[INFO] cloning repository https://github.com/cyqsimon/countdown-numbers-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cyqsimon/countdown-numbers-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyqsimon%2Fcountdown-numbers-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyqsimon%2Fcountdown-numbers-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 026a5cd6f019831188793ec679180063cb96f8a9
[INFO] checking cyqsimon/countdown-numbers-solver against master#e1ac0fa95ba15221ee195647cb12464df3164513 for pr-126090
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyqsimon%2Fcountdown-numbers-solver" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cyqsimon/countdown-numbers-solver on toolchain e1ac0fa95ba15221ee195647cb12464df3164513
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e1ac0fa95ba15221ee195647cb12464df3164513" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cyqsimon/countdown-numbers-solver
[INFO] finished tweaking git repo https://github.com/cyqsimon/countdown-numbers-solver
[INFO] tweaked toml for git repo https://github.com/cyqsimon/countdown-numbers-solver written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cyqsimon/countdown-numbers-solver 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" "+e1ac0fa95ba15221ee195647cb12464df3164513" "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 cyqsimon/countdown-numbers-solver against try#09fa13185567a1d9c37905d6a4a2ea56e7f44efc for pr-126090
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyqsimon%2Fcountdown-numbers-solver" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cyqsimon/countdown-numbers-solver on toolchain 09fa13185567a1d9c37905d6a4a2ea56e7f44efc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09fa13185567a1d9c37905d6a4a2ea56e7f44efc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cyqsimon/countdown-numbers-solver
[INFO] finished tweaking git repo https://github.com/cyqsimon/countdown-numbers-solver
[INFO] tweaked toml for git repo https://github.com/cyqsimon/countdown-numbers-solver written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cyqsimon/countdown-numbers-solver 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" "+09fa13185567a1d9c37905d6a4a2ea56e7f44efc" "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 clap v3.0.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+09fa13185567a1d9c37905d6a4a2ea56e7f44efc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e63830add797921466e7755361c2297ea28bd6f57316954a0b0add4ca827a49
[INFO] running `Command { std: "docker" "start" "-a" "6e63830add797921466e7755361c2297ea28bd6f57316954a0b0add4ca827a49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e63830add797921466e7755361c2297ea28bd6f57316954a0b0add4ca827a49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e63830add797921466e7755361c2297ea28bd6f57316954a0b0add4ca827a49", kill_on_drop: false }`
[INFO] [stdout] 6e63830add797921466e7755361c2297ea28bd6f57316954a0b0add4ca827a49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+09fa13185567a1d9c37905d6a4a2ea56e7f44efc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8af56c9e22a03160d8e0b7146909bc7788ca1427ba6aab74d2d2eed94006816c
[INFO] running `Command { std: "docker" "start" "-a" "8af56c9e22a03160d8e0b7146909bc7788ca1427ba6aab74d2d2eed94006816c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.0.6
[INFO] [stderr]    Compiling strum_macros v0.23.1
[INFO] [stderr]     Checking strum v0.23.0
[INFO] [stderr]     Checking clap v3.0.9
[INFO] [stderr]     Checking countdown-numbers-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.32s
[INFO] running `Command { std: "docker" "inspect" "8af56c9e22a03160d8e0b7146909bc7788ca1427ba6aab74d2d2eed94006816c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8af56c9e22a03160d8e0b7146909bc7788ca1427ba6aab74d2d2eed94006816c", kill_on_drop: false }`
[INFO] [stdout] 8af56c9e22a03160d8e0b7146909bc7788ca1427ba6aab74d2d2eed94006816c