[INFO] fetching crate erg_compiler 0.6.4...
[INFO] checking erg_compiler-0.6.4 against master#d1ac43a9b9a8250d858705b0796dfed6186e18db for pr-107891
[INFO] extracting crate erg_compiler 0.6.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate erg_compiler 0.6.4 on toolchain d1ac43a9b9a8250d858705b0796dfed6186e18db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d1ac43a9b9a8250d858705b0796dfed6186e18db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate erg_compiler 0.6.4
[INFO] finished tweaking crates.io crate erg_compiler 0.6.4
[INFO] tweaked toml for crates.io crate erg_compiler 0.6.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate erg_compiler 0.6.4 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" "+d1ac43a9b9a8250d858705b0796dfed6186e18db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded erg_common v0.6.4
[INFO] [stderr]   Downloaded backtrace-on-stack-overflow v0.2.0
[INFO] [stderr]   Downloaded erg_parser v0.6.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:542af8c9c691278ea8427c9f55ce1005b509eeebcbbcbc893145cd6832507671" "/opt/rustwide/cargo-home/bin/cargo" "+d1ac43a9b9a8250d858705b0796dfed6186e18db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40538e38bb379c721831dc3226d6c5475e2eef58fdb200c2a8889d1d29fa87f8
[INFO] running `Command { std: "docker" "start" "-a" "40538e38bb379c721831dc3226d6c5475e2eef58fdb200c2a8889d1d29fa87f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40538e38bb379c721831dc3226d6c5475e2eef58fdb200c2a8889d1d29fa87f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40538e38bb379c721831dc3226d6c5475e2eef58fdb200c2a8889d1d29fa87f8", kill_on_drop: false }`
[INFO] [stdout] 40538e38bb379c721831dc3226d6c5475e2eef58fdb200c2a8889d1d29fa87f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:542af8c9c691278ea8427c9f55ce1005b509eeebcbbcbc893145cd6832507671" "/opt/rustwide/cargo-home/bin/cargo" "+d1ac43a9b9a8250d858705b0796dfed6186e18db" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8c6ac943ea74400027a7d6545222de13dc16fedcb0dd5c5434b63afb9c0d0a3
[INFO] running `Command { std: "docker" "start" "-a" "f8c6ac943ea74400027a7d6545222de13dc16fedcb0dd5c5434b63afb9c0d0a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling erg_common v0.6.4
[INFO] [stderr]     Checking unicode-xid v0.2.4
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking erg_parser v0.6.4
[INFO] [stderr]    Compiling erg_compiler v0.6.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.63s
[INFO] running `Command { std: "docker" "inspect" "f8c6ac943ea74400027a7d6545222de13dc16fedcb0dd5c5434b63afb9c0d0a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8c6ac943ea74400027a7d6545222de13dc16fedcb0dd5c5434b63afb9c0d0a3", kill_on_drop: false }`
[INFO] [stdout] f8c6ac943ea74400027a7d6545222de13dc16fedcb0dd5c5434b63afb9c0d0a3