[INFO] cloning repository https://github.com/JonasKruckenberg/buck2_buildbuddy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JonasKruckenberg/buck2_buildbuddy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonasKruckenberg%2Fbuck2_buildbuddy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonasKruckenberg%2Fbuck2_buildbuddy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c585211e89eff47b69da8b88623a8e70463b5a21
[INFO] checking JonasKruckenberg/buck2_buildbuddy/c585211e89eff47b69da8b88623a8e70463b5a21 against master#31a9463c6e2794a59ce57a8f37abc6966afc2a58 for pr-156807
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonasKruckenberg%2Fbuck2_buildbuddy" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JonasKruckenberg/buck2_buildbuddy
[INFO] finished tweaking git repo https://github.com/JonasKruckenberg/buck2_buildbuddy
[INFO] tweaked toml for git repo https://github.com/JonasKruckenberg/buck2_buildbuddy written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JonasKruckenberg/buck2_buildbuddy on toolchain 31a9463c6e2794a59ce57a8f37abc6966afc2a58
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31a9463c6e2794a59ce57a8f37abc6966afc2a58" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JonasKruckenberg/buck2_buildbuddy 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" "+31a9463c6e2794a59ce57a8f37abc6966afc2a58" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tonic-build v0.14.5
[INFO] [stderr]   Downloaded prost-build v0.14.3
[INFO] [stderr]   Downloaded tonic-prost-build v0.14.5
[INFO] [stderr]   Downloaded pulldown-cmark-to-cmark v22.0.0
[INFO] [stderr]   Downloaded pulldown-cmark v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+31a9463c6e2794a59ce57a8f37abc6966afc2a58" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63eb2be29b17a704233502763cdae122a81d3f250e4a10f9b5b8993f587997ff
[INFO] running `Command { std: "docker" "start" "-a" "63eb2be29b17a704233502763cdae122a81d3f250e4a10f9b5b8993f587997ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63eb2be29b17a704233502763cdae122a81d3f250e4a10f9b5b8993f587997ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63eb2be29b17a704233502763cdae122a81d3f250e4a10f9b5b8993f587997ff", kill_on_drop: false }`
[INFO] [stdout] 63eb2be29b17a704233502763cdae122a81d3f250e4a10f9b5b8993f587997ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+31a9463c6e2794a59ce57a8f37abc6966afc2a58" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0dde5388b98229e41f3cb14571e77e9459894be71e3e5fcf624bb89527bad58
[INFO] running `Command { std: "docker" "start" "-a" "b0dde5388b98229e41f3cb14571e77e9459894be71e3e5fcf624bb89527bad58", kill_on_drop: false }`
[INFO] [stderr] error: can't find bin `_main` at path `/opt/rustwide/workdir/_main.rs`
[INFO] [stderr]  --> /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr] error: can't find bin `_main` at path `/opt/rustwide/workdir/_main.rs`
[INFO] [stderr]  --> /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr] error: could not compile due to 2 previous target resolution errors
[INFO] running `Command { std: "docker" "inspect" "b0dde5388b98229e41f3cb14571e77e9459894be71e3e5fcf624bb89527bad58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0dde5388b98229e41f3cb14571e77e9459894be71e3e5fcf624bb89527bad58", kill_on_drop: false }`
[INFO] [stdout] b0dde5388b98229e41f3cb14571e77e9459894be71e3e5fcf624bb89527bad58