[INFO] cloning repository https://github.com/LukasJoswiak/libri
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LukasJoswiak/libri" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukasJoswiak%2Flibri", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukasJoswiak%2Flibri'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 204fe26abfa264d5fbc7e65695fdda054c7fb779
[INFO] checking LukasJoswiak/libri against master#bbefc9837f4157cc09ed60e6d7b21e345d582dd9 for pr-114571-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukasJoswiak%2Flibri" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LukasJoswiak/libri on toolchain bbefc9837f4157cc09ed60e6d7b21e345d582dd9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbefc9837f4157cc09ed60e6d7b21e345d582dd9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LukasJoswiak/libri
[INFO] finished tweaking git repo https://github.com/LukasJoswiak/libri
[INFO] tweaked toml for git repo https://github.com/LukasJoswiak/libri written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/LukasJoswiak/libri already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbefc9837f4157cc09ed60e6d7b21e345d582dd9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking LukasJoswiak/libri against try#2399cef65c47f346b5fa9df51f48df0acd4a9d85 for pr-114571-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukasJoswiak%2Flibri" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LukasJoswiak/libri on toolchain 2399cef65c47f346b5fa9df51f48df0acd4a9d85
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2399cef65c47f346b5fa9df51f48df0acd4a9d85" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LukasJoswiak/libri
[INFO] finished tweaking git repo https://github.com/LukasJoswiak/libri
[INFO] tweaked toml for git repo https://github.com/LukasJoswiak/libri written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/LukasJoswiak/libri already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2399cef65c47f346b5fa9df51f48df0acd4a9d85" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking LukasJoswiak/libri against try#2399cef65c47f346b5fa9df51f48df0acd4a9d85 for pr-114571-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukasJoswiak%2Flibri" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LukasJoswiak/libri on toolchain 2399cef65c47f346b5fa9df51f48df0acd4a9d85
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2399cef65c47f346b5fa9df51f48df0acd4a9d85" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LukasJoswiak/libri
[INFO] finished tweaking git repo https://github.com/LukasJoswiak/libri
[INFO] tweaked toml for git repo https://github.com/LukasJoswiak/libri written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/LukasJoswiak/libri already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2399cef65c47f346b5fa9df51f48df0acd4a9d85" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_fs v1.0.7
[INFO] [stderr]   Downloaded configparser v3.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2399cef65c47f346b5fa9df51f48df0acd4a9d85" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84dcf0107d87b9547d4142066c06235bdf5762d423c3d00d8310faaa56b2053b
[INFO] running `Command { std: "docker" "start" "-a" "84dcf0107d87b9547d4142066c06235bdf5762d423c3d00d8310faaa56b2053b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84dcf0107d87b9547d4142066c06235bdf5762d423c3d00d8310faaa56b2053b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84dcf0107d87b9547d4142066c06235bdf5762d423c3d00d8310faaa56b2053b", kill_on_drop: false }`
[INFO] [stdout] 84dcf0107d87b9547d4142066c06235bdf5762d423c3d00d8310faaa56b2053b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2399cef65c47f346b5fa9df51f48df0acd4a9d85" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe947758b2d79d62b1c11885c10c5d577770768515735d5a40590e790c231cbd
[INFO] running `Command { std: "docker" "start" "-a" "fe947758b2d79d62b1c11885c10c5d577770768515735d5a40590e790c231cbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking predicates-core v1.0.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking termtree v0.2.4
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]    Compiling libri v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking predicates-tree v1.0.5
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking pico-args v0.4.2
[INFO] [stderr]     Checking configparser v3.0.0
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking tabwriter v1.2.1
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking predicates v2.1.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking bzip2 v0.4.3
[INFO] [stderr]     Checking assert_fs v1.0.7
[INFO] [stderr]     Checking assert_cmd v2.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/device.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.92s
[INFO] running `Command { std: "docker" "inspect" "fe947758b2d79d62b1c11885c10c5d577770768515735d5a40590e790c231cbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe947758b2d79d62b1c11885c10c5d577770768515735d5a40590e790c231cbd", kill_on_drop: false }`
[INFO] [stdout] fe947758b2d79d62b1c11885c10c5d577770768515735d5a40590e790c231cbd