[INFO] fetching crate honcur_art 0.1.0...
[INFO] checking honcur_art-0.1.0 against try#53184dc07942a1944769a9e15fc2cb08c9f62e9d for pr-99197
[INFO] extracting crate honcur_art 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate honcur_art 0.1.0 on toolchain 53184dc07942a1944769a9e15fc2cb08c9f62e9d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+53184dc07942a1944769a9e15fc2cb08c9f62e9d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate honcur_art 0.1.0
[INFO] finished tweaking crates.io crate honcur_art 0.1.0
[INFO] tweaked toml for crates.io crate honcur_art 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate honcur_art 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+53184dc07942a1944769a9e15fc2cb08c9f62e9d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+53184dc07942a1944769a9e15fc2cb08c9f62e9d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a4dd037c22164b25f825360a505aba134779b3cc607408c4e25ae9385fa7e12
[INFO] running `Command { std: "docker" "start" "-a" "5a4dd037c22164b25f825360a505aba134779b3cc607408c4e25ae9385fa7e12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a4dd037c22164b25f825360a505aba134779b3cc607408c4e25ae9385fa7e12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a4dd037c22164b25f825360a505aba134779b3cc607408c4e25ae9385fa7e12", kill_on_drop: false }`
[INFO] [stdout] 5a4dd037c22164b25f825360a505aba134779b3cc607408c4e25ae9385fa7e12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+53184dc07942a1944769a9e15fc2cb08c9f62e9d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2355320af0d06b5207e0b0aff451f066a0a6d92e170bbad39497f839537d1649
[INFO] running `Command { std: "docker" "start" "-a" "2355320af0d06b5207e0b0aff451f066a0a6d92e170bbad39497f839537d1649", kill_on_drop: false }`
[INFO] [stderr]     Checking honcur_art v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/lib.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> src/lib.rs:40:34
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/lib.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> src/lib.rs:40:34
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "2355320af0d06b5207e0b0aff451f066a0a6d92e170bbad39497f839537d1649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2355320af0d06b5207e0b0aff451f066a0a6d92e170bbad39497f839537d1649", kill_on_drop: false }`
[INFO] [stdout] 2355320af0d06b5207e0b0aff451f066a0a6d92e170bbad39497f839537d1649