[INFO] fetching crate buck2 0.1.1...
[INFO] testing buck2-0.1.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate buck2 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate buck2 0.1.1
[INFO] finished tweaking crates.io crate buck2 0.1.1
[INFO] tweaked toml for crates.io crate buck2 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate buck2 0.1.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate buck2 0.1.1 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 368ebcda9a4461a2e645f510cecadd8c0f796b76d6f49e2931df76da6c1ae792
[INFO] running `Command { std: "docker" "start" "-a" "368ebcda9a4461a2e645f510cecadd8c0f796b76d6f49e2931df76da6c1ae792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "368ebcda9a4461a2e645f510cecadd8c0f796b76d6f49e2931df76da6c1ae792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "368ebcda9a4461a2e645f510cecadd8c0f796b76d6f49e2931df76da6c1ae792", kill_on_drop: false }`
[INFO] [stdout] 368ebcda9a4461a2e645f510cecadd8c0f796b76d6f49e2931df76da6c1ae792
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01f2d30815709ef0f0212d0ab8f106169146ee1fe7188d4f7d04d9bf560c808b
[INFO] running `Command { std: "docker" "start" "-a" "01f2d30815709ef0f0212d0ab8f106169146ee1fe7188d4f7d04d9bf560c808b", kill_on_drop: false }`
[INFO] [stderr]    Compiling buck2 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected item, found `@`
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | @
[INFO] [stdout]   | ^ expected item
[INFO] [stdout]   |
[INFO] [stdout]   = note: for a full list of items that can appear in modules, see <https://doc.rust-lang.org/reference/items.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `buck2` (bin "buck2") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "01f2d30815709ef0f0212d0ab8f106169146ee1fe7188d4f7d04d9bf560c808b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01f2d30815709ef0f0212d0ab8f106169146ee1fe7188d4f7d04d9bf560c808b", kill_on_drop: false }`
[INFO] [stdout] 01f2d30815709ef0f0212d0ab8f106169146ee1fe7188d4f7d04d9bf560c808b