[INFO] cloning repository https://github.com/MalteHerrmann/proposer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MalteHerrmann/proposer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalteHerrmann%2Fproposer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalteHerrmann%2Fproposer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ef077d4a3aaac7cd59dee30516b4f0845fdb1e5
[INFO] building MalteHerrmann/proposer against try#58b1b3c5342a414c161338871f8004258ccef2a7 for pr-149937
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalteHerrmann%2Fproposer" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MalteHerrmann/proposer
[INFO] finished tweaking git repo https://github.com/MalteHerrmann/proposer
[INFO] tweaked toml for git repo https://github.com/MalteHerrmann/proposer written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MalteHerrmann/proposer on toolchain 58b1b3c5342a414c161338871f8004258ccef2a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MalteHerrmann/proposer 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" "+58b1b3c5342a414c161338871f8004258ccef2a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53282c9ad97e158a10faf13fa7b127fe32c55b44fd12f1096333d670d3edf3be
[INFO] running `Command { std: "docker" "start" "-a" "53282c9ad97e158a10faf13fa7b127fe32c55b44fd12f1096333d670d3edf3be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53282c9ad97e158a10faf13fa7b127fe32c55b44fd12f1096333d670d3edf3be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53282c9ad97e158a10faf13fa7b127fe32c55b44fd12f1096333d670d3edf3be", kill_on_drop: false }`
[INFO] [stdout] 53282c9ad97e158a10faf13fa7b127fe32c55b44fd12f1096333d670d3edf3be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 059d828fb8e5e68479203ea7cce3822fecba740c0f244c85f9d5e8c2b1ac98a5
[INFO] running `Command { std: "docker" "start" "-a" "059d828fb8e5e68479203ea7cce3822fecba740c0f244c85f9d5e8c2b1ac98a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling cc v1.1.8
[INFO] [stderr]    Compiling serde v1.0.205
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling indexmap v2.3.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling serde_json v1.0.122
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling gimli v0.29.0
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling rustls-native-certs v0.6.3
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling futures-timer v3.0.3
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.4
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling object v0.36.3
[INFO] [stderr]    Compiling http-types v2.12.0
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling rstest_macros v0.18.2
[INFO] [stderr]    Compiling ipnet v2.9.0
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling mio v1.0.1
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling openssl-sys v0.9.103
[INFO] [stderr]    Compiling backtrace v0.3.73
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling sync_wrapper v0.1.2
[INFO] [stderr]    Compiling parking v2.2.0
[INFO] [stderr]    Compiling waker-fn v1.2.0
[INFO] [stderr]    Compiling tower-layer v0.3.2
[INFO] [stderr]    Compiling iana-time-zone v0.1.60
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling openssl v0.10.66
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling eventsource-stream v0.2.3
[INFO] [stderr]    Compiling pem v1.1.1
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling winnow v0.6.18
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]    Compiling retain_mut v0.1.9
[INFO] [stderr]    Compiling iri-string v0.7.2
[INFO] [stderr]    Compiling deadpool-runtime v0.1.4
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling infer v0.2.3
[INFO] [stderr]    Compiling http-range-header v0.3.1
[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/58b1b3c5342a414c161338871f8004258ccef2a7/bin/rustc --crate-name regex_syntax --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.8.4/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 -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=82394ecc63837acd -C extra-filename=-3a1fc10fb0bb10d0 --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" "059d828fb8e5e68479203ea7cce3822fecba740c0f244c85f9d5e8c2b1ac98a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "059d828fb8e5e68479203ea7cce3822fecba740c0f244c85f9d5e8c2b1ac98a5", kill_on_drop: false }`
[INFO] [stdout] 059d828fb8e5e68479203ea7cce3822fecba740c0f244c85f9d5e8c2b1ac98a5