[INFO] cloning repository https://github.com/jrvidal/r5.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jrvidal/r5.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrvidal%2Fr5.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrvidal%2Fr5.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae715768cf6c46ab228ede11aaddbb7f8f428260
[INFO] checking jrvidal/r5.rs against master#6f40082313d8374bdf962aba943a712d5322fae6 for pr-117967
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrvidal%2Fr5.rs" "/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/jrvidal/r5.rs on toolchain 6f40082313d8374bdf962aba943a712d5322fae6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6f40082313d8374bdf962aba943a712d5322fae6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jrvidal/r5.rs
[INFO] finished tweaking git repo https://github.com/jrvidal/r5.rs
[INFO] tweaked toml for git repo https://github.com/jrvidal/r5.rs written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jrvidal/r5.rs 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" "+6f40082313d8374bdf962aba943a712d5322fae6" "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 jrvidal/r5.rs against try#57fd74335bb14b59b719dc3cc5bc4257e73f33ce for pr-117967
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrvidal%2Fr5.rs" "/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/jrvidal/r5.rs on toolchain 57fd74335bb14b59b719dc3cc5bc4257e73f33ce
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fd74335bb14b59b719dc3cc5bc4257e73f33ce" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jrvidal/r5.rs
[INFO] finished tweaking git repo https://github.com/jrvidal/r5.rs
[INFO] tweaked toml for git repo https://github.com/jrvidal/r5.rs written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jrvidal/r5.rs 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" "+57fd74335bb14b59b719dc3cc5bc4257e73f33ce" "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 serde_json v1.0.9
[INFO] [stderr] Downloaded gc v0.3.2
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fd74335bb14b59b719dc3cc5bc4257e73f33ce" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3079d8f1e518e54deaa948c94a827f25b37e3fe9a50a61b2468966112736f73
[INFO] running `Command { std: "docker" "start" "-a" "d3079d8f1e518e54deaa948c94a827f25b37e3fe9a50a61b2468966112736f73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3079d8f1e518e54deaa948c94a827f25b37e3fe9a50a61b2468966112736f73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3079d8f1e518e54deaa948c94a827f25b37e3fe9a50a61b2468966112736f73", kill_on_drop: false }`
[INFO] [stdout] d3079d8f1e518e54deaa948c94a827f25b37e3fe9a50a61b2468966112736f73
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fd74335bb14b59b719dc3cc5bc4257e73f33ce" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c12127d75e0316cd32d2c5939bb61ca9db2e23b12253b7775c3acbc052a9116
[INFO] running `Command { std: "docker" "start" "-a" "3c12127d75e0316cd32d2c5939bb61ca9db2e23b12253b7775c3acbc052a9116", kill_on_drop: false }`
[INFO] [stderr] Checking libc v0.2.36
[INFO] [stderr] Checking void v1.0.2
[INFO] [stderr] Checking ucd-util v0.1.1
[INFO] [stderr] Compiling regex v1.0.0
[INFO] [stderr] Checking utf8-ranges v1.0.0
[INFO] [stderr] Checking cfg-if v0.1.2
[INFO] [stderr] Checking quick-error v1.2.1
[INFO] [stderr] Checking bitflags v0.4.0
[INFO] [stderr] Checking encode_unicode v0.1.3
[INFO] [stderr] Checking termcolor v0.3.6
[INFO] [stderr] Checking unicode-width v0.1.4
[INFO] [stderr] Checking gc v0.3.2
[INFO] [stderr] Checking unreachable v1.0.0
[INFO] [stderr] Checking log v0.4.1
[INFO] [stderr] Checking humantime v1.1.1
[INFO] [stderr] Checking regex-syntax v0.6.0
[INFO] [stderr] Checking thread_local v0.3.5
[INFO] [stderr] Checking memchr v2.0.1
[INFO] [stderr] Checking atty v0.2.10
[INFO] [stderr] Checking nix v0.5.1
[INFO] [stderr] Checking aho-corasick v0.6.4
[INFO] [stderr] Checking rustyline v1.0.0
[INFO] [stderr] Checking env_logger v0.5.10
[INFO] [stderr] Checking r5rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout] --> src/compiler/mod.rs:771:20
[INFO] [stdout] |
[INFO] [stdout] 771 | ) -> Result