[INFO] fetching crate slog-html 0.1.3...
[INFO] fixing slog-html-0.1.3 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] extracting crate slog-html 0.1.3 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate slog-html 0.1.3
[INFO] finished tweaking crates.io crate slog-html 0.1.3
[INFO] tweaked toml for crates.io crate slog-html 0.1.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slog-html 0.1.3 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] [stderr]       Adding chrono v0.2.25 (available: v0.4.45)
[INFO] [stderr]       Adding slog v1.7.1 (available: v2.8.2)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `slog-html` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ea158d78c6603eafe87dcc6a4ea79dfe03fd6bea40ad42b47de0607d4ed53d6b
[INFO] running `Command { std: "docker" "start" "ea158d78c6603eafe87dcc6a4ea79dfe03fd6bea40ad42b47de0607d4ed53d6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ea158d78c6603eafe87dcc6a4ea79dfe03fd6bea40ad42b47de0607d4ed53d6b" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea158d78c6603eafe87dcc6a4ea79dfe03fd6bea40ad42b47de0607d4ed53d6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ea158d78c6603eafe87dcc6a4ea79dfe03fd6bea40ad42b47de0607d4ed53d6b" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=end=2015,2024", kill_on_drop: false }`
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2015 edition to 2018
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `slog-html` (manifest) generated 1 warning
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking slog v1.7.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking slog-extra v0.1.2
[INFO] [stderr]     Checking slog-stream v1.2.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num v0.1.43
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking slog-html v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2015 edition to 2018
[INFO] [stderr]        Fixed src/serializer.rs (4 fixes)
[INFO] [stderr]        Fixed src/decorator.rs (20 fixes)
[INFO] [stderr]        Fixed src/lib.rs (29 fixes)
[INFO] [stderr]    Migrating examples/compact-format.rs from 2015 edition to 2018
[INFO] [stderr]    Migrating examples/colors.rs from 2015 edition to 2018
[INFO] [stderr]    Migrating examples/full-format.rs from 2015 edition to 2018
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.10s
[INFO] [stderr] crater-edition-check: slog-html v0.1.3 (/opt/rustwide/workdir) updating edition from 2015 to 2018
[INFO] [stderr]     Checking slog-html v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:84:1
[INFO] [stdout]    |
[INFO] [stdout] 84 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         r#try!(write!(io, "<span style=\""));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         r#try!(write!(io, "\">"));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         r#try!(f(io));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         r#try!(write!(io, "</span>"));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             r#try!(write!(io, "color:#{};", color));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |             r#try!(write!(io, "font-weight:bold;"));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             r#try!(write!(io, "font-style:italic;"));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |             r#try!(write!(io, "{}", custom));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         r#try!(f(io));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         r#try!(write!(io, "<span style=\""));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         r#try!(write!(io, "\">"));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         r#try!(f(io));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         r#try!(write!(io, "</span>"));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |             r#try!(write!(io, "color:#{};", color));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |             r#try!(write!(io, "color:#{};", self.level_color));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |             r#try!(write!(io, "font-weight:bold;"));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             r#try!(write!(io, "font-style:italic;"));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |             r#try!(write!(io, "{}", custom));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         r#try!(self.decorator.fmt_separator(&mut self.io, &|io: &mut io::Write| write!(io, ", ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         s!(self, key, "None");
[INFO] [stdout]    |         --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         s!(self, key, "None");
[INFO] [stdout]    |         --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         s!(self, key, "None");
[INFO] [stdout]    |         --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |         s!(self, key, "()");
[INFO] [stdout]    |         ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |         s!(self, key, "()");
[INFO] [stdout]    |         ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |         s!(self, key, "()");
[INFO] [stdout]    |         ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:84:1
[INFO] [stdout]    |
[INFO] [stdout] 84 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         r#try!(write!(io, "<span style=\""));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         r#try!(write!(io, "\">"));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         r#try!(f(io));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         r#try!(write!(io, "</span>"));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             r#try!(write!(io, "color:#{};", color));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |             r#try!(write!(io, "font-weight:bold;"));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             r#try!(write!(io, "font-style:italic;"));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |             r#try!(write!(io, "{}", custom));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         r#try!(f(io));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         r#try!(write!(io, "<span style=\""));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         r#try!(write!(io, "\">"));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         r#try!(f(io));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         r#try!(write!(io, "</span>"));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |             r#try!(write!(io, "color:#{};", color));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |             r#try!(write!(io, "color:#{};", self.level_color));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |             r#try!(write!(io, "font-weight:bold;"));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             r#try!(write!(io, "font-style:italic;"));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |             r#try!(write!(io, "{}", custom));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         r#try!(self.decorator.fmt_separator(&mut self.io, &|io: &mut io::Write| write!(io, ", ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         s!(self, key, "None");
[INFO] [stdout]    |         --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         s!(self, key, "None");
[INFO] [stdout]    |         --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         s!(self, key, "None");
[INFO] [stdout]    |         --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |         s!(self, key, "()");
[INFO] [stdout]    |         ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |         s!(self, key, "()");
[INFO] [stdout]    |         ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |         s!(self, key, "()");
[INFO] [stdout]    |         ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:31:9
