[INFO] cloning repository https://github.com/rnxpyke/wc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rnxpyke/wc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frnxpyke%2Fwc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frnxpyke%2Fwc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4fc905118568e1cdb16bfc4e1f268022e3ea9a83
[INFO] checking rnxpyke/wc against try#26ad8a85dc4eed299af809e52f278da81e284602 for pr-138458
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frnxpyke%2Fwc" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rnxpyke/wc on toolchain 26ad8a85dc4eed299af809e52f278da81e284602
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+26ad8a85dc4eed299af809e52f278da81e284602" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rnxpyke/wc
[INFO] finished tweaking git repo https://github.com/rnxpyke/wc
[INFO] tweaked toml for git repo https://github.com/rnxpyke/wc written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rnxpyke/wc 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" "+26ad8a85dc4eed299af809e52f278da81e284602" "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 futures-polling v0.1.1
[INFO] [stderr]   Downloaded tokio-uring v0.4.0
[INFO] [stderr]   Downloaded io-uring v0.5.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+26ad8a85dc4eed299af809e52f278da81e284602" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ac6d2a05e1fe069cf14427904c137302534e0ace7ce5a7ac4ef7a37b5f839b7
[INFO] running `Command { std: "docker" "start" "-a" "1ac6d2a05e1fe069cf14427904c137302534e0ace7ce5a7ac4ef7a37b5f839b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ac6d2a05e1fe069cf14427904c137302534e0ace7ce5a7ac4ef7a37b5f839b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ac6d2a05e1fe069cf14427904c137302534e0ace7ce5a7ac4ef7a37b5f839b7", kill_on_drop: false }`
[INFO] [stdout] 1ac6d2a05e1fe069cf14427904c137302534e0ace7ce5a7ac4ef7a37b5f839b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+26ad8a85dc4eed299af809e52f278da81e284602" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0b6c0420f2faedd379db25360aa501760a439c7cebaba1b7bef4adfa7ab9ec8
[INFO] running `Command { std: "docker" "start" "-a" "b0b6c0420f2faedd379db25360aa501760a439c7cebaba1b7bef4adfa7ab9ec8", kill_on_drop: false }`
[INFO] [stderr]     Checking wc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `count_newlines_slice` is never used
[INFO] [stdout]   --> src/lib.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn count_newlines_slice(input: &[u8]) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "b0b6c0420f2faedd379db25360aa501760a439c7cebaba1b7bef4adfa7ab9ec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0b6c0420f2faedd379db25360aa501760a439c7cebaba1b7bef4adfa7ab9ec8", kill_on_drop: false }`
[INFO] [stdout] b0b6c0420f2faedd379db25360aa501760a439c7cebaba1b7bef4adfa7ab9ec8