[INFO] cloning repository https://github.com/SkyArrow256/infix_to_rpn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SkyArrow256/infix_to_rpn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkyArrow256%2Finfix_to_rpn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkyArrow256%2Finfix_to_rpn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f37e61e27e65821f529b7aa2025cb347b5425772
[INFO] checking SkyArrow256/infix_to_rpn against master#08cd08fbef8c6663b052d8d9e4930d5696cbb8a7 for 150662-leaf-spurious
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkyArrow256%2Finfix_to_rpn" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SkyArrow256/infix_to_rpn
[INFO] finished tweaking git repo https://github.com/SkyArrow256/infix_to_rpn
[INFO] tweaked toml for git repo https://github.com/SkyArrow256/infix_to_rpn written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SkyArrow256/infix_to_rpn on toolchain 08cd08fbef8c6663b052d8d9e4930d5696cbb8a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+08cd08fbef8c6663b052d8d9e4930d5696cbb8a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SkyArrow256/infix_to_rpn 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" "+08cd08fbef8c6663b052d8d9e4930d5696cbb8a7" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+08cd08fbef8c6663b052d8d9e4930d5696cbb8a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5b8584add05387bc2d3de03ce9dd1b02c9cf413fde8200fed692be969a116e8
[INFO] running `Command { std: "docker" "start" "-a" "f5b8584add05387bc2d3de03ce9dd1b02c9cf413fde8200fed692be969a116e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5b8584add05387bc2d3de03ce9dd1b02c9cf413fde8200fed692be969a116e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5b8584add05387bc2d3de03ce9dd1b02c9cf413fde8200fed692be969a116e8", kill_on_drop: false }`
[INFO] [stdout] f5b8584add05387bc2d3de03ce9dd1b02c9cf413fde8200fed692be969a116e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+08cd08fbef8c6663b052d8d9e4930d5696cbb8a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57436283c5744a77827e612a64622739d5a98affcbcf7e0598feed37859ed83c
[INFO] running `Command { std: "docker" "start" "-a" "57436283c5744a77827e612a64622739d5a98affcbcf7e0598feed37859ed83c", kill_on_drop: false }`
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking infix-to-postfix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "57436283c5744a77827e612a64622739d5a98affcbcf7e0598feed37859ed83c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57436283c5744a77827e612a64622739d5a98affcbcf7e0598feed37859ed83c", kill_on_drop: false }`
[INFO] [stdout] 57436283c5744a77827e612a64622739d5a98affcbcf7e0598feed37859ed83c