[INFO] cloning repository https://github.com/yppan/rusty-dpcm-huff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yppan/rusty-dpcm-huff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyppan%2Frusty-dpcm-huff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyppan%2Frusty-dpcm-huff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c035b6ed4a150b143ca681ea5b97e00c26d9f30
[INFO] checking yppan/rusty-dpcm-huff against try#b8ee37b59c6e1f39bae18b85e057975ab0d89308 for pr-139587-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyppan%2Frusty-dpcm-huff" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yppan/rusty-dpcm-huff on toolchain b8ee37b59c6e1f39bae18b85e057975ab0d89308
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b8ee37b59c6e1f39bae18b85e057975ab0d89308" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yppan/rusty-dpcm-huff
[INFO] finished tweaking git repo https://github.com/yppan/rusty-dpcm-huff
[INFO] tweaked toml for git repo https://github.com/yppan/rusty-dpcm-huff written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/yppan/rusty-dpcm-huff already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b8ee37b59c6e1f39bae18b85e057975ab0d89308" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+b8ee37b59c6e1f39bae18b85e057975ab0d89308" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5dc9fdce57c18e31a5e43f625864f4049cf5da664f0c2f964e166a2e6adc5217
[INFO] running `Command { std: "docker" "start" "-a" "5dc9fdce57c18e31a5e43f625864f4049cf5da664f0c2f964e166a2e6adc5217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dc9fdce57c18e31a5e43f625864f4049cf5da664f0c2f964e166a2e6adc5217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dc9fdce57c18e31a5e43f625864f4049cf5da664f0c2f964e166a2e6adc5217", kill_on_drop: false }`
[INFO] [stdout] 5dc9fdce57c18e31a5e43f625864f4049cf5da664f0c2f964e166a2e6adc5217
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+b8ee37b59c6e1f39bae18b85e057975ab0d89308" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d2d93bf00b93786f130ef89bbb6f9d1429e4fcecbd7e673162edb218d78fdbf
[INFO] running `Command { std: "docker" "start" "-a" "9d2d93bf00b93786f130ef89bbb6f9d1429e4fcecbd7e673162edb218d78fdbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rusty-huff-dpcm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/main.rs:51:21
[INFO] [stdout]    |
[INFO] [stdout] 51 |         if let Some(file) = matches.value_of("decompress") {
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/main.rs:51:21
[INFO] [stdout]    |
[INFO] [stdout] 51 |         if let Some(file) = matches.value_of("decompress") {
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.07s
[INFO] running `Command { std: "docker" "inspect" "9d2d93bf00b93786f130ef89bbb6f9d1429e4fcecbd7e673162edb218d78fdbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d2d93bf00b93786f130ef89bbb6f9d1429e4fcecbd7e673162edb218d78fdbf", kill_on_drop: false }`
[INFO] [stdout] 9d2d93bf00b93786f130ef89bbb6f9d1429e4fcecbd7e673162edb218d78fdbf