[INFO] cloning repository https://github.com/Keshyu/dumb-terminal-calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Keshyu/dumb-terminal-calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeshyu%2Fdumb-terminal-calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeshyu%2Fdumb-terminal-calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d09cbb10549c341ee5877f21e9cad06730d23f9d
[INFO] checking Keshyu/dumb-terminal-calculator against try#1f308f12738d8cc40bb23bf0c8114b37c164bb49 for pr-137268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeshyu%2Fdumb-terminal-calculator" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Keshyu/dumb-terminal-calculator on toolchain 1f308f12738d8cc40bb23bf0c8114b37c164bb49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Keshyu/dumb-terminal-calculator
[INFO] finished tweaking git repo https://github.com/Keshyu/dumb-terminal-calculator
[INFO] tweaked toml for git repo https://github.com/Keshyu/dumb-terminal-calculator written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Keshyu/dumb-terminal-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" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "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 gcd v2.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3863ec1e61fe9ed64b6c06849cba0d4693d05a1e79606c776829a0425df5b0c
[INFO] running `Command { std: "docker" "start" "-a" "d3863ec1e61fe9ed64b6c06849cba0d4693d05a1e79606c776829a0425df5b0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3863ec1e61fe9ed64b6c06849cba0d4693d05a1e79606c776829a0425df5b0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3863ec1e61fe9ed64b6c06849cba0d4693d05a1e79606c776829a0425df5b0c", kill_on_drop: false }`
[INFO] [stdout] d3863ec1e61fe9ed64b6c06849cba0d4693d05a1e79606c776829a0425df5b0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8ecf87f09325540b6dd74b272b1eb4a671714546c124e18f5488235e9134bb9
[INFO] running `Command { std: "docker" "start" "-a" "c8ecf87f09325540b6dd74b272b1eb4a671714546c124e18f5488235e9134bb9", kill_on_drop: false }`
[INFO] [stderr]     Checking gcd v2.0.1
[INFO] [stderr]     Checking dumb_calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::token::Token`
[INFO] [stdout]  --> src/reducer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::token::Token;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::token::Token`
[INFO] [stdout]  --> src/reducer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::token::Token;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "c8ecf87f09325540b6dd74b272b1eb4a671714546c124e18f5488235e9134bb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8ecf87f09325540b6dd74b272b1eb4a671714546c124e18f5488235e9134bb9", kill_on_drop: false }`
[INFO] [stdout] c8ecf87f09325540b6dd74b272b1eb4a671714546c124e18f5488235e9134bb9