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:32:9
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:33:9
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:31:9
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:32:9
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:33:9
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:31:9
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:32:9
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:33:9
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:31:9
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:32:9
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:33:9
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:31:9
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:32:9
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:33:9
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         r#try!(io.write_all(b"<pre style=\"margin-bottom:-0.5em\">"));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         r#try!(r_decorator.fmt_timestamp(io, &*self.fn_timestamp));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |         r#try!(r_decorator.fmt_level(io, &|io| write!(io, " {} ", record.level().as_short_str())));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |         r#try!(r_decorator.fmt_msg(io, &|io| write!(io, "{}", record.msg())));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |             r#try!(serializer.print_comma());
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |             r#try!(v.serialize(record, k, &mut serializer));
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:156:13
[INFO] [stdout]     |
[INFO] [stdout] 156 |             r#try!(serializer.print_comma());
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |             r#try!(v.serialize(record, k, &mut serializer));
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |         r#try!(io.write_all(b"<pre style=\"margin-bottom:-0.5em\">"));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 |         r#try!(self.print_indent(io, indent));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |         r#try!(r_decorator.fmt_timestamp(io, &*self.fn_timestamp));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:199:9
[INFO] [stdout]     |
[INFO] [stdout] 199 |         r#try!(r_decorator.fmt_level(io, &|io| write!(io, " {} ", record.level().as_short_str())));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |         r#try!(r_decorator.fmt_msg(io, &|io| write!(io, "{}", record.msg())));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:172:38
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let mut record_value_stack = r#try!(self.record_value_stack(record, logger_values));
[INFO] [stdout]     |                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:183:17
[INFO] [stdout]     |
[INFO] [stdout] 183 |                 r#try!(io.write_all(b"<pre style=\"margin-bottom:-0.5em\">"));
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:184:17
[INFO] [stdout]     |
[INFO] [stdout] 184 |                 r#try!(self.print_indent(io, i));
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 r#try!(io.write_all(&record_value_stack[i]));
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:186:17
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 r#try!(io.write_all(b"</pre>\n"));
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:205:13
[INFO] [stdout]     |
[INFO] [stdout] 205 |             r#try!(serializer.print_comma());
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |             r#try!(v.serialize(record, k, &mut serializer));
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:232:17
[INFO] [stdout]     |
[INFO] [stdout] 232 |                 r#try!(v.serialize(record, k, &mut serializer));
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:230:21
[INFO] [stdout]     |
[INFO] [stdout] 230 |                     r#try!(serializer.print_comma());
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:247:29
[INFO] [stdout]     |
[INFO] [stdout] 247 |             let mut value = r#try!(self.record_value_stack(record, parent));
[INFO] [stdout]     |                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:256:13
[INFO] [stdout]     |
[INFO] [stdout] 256 |             r#try!(write!(io, "  "));
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:276:24
[INFO] [stdout]     |
[INFO] [stdout] 276 | pub type TimestampFn = Fn(&mut io::Write) -> io::Result<()> + Send + Sync;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 276 | pub type TimestampFn = dyn Fn(&mut io::Write) -> io::Result<()> + Send + Sync;
[INFO] [stdout]     |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:31:9
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:276:32
[INFO] [stdout]     |
[INFO] [stdout] 276 | pub type TimestampFn = Fn(&mut io::Write) -> io::Result<()> + Send + Sync;
[INFO] [stdout]     |                                ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 276 | pub type TimestampFn = Fn(&mut dyn io::Write) -> io::Result<()> + Send + Sync;
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:32:9
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:33:9
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:31:9
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:32:9
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:33:9
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:31:9
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:32:9
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:33:9
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:31:9
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/decorator.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn fmt(io: &mut io::Write,
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn fmt(io: &mut dyn io::Write,
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:32:9
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:33:9
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/decorator.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |        f: &Fn(&mut io::Write) -> io::Result<()>,
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 42 |        f: &dyn Fn(&mut io::Write) -> io::Result<()>,
[INFO] [stdout]    |            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:31:9
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/decorator.rs:42:20
[INFO] [stdout]    |
[INFO] [stdout] 42 |        f: &Fn(&mut io::Write) -> io::Result<()>,
[INFO] [stdout]    |                    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 42 |        f: &Fn(&mut dyn io::Write) -> io::Result<()>,
[INFO] [stdout]    |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/decorator.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |                  io: &mut io::Write,
[INFO] [stdout]    |                           ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 70 |                  io: &mut dyn io::Write,
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:32:9
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/decorator.rs:71:22
[INFO] [stdout]    |
[INFO] [stdout] 71 |                  f: &Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 71 |                  f: &dyn Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:33:9
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/decorator.rs:71:30
[INFO] [stdout]    |
[INFO] [stdout] 71 |                  f: &Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]    |                              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 71 |                  f: &Fn(&mut dyn io::Write) -> io::Result<()>)
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         r#try!(io.write_all(b"<pre style=\"margin-bottom:-0.5em\">"));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         r#try!(r_decorator.fmt_timestamp(io, &*self.fn_timestamp));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/decorator.rs:95:25
