[INFO] fetching crate gatekeeper 2.2.0...
[INFO] checking gatekeeper-2.2.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate gatekeeper 2.2.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate gatekeeper 2.2.0 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-11/source/rust-toolchain
[INFO] started tweaking crates.io crate gatekeeper 2.2.0
[INFO] finished tweaking crates.io crate gatekeeper 2.2.0
[INFO] tweaked toml for crates.io crate gatekeeper 2.2.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate gatekeeper 2.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a02f32215040759860da0daf94e4d16f9b592149cca9def85fccc7830dcab53d
[INFO] running `Command { std: "docker" "start" "-a" "a02f32215040759860da0daf94e4d16f9b592149cca9def85fccc7830dcab53d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a02f32215040759860da0daf94e4d16f9b592149cca9def85fccc7830dcab53d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a02f32215040759860da0daf94e4d16f9b592149cca9def85fccc7830dcab53d", kill_on_drop: false }`
[INFO] [stdout] a02f32215040759860da0daf94e4d16f9b592149cca9def85fccc7830dcab53d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c82ea38c4db9b6f440202243d1bacd3e1d7e06f513ca6e4525960550cc76dce
[INFO] running `Command { std: "docker" "start" "-a" "3c82ea38c4db9b6f440202243d1bacd3e1d7e06f513ca6e4525960550cc76dce", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking arc-swap v0.4.5
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking socks v0.3.2
[INFO] [stderr]     Checking backtrace v0.3.44
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking signal-hook v0.1.13
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling derive_more v0.99.5
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking serde_regex v0.4.0
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking gatekeeper v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.48s
[INFO] running `Command { std: "docker" "inspect" "3c82ea38c4db9b6f440202243d1bacd3e1d7e06f513ca6e4525960550cc76dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c82ea38c4db9b6f440202243d1bacd3e1d7e06f513ca6e4525960550cc76dce", kill_on_drop: false }`
[INFO] [stdout] 3c82ea38c4db9b6f440202243d1bacd3e1d7e06f513ca6e4525960550cc76dce