[INFO] fetching crate slog-scope-stdlog 0.2.0...
[INFO] testing slog-scope-stdlog-0.2.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate slog-scope-stdlog 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate slog-scope-stdlog 0.2.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate slog-scope-stdlog 0.2.0
[INFO] finished tweaking crates.io crate slog-scope-stdlog 0.2.0
[INFO] tweaked toml for crates.io crate slog-scope-stdlog 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9516a22086a8e70f0bd2682be71eaad5360a18afc165e498bc9e6f01260afdbd
[INFO] running `"docker" "start" "-a" "9516a22086a8e70f0bd2682be71eaad5360a18afc165e498bc9e6f01260afdbd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling slog v1.7.1
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling slog-extra v0.1.2
[INFO] [stderr]    Compiling slog-scope v0.2.2
[INFO] [stderr]    Compiling slog-stream v1.2.1
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling slog-term v1.5.0
[INFO] [stderr]    Compiling slog-scope-stdlog v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 133 |         try!(write!(f, "{}", self.info.msg()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:142:25
[INFO] [stderr]     |
[INFO] [stderr] 142 |                         try!(ser.io().write_all(", ".as_bytes()));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:143:25
[INFO] [stderr]     |
[INFO] [stderr] 143 |                         try!(v.serialize(self.info, k, &mut ser));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:147:25
[INFO] [stderr]     |
[INFO] [stderr] 147 |                         try!(ser.io().write_all(", ".as_bytes()));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:148:25
[INFO] [stderr]     |
[INFO] [stderr] 148 |                         try!(v.serialize(self.info, k, &mut ser));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         try!(res);
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 |         try!(write!(self.io, "{}{}{}", key, self.separator, "None"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:223:9
[INFO] [stderr]     |
[INFO] [stderr] 223 |         try!(write!(self.io, "{}", key));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:228:9
[INFO] [stderr]     |
[INFO] [stderr] 228 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:233:9
[INFO] [stderr]     |
[INFO] [stderr] 233 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:238:9
[INFO] [stderr]     |
[INFO] [stderr] 238 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:242:9
[INFO] [stderr]     |
[INFO] [stderr] 242 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:247:9
[INFO] [stderr]     |
[INFO] [stderr] 247 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:251:9
[INFO] [stderr]     |
[INFO] [stderr] 251 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:255:9
[INFO] [stderr]     |
[INFO] [stderr] 255 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:259:9
[INFO] [stderr]     |
[INFO] [stderr] 259 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:263:9
[INFO] [stderr]     |
[INFO] [stderr] 263 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:267:9
[INFO] [stderr]     |
[INFO] [stderr] 267 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:271:9
[INFO] [stderr]     |
[INFO] [stderr] 271 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:275:9
[INFO] [stderr]     |
[INFO] [stderr] 275 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:279:9
[INFO] [stderr]     |
[INFO] [stderr] 279 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:283:9
[INFO] [stderr]     |
[INFO] [stderr] 283 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:287:9
[INFO] [stderr]     |
[INFO] [stderr] 287 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:291:9
[INFO] [stderr]     |
[INFO] [stderr] 291 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.58s
[INFO] running `"docker" "inspect" "9516a22086a8e70f0bd2682be71eaad5360a18afc165e498bc9e6f01260afdbd"`
[INFO] running `"docker" "rm" "-f" "9516a22086a8e70f0bd2682be71eaad5360a18afc165e498bc9e6f01260afdbd"`
[INFO] [stdout] 9516a22086a8e70f0bd2682be71eaad5360a18afc165e498bc9e6f01260afdbd
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e698aff07640ee91e54de7c3780ab469546f729e423bd01c4e0a9217333e6eb9
[INFO] running `"docker" "start" "-a" "e698aff07640ee91e54de7c3780ab469546f729e423bd01c4e0a9217333e6eb9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling slog-scope-stdlog v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 133 |         try!(write!(f, "{}", self.info.msg()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:142:25
[INFO] [stderr]     |
[INFO] [stderr] 142 |                         try!(ser.io().write_all(", ".as_bytes()));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:143:25
[INFO] [stderr]     |
[INFO] [stderr] 143 |                         try!(v.serialize(self.info, k, &mut ser));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:147:25
[INFO] [stderr]     |
[INFO] [stderr] 147 |                         try!(ser.io().write_all(", ".as_bytes()));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:148:25
[INFO] [stderr]     |
[INFO] [stderr] 148 |                         try!(v.serialize(self.info, k, &mut ser));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         try!(res);
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 |         try!(write!(self.io, "{}{}{}", key, self.separator, "None"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:223:9
[INFO] [stderr]     |