[INFO] [stdout]    |
[INFO] [stdout] 95 |                io: &mut io::Write,
[INFO] [stdout]    |                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 95 |                io: &mut dyn io::Write,
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |         r#try!(r_decorator.fmt_level(io, &|io| write!(io, " {} ", record.level().as_short_str())));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |         r#try!(r_decorator.fmt_msg(io, &|io| write!(io, "{}", record.msg())));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/decorator.rs:96:20
[INFO] [stdout]    |
[INFO] [stdout] 96 |                f: &Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 96 |                f: &dyn Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]    |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |             r#try!(serializer.print_comma());
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/decorator.rs:96:28
[INFO] [stdout]    |
[INFO] [stdout] 96 |                f: &Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]    |                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 96 |                f: &Fn(&mut dyn io::Write) -> io::Result<()>)
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |             r#try!(v.serialize(record, k, &mut serializer));
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:156:13
[INFO] [stdout]     |
[INFO] [stdout] 156 |             r#try!(serializer.print_comma());
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/decorator.rs:102:25
[INFO] [stdout]     |
[INFO] [stdout] 102 |                io: &mut io::Write,
[INFO] [stdout]     |                         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 102 |                io: &mut dyn io::Write,
[INFO] [stdout]     |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |             r#try!(v.serialize(record, k, &mut serializer));
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |         r#try!(io.write_all(b"<pre style=\"margin-bottom:-0.5em\">"));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/decorator.rs:103:20
[INFO] [stdout]     |
[INFO] [stdout] 103 |                f: &Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 103 |                f: &dyn Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]     |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 |         r#try!(self.print_indent(io, indent));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |         r#try!(r_decorator.fmt_timestamp(io, &*self.fn_timestamp));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:199:9
[INFO] [stdout]     |
[INFO] [stdout] 199 |         r#try!(r_decorator.fmt_level(io, &|io| write!(io, " {} ", record.level().as_short_str())));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |         r#try!(r_decorator.fmt_msg(io, &|io| write!(io, "{}", record.msg())));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:172:38
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let mut record_value_stack = r#try!(self.record_value_stack(record, logger_values));
[INFO] [stdout]     |                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:183:17
[INFO] [stdout]     |
[INFO] [stdout] 183 |                 r#try!(io.write_all(b"<pre style=\"margin-bottom:-0.5em\">"));
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:184:17
[INFO] [stdout]     |
[INFO] [stdout] 184 |                 r#try!(self.print_indent(io, i));
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 r#try!(io.write_all(&record_value_stack[i]));
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:186:17
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 r#try!(io.write_all(b"</pre>\n"));
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:205:13
[INFO] [stdout]     |
[INFO] [stdout] 205 |             r#try!(serializer.print_comma());
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |             r#try!(v.serialize(record, k, &mut serializer));
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:232:17
[INFO] [stdout]     |
[INFO] [stdout] 232 |                 r#try!(v.serialize(record, k, &mut serializer));
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:230:21
[INFO] [stdout]     |
[INFO] [stdout] 230 |                     r#try!(serializer.print_comma());
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:247:29
[INFO] [stdout]     |
[INFO] [stdout] 247 |             let mut value = r#try!(self.record_value_stack(record, parent));
[INFO] [stdout]     |                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:256:13
[INFO] [stdout]     |
[INFO] [stdout] 256 |             r#try!(write!(io, "  "));
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/decorator.rs:103:28
[INFO] [stdout]     |
[INFO] [stdout] 103 |                f: &Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]     |                            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 103 |                f: &Fn(&mut dyn io::Write) -> io::Result<()>)
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/decorator.rs:109:25
[INFO] [stdout]     |
[INFO] [stdout] 109 |                io: &mut io::Write,
[INFO] [stdout]     |                         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 109 |                io: &mut dyn io::Write,
[INFO] [stdout]     |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/decorator.rs:110:20
[INFO] [stdout]     |
[INFO] [stdout] 110 |                f: &Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 110 |                f: &dyn Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]     |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/decorator.rs:110:28
[INFO] [stdout]     |
[INFO] [stdout] 110 |                f: &Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]     |                            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 110 |                f: &Fn(&mut dyn io::Write) -> io::Result<()>)
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/decorator.rs:116:25
[INFO] [stdout]     |
[INFO] [stdout] 116 |                io: &mut io::Write,
[INFO] [stdout]     |                         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 116 |                io: &mut dyn io::Write,
[INFO] [stdout]     |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/decorator.rs:117:20
[INFO] [stdout]     |
[INFO] [stdout] 117 |                f: &Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 117 |                f: &dyn Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]     |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/decorator.rs:117:28
[INFO] [stdout]     |
[INFO] [stdout] 117 |                f: &Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]     |                            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 117 |                f: &Fn(&mut dyn io::Write) -> io::Result<()>)
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/decorator.rs:123:25
[INFO] [stdout]     |
[INFO] [stdout] 123 |                io: &mut io::Write,
[INFO] [stdout]     |                         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 123 |                io: &mut dyn io::Write,
[INFO] [stdout]     |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/decorator.rs:124:20
[INFO] [stdout]     |
[INFO] [stdout] 124 |                f: &Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 124 |                f: &dyn Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]     |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/decorator.rs:124:28
[INFO] [stdout]     |
[INFO] [stdout] 124 |                f: &Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]     |                            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 124 |                f: &Fn(&mut dyn io::Write) -> io::Result<()>)
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:135:29
[INFO] [stdout]     |
