[INFO] cloning repository https://github.com/stewart/rff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stewart/rff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstewart%2Frff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstewart%2Frff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d46cbf98f5901f22ecf7c9b72ecf32c37141e5e9
[INFO] checking stewart/rff against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstewart%2Frff" "/workspace/builds/worker-66/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-66/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stewart/rff 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 git repo https://github.com/stewart/rff
[INFO] finished tweaking git repo https://github.com/stewart/rff
[INFO] tweaked toml for git repo https://github.com/stewart/rff written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] crate git repo https://github.com/stewart/rff 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-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] 5b0441c17ffb29ffee70ba8e96b8cce3d169038a2d89e2e18d47819d56a745a5
[INFO] running `Command { std: "docker" "start" "-a" "5b0441c17ffb29ffee70ba8e96b8cce3d169038a2d89e2e18d47819d56a745a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b0441c17ffb29ffee70ba8e96b8cce3d169038a2d89e2e18d47819d56a745a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b0441c17ffb29ffee70ba8e96b8cce3d169038a2d89e2e18d47819d56a745a5", kill_on_drop: false }`
[INFO] [stdout] 5b0441c17ffb29ffee70ba8e96b8cce3d169038a2d89e2e18d47819d56a745a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] fb29ed3ae95b77ef4e0bda5ce3ce22a2c64a741b42fe2f8a4909b1c41e11d03b
[INFO] running `Command { std: "docker" "start" "-a" "fb29ed3ae95b77ef4e0bda5ce3ce22a2c64a741b42fe2f8a4909b1c41e11d03b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking rff v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.48s
[INFO] running `Command { std: "docker" "inspect" "fb29ed3ae95b77ef4e0bda5ce3ce22a2c64a741b42fe2f8a4909b1c41e11d03b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb29ed3ae95b77ef4e0bda5ce3ce22a2c64a741b42fe2f8a4909b1c41e11d03b", kill_on_drop: false }`
[INFO] [stdout] fb29ed3ae95b77ef4e0bda5ce3ce22a2c64a741b42fe2f8a4909b1c41e11d03b