[INFO] cloning repository https://github.com/gbrls/catita
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gbrls/catita" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgbrls%2Fcatita", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgbrls%2Fcatita'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e145e1a750ef26abdb205057f30fd4a83bcbae34
[INFO] checking gbrls/catita against master#d2e8ecd8bd26a22111cdebfb813258450b07fbf0 for pr-121199
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgbrls%2Fcatita" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gbrls/catita on toolchain d2e8ecd8bd26a22111cdebfb813258450b07fbf0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d2e8ecd8bd26a22111cdebfb813258450b07fbf0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gbrls/catita
[INFO] finished tweaking git repo https://github.com/gbrls/catita
[INFO] tweaked toml for git repo https://github.com/gbrls/catita written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gbrls/catita 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" "+d2e8ecd8bd26a22111cdebfb813258450b07fbf0" "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 gbrls/catita against try#aface909a877127f24c62858518cef2d593e2ea1 for pr-121199
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgbrls%2Fcatita" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gbrls/catita on toolchain aface909a877127f24c62858518cef2d593e2ea1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aface909a877127f24c62858518cef2d593e2ea1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gbrls/catita
[INFO] finished tweaking git repo https://github.com/gbrls/catita
[INFO] tweaked toml for git repo https://github.com/gbrls/catita written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/gbrls/catita 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" "+aface909a877127f24c62858518cef2d593e2ea1" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+aface909a877127f24c62858518cef2d593e2ea1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 505bb53c4472ea85534b763a7f139b9d4b7ea91f0859429595593e782b3f55f4
[INFO] running `Command { std: "docker" "start" "-a" "505bb53c4472ea85534b763a7f139b9d4b7ea91f0859429595593e782b3f55f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "505bb53c4472ea85534b763a7f139b9d4b7ea91f0859429595593e782b3f55f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "505bb53c4472ea85534b763a7f139b9d4b7ea91f0859429595593e782b3f55f4", kill_on_drop: false }`
[INFO] [stdout] 505bb53c4472ea85534b763a7f139b9d4b7ea91f0859429595593e782b3f55f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+aface909a877127f24c62858518cef2d593e2ea1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ee9bf7227bcbd812ec7ffb2f423261b58161529c886f9ba9a85f688bf55fe33
[INFO] running `Command { std: "docker" "start" "-a" "8ee9bf7227bcbd812ec7ffb2f423261b58161529c886f9ba9a85f688bf55fe33", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking catita v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]  --> src/examples.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let program = Seq(vec![Syscall(
[INFO] [stdout]   |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exit` is never used
[INFO] [stdout]  --> src/examples.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn exit() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "8ee9bf7227bcbd812ec7ffb2f423261b58161529c886f9ba9a85f688bf55fe33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ee9bf7227bcbd812ec7ffb2f423261b58161529c886f9ba9a85f688bf55fe33", kill_on_drop: false }`
[INFO] [stdout] 8ee9bf7227bcbd812ec7ffb2f423261b58161529c886f9ba9a85f688bf55fe33