[INFO] [stdout] 135 |                    io: &mut io::Write,
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 135 |                    io: &mut dyn io::Write,
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:166:32
[INFO] [stdout]     |
[INFO] [stdout] 166 |                       io: &mut io::Write,
[INFO] [stdout]     |                                ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 166 |                       io: &mut dyn io::Write,
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:254:37
[INFO] [stdout]     |
[INFO] [stdout] 254 |     fn print_indent(&self, io: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stdout]     |                                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 254 |     fn print_indent(&self, io: &mut dyn io::Write, indent: usize) -> io::Result<()> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:264:24
[INFO] [stdout]     |
[INFO] [stdout] 264 |               io: &mut io::Write,
[INFO] [stdout]     |                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 264 |               io: &mut dyn io::Write,
[INFO] [stdout]     |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:276:24
[INFO] [stdout]     |
[INFO] [stdout] 276 | pub type TimestampFn = Fn(&mut io::Write) -> io::Result<()> + Send + Sync;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 276 | pub type TimestampFn = dyn Fn(&mut io::Write) -> io::Result<()> + Send + Sync;
[INFO] [stdout]     |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:276:32
[INFO] [stdout]     |
[INFO] [stdout] 276 | pub type TimestampFn = Fn(&mut io::Write) -> io::Result<()> + Send + Sync;
[INFO] [stdout]     |                                ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 276 | pub type TimestampFn = Fn(&mut dyn io::Write) -> io::Result<()> + Send + Sync;
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/decorator.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn fmt(io: &mut io::Write,
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn fmt(io: &mut dyn io::Write,
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/decorator.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |        f: &Fn(&mut io::Write) -> io::Result<()>,
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 42 |        f: &dyn Fn(&mut io::Write) -> io::Result<()>,
[INFO] [stdout]    |            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/decorator.rs:42:20
[INFO] [stdout]    |
[INFO] [stdout] 42 |        f: &Fn(&mut io::Write) -> io::Result<()>,
[INFO] [stdout]    |                    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 42 |        f: &Fn(&mut dyn io::Write) -> io::Result<()>,
[INFO] [stdout]    |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/decorator.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |                  io: &mut io::Write,
[INFO] [stdout]    |                           ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 70 |                  io: &mut dyn io::Write,
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/decorator.rs:71:22
[INFO] [stdout]    |
[INFO] [stdout] 71 |                  f: &Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 71 |                  f: &dyn Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/decorator.rs:71:30
[INFO] [stdout]    |
[INFO] [stdout] 71 |                  f: &Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]    |                              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 71 |                  f: &Fn(&mut dyn io::Write) -> io::Result<()>)
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/decorator.rs:95:25
[INFO] [stdout]    |
[INFO] [stdout] 95 |                io: &mut io::Write,
[INFO] [stdout]    |                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 95 |                io: &mut dyn io::Write,
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/decorator.rs:96:20
[INFO] [stdout]    |
[INFO] [stdout] 96 |                f: &Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 96 |                f: &dyn Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]    |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/decorator.rs:96:28
[INFO] [stdout]    |
[INFO] [stdout] 96 |                f: &Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]    |                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 96 |                f: &Fn(&mut dyn io::Write) -> io::Result<()>)
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/decorator.rs:102:25
[INFO] [stdout]     |
[INFO] [stdout] 102 |                io: &mut io::Write,
[INFO] [stdout]     |                         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 102 |                io: &mut dyn io::Write,
[INFO] [stdout]     |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/decorator.rs:103:20
[INFO] [stdout]     |
[INFO] [stdout] 103 |                f: &Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 103 |                f: &dyn Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]     |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/decorator.rs:103:28
[INFO] [stdout]     |
[INFO] [stdout] 103 |                f: &Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]     |                            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 103 |                f: &Fn(&mut dyn io::Write) -> io::Result<()>)
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/decorator.rs:109:25
[INFO] [stdout]     |
[INFO] [stdout] 109 |                io: &mut io::Write,
[INFO] [stdout]     |                         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 109 |                io: &mut dyn io::Write,
[INFO] [stdout]     |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/decorator.rs:110:20
[INFO] [stdout]     |
[INFO] [stdout] 110 |                f: &Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 110 |                f: &dyn Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]     |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/decorator.rs:110:28
[INFO] [stdout]     |
[INFO] [stdout] 110 |                f: &Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]     |                            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 110 |                f: &Fn(&mut dyn io::Write) -> io::Result<()>)
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/decorator.rs:116:25
[INFO] [stdout]     |
[INFO] [stdout] 116 |                io: &mut io::Write,
[INFO] [stdout]     |                         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 116 |                io: &mut dyn io::Write,
[INFO] [stdout]     |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/decorator.rs:117:20
[INFO] [stdout]     |
[INFO] [stdout] 117 |                f: &Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 117 |                f: &dyn Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]     |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/decorator.rs:117:28
[INFO] [stdout]     |
[INFO] [stdout] 117 |                f: &Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]     |                            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 117 |                f: &Fn(&mut dyn io::Write) -> io::Result<()>)
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/decorator.rs:123:25
[INFO] [stdout]     |
[INFO] [stdout] 123 |                io: &mut io::Write,
[INFO] [stdout]     |                         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 123 |                io: &mut dyn io::Write,
[INFO] [stdout]     |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/decorator.rs:124:20
[INFO] [stdout]     |
[INFO] [stdout] 124 |                f: &Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 124 |                f: &dyn Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]     |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/decorator.rs:124:28
