[INFO] fetching crate trait_enum 0.5.0...
[INFO] checking trait_enum-0.5.0 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate trait_enum 0.5.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate trait_enum 0.5.0 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 trait_enum 0.5.0
[INFO] finished tweaking crates.io crate trait_enum 0.5.0
[INFO] tweaked toml for crates.io crate trait_enum 0.5.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] ebe95f8389ad2f61c2f1b1364de466d3ce3d897406032e3c990cd3d5e6c314b5
[INFO] running `Command { std: "docker" "start" "-a" "ebe95f8389ad2f61c2f1b1364de466d3ce3d897406032e3c990cd3d5e6c314b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebe95f8389ad2f61c2f1b1364de466d3ce3d897406032e3c990cd3d5e6c314b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebe95f8389ad2f61c2f1b1364de466d3ce3d897406032e3c990cd3d5e6c314b5", kill_on_drop: false }`
[INFO] [stdout] ebe95f8389ad2f61c2f1b1364de466d3ce3d897406032e3c990cd3d5e6c314b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 08d27ed12951b92e0267b931674c26dbb0c44c6cb05a9805e56fcf7a62d72eb7
[INFO] running `Command { std: "docker" "start" "-a" "08d27ed12951b92e0267b931674c26dbb0c44c6cb05a9805e56fcf7a62d72eb7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking trait_enum v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `Command { std: "docker" "inspect" "08d27ed12951b92e0267b931674c26dbb0c44c6cb05a9805e56fcf7a62d72eb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08d27ed12951b92e0267b931674c26dbb0c44c6cb05a9805e56fcf7a62d72eb7", kill_on_drop: false }`
[INFO] [stdout] 08d27ed12951b92e0267b931674c26dbb0c44c6cb05a9805e56fcf7a62d72eb7