[INFO] fetching crate slog-serde 1.0.0-alpha9...
[INFO] building slog-serde-1.0.0-alpha9 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate slog-serde 1.0.0-alpha9 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate slog-serde 1.0.0-alpha9
[INFO] finished tweaking crates.io crate slog-serde 1.0.0-alpha9
[INFO] tweaked toml for crates.io crate slog-serde 1.0.0-alpha9 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slog-serde 1.0.0-alpha9 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] [stderr]       Adding serde v0.8.23 (available: v1.0.228)
[INFO] [stderr]       Adding slog v1.7.1 (available: v2.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06ef58f529e94a3aad4f52e887404cdf5f2c7347d7a9eb3bb635e859bfcd24fe
[INFO] running `Command { std: "docker" "start" "-a" "06ef58f529e94a3aad4f52e887404cdf5f2c7347d7a9eb3bb635e859bfcd24fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06ef58f529e94a3aad4f52e887404cdf5f2c7347d7a9eb3bb635e859bfcd24fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06ef58f529e94a3aad4f52e887404cdf5f2c7347d7a9eb3bb635e859bfcd24fe", kill_on_drop: false }`
[INFO] [stdout] 06ef58f529e94a3aad4f52e887404cdf5f2c7347d7a9eb3bb635e859bfcd24fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f19607c70c29f438d9bdce340bb10f7df0bfeb82e1e2bc4098186657e7ac8c7
[INFO] running `Command { std: "docker" "start" "-a" "7f19607c70c29f438d9bdce340bb10f7df0bfeb82e1e2bc4098186657e7ac8c7", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling slog v1.7.1
[INFO] [stderr]    Compiling slog-serde v1.0.0-alpha9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[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 `try`: use the `?` operator instead
[INFO] [stdout]   --> lib.rs:37:25
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let map_state = try!(
[INFO] [stdout]    |                         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         impl_m!(self, key, val)
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |         impl_m!(self, key, ())
[INFO] [stdout]    |         ---------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |         impl_m!(self, key, val)
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |         impl_m!(self, key, val)
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |         impl_m!(self, key, val)
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         impl_m!(self, key, val)
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |         impl_m!(self, key, val)
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |         impl_m!(self, key, val)
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 98 |         impl_m!(self, key, val)
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout]  58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |         impl_m!(self, key, val)
[INFO] [stdout]     |         ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout]  58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         impl_m!(self, key, val)
[INFO] [stdout]     |         ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout]  58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |         impl_m!(self, key, val)
[INFO] [stdout]     |         ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout]  58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |         impl_m!(self, key, val)
[INFO] [stdout]     |         ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout]  58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |         impl_m!(self, key, val)
[INFO] [stdout]     |         ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout]  58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |         impl_m!(self, key, val)
[INFO] [stdout]     |         ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout]  58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         impl_m!(self, key, val)
[INFO] [stdout]     |         ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout]  58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 |         impl_m!(self, key, val)
[INFO] [stdout]     |         ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout]  58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 |                     impl_m!(self, key, &*buf)
[INFO] [stdout]     |                     ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "7f19607c70c29f438d9bdce340bb10f7df0bfeb82e1e2bc4098186657e7ac8c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f19607c70c29f438d9bdce340bb10f7df0bfeb82e1e2bc4098186657e7ac8c7", kill_on_drop: false }`
[INFO] [stdout] 7f19607c70c29f438d9bdce340bb10f7df0bfeb82e1e2bc4098186657e7ac8c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce867bbda0bca6bfea3c7c8eabe0e692cccb803887f3501e5c23381b42da9ef9
[INFO] running `Command { std: "docker" "start" "-a" "ce867bbda0bca6bfea3c7c8eabe0e692cccb803887f3501e5c23381b42da9ef9", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[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 `try`: use the `?` operator instead
[INFO] [stdout]   --> lib.rs:37:25
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let map_state = try!(
[INFO] [stdout]    |                         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         impl_m!(self, key, val)
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |         impl_m!(self, key, ())
[INFO] [stdout]    |         ---------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |         impl_m!(self, key, val)
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |         impl_m!(self, key, val)
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |         impl_m!(self, key, val)
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         impl_m!(self, key, val)
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |         impl_m!(self, key, val)
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |         impl_m!(self, key, val)
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 98 |         impl_m!(self, key, val)
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout]  58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |         impl_m!(self, key, val)
[INFO] [stdout]     |         ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout]  58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         impl_m!(self, key, val)
[INFO] [stdout]     |         ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout]  58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |         impl_m!(self, key, val)
[INFO] [stdout]     |         ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout]  58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |         impl_m!(self, key, val)
[INFO] [stdout]     |         ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout]  58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |         impl_m!(self, key, val)
[INFO] [stdout]     |         ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout]  58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |         impl_m!(self, key, val)
[INFO] [stdout]     |         ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout]  58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         impl_m!(self, key, val)
[INFO] [stdout]     |         ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout]  58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 |         impl_m!(self, key, val)
[INFO] [stdout]     |         ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling slog-serde v1.0.0-alpha9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout]  58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 |                     impl_m!(self, key, &*buf)
[INFO] [stdout]     |                     ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[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 `try`: use the `?` operator instead
[INFO] [stdout]   --> lib.rs:37:25
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let map_state = try!(
[INFO] [stdout]    |                         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |         impl_m!(self, key, val)
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |         impl_m!(self, key, ())
[INFO] [stdout]    |         ---------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |         impl_m!(self, key, val)
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |         impl_m!(self, key, val)
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |         impl_m!(self, key, val)
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |         impl_m!(self, key, val)
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |         impl_m!(self, key, val)
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |         impl_m!(self, key, val)
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 98 |         impl_m!(self, key, val)
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout]  58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |         impl_m!(self, key, val)
[INFO] [stdout]     |         ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout]  58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         impl_m!(self, key, val)
[INFO] [stdout]     |         ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout]  58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |         impl_m!(self, key, val)
[INFO] [stdout]     |         ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout]  58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |         impl_m!(self, key, val)
[INFO] [stdout]     |         ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout]  58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |         impl_m!(self, key, val)
[INFO] [stdout]     |         ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout]  58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |         impl_m!(self, key, val)
[INFO] [stdout]     |         ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout]  58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |         impl_m!(self, key, val)
[INFO] [stdout]     |         ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout]  58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 |         impl_m!(self, key, val)
[INFO] [stdout]     |         ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout]  58 |         try!(serde::Serializer::serialize_map_key(&mut $s.ser, &mut $s.map_state, $key)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 |                     impl_m!(self, key, &*buf)
[INFO] [stdout]     |                     ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "ce867bbda0bca6bfea3c7c8eabe0e692cccb803887f3501e5c23381b42da9ef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce867bbda0bca6bfea3c7c8eabe0e692cccb803887f3501e5c23381b42da9ef9", kill_on_drop: false }`
[INFO] [stdout] ce867bbda0bca6bfea3c7c8eabe0e692cccb803887f3501e5c23381b42da9ef9