[INFO] [stdout]     |
[INFO] [stdout] 124 |                f: &Fn(&mut io::Write) -> io::Result<()>)
[INFO] [stdout]     |                            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 124 |                f: &Fn(&mut dyn io::Write) -> io::Result<()>)
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:283:33
[INFO] [stdout]     |
[INFO] [stdout] 283 | pub fn timestamp_local(io: &mut io::Write) -> io::Result<()> {
[INFO] [stdout]     |                                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 283 | pub fn timestamp_local(io: &mut dyn io::Write) -> io::Result<()> {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:135:29
[INFO] [stdout]     |
[INFO] [stdout] 135 |                    io: &mut io::Write,
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 135 |                    io: &mut dyn io::Write,
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:290:31
[INFO] [stdout]     |
[INFO] [stdout] 290 | pub fn timestamp_utc(io: &mut io::Write) -> io::Result<()> {
[INFO] [stdout]     |                               ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 290 | pub fn timestamp_utc(io: &mut dyn io::Write) -> io::Result<()> {
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:166:32
[INFO] [stdout]     |
[INFO] [stdout] 166 |                       io: &mut io::Write,
[INFO] [stdout]     |                                ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 166 |                       io: &mut dyn io::Write,
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:254:37
[INFO] [stdout]     |
[INFO] [stdout] 254 |     fn print_indent(&self, io: &mut io::Write, indent: usize) -> io::Result<()> {
[INFO] [stdout]     |                                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 254 |     fn print_indent(&self, io: &mut dyn io::Write, indent: usize) -> io::Result<()> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:264:24
[INFO] [stdout]     |
[INFO] [stdout] 264 |               io: &mut io::Write,
[INFO] [stdout]     |                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 264 |               io: &mut dyn io::Write,
[INFO] [stdout]     |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:381:26
[INFO] [stdout]     |
[INFO] [stdout] 381 |         where F: Fn(&mut io::Write) -> io::Result<()> + 'static + Send + Sync
[INFO] [stdout]     |                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 381 |         where F: Fn(&mut dyn io::Write) -> io::Result<()> + 'static + Send + Sync
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:20:70
[INFO] [stdout]    |
[INFO] [stdout] 20 |         r#try!(self.decorator.fmt_separator(&mut self.io, &|io: &mut io::Write| write!(io, ", ")));
[INFO] [stdout]    |                                                                      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |         r#try!(self.decorator.fmt_separator(&mut self.io, &|io: &mut dyn io::Write| write!(io, ", ")));
[INFO] [stdout]    |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         s!(self, key, "None");
[INFO] [stdout]    |         --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         s!(self, key, "None");
[INFO] [stdout]    |         --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         s!(self, key, "None");
[INFO] [stdout]    |         --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |         s!(self, key, "()");
[INFO] [stdout]    |         ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |         s!(self, key, "()");
[INFO] [stdout]    |         ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |         s!(self, key, "()");
[INFO] [stdout]    |         ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:283:33
[INFO] [stdout]     |
[INFO] [stdout] 283 | pub fn timestamp_local(io: &mut io::Write) -> io::Result<()> {
[INFO] [stdout]     |                                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 283 | pub fn timestamp_local(io: &mut dyn io::Write) -> io::Result<()> {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:290:31
[INFO] [stdout]     |
[INFO] [stdout] 290 | pub fn timestamp_utc(io: &mut io::Write) -> io::Result<()> {
[INFO] [stdout]     |                               ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 290 | pub fn timestamp_utc(io: &mut dyn io::Write) -> io::Result<()> {
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:381:26
[INFO] [stdout]     |
[INFO] [stdout] 381 |         where F: Fn(&mut io::Write) -> io::Result<()> + 'static + Send + Sync
[INFO] [stdout]     |                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 381 |         where F: Fn(&mut dyn io::Write) -> io::Result<()> + 'static + Send + Sync
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:20:70
[INFO] [stdout]    |
[INFO] [stdout] 20 |         r#try!(self.decorator.fmt_separator(&mut self.io, &|io: &mut io::Write| write!(io, ", ")));
[INFO] [stdout]    |                                                                      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |         r#try!(self.decorator.fmt_separator(&mut self.io, &|io: &mut dyn io::Write| write!(io, ", ")));
[INFO] [stdout]    |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         s!(self, key, "None");
[INFO] [stdout]    |         --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         s!(self, key, "None");
[INFO] [stdout]    |         --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         s!(self, key, "None");
[INFO] [stdout]    |         --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |         s!(self, key, "()");
[INFO] [stdout]    |         ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |         s!(self, key, "()");
[INFO] [stdout]    |         ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |         s!(self, key, "()");
[INFO] [stdout]    |         ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:31:60
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:32:66
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:33:62
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:31:60
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:32:66
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:33:62
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:31:60
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:32:66
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:33:62
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:31:60
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:32:66
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:33:62
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:31:60
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:32:66
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:33:62
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:31:60
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:32:66
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:33:62
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:31:60
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:32:66
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:33:62
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:31:60
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:32:66
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:33:62
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:31:60
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:32:66
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:33:62
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:31:60
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:32:66
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:33:62
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `slog::OwnedKeyValueList::parent`: &Option<...> is a stupid type to return. Use `get_parent` for now.