[INFO] [stderr] 223 |         try!(write!(self.io, "{}", key));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:228:9
[INFO] [stderr]     |
[INFO] [stderr] 228 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:233:9
[INFO] [stderr]     |
[INFO] [stderr] 233 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:238:9
[INFO] [stderr]     |
[INFO] [stderr] 238 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:242:9
[INFO] [stderr]     |
[INFO] [stderr] 242 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:247:9
[INFO] [stderr]     |
[INFO] [stderr] 247 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:251:9
[INFO] [stderr]     |
[INFO] [stderr] 251 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:255:9
[INFO] [stderr]     |
[INFO] [stderr] 255 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:259:9
[INFO] [stderr]     |
[INFO] [stderr] 259 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:263:9
[INFO] [stderr]     |
[INFO] [stderr] 263 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:267:9
[INFO] [stderr]     |
[INFO] [stderr] 267 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:271:9
[INFO] [stderr]     |
[INFO] [stderr] 271 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:275:9
[INFO] [stderr]     |
[INFO] [stderr] 275 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:279:9
[INFO] [stderr]     |
[INFO] [stderr] 279 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:283:9
[INFO] [stderr]     |
[INFO] [stderr] 283 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:287:9
[INFO] [stderr]     |
[INFO] [stderr] 287 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:291:9
[INFO] [stderr]     |
[INFO] [stderr] 291 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 133 |         try!(write!(f, "{}", self.info.msg()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:142:25
[INFO] [stderr]     |
[INFO] [stderr] 142 |                         try!(ser.io().write_all(", ".as_bytes()));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:143:25
[INFO] [stderr]     |
[INFO] [stderr] 143 |                         try!(v.serialize(self.info, k, &mut ser));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:147:25
[INFO] [stderr]     |
[INFO] [stderr] 147 |                         try!(ser.io().write_all(", ".as_bytes()));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:148:25
[INFO] [stderr]     |
[INFO] [stderr] 148 |                         try!(v.serialize(self.info, k, &mut ser));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         try!(res);
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 |         try!(write!(self.io, "{}{}{}", key, self.separator, "None"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:223:9
[INFO] [stderr]     |
[INFO] [stderr] 223 |         try!(write!(self.io, "{}", key));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:228:9
[INFO] [stderr]     |
[INFO] [stderr] 228 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:233:9
[INFO] [stderr]     |
[INFO] [stderr] 233 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:238:9
[INFO] [stderr]     |
[INFO] [stderr] 238 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:242:9
[INFO] [stderr]     |
[INFO] [stderr] 242 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:247:9
[INFO] [stderr]     |
[INFO] [stderr] 247 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:251:9
[INFO] [stderr]     |
[INFO] [stderr] 251 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:255:9
[INFO] [stderr]     |
[INFO] [stderr] 255 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:259:9
[INFO] [stderr]     |
[INFO] [stderr] 259 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:263:9
[INFO] [stderr]     |
[INFO] [stderr] 263 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:267:9
[INFO] [stderr]     |
[INFO] [stderr] 267 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:271:9
[INFO] [stderr]     |
[INFO] [stderr] 271 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:275:9
[INFO] [stderr]     |
[INFO] [stderr] 275 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:279:9
[INFO] [stderr]     |
[INFO] [stderr] 279 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:283:9
[INFO] [stderr]     |
[INFO] [stderr] 283 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:287:9
[INFO] [stderr]     |
[INFO] [stderr] 287 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:291:9
[INFO] [stderr]     |
[INFO] [stderr] 291 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `"docker" "inspect" "e698aff07640ee91e54de7c3780ab469546f729e423bd01c4e0a9217333e6eb9"`
[INFO] running `"docker" "rm" "-f" "e698aff07640ee91e54de7c3780ab469546f729e423bd01c4e0a9217333e6eb9"`
[INFO] [stdout] e698aff07640ee91e54de7c3780ab469546f729e423bd01c4e0a9217333e6eb9
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6c36814586922a6e9d06a3ddacb65cb342af67c4207760f0cb37f3e20a2cf3b2
[INFO] running `"docker" "start" "-a" "6c36814586922a6e9d06a3ddacb65cb342af67c4207760f0cb37f3e20a2cf3b2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 133 |         try!(write!(f, "{}", self.info.msg()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:142:25
[INFO] [stderr]     |
[INFO] [stderr] 142 |                         try!(ser.io().write_all(", ".as_bytes()));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:143:25
[INFO] [stderr]     |
[INFO] [stderr] 143 |                         try!(v.serialize(self.info, k, &mut ser));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:147:25
[INFO] [stderr]     |
