[INFO] fetching crate lib_code 0.1.1...
[INFO] checking lib_code-0.1.1 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate lib_code 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lib_code 0.1.1 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lib_code 0.1.1
[INFO] finished tweaking crates.io crate lib_code 0.1.1
[INFO] tweaked toml for crates.io crate lib_code 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24e57a20e31e369465b2ddd613e9fe7fe597a86e2b768bc8c0b1cac6a6f652a8
[INFO] running `Command { std: "docker" "start" "-a" "24e57a20e31e369465b2ddd613e9fe7fe597a86e2b768bc8c0b1cac6a6f652a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24e57a20e31e369465b2ddd613e9fe7fe597a86e2b768bc8c0b1cac6a6f652a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24e57a20e31e369465b2ddd613e9fe7fe597a86e2b768bc8c0b1cac6a6f652a8", kill_on_drop: false }`
[INFO] [stdout] 24e57a20e31e369465b2ddd613e9fe7fe597a86e2b768bc8c0b1cac6a6f652a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0a3ad87978d5a67619b21ffe4c93aa5321c0d68256c77438c377165c50b1367
[INFO] running `Command { std: "docker" "start" "-a" "b0a3ad87978d5a67619b21ffe4c93aa5321c0d68256c77438c377165c50b1367", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking lib_code v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "b0a3ad87978d5a67619b21ffe4c93aa5321c0d68256c77438c377165c50b1367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0a3ad87978d5a67619b21ffe4c93aa5321c0d68256c77438c377165c50b1367", kill_on_drop: false }`
[INFO] [stdout] b0a3ad87978d5a67619b21ffe4c93aa5321c0d68256c77438c377165c50b1367