[INFO] [stdout]    --> src/lib.rs:246:54
[INFO] [stdout]     |
[INFO] [stdout] 246 |         if let Some(ref parent) = *logger_values_ref.parent() {
[INFO] [stdout]     |                                                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `slog::OwnedKeyValueList::parent`: &Option<...> is a stupid type to return. Use `get_parent` for now.
[INFO] [stdout]    --> src/lib.rs:246:54
[INFO] [stdout]     |
[INFO] [stdout] 246 |         if let Some(ref parent) = *logger_values_ref.parent() {
[INFO] [stdout]     |                                                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:160:14
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let (mut io, _) = serializer.finish();
[INFO] [stdout]     |              ----^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:160:14
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let (mut io, _) = serializer.finish();
[INFO] [stdout]     |              ----^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:209:14
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let (mut io, _) = serializer.finish();
[INFO] [stdout]     |              ----^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:209:14
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let (mut io, _) = serializer.finish();
[INFO] [stdout]     |              ----^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.52s
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2015 edition to 2018
[INFO] [stderr]     Checking slog-html v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/decorator.rs (21 fixes)
[INFO] [stderr]        Fixed src/lib.rs (9 fixes)
[INFO] [stderr]        Fixed src/serializer.rs (1 fix)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         s!(self, key, "None");
[INFO] [stdout]    |         --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `--force-warn bare-trait-objects` implied by `--force-warn rust-2021-compatibility`
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         s!(self, key, "None");
[INFO] [stdout]    |         --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         s!(self, key, "None");
[INFO] [stdout]    |         --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |         s!(self, key, "()");
[INFO] [stdout]    |         ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |         s!(self, key, "()");
[INFO] [stdout]    |         ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |         s!(self, key, "()");
[INFO] [stdout]    |         ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:31:60
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:32:66
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:33:62
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:31:60
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:32:66
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:33:62
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:31:60
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:32:66
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:33:62
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:31:60
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:32:66
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:33:62
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:31:60
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:32:66
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:33:62
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         s!(self, key, "None");
[INFO] [stdout]    |         --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `--force-warn bare-trait-objects` implied by `--force-warn rust-2021-compatibility`
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating examples/full-format.rs from 2018 edition to 2021
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         s!(self, key, "None");
[INFO] [stdout]    |         --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         s!(self, key, "None");
[INFO] [stdout]    |         --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |         s!(self, key, "()");
[INFO] [stdout]    |         ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |         s!(self, key, "()");
[INFO] [stdout]    |         ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |         s!(self, key, "()");
[INFO] [stdout]    |         ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:31:60
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:32:66
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:33:62
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:31:60
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:32:66
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:33:62
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:31:60
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:32:66
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:33:62
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:31:60
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:32:66
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:33:62
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:31:60
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:32:66
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serializer.rs:33:62
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating examples/compact-format.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/colors.rs from 2018 edition to 2021
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.47s
[INFO] [stderr] crater-edition-check: slog-html v0.1.3 (/opt/rustwide/workdir) updating edition from 2018 to 2021
[INFO] [stderr]     Checking slog-html v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:84:1
[INFO] [stdout]    |
[INFO] [stdout] 84 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         r#try!(write!(io, "<span style=\""));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         r#try!(write!(io, "\">"));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         r#try!(f(io));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         r#try!(write!(io, "</span>"));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             r#try!(write!(io, "color:#{};", color));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |             r#try!(write!(io, "font-weight:bold;"));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             r#try!(write!(io, "font-style:italic;"));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |             r#try!(write!(io, "{}", custom));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         r#try!(f(io));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         r#try!(write!(io, "<span style=\""));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         r#try!(write!(io, "\">"));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         r#try!(f(io));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         r#try!(write!(io, "</span>"));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |             r#try!(write!(io, "color:#{};", color));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |             r#try!(write!(io, "color:#{};", self.level_color));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |             r#try!(write!(io, "font-weight:bold;"));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             r#try!(write!(io, "font-style:italic;"));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |             r#try!(write!(io, "{}", custom));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         r#try!(self.decorator.fmt_separator(&mut self.io, &|io: &mut dyn io::Write| write!(io, ", ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         s!(self, key, "None");
[INFO] [stdout]    |         --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         s!(self, key, "None");
[INFO] [stdout]    |         --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         s!(self, key, "None");
[INFO] [stdout]    |         --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |         s!(self, key, "()");
[INFO] [stdout]    |         ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |         s!(self, key, "()");
[INFO] [stdout]    |         ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |         s!(self, key, "()");
[INFO] [stdout]    |         ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:31:9
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:32:9
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:33:9
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:31:9
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:32:9
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:33:9
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:31:9
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:32:9
