[INFO] fetching crate crcnt_muligo 0.1.1...
[INFO] checking crcnt_muligo-0.1.1 against master#18a6d911caba59605eb03db1452848a85d2e5879 for pr-112743
[INFO] extracting crate crcnt_muligo 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate crcnt_muligo 0.1.1 on toolchain 18a6d911caba59605eb03db1452848a85d2e5879
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crcnt_muligo 0.1.1
[INFO] finished tweaking crates.io crate crcnt_muligo 0.1.1
[INFO] tweaked toml for crates.io crate crcnt_muligo 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0b93313912ff0c6ca99b93b7da3f678e1ab336b4a7ac8dd356adb0ac4ec3b55
[INFO] running `Command { std: "docker" "start" "-a" "e0b93313912ff0c6ca99b93b7da3f678e1ab336b4a7ac8dd356adb0ac4ec3b55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0b93313912ff0c6ca99b93b7da3f678e1ab336b4a7ac8dd356adb0ac4ec3b55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0b93313912ff0c6ca99b93b7da3f678e1ab336b4a7ac8dd356adb0ac4ec3b55", kill_on_drop: false }`
[INFO] [stdout] e0b93313912ff0c6ca99b93b7da3f678e1ab336b4a7ac8dd356adb0ac4ec3b55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74f717241293cecaf8b74a77f0f7de12fee6f81556b5499dd20f648220f86d06
[INFO] running `Command { std: "docker" "start" "-a" "74f717241293cecaf8b74a77f0f7de12fee6f81556b5499dd20f648220f86d06", kill_on_drop: false }`
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[INFO] [stderr]     Checking crcnt_muligo v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]   --> tests/mulingo.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 |   let version: MulingoVersion = "0.1.0".into();
[INFO] [stdout]    |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_version`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]   --> tests/mulingo.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 |   let version: MulingoVersion = "0.1.1".into();
[INFO] [stdout]    |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.65s
[INFO] running `Command { std: "docker" "inspect" "74f717241293cecaf8b74a77f0f7de12fee6f81556b5499dd20f648220f86d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74f717241293cecaf8b74a77f0f7de12fee6f81556b5499dd20f648220f86d06", kill_on_drop: false }`
[INFO] [stdout] 74f717241293cecaf8b74a77f0f7de12fee6f81556b5499dd20f648220f86d06