[INFO] cloning repository https://github.com/peat/pcpu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/peat/pcpu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeat%2Fpcpu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeat%2Fpcpu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bad5d9339df580fc237fda7e327da8ed10d2c564
[INFO] checking peat/pcpu against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeat%2Fpcpu" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/peat/pcpu on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/peat/pcpu
[INFO] finished tweaking git repo https://github.com/peat/pcpu
[INFO] tweaked toml for git repo https://github.com/peat/pcpu written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/peat/pcpu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a66b452c4a0007ec8942c80b368cf31f61ef199b66c7b865a4ec51f761486176
[INFO] running `Command { std: "docker" "start" "-a" "a66b452c4a0007ec8942c80b368cf31f61ef199b66c7b865a4ec51f761486176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a66b452c4a0007ec8942c80b368cf31f61ef199b66c7b865a4ec51f761486176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a66b452c4a0007ec8942c80b368cf31f61ef199b66c7b865a4ec51f761486176", kill_on_drop: false }`
[INFO] [stdout] a66b452c4a0007ec8942c80b368cf31f61ef199b66c7b865a4ec51f761486176
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88ec5f91c213573f4b18b4494532db22c8c103ea59ef2f19154bf4463a81f93f
[INFO] running `Command { std: "docker" "start" "-a" "88ec5f91c213573f4b18b4494532db22c8c103ea59ef2f19154bf4463a81f93f", kill_on_drop: false }`
[INFO] [stderr]     Checking pcpu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `NAND`
[INFO] [stdout]  --> src/gates.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     NAND,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NOR`
[INFO] [stdout]  --> src/gates.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     NOR,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `XNOR`
[INFO] [stdout]  --> src/gates.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     XNOR,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NAND`
[INFO] [stdout]  --> src/gates.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     NAND,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NOR`
[INFO] [stdout]  --> src/gates.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     NOR,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `XNOR`
[INFO] [stdout]  --> src/gates.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     XNOR,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "88ec5f91c213573f4b18b4494532db22c8c103ea59ef2f19154bf4463a81f93f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88ec5f91c213573f4b18b4494532db22c8c103ea59ef2f19154bf4463a81f93f", kill_on_drop: false }`
[INFO] [stdout] 88ec5f91c213573f4b18b4494532db22c8c103ea59ef2f19154bf4463a81f93f