[INFO] cloning repository https://github.com/itorest/bg-process
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/itorest/bg-process" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitorest%2Fbg-process", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitorest%2Fbg-process'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 32c9e90a6aa6689863f52dfb96934bf4a735538a
[INFO] checking itorest/bg-process against try#2277c63fa464d237b17b68d3b87f9fbb89e58a3e for pr-133570-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitorest%2Fbg-process" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] fatal: could not create leading directories of '/workspace/builds/worker-3-tc2/source': No space left on device
[INFO] checking itorest/bg-process against try#2277c63fa464d237b17b68d3b87f9fbb89e58a3e for pr-133570-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitorest%2Fbg-process" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] fatal: could not create leading directories of '/workspace/builds/worker-3-tc2/source': No space left on device
[INFO] checking itorest/bg-process against try#2277c63fa464d237b17b68d3b87f9fbb89e58a3e for pr-133570-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitorest%2Fbg-process" "/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/itorest/bg-process on toolchain 2277c63fa464d237b17b68d3b87f9fbb89e58a3e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/itorest/bg-process
[INFO] finished tweaking git repo https://github.com/itorest/bg-process
[INFO] tweaked toml for git repo https://github.com/itorest/bg-process written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/itorest/bg-process 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" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1e85c433fcdf8f9bbec0aa5f17e4bae76a301a10b2b7f40168805db23e5785a
[INFO] running `Command { std: "docker" "start" "-a" "d1e85c433fcdf8f9bbec0aa5f17e4bae76a301a10b2b7f40168805db23e5785a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1e85c433fcdf8f9bbec0aa5f17e4bae76a301a10b2b7f40168805db23e5785a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1e85c433fcdf8f9bbec0aa5f17e4bae76a301a10b2b7f40168805db23e5785a", kill_on_drop: false }`
[INFO] [stdout] d1e85c433fcdf8f9bbec0aa5f17e4bae76a301a10b2b7f40168805db23e5785a
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 752f6c58cabf2ae6e93a8253657617dec109b1e4018550b9f3d2dee074831d33
[INFO] running `Command { std: "docker" "start" "-a" "752f6c58cabf2ae6e93a8253657617dec109b1e4018550b9f3d2dee074831d33", kill_on_drop: false }`
[INFO] [stderr]     Checking bg-process v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |     if let Ok(mut c) = Command::new("ls")
[INFO] [stdout]   |               ----^
[INFO] [stdout]   |               |
[INFO] [stdout]   |               help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |     if let Ok(mut c) = Command::new("ls")
[INFO] [stdout]   |               ----^
[INFO] [stdout]   |               |
[INFO] [stdout]   |               help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "752f6c58cabf2ae6e93a8253657617dec109b1e4018550b9f3d2dee074831d33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "752f6c58cabf2ae6e93a8253657617dec109b1e4018550b9f3d2dee074831d33", kill_on_drop: false }`
[INFO] [stdout] 752f6c58cabf2ae6e93a8253657617dec109b1e4018550b9f3d2dee074831d33