[INFO] cloning repository https://github.com/vancha/calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vancha/calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvancha%2Fcalculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvancha%2Fcalculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05696a948a8dcee81fd7a977f53faee2c5ddd3b0
[INFO] checking vancha/calculator against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvancha%2Fcalculator" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vancha/calculator on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vancha/calculator
[INFO] finished tweaking git repo https://github.com/vancha/calculator
[INFO] tweaked toml for git repo https://github.com/vancha/calculator written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/vancha/calculator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] adee28563c15c0407d9ed1571dddcdb703e3500af75f3c39277fcb3ab0f8ad62
[INFO] running `Command { std: "docker" "start" "-a" "adee28563c15c0407d9ed1571dddcdb703e3500af75f3c39277fcb3ab0f8ad62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adee28563c15c0407d9ed1571dddcdb703e3500af75f3c39277fcb3ab0f8ad62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adee28563c15c0407d9ed1571dddcdb703e3500af75f3c39277fcb3ab0f8ad62", kill_on_drop: false }`
[INFO] [stdout] adee28563c15c0407d9ed1571dddcdb703e3500af75f3c39277fcb3ab0f8ad62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18e5af7750d654cf19c11932578dcabdcc181fe4b96584f0b2484534598c8e4d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "18e5af7750d654cf19c11932578dcabdcc181fe4b96584f0b2484534598c8e4d", kill_on_drop: false }`
[INFO] [stderr]     Checking infixtopostfix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `evaluate_postfix_expression`
[INFO] [stdout]    --> src/lib.rs:210:4
[INFO] [stdout]     |
[INFO] [stdout] 210 | fn evaluate_postfix_expression<'a>(postfix: &[&'a str])->f64 {
[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 [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "18e5af7750d654cf19c11932578dcabdcc181fe4b96584f0b2484534598c8e4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18e5af7750d654cf19c11932578dcabdcc181fe4b96584f0b2484534598c8e4d", kill_on_drop: false }`
[INFO] [stdout] 18e5af7750d654cf19c11932578dcabdcc181fe4b96584f0b2484534598c8e4d