[INFO] [stderr] 147 |                         try!(ser.io().write_all(", ".as_bytes()));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:148:25
[INFO] [stderr]     |
[INFO] [stderr] 148 |                         try!(v.serialize(self.info, k, &mut ser));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         try!(res);
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 |         try!(write!(self.io, "{}{}{}", key, self.separator, "None"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:223:9
[INFO] [stderr]     |
[INFO] [stderr] 223 |         try!(write!(self.io, "{}", key));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:228:9
[INFO] [stderr]     |
[INFO] [stderr] 228 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:233:9
[INFO] [stderr]     |
[INFO] [stderr] 233 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:238:9
[INFO] [stderr]     |
[INFO] [stderr] 238 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:242:9
[INFO] [stderr]     |
[INFO] [stderr] 242 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:247:9
[INFO] [stderr]     |
[INFO] [stderr] 247 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:251:9
[INFO] [stderr]     |
[INFO] [stderr] 251 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:255:9
[INFO] [stderr]     |
[INFO] [stderr] 255 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:259:9
[INFO] [stderr]     |
[INFO] [stderr] 259 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:263:9
[INFO] [stderr]     |
[INFO] [stderr] 263 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:267:9
[INFO] [stderr]     |
[INFO] [stderr] 267 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:271:9
[INFO] [stderr]     |
[INFO] [stderr] 271 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:275:9
[INFO] [stderr]     |
[INFO] [stderr] 275 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:279:9
[INFO] [stderr]     |
[INFO] [stderr] 279 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:283:9
[INFO] [stderr]     |
[INFO] [stderr] 283 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:287:9
[INFO] [stderr]     |
[INFO] [stderr] 287 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:291:9
[INFO] [stderr]     |
[INFO] [stderr] 291 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 133 |         try!(write!(f, "{}", self.info.msg()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:142:25
[INFO] [stderr]     |
[INFO] [stderr] 142 |                         try!(ser.io().write_all(", ".as_bytes()));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:143:25
[INFO] [stderr]     |
[INFO] [stderr] 143 |                         try!(v.serialize(self.info, k, &mut ser));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:147:25
[INFO] [stderr]     |
[INFO] [stderr] 147 |                         try!(ser.io().write_all(", ".as_bytes()));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:148:25
[INFO] [stderr]     |
[INFO] [stderr] 148 |                         try!(v.serialize(self.info, k, &mut ser));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         try!(res);
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 |         try!(write!(self.io, "{}{}{}", key, self.separator, "None"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:223:9
[INFO] [stderr]     |
[INFO] [stderr] 223 |         try!(write!(self.io, "{}", key));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:228:9
[INFO] [stderr]     |
[INFO] [stderr] 228 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:233:9
[INFO] [stderr]     |
[INFO] [stderr] 233 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:238:9
[INFO] [stderr]     |
[INFO] [stderr] 238 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:242:9
[INFO] [stderr]     |
[INFO] [stderr] 242 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:247:9
[INFO] [stderr]     |
[INFO] [stderr] 247 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:251:9
[INFO] [stderr]     |
[INFO] [stderr] 251 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:255:9
[INFO] [stderr]     |
[INFO] [stderr] 255 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:259:9
[INFO] [stderr]     |
[INFO] [stderr] 259 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:263:9
[INFO] [stderr]     |
[INFO] [stderr] 263 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:267:9
[INFO] [stderr]     |
[INFO] [stderr] 267 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:271:9
[INFO] [stderr]     |
[INFO] [stderr] 271 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:275:9
[INFO] [stderr]     |
[INFO] [stderr] 275 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:279:9
[INFO] [stderr]     |
[INFO] [stderr] 279 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:283:9
[INFO] [stderr]     |
[INFO] [stderr] 283 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:287:9
[INFO] [stderr]     |
[INFO] [stderr] 287 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:291:9
[INFO] [stderr]     |
[INFO] [stderr] 291 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/slog_scope_stdlog-e17da47ac8b2f7bf
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slog-scope-stdlog
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lib.rs - init (line 86) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6c36814586922a6e9d06a3ddacb65cb342af67c4207760f0cb37f3e20a2cf3b2"`
[INFO] running `"docker" "rm" "-f" "6c36814586922a6e9d06a3ddacb65cb342af67c4207760f0cb37f3e20a2cf3b2"`
[INFO] [stdout] 6c36814586922a6e9d06a3ddacb65cb342af67c4207760f0cb37f3e20a2cf3b2