[INFO] cloning repository https://github.com/peterkov/top_cpu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/peterkov/top_cpu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterkov%2Ftop_cpu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterkov%2Ftop_cpu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bac94f0872915c38d09ad54cfcd1f2a9d32e50f0
[INFO] checking peterkov/top_cpu against try#a0cd57eba5d417638d3351ba13fc414ad1a24bec for pr-134688-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterkov%2Ftop_cpu" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/peterkov/top_cpu on toolchain a0cd57eba5d417638d3351ba13fc414ad1a24bec
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a0cd57eba5d417638d3351ba13fc414ad1a24bec" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/peterkov/top_cpu
[INFO] finished tweaking git repo https://github.com/peterkov/top_cpu
[INFO] tweaked toml for git repo https://github.com/peterkov/top_cpu written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/peterkov/top_cpu 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" "+a0cd57eba5d417638d3351ba13fc414ad1a24bec" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+a0cd57eba5d417638d3351ba13fc414ad1a24bec" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8297560afb91b9e3df5d8c053d7173f3bc58471a0bb59bb6d720283bf78374c2
[INFO] running `Command { std: "docker" "start" "-a" "8297560afb91b9e3df5d8c053d7173f3bc58471a0bb59bb6d720283bf78374c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8297560afb91b9e3df5d8c053d7173f3bc58471a0bb59bb6d720283bf78374c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8297560afb91b9e3df5d8c053d7173f3bc58471a0bb59bb6d720283bf78374c2", kill_on_drop: false }`
[INFO] [stdout] 8297560afb91b9e3df5d8c053d7173f3bc58471a0bb59bb6d720283bf78374c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+a0cd57eba5d417638d3351ba13fc414ad1a24bec" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50298839696c444d17852e9d77f2c003cc0daa36eff82b750a119d1b5a5f9384
[INFO] running `Command { std: "docker" "start" "-a" "50298839696c444d17852e9d77f2c003cc0daa36eff82b750a119d1b5a5f9384", kill_on_drop: false }`
[INFO] [stderr]     Checking top_cpu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `pid` and `user` are never read
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Process<'a> {
[INFO] [stdout]   |        ------- fields in this struct
[INFO] [stdout] 4 |     pid:  &'a str,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 5 |     gid: &'a str,
[INFO] [stdout] 6 |     user: &'a str,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Process` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pid` and `user` are never read
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Process<'a> {
[INFO] [stdout]   |        ------- fields in this struct
[INFO] [stdout] 4 |     pid:  &'a str,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 5 |     gid: &'a str,
[INFO] [stdout] 6 |     user: &'a str,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Process` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "50298839696c444d17852e9d77f2c003cc0daa36eff82b750a119d1b5a5f9384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50298839696c444d17852e9d77f2c003cc0daa36eff82b750a119d1b5a5f9384", kill_on_drop: false }`
[INFO] [stdout] 50298839696c444d17852e9d77f2c003cc0daa36eff82b750a119d1b5a5f9384