[INFO] fetching crate unreferenced_files 1.6.0...
[INFO] checking unreferenced_files-1.6.0 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate unreferenced_files 1.6.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate unreferenced_files 1.6.0 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unreferenced_files 1.6.0
[INFO] finished tweaking crates.io crate unreferenced_files 1.6.0
[INFO] tweaked toml for crates.io crate unreferenced_files 1.6.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate unreferenced_files 1.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uuid v0.8.2
[INFO] [stderr]   Downloaded similar v1.1.0
[INFO] [stderr]   Downloaded serde_json v1.0.62
[INFO] [stderr]   Downloaded insta v1.6.0
[INFO] [stderr]   Downloaded thread_local v1.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8024a1f8429e5d1b65617674a98f5ca398e9e9e2814723208ccd73fac48f46b5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8024a1f8429e5d1b65617674a98f5ca398e9e9e2814723208ccd73fac48f46b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8024a1f8429e5d1b65617674a98f5ca398e9e9e2814723208ccd73fac48f46b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8024a1f8429e5d1b65617674a98f5ca398e9e9e2814723208ccd73fac48f46b5", kill_on_drop: false }`
[INFO] [stdout] 8024a1f8429e5d1b65617674a98f5ca398e9e9e2814723208ccd73fac48f46b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e8674d945c80798eba1948e8a41a0afd5929379dd6a21e572a1d5353a00d061
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4e8674d945c80798eba1948e8a41a0afd5929379dd6a21e572a1d5353a00d061", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking similar v1.1.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking console v0.14.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking unreferenced_files v1.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.123
[INFO] [stderr]     Checking serde_json v1.0.62
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking insta v1.6.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.85s
[INFO] running `Command { std: "docker" "inspect" "4e8674d945c80798eba1948e8a41a0afd5929379dd6a21e572a1d5353a00d061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e8674d945c80798eba1948e8a41a0afd5929379dd6a21e572a1d5353a00d061", kill_on_drop: false }`
[INFO] [stdout] 4e8674d945c80798eba1948e8a41a0afd5929379dd6a21e572a1d5353a00d061