[INFO] cloning repository https://github.com/PyXiion/mdbook-qa
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PyXiion/mdbook-qa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPyXiion%2Fmdbook-qa", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPyXiion%2Fmdbook-qa'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c1c8d72d8c8033428b50d19ba18741f88a5b17a4
[INFO] building PyXiion/mdbook-qa against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPyXiion%2Fmdbook-qa" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/PyXiion/mdbook-qa
[INFO] finished tweaking git repo https://github.com/PyXiion/mdbook-qa
[INFO] tweaked toml for git repo https://github.com/PyXiion/mdbook-qa written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/PyXiion/mdbook-qa on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/PyXiion/mdbook-qa 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f60870038816a76a2e1693acf4ef85c5a014d7ef0e4fd8c6f20ee48890c2e1a8
[INFO] running `Command { std: "docker" "start" "-a" "f60870038816a76a2e1693acf4ef85c5a014d7ef0e4fd8c6f20ee48890c2e1a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f60870038816a76a2e1693acf4ef85c5a014d7ef0e4fd8c6f20ee48890c2e1a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f60870038816a76a2e1693acf4ef85c5a014d7ef0e4fd8c6f20ee48890c2e1a8", kill_on_drop: false }`
[INFO] [stdout] f60870038816a76a2e1693acf4ef85c5a014d7ef0e4fd8c6f20ee48890c2e1a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 056081c701a57510824279955559a7e7e641ab80f939bd41c39acb353ff95b8c
[INFO] running `Command { std: "docker" "start" "-a" "056081c701a57510824279955559a7e7e641ab80f939bd41c39acb353ff95b8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]    Compiling thiserror v1.0.60
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling anstyle-parse v0.2.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling anstyle-query v1.0.3
[INFO] [stderr]    Compiling parking_lot v0.12.2
[INFO] [stderr]    Compiling futf v0.1.5
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling tendril v0.4.3
[INFO] [stderr]    Compiling anstream v0.6.14
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling phf v0.10.1
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling data-encoding v2.6.0
[INFO] [stderr]    Compiling inotify v0.9.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-channel v0.5.12
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling filetime v0.2.23
[INFO] [stderr]    Compiling anyhow v1.0.83
[INFO] [stderr]    Compiling pulldown-cmark v0.10.3
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling headers v0.3.9
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling pulldown-cmark-escape v0.10.1
[INFO] [stderr]    Compiling pathdiff v0.2.1
[INFO] [stderr]    Compiling topological-sort v0.2.2
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling syn v2.0.63
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling notify v6.1.1
[INFO] [stderr]    Compiling chrono v0.4.38
[INFO] [stderr]    Compiling notify-debouncer-mini v0.4.1
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr] error: could not compile `regex-syntax` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name regex_syntax --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.8.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("arbitrary", "default", "std", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment"))' -C metadata=dd961506f245bd18 -C extra-filename=-8de78d0afdb2bf35 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "056081c701a57510824279955559a7e7e641ab80f939bd41c39acb353ff95b8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "056081c701a57510824279955559a7e7e641ab80f939bd41c39acb353ff95b8c", kill_on_drop: false }`
[INFO] [stdout] 056081c701a57510824279955559a7e7e641ab80f939bd41c39acb353ff95b8c