[INFO] fetching crate slog-scope-stdlog 0.2.0...
[INFO] checking slog-scope-stdlog-0.2.0 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate slog-scope-stdlog 0.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate slog-scope-stdlog 0.2.0 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 166120209dadbe9573abf63250963dd1c237d7f53b658957170eb1b735e6a2ab
[INFO] running `Command { std: "docker" "start" "-a" "166120209dadbe9573abf63250963dd1c237d7f53b658957170eb1b735e6a2ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "166120209dadbe9573abf63250963dd1c237d7f53b658957170eb1b735e6a2ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "166120209dadbe9573abf63250963dd1c237d7f53b658957170eb1b735e6a2ab", kill_on_drop: false }`
[INFO] [stdout] 166120209dadbe9573abf63250963dd1c237d7f53b658957170eb1b735e6a2ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d47871c75a75782d592ea923f1bb20f3fd8325ea863ed729d0a5609e2a191d9f
[INFO] running `Command { std: "docker" "start" "-a" "d47871c75a75782d592ea923f1bb20f3fd8325ea863ed729d0a5609e2a191d9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking slog v1.7.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking slog-extra v0.1.2
[INFO] [stderr]     Checking slog-scope v0.2.2
[INFO] [stderr]     Checking slog-stream v1.2.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking slog-term v1.5.0
[INFO] [stderr]     Checking slog-scope-stdlog v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         try!(write!(f, "{}", self.info.msg()));
[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:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |         try!(res);
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:142:25
[INFO] [stdout]     |
[INFO] [stdout] 142 |                         try!(ser.io().write_all(", ".as_bytes()));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:143:25
[INFO] [stdout]     |
[INFO] [stdout] 143 |                         try!(v.serialize(self.info, k, &mut ser));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         try!(ser.io().write_all(", ".as_bytes()));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         try!(v.serialize(self.info, k, &mut ser));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |         try!(write!(self.io, "{}{}{}", key, self.separator, "None"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:223:9
[INFO] [stdout]     |
[INFO] [stdout] 223 |         try!(write!(self.io, "{}", key));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:242:9
[INFO] [stdout]     |
[INFO] [stdout] 242 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:251:9
[INFO] [stdout]     |
[INFO] [stdout] 251 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:255:9
[INFO] [stdout]     |
[INFO] [stdout] 255 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:259:9
[INFO] [stdout]     |
[INFO] [stdout] 259 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:263:9
[INFO] [stdout]     |
[INFO] [stdout] 263 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:267:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:275:9
[INFO] [stdout]     |
[INFO] [stdout] 275 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:279:9
[INFO] [stdout]     |
[INFO] [stdout] 279 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:283:9
[INFO] [stdout]     |
[INFO] [stdout] 283 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:287:9
[INFO] [stdout]     |
[INFO] [stdout] 287 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:291:9
[INFO] [stdout]     |
[INFO] [stdout] 291 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         try!(write!(f, "{}", self.info.msg()));
[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:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |         try!(res);
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:142:25
[INFO] [stdout]     |
[INFO] [stdout] 142 |                         try!(ser.io().write_all(", ".as_bytes()));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:143:25
[INFO] [stdout]     |
[INFO] [stdout] 143 |                         try!(v.serialize(self.info, k, &mut ser));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         try!(ser.io().write_all(", ".as_bytes()));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         try!(v.serialize(self.info, k, &mut ser));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |         try!(write!(self.io, "{}{}{}", key, self.separator, "None"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:223:9
[INFO] [stdout]     |
[INFO] [stdout] 223 |         try!(write!(self.io, "{}", key));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:242:9
[INFO] [stdout]     |
[INFO] [stdout] 242 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:251:9
[INFO] [stdout]     |
[INFO] [stdout] 251 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:255:9
[INFO] [stdout]     |
[INFO] [stdout] 255 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:259:9
[INFO] [stdout]     |
[INFO] [stdout] 259 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:263:9
[INFO] [stdout]     |
[INFO] [stdout] 263 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:267:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:275:9
[INFO] [stdout]     |
[INFO] [stdout] 275 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:279:9
[INFO] [stdout]     |
[INFO] [stdout] 279 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:283:9
[INFO] [stdout]     |
[INFO] [stdout] 283 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:287:9
[INFO] [stdout]     |
[INFO] [stdout] 287 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:291:9
[INFO] [stdout]     |
[INFO] [stdout] 291 |         try!(write!(self.io, "{}{}{}", key, self.separator, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `Command { std: "docker" "inspect" "d47871c75a75782d592ea923f1bb20f3fd8325ea863ed729d0a5609e2a191d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d47871c75a75782d592ea923f1bb20f3fd8325ea863ed729d0a5609e2a191d9f", kill_on_drop: false }`
[INFO] [stdout] d47871c75a75782d592ea923f1bb20f3fd8325ea863ed729d0a5609e2a191d9f