[INFO] fetching crate helvum 0.3.4...
[INFO] testing helvum-0.3.4 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate helvum 0.3.4 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate helvum 0.3.4 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate helvum 0.3.4
[INFO] finished tweaking crates.io crate helvum 0.3.4
[INFO] tweaked toml for crates.io crate helvum 0.3.4 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate crates.io crate helvum 0.3.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded version-compare v0.0.11
[INFO] [stderr]   Downloaded libspa-sys v0.4.1
[INFO] [stderr]   Downloaded cfg-expr v0.8.1
[INFO] [stderr]   Downloaded pango v0.15.2
[INFO] [stderr]   Downloaded cfg-expr v0.9.1
[INFO] [stderr]   Downloaded glib-macros v0.15.3
[INFO] [stderr]   Downloaded glib-sys v0.15.4
[INFO] [stderr]   Downloaded gio-sys v0.15.4
[INFO] [stderr]   Downloaded gtk4-macros v0.4.3
[INFO] [stderr]   Downloaded cairo-sys-rs v0.15.1
[INFO] [stderr]   Downloaded field-offset v0.3.4
[INFO] [stderr]   Downloaded gdk4 v0.4.6
[INFO] [stderr]   Downloaded graphene-rs v0.15.1
[INFO] [stderr]   Downloaded gsk4 v0.4.6
[INFO] [stderr]   Downloaded pipewire-sys v0.4.1
[INFO] [stderr]   Downloaded libspa v0.4.1
[INFO] [stderr]   Downloaded system-deps v3.2.0
[INFO] [stderr]   Downloaded pipewire v0.4.1
[INFO] [stderr]   Downloaded signal v0.7.0
[INFO] [stderr]   Downloaded glib v0.15.4
[INFO] [stderr]   Downloaded cairo-rs v0.15.1
[INFO] [stderr]   Downloaded gdk-pixbuf v0.15.4
[INFO] [stderr]   Downloaded gio v0.15.4
[INFO] [stderr]   Downloaded gtk4-sys v0.4.5
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.15.1
[INFO] [stderr]   Downloaded gdk4-sys v0.4.2
[INFO] [stderr]   Downloaded graphene-sys v0.15.1
[INFO] [stderr]   Downloaded gsk4-sys v0.4.2
[INFO] [stderr]   Downloaded system-deps v6.0.1
[INFO] [stderr]   Downloaded gobject-sys v0.15.1
[INFO] [stderr]   Downloaded version-compare v0.1.0
[INFO] [stderr]   Downloaded pango-sys v0.15.1
[INFO] [stderr]   Downloaded gtk4 v0.4.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b3d85aabd4551aea46b270e6c9c47b25829d31146ee8a36ed80ba829895df18
[INFO] running `Command { std: "docker" "start" "-a" "6b3d85aabd4551aea46b270e6c9c47b25829d31146ee8a36ed80ba829895df18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b3d85aabd4551aea46b270e6c9c47b25829d31146ee8a36ed80ba829895df18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b3d85aabd4551aea46b270e6c9c47b25829d31146ee8a36ed80ba829895df18", kill_on_drop: false }`
[INFO] [stdout] 6b3d85aabd4551aea46b270e6c9c47b25829d31146ee8a36ed80ba829895df18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4654adc175053bf1e23c4e54bc1aa0f2156d3b5e658270158d1771c670e3e5b
[INFO] running `Command { std: "docker" "start" "-a" "f4654adc175053bf1e23c4e54bc1aa0f2156d3b5e658270158d1771c670e3e5b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling version-compare v0.0.11
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling gio v0.15.4
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling futures-io v0.3.19
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling cookie-factory v0.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clang-sys v1.3.0
[INFO] [stderr]    Compiling cfg-expr v0.9.1
[INFO] [stderr]    Compiling cfg-expr v0.8.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling bitvec v0.19.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v4.2.4
[INFO] [stderr]    Compiling errno v0.2.8
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling system-deps v6.0.1
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling futures-executor v0.3.19
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling signal v0.7.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling field-offset v0.3.4
[INFO] [stderr]    Compiling glib-sys v0.15.4
[INFO] [stderr]    Compiling gobject-sys v0.15.1
[INFO] [stderr]    Compiling gio-sys v0.15.4
[INFO] [stderr]    Compiling cairo-sys-rs v0.15.1
[INFO] [stderr]    Compiling pango-sys v0.15.1
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.15.1
[INFO] [stderr]    Compiling graphene-sys v0.15.1
[INFO] [stderr]    Compiling gdk4-sys v0.4.2
[INFO] [stderr]    Compiling gsk4-sys v0.4.2
[INFO] [stderr]    Compiling gtk4-sys v0.4.5
[INFO] [stderr] error: could not compile `regex`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-1.4.6/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="aho-corasick"' --cfg 'feature="memchr"' --cfg 'feature="perf"' --cfg 'feature="perf-cache"' --cfg 'feature="perf-dfa"' --cfg 'feature="perf-inline"' --cfg 'feature="perf-literal"' --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=f59b4c763465537a -C extra-filename=-f59b4c763465537a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-893f4c3b4ecb939d.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-dc28abbf05ce61fd.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-0edac97a01fa1cc3.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f4654adc175053bf1e23c4e54bc1aa0f2156d3b5e658270158d1771c670e3e5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4654adc175053bf1e23c4e54bc1aa0f2156d3b5e658270158d1771c670e3e5b", kill_on_drop: false }`
[INFO] [stdout] f4654adc175053bf1e23c4e54bc1aa0f2156d3b5e658270158d1771c670e3e5b