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:33:9
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:31:9
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:32:9
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:84:1
[INFO] [stdout]    |
[INFO] [stdout] 84 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         r#try!(write!(io, "<span style=\""));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         r#try!(write!(io, "\">"));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         r#try!(f(io));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         r#try!(write!(io, "</span>"));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             r#try!(write!(io, "color:#{};", color));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |             r#try!(write!(io, "font-weight:bold;"));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             r#try!(write!(io, "font-style:italic;"));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |             r#try!(write!(io, "{}", custom));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:33:9
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:31:9
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:32:9
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         r#try!(f(io));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         r#try!(write!(io, "<span style=\""));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         r#try!(write!(io, "\">"));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         r#try!(f(io));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         r#try!(write!(io, "</span>"));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |             r#try!(write!(io, "color:#{};", color));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |             r#try!(write!(io, "color:#{};", self.level_color));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |             r#try!(write!(io, "font-weight:bold;"));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             r#try!(write!(io, "font-style:italic;"));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/decorator.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |             r#try!(write!(io, "{}", custom));
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         r#try!(self.decorator.fmt_separator(&mut self.io, &|io: &mut dyn io::Write| write!(io, ", ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         s!(self, key, "None");
[INFO] [stdout]    |         --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         s!(self, key, "None");
[INFO] [stdout]    |         --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         s!(self, key, "None");
[INFO] [stdout]    |         --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |         s!(self, key, "()");
[INFO] [stdout]    |         ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |         s!(self, key, "()");
[INFO] [stdout]    |         ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |         s!(self, key, "()");
[INFO] [stdout]    |         ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:33:9
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         r#try!(io.write_all(b"<pre style=\"margin-bottom:-0.5em\">"));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         r#try!(r_decorator.fmt_timestamp(io, &*self.fn_timestamp));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |         r#try!(r_decorator.fmt_level(io, &|io| write!(io, " {} ", record.level().as_short_str())));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |         r#try!(r_decorator.fmt_msg(io, &|io| write!(io, "{}", record.msg())));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |             r#try!(serializer.print_comma());
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |             r#try!(v.serialize(record, k, &mut serializer));
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:156:13
[INFO] [stdout]     |
[INFO] [stdout] 156 |             r#try!(serializer.print_comma());
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |             r#try!(v.serialize(record, k, &mut serializer));
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |         r#try!(io.write_all(b"<pre style=\"margin-bottom:-0.5em\">"));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 |         r#try!(self.print_indent(io, indent));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |         r#try!(r_decorator.fmt_timestamp(io, &*self.fn_timestamp));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:199:9
[INFO] [stdout]     |
[INFO] [stdout] 199 |         r#try!(r_decorator.fmt_level(io, &|io| write!(io, " {} ", record.level().as_short_str())));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |         r#try!(r_decorator.fmt_msg(io, &|io| write!(io, "{}", record.msg())));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:172:38
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let mut record_value_stack = r#try!(self.record_value_stack(record, logger_values));
[INFO] [stdout]     |                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:183:17
[INFO] [stdout]     |
[INFO] [stdout] 183 |                 r#try!(io.write_all(b"<pre style=\"margin-bottom:-0.5em\">"));
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:184:17
[INFO] [stdout]     |
[INFO] [stdout] 184 |                 r#try!(self.print_indent(io, i));
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 r#try!(io.write_all(&record_value_stack[i]));
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:186:17
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 r#try!(io.write_all(b"</pre>\n"));
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:205:13
[INFO] [stdout]     |
[INFO] [stdout] 205 |             r#try!(serializer.print_comma());
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |             r#try!(v.serialize(record, k, &mut serializer));
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:232:17
[INFO] [stdout]     |
[INFO] [stdout] 232 |                 r#try!(v.serialize(record, k, &mut serializer));
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:230:21
[INFO] [stdout]     |
[INFO] [stdout] 230 |                     r#try!(serializer.print_comma());
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:247:29
[INFO] [stdout]     |
[INFO] [stdout] 247 |             let mut value = r#try!(self.record_value_stack(record, parent));
[INFO] [stdout]     |                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:256:13
[INFO] [stdout]     |
[INFO] [stdout] 256 |             r#try!(write!(io, "  "));
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/serializer.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:31:9
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:32:9
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:33:9
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:31:9
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:32:9
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:33:9
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:31:9
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:32:9
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:33:9
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:31:9
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:32:9
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:33:9
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:31:9
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:32:9
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:33:9
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         r#try!(io.write_all(b"<pre style=\"margin-bottom:-0.5em\">"));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         r#try!(r_decorator.fmt_timestamp(io, &*self.fn_timestamp));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |         r#try!(r_decorator.fmt_level(io, &|io| write!(io, " {} ", record.level().as_short_str())));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |         r#try!(r_decorator.fmt_msg(io, &|io| write!(io, "{}", record.msg())));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |             r#try!(serializer.print_comma());
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |             r#try!(v.serialize(record, k, &mut serializer));
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:156:13
[INFO] [stdout]     |
[INFO] [stdout] 156 |             r#try!(serializer.print_comma());
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |             r#try!(v.serialize(record, k, &mut serializer));
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |         r#try!(io.write_all(b"<pre style=\"margin-bottom:-0.5em\">"));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 |         r#try!(self.print_indent(io, indent));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |         r#try!(r_decorator.fmt_timestamp(io, &*self.fn_timestamp));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:199:9
