[INFO] fetching crate flip-link 0.1.4...
[INFO] checking flip-link-0.1.4 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate flip-link 0.1.4 into /workspace/builds/worker-107/source
[INFO] validating manifest of crates.io crate flip-link 0.1.4 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flip-link 0.1.4
[INFO] finished tweaking crates.io crate flip-link 0.1.4
[INFO] tweaked toml for crates.io crate flip-link 0.1.4 written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] crate crates.io crate flip-link 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c25bbfa2e8a189078e22671b4c6f5ac777e34ae535a63266a689fa3903f3b96
[INFO] running `Command { std: "docker" "start" "-a" "4c25bbfa2e8a189078e22671b4c6f5ac777e34ae535a63266a689fa3903f3b96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c25bbfa2e8a189078e22671b4c6f5ac777e34ae535a63266a689fa3903f3b96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c25bbfa2e8a189078e22671b4c6f5ac777e34ae535a63266a689fa3903f3b96", kill_on_drop: false }`
[INFO] [stdout] 4c25bbfa2e8a189078e22671b4c6f5ac777e34ae535a63266a689fa3903f3b96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af581b560a5ff377847451f8f233f6809d3188f6487b312eb43908e79bddcb9e
[INFO] running `Command { std: "docker" "start" "-a" "af581b560a5ff377847451f8f233f6809d3188f6487b312eb43908e79bddcb9e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking object v0.24.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking flip-link v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.20s
[INFO] running `Command { std: "docker" "inspect" "af581b560a5ff377847451f8f233f6809d3188f6487b312eb43908e79bddcb9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af581b560a5ff377847451f8f233f6809d3188f6487b312eb43908e79bddcb9e", kill_on_drop: false }`
[INFO] [stdout] af581b560a5ff377847451f8f233f6809d3188f6487b312eb43908e79bddcb9e