[INFO] fetching crate mint 0.5.8...
[INFO] checking mint-0.5.8 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate mint 0.5.8 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate mint 0.5.8 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mint 0.5.8
[INFO] finished tweaking crates.io crate mint 0.5.8
[INFO] tweaked toml for crates.io crate mint 0.5.8 written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3cc8e679de8788cd0b0cb47fe9bb99b72d893fc87cbf67a5cbbb93f6e4d5031
[INFO] running `Command { std: "docker" "start" "-a" "a3cc8e679de8788cd0b0cb47fe9bb99b72d893fc87cbf67a5cbbb93f6e4d5031", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3cc8e679de8788cd0b0cb47fe9bb99b72d893fc87cbf67a5cbbb93f6e4d5031", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3cc8e679de8788cd0b0cb47fe9bb99b72d893fc87cbf67a5cbbb93f6e4d5031", kill_on_drop: false }`
[INFO] [stdout] a3cc8e679de8788cd0b0cb47fe9bb99b72d893fc87cbf67a5cbbb93f6e4d5031
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da20f8eafe3025ebf987d617ee4147b29f3b6d0d81c3ee34596a02b6742a9880
[INFO] running `Command { std: "docker" "start" "-a" "da20f8eafe3025ebf987d617ee4147b29f3b6d0d81c3ee34596a02b6742a9880", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking mint v0.5.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.72
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.77s
[INFO] running `Command { std: "docker" "inspect" "da20f8eafe3025ebf987d617ee4147b29f3b6d0d81c3ee34596a02b6742a9880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da20f8eafe3025ebf987d617ee4147b29f3b6d0d81c3ee34596a02b6742a9880", kill_on_drop: false }`
[INFO] [stdout] da20f8eafe3025ebf987d617ee4147b29f3b6d0d81c3ee34596a02b6742a9880