[INFO] cloning repository https://github.com/jijinbei/covariant
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jijinbei/covariant" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjijinbei%2Fcovariant", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjijinbei%2Fcovariant'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01f5dd0e21b7650cda63d796dd5f5f2e9ef6a332
[INFO] checking jijinbei/covariant against try#6284d7b4bd27983dba388146648ab844ca7d032f for pr-152971
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjijinbei%2Fcovariant" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jijinbei/covariant
[INFO] finished tweaking git repo https://github.com/jijinbei/covariant
[INFO] tweaked toml for git repo https://github.com/jijinbei/covariant written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jijinbei/covariant on toolchain 6284d7b4bd27983dba388146648ab844ca7d032f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jijinbei/covariant 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" "+6284d7b4bd27983dba388146648ab844ca7d032f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a5a0820e90858903b58199e677a583fd336544b4e90252761041724b6bfd337
[INFO] running `Command { std: "docker" "start" "-a" "8a5a0820e90858903b58199e677a583fd336544b4e90252761041724b6bfd337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a5a0820e90858903b58199e677a583fd336544b4e90252761041724b6bfd337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a5a0820e90858903b58199e677a583fd336544b4e90252761041724b6bfd337", kill_on_drop: false }`
[INFO] [stdout] 8a5a0820e90858903b58199e677a583fd336544b4e90252761041724b6bfd337
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc8f5dee9b09113aa2b407815702e9308b35b0972409d1519f421da3de04ecfb
[INFO] running `Command { std: "docker" "start" "-a" "dc8f5dee9b09113aa2b407815702e9308b35b0972409d1519f421da3de04ecfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]    Compiling cgmath v0.18.0
[INFO] [stderr]    Compiling xml-rs v0.8.28
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling cc v1.2.55
[INFO] [stderr]    Compiling regex-syntax v0.8.9
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking simd-adler32 v0.3.8
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]     Checking array-macro v2.1.8
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]    Compiling branches v0.3.0
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rclite v0.2.8
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking flate2 v1.1.9
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking lz4_flex v0.7.5
[INFO] [stderr]     Checking robust v1.2.0
[INFO] [stderr]     Checking iana-time-zone v0.1.65
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]     Checking chrono v0.4.43
[INFO] [stderr]     Checking spade v2.15.0
[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/6284d7b4bd27983dba388146648ab844ca7d032f/bin/rustc --crate-name regex_syntax --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.8.9/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 --allow=unexpected_cfgs --check-cfg 'cfg(docsrs_regex)' --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=57ab96421927b0af -C extra-filename=-3c139c9abef78377 --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" "dc8f5dee9b09113aa2b407815702e9308b35b0972409d1519f421da3de04ecfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc8f5dee9b09113aa2b407815702e9308b35b0972409d1519f421da3de04ecfb", kill_on_drop: false }`
[INFO] [stdout] dc8f5dee9b09113aa2b407815702e9308b35b0972409d1519f421da3de04ecfb