[INFO] fetching crate acat 0.1.2...
[INFO] checking acat-0.1.2 against 1.55.0 for beta-1.56-3
[INFO] extracting crate acat 0.1.2 into /workspace/builds/worker-80/source
[INFO] validating manifest of crates.io crate acat 0.1.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate acat 0.1.2
[INFO] finished tweaking crates.io crate acat 0.1.2
[INFO] tweaked toml for crates.io crate acat 0.1.2 written to /workspace/builds/worker-80/source/Cargo.toml
[INFO] crate crates.io crate acat 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e74dd96b35f7045c2499d5aa67bbe613c95e54397bce95a04b81e3e2330240fc
[INFO] running `Command { std: "docker" "start" "-a" "e74dd96b35f7045c2499d5aa67bbe613c95e54397bce95a04b81e3e2330240fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e74dd96b35f7045c2499d5aa67bbe613c95e54397bce95a04b81e3e2330240fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e74dd96b35f7045c2499d5aa67bbe613c95e54397bce95a04b81e3e2330240fc", kill_on_drop: false }`
[INFO] [stdout] e74dd96b35f7045c2499d5aa67bbe613c95e54397bce95a04b81e3e2330240fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8526454021c9f4f908c9f546e10831a4fbe0677b8876eb77b2330be8a78a052d
[INFO] running `Command { std: "docker" "start" "-a" "8526454021c9f4f908c9f546e10831a4fbe0677b8876eb77b2330be8a78a052d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking random_color v0.4.4
[INFO] [stderr]     Checking acat v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `AppSettings`, `ArgGroup`, `SubCommand`
[INFO] [stdout]  --> src/clap_app.rs:2:63
[INFO] [stdout]   |
[INFO] [stdout] 2 |     crate_authors, crate_name, crate_version, App as ClapApp, AppSettings, Arg, ArgGroup,
[INFO] [stdout]   |                                                               ^^^^^^^^^^^       ^^^^^^^^
[INFO] [stdout] 3 |     SubCommand,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AppSettings`, `ArgGroup`, `SubCommand`
[INFO] [stdout]  --> src/clap_app.rs:2:63
[INFO] [stdout]   |
[INFO] [stdout] 2 |     crate_authors, crate_name, crate_version, App as ClapApp, AppSettings, Arg, ArgGroup,
[INFO] [stdout]   |                                                               ^^^^^^^^^^^       ^^^^^^^^
[INFO] [stdout] 3 |     SubCommand,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.02s
[INFO] running `Command { std: "docker" "inspect" "8526454021c9f4f908c9f546e10831a4fbe0677b8876eb77b2330be8a78a052d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8526454021c9f4f908c9f546e10831a4fbe0677b8876eb77b2330be8a78a052d", kill_on_drop: false }`
[INFO] [stdout] 8526454021c9f4f908c9f546e10831a4fbe0677b8876eb77b2330be8a78a052d
