[INFO] fetching crate zaki-yama-bicycle-book-wordcount 0.1.1...
[INFO] checking zaki-yama-bicycle-book-wordcount-0.1.1 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] extracting crate zaki-yama-bicycle-book-wordcount 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate zaki-yama-bicycle-book-wordcount 0.1.1 on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zaki-yama-bicycle-book-wordcount 0.1.1
[INFO] finished tweaking crates.io crate zaki-yama-bicycle-book-wordcount 0.1.1
[INFO] tweaked toml for crates.io crate zaki-yama-bicycle-book-wordcount 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate zaki-yama-bicycle-book-wordcount 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c7759cdf676617c81a73f2a4ecfbffcb29b032ab6ae38427927f169dea8013d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5c7759cdf676617c81a73f2a4ecfbffcb29b032ab6ae38427927f169dea8013d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c7759cdf676617c81a73f2a4ecfbffcb29b032ab6ae38427927f169dea8013d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c7759cdf676617c81a73f2a4ecfbffcb29b032ab6ae38427927f169dea8013d", kill_on_drop: false }`
[INFO] [stdout] 5c7759cdf676617c81a73f2a4ecfbffcb29b032ab6ae38427927f169dea8013d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1d92366eda4ad3374df4223aaaae14f4b346153be11b8dd9f9ba072ff1a8828
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c1d92366eda4ad3374df4223aaaae14f4b346153be11b8dd9f9ba072ff1a8828", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking zaki-yama-bicycle-book-wordcount v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]    --> src/lib.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 | use std::io;
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/lib.rs:136:1
[INFO] [stdout]     |
[INFO] [stdout] 136 | / macro_rules! assert_map {
[INFO] [stdout] 137 | |   ($expr: expr, {$($key: expr => $value:expr),*}) => {
[INFO] [stdout] 138 | |     $(assert_eq!($expr[$key], $value));*
[INFO] [stdout] 139 | |   };
[INFO] [stdout] 140 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.55s
[INFO] running `Command { std: "docker" "inspect" "c1d92366eda4ad3374df4223aaaae14f4b346153be11b8dd9f9ba072ff1a8828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1d92366eda4ad3374df4223aaaae14f4b346153be11b8dd9f9ba072ff1a8828", kill_on_drop: false }`
[INFO] [stdout] c1d92366eda4ad3374df4223aaaae14f4b346153be11b8dd9f9ba072ff1a8828