[INFO] fetching crate acc 0.1.2...
[INFO] checking acc-0.1.2 against master#b359ccf1b0b7b2d2c1c4932344b806e68bd053a9 for pr-105483
[INFO] extracting crate acc 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate acc 0.1.2 on toolchain b359ccf1b0b7b2d2c1c4932344b806e68bd053a9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate acc 0.1.2
[INFO] finished tweaking crates.io crate acc 0.1.2
[INFO] tweaked toml for crates.io crate acc 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate acc 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-traits v0.2.12
[INFO] [stderr]   Downloaded num-rational v0.1.42
[INFO] [stderr]   Downloaded rdrand v0.4.0
[INFO] [stderr]   Downloaded rand_core v0.3.1
[INFO] [stderr]   Downloaded rustc-serialize v0.3.24
[INFO] [stderr]   Downloaded fuchsia-cprng v0.1.1
[INFO] [stderr]   Downloaded hermit-abi v0.1.15
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] [stderr]   Downloaded num-complex v0.1.43
[INFO] [stderr]   Downloaded num-iter v0.1.41
[INFO] [stderr]   Downloaded libc v0.2.71
[INFO] [stderr]   Downloaded colored v1.9.3
[INFO] [stderr]   Downloaded rand_core v0.4.2
[INFO] [stderr]   Downloaded num-bigint v0.1.44
[INFO] [stderr]   Downloaded num v0.1.42
[INFO] [stderr]   Downloaded num-integer v0.1.43
[INFO] [stderr]   Downloaded autocfg v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cc53530fb8fdf4310ca632fc2be0ac345e52b51109c1902bb1dd9d7545f47a6
[INFO] running `Command { std: "docker" "start" "-a" "8cc53530fb8fdf4310ca632fc2be0ac345e52b51109c1902bb1dd9d7545f47a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cc53530fb8fdf4310ca632fc2be0ac345e52b51109c1902bb1dd9d7545f47a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cc53530fb8fdf4310ca632fc2be0ac345e52b51109c1902bb1dd9d7545f47a6", kill_on_drop: false }`
[INFO] [stdout] 8cc53530fb8fdf4310ca632fc2be0ac345e52b51109c1902bb1dd9d7545f47a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8d22a2af41c785ac8099a2033993df05f0c6ba80b9db0b1734426719a20eb17
[INFO] running `Command { std: "docker" "start" "-a" "e8d22a2af41c785ac8099a2033993df05f0c6ba80b9db0b1734426719a20eb17", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking acc v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.48s
[INFO] running `Command { std: "docker" "inspect" "e8d22a2af41c785ac8099a2033993df05f0c6ba80b9db0b1734426719a20eb17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8d22a2af41c785ac8099a2033993df05f0c6ba80b9db0b1734426719a20eb17", kill_on_drop: false }`
[INFO] [stdout] e8d22a2af41c785ac8099a2033993df05f0c6ba80b9db0b1734426719a20eb17