[INFO] [stdout]     |
[INFO] [stdout] 199 |         r#try!(r_decorator.fmt_level(io, &|io| write!(io, " {} ", record.level().as_short_str())));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |         r#try!(r_decorator.fmt_msg(io, &|io| write!(io, "{}", record.msg())));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:172:38
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let mut record_value_stack = r#try!(self.record_value_stack(record, logger_values));
[INFO] [stdout]     |                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:183:17
[INFO] [stdout]     |
[INFO] [stdout] 183 |                 r#try!(io.write_all(b"<pre style=\"margin-bottom:-0.5em\">"));
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:184:17
[INFO] [stdout]     |
[INFO] [stdout] 184 |                 r#try!(self.print_indent(io, i));
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 r#try!(io.write_all(&record_value_stack[i]));
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:186:17
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 r#try!(io.write_all(b"</pre>\n"));
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:205:13
[INFO] [stdout]     |
[INFO] [stdout] 205 |             r#try!(serializer.print_comma());
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |             r#try!(v.serialize(record, k, &mut serializer));
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:232:17
[INFO] [stdout]     |
[INFO] [stdout] 232 |                 r#try!(v.serialize(record, k, &mut serializer));
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:230:21
[INFO] [stdout]     |
[INFO] [stdout] 230 |                     r#try!(serializer.print_comma());
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:247:29
[INFO] [stdout]     |
[INFO] [stdout] 247 |             let mut value = r#try!(self.record_value_stack(record, parent));
[INFO] [stdout]     |                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:256:13
[INFO] [stdout]     |
[INFO] [stdout] 256 |             r#try!(write!(io, "  "));
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         s!(self, key, "None");
[INFO] [stdout]    |         --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         s!(self, key, "None");
[INFO] [stdout]    |         --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         s!(self, key, "None");
[INFO] [stdout]    |         --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         s!(self, key, "None");
[INFO] [stdout]    |         --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         s!(self, key, "None");
[INFO] [stdout]    |         --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |         s!(self, key, "()");
[INFO] [stdout]    |         ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |         s!(self, key, "()");
[INFO] [stdout]    |         ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |         s!(self, key, "()");
[INFO] [stdout]    |         ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         s!(self, key, "None");
[INFO] [stdout]    |         --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |         s!(self, key, "()");
[INFO] [stdout]    |         ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |         s!(self, key, "()");
[INFO] [stdout]    |         ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |         s!(self, key, "()");
[INFO] [stdout]    |         ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/serializer.rs:31:60
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/serializer.rs:32:66
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/serializer.rs:33:62
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/serializer.rs:31:60
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/serializer.rs:32:66
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/serializer.rs:33:62
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/serializer.rs:31:60
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/serializer.rs:32:66
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/serializer.rs:33:62
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/serializer.rs:31:60
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/serializer.rs:32:66
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/serializer.rs:33:62
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/serializer.rs:31:60
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/serializer.rs:32:66
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/serializer.rs:33:62
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]    |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/serializer.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         s!(self, key, val);
[INFO] [stdout]    |         ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/serializer.rs:31:60
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/serializer.rs:32:66
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/serializer.rs:33:62
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/serializer.rs:31:60
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/serializer.rs:32:66
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/serializer.rs:33:62
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/serializer.rs:31:60
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `slog::OwnedKeyValueList::parent`: &Option<...> is a stupid type to return. Use `get_parent` for now.
[INFO] [stdout]    --> src/lib.rs:246:54
[INFO] [stdout]     |
[INFO] [stdout] 246 |         if let Some(ref parent) = *logger_values_ref.parent() {
[INFO] [stdout]     |                                                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/serializer.rs:32:66
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/serializer.rs:33:62
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/serializer.rs:31:60
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/serializer.rs:32:66
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/serializer.rs:33:62
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/serializer.rs:31:60
[INFO] [stdout]     |
[INFO] [stdout]  31 |         r#try!($s.decorator.fmt_key(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $k)));
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/serializer.rs:32:66
[INFO] [stdout]     |
[INFO] [stdout]  32 |         r#try!($s.decorator.fmt_separator(&mut $s.io, &|io: &mut io::Write| write!(io, ": ")));
[INFO] [stdout]     |                                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/serializer.rs:33:62
[INFO] [stdout]     |
[INFO] [stdout]  33 |         r#try!($s.decorator.fmt_value(&mut $s.io, &|io: &mut io::Write| write!(io, "{}", $v)));
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         s!(self, key, val);
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:160:14
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let (mut io, _) = serializer.finish();
[INFO] [stdout]     |              ----^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:209:14
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let (mut io, _) = serializer.finish();
[INFO] [stdout]     |              ----^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0782`.
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `slog::OwnedKeyValueList::parent`: &Option<...> is a stupid type to return. Use `get_parent` for now.
[INFO] [stdout]    --> src/lib.rs:246:54
[INFO] [stdout]     |
[INFO] [stdout] 246 |         if let Some(ref parent) = *logger_values_ref.parent() {
[INFO] [stdout]     |                                                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slog-html` (lib test) due to 54 previous errors; 101 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:160:14
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let (mut io, _) = serializer.finish();
[INFO] [stdout]     |              ----^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:209:14
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let (mut io, _) = serializer.finish();
[INFO] [stdout]     |              ----^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0782`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slog-html` (lib) due to 54 previous errors; 101 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ea158d78c6603eafe87dcc6a4ea79dfe03fd6bea40ad42b47de0607d4ed53d6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea158d78c6603eafe87dcc6a4ea79dfe03fd6bea40ad42b47de0607d4ed53d6b", kill_on_drop: false }`
[INFO] [stdout] ea158d78c6603eafe87dcc6a4ea79dfe03fd6bea40ad42b47de0607d4ed53d6b
