[INFO] cloning repository https://github.com/misssonder/calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/misssonder/calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmisssonder%2Fcalculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmisssonder%2Fcalculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ba06f1cc633cdc5b819ef2446117ee3c54e9bb4
[INFO] checking misssonder/calculator against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmisssonder%2Fcalculator" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/misssonder/calculator on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/misssonder/calculator
[INFO] finished tweaking git repo https://github.com/misssonder/calculator
[INFO] tweaked toml for git repo https://github.com/misssonder/calculator written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/misssonder/calculator 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] [stderr]     Updating calculator-rs v0.1.1 (/workspace/builds/worker-1-tc1/source) -> v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9106409bad398d76075fe6acbe0abdab183451f3b127a4f04e4fbe5c5eac96a3
[INFO] running `Command { std: "docker" "start" "-a" "9106409bad398d76075fe6acbe0abdab183451f3b127a4f04e4fbe5c5eac96a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9106409bad398d76075fe6acbe0abdab183451f3b127a4f04e4fbe5c5eac96a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9106409bad398d76075fe6acbe0abdab183451f3b127a4f04e4fbe5c5eac96a3", kill_on_drop: false }`
[INFO] [stdout] 9106409bad398d76075fe6acbe0abdab183451f3b127a4f04e4fbe5c5eac96a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b75bff7ee5d083645d9447187aadf12d797b03b1f343cdc5a356e694c0f9e1a
[INFO] running `Command { std: "docker" "start" "-a" "2b75bff7ee5d083645d9447187aadf12d797b03b1f343cdc5a356e694c0f9e1a", kill_on_drop: false }`
[INFO] [stderr]     Checking calculator-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `augment` is never used
[INFO] [stdout]    --> src/parse.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 103 | trait Operator: Sized {
[INFO] [stdout]     |       -------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn augment(self, parser: &mut Parser) -> Result<Self>;
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `augment` is never used
[INFO] [stdout]    --> src/parse.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 103 | trait Operator: Sized {
[INFO] [stdout]     |       -------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn augment(self, parser: &mut Parser) -> Result<Self>;
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "2b75bff7ee5d083645d9447187aadf12d797b03b1f343cdc5a356e694c0f9e1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b75bff7ee5d083645d9447187aadf12d797b03b1f343cdc5a356e694c0f9e1a", kill_on_drop: false }`
[INFO] [stdout] 2b75bff7ee5d083645d9447187aadf12d797b03b1f343cdc5a356e694c0f9e1a