[INFO] fetching crate erg_compiler 0.6.53...
[INFO] testing erg_compiler-0.6.53 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate erg_compiler 0.6.53 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate erg_compiler 0.6.53
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate erg_compiler 0.6.53
[INFO] tweaked toml for crates.io crate erg_compiler 0.6.53 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate erg_compiler 0.6.53 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 erg_compiler 0.6.53 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded backtrace-on-stack-overflow v0.3.0
[INFO] [stderr]   Downloaded erg_proc_macros v0.6.53
[INFO] [stderr]   Downloaded erg_parser v0.6.53
[INFO] [stderr]   Downloaded erg_common v0.6.53
[INFO] [stderr]   Downloaded w-boson v0.1.0
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6da33165651831d3a7b3c7c0bc4ab9217c44648c7c40117916fde0246364b33d
[INFO] running `Command { std: "docker" "start" "-a" "6da33165651831d3a7b3c7c0bc4ab9217c44648c7c40117916fde0246364b33d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6da33165651831d3a7b3c7c0bc4ab9217c44648c7c40117916fde0246364b33d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6da33165651831d3a7b3c7c0bc4ab9217c44648c7c40117916fde0246364b33d", kill_on_drop: false }`
[INFO] [stdout] 6da33165651831d3a7b3c7c0bc4ab9217c44648c7c40117916fde0246364b33d
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 906c82f5422ffafdc52942efda31e0dc5291c928bab1ab0920e92662dcac9f60
[INFO] running `Command { std: "docker" "start" "-a" "906c82f5422ffafdc52942efda31e0dc5291c928bab1ab0920e92662dcac9f60", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.97
[INFO] [stderr]    Compiling erg_common v0.6.53
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling erg_proc_macros v0.6.53
[INFO] [stderr]    Compiling erg_compiler v0.6.53 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling erg_parser v0.6.53
[INFO] [stderr] error: could not compile `erg_compiler` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/bin/rustc --crate-name erg_compiler --edition=2021 lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type cdylib --crate-type rlib --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="parallel"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("backtrace", "debug", "default", "els", "experimental", "full-repl", "gal", "japanese", "large_thread", "log-level-error", "no_std", "parallel", "pretty", "py_compat", "pylib", "pylib_compiler", "simplified_chinese", "traditional_chinese", "unicode"))' -C metadata=42945be6847decd4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern erg_common=/opt/rustwide/target/debug/deps/liberg_common-71ebfba3d49bda75.rlib --extern erg_parser=/opt/rustwide/target/debug/deps/liberg_parser-fd5965821575f1b2.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "906c82f5422ffafdc52942efda31e0dc5291c928bab1ab0920e92662dcac9f60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "906c82f5422ffafdc52942efda31e0dc5291c928bab1ab0920e92662dcac9f60", kill_on_drop: false }`
[INFO] [stdout] 906c82f5422ffafdc52942efda31e0dc5291c928bab1ab0920e92662dcac9f60