[INFO] cloning repository https://github.com/omertuc/unb64utf8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/omertuc/unb64utf8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomertuc%2Funb64utf8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomertuc%2Funb64utf8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 662fd9be2e798962c6d5f3877a3b3d2c2682d52f
[INFO] checking omertuc/unb64utf8 against try#3a4cb0edb4040379c037e06efeb5409e44be7b77 for pr-146377
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomertuc%2Funb64utf8" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/omertuc/unb64utf8
[INFO] finished tweaking git repo https://github.com/omertuc/unb64utf8
[INFO] tweaked toml for git repo https://github.com/omertuc/unb64utf8 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/omertuc/unb64utf8 on toolchain 3a4cb0edb4040379c037e06efeb5409e44be7b77
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/omertuc/unb64utf8 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" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "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 omertuc/unb64utf8 against try#3a4cb0edb4040379c037e06efeb5409e44be7b77 for pr-146377
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomertuc%2Funb64utf8" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/omertuc/unb64utf8
[INFO] finished tweaking git repo https://github.com/omertuc/unb64utf8
[INFO] tweaked toml for git repo https://github.com/omertuc/unb64utf8 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/omertuc/unb64utf8 on toolchain 3a4cb0edb4040379c037e06efeb5409e44be7b77
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/omertuc/unb64utf8 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" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "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 base64 v0.21.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b8fcb9a9a046d759405024a021c64c5f0361775a179581cb21924d1b0b7e19e
[INFO] running `Command { std: "docker" "start" "-a" "4b8fcb9a9a046d759405024a021c64c5f0361775a179581cb21924d1b0b7e19e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b8fcb9a9a046d759405024a021c64c5f0361775a179581cb21924d1b0b7e19e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b8fcb9a9a046d759405024a021c64c5f0361775a179581cb21924d1b0b7e19e", kill_on_drop: false }`
[INFO] [stdout] 4b8fcb9a9a046d759405024a021c64c5f0361775a179581cb21924d1b0b7e19e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a33a2b2f3a8f54dcfba656b79bcfd5288878c893b4a1b17418f1f82e41780fca
[INFO] running `Command { std: "docker" "start" "-a" "a33a2b2f3a8f54dcfba656b79bcfd5288878c893b4a1b17418f1f82e41780fca", kill_on_drop: false }`
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]     Checking unb64utf8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "a33a2b2f3a8f54dcfba656b79bcfd5288878c893b4a1b17418f1f82e41780fca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a33a2b2f3a8f54dcfba656b79bcfd5288878c893b4a1b17418f1f82e41780fca", kill_on_drop: false }`
[INFO] [stdout] a33a2b2f3a8f54dcfba656b79bcfd5288878c893b4a1b17418f1f82e41780fca