[INFO] fetching crate rtthost 0.20.0...
[INFO] checking rtthost-0.20.0 against try#77c31533f5de739620341d1e55d79a35cbb15b78 for pr-114567
[INFO] extracting crate rtthost 0.20.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate rtthost 0.20.0 on toolchain 77c31533f5de739620341d1e55d79a35cbb15b78
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+77c31533f5de739620341d1e55d79a35cbb15b78" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rtthost 0.20.0
[INFO] finished tweaking crates.io crate rtthost 0.20.0
[INFO] tweaked toml for crates.io crate rtthost 0.20.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate rtthost 0.20.0 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" "+77c31533f5de739620341d1e55d79a35cbb15b78" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:84cb280c7acaf12c1f874411053406050a24f846e52f817d4d9e64bcbe5ce959" "/opt/rustwide/cargo-home/bin/cargo" "+77c31533f5de739620341d1e55d79a35cbb15b78" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f82a00e0877b382e37fb0d672851f739a17002f10aa4e4981dc979b0b955f8ed
[INFO] running `Command { std: "docker" "start" "-a" "f82a00e0877b382e37fb0d672851f739a17002f10aa4e4981dc979b0b955f8ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f82a00e0877b382e37fb0d672851f739a17002f10aa4e4981dc979b0b955f8ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f82a00e0877b382e37fb0d672851f739a17002f10aa4e4981dc979b0b955f8ed", kill_on_drop: false }`
[INFO] [stdout] f82a00e0877b382e37fb0d672851f739a17002f10aa4e4981dc979b0b955f8ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:84cb280c7acaf12c1f874411053406050a24f846e52f817d4d9e64bcbe5ce959" "/opt/rustwide/cargo-home/bin/cargo" "+77c31533f5de739620341d1e55d79a35cbb15b78" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d073b11082bb94f531239c42dab613241ee8ef5f9145c313c7baa3a47df3464d
[INFO] running `Command { std: "docker" "start" "-a" "d073b11082bb94f531239c42dab613241ee8ef5f9145c313c7baa3a47df3464d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.174
[INFO] [stderr]    Compiling serde_derive v1.0.174
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling quote v1.0.31
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling semver v1.0.18
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling winnow v0.5.0
[INFO] [stderr]    Compiling toml_datetime v0.6.3
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking regex-automata v0.3.3
[INFO] [stderr]    Compiling libusb1-sys v0.6.4
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]    Compiling indexmap v2.0.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]     Checking lock_api v0.4.10
[INFO] [stderr]     Checking object v0.31.1
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling hidapi v2.4.1
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling base64 v0.21.2
[INFO] [stderr]    Compiling rusb v0.9.2
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.9
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking is_ci v1.1.1
[INFO] [stderr]    Compiling toml_edit v0.19.14
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]     Checking supports-color v2.0.0
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking parse_int v0.6.0
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]     Checking supports-unicode v2.0.0
[INFO] [stderr]     Checking supports-hyperlinks v2.1.0
[INFO] [stderr]     Checking zero v0.1.3
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling paste v1.0.14
[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/77c31533f5de739620341d1e55d79a35cbb15b78/bin/rustc --crate-name regex_syntax --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-syntax-0.7.4/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 --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"' -C metadata=b5aa7aa86b166673 -C extra-filename=-b5aa7aa86b166673 --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" "d073b11082bb94f531239c42dab613241ee8ef5f9145c313c7baa3a47df3464d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d073b11082bb94f531239c42dab613241ee8ef5f9145c313c7baa3a47df3464d", kill_on_drop: false }`
[INFO] [stdout] d073b11082bb94f531239c42dab613241ee8ef5f9145c313c7baa3a47df3464d