[INFO] fetching crate jail_exporter 0.15.1...
[INFO] checking jail_exporter-0.15.1 against 1.55.0 for beta-1.56-3
[INFO] extracting crate jail_exporter 0.15.1 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate jail_exporter 0.15.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jail_exporter 0.15.1
[INFO] finished tweaking crates.io crate jail_exporter 0.15.1
[INFO] tweaked toml for crates.io crate jail_exporter 0.15.1 written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate crates.io crate jail_exporter 0.15.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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 cipher v0.3.0
[INFO] [stderr]   Downloaded askama v0.10.5
[INFO] [stderr]   Downloaded askama_shared v0.11.1
[INFO] [stderr]   Downloaded actix-web-httpauth v0.5.1
[INFO] [stderr]   Downloaded jail v0.2.0
[INFO] [stderr]   Downloaded askama_derive v0.10.5
[INFO] [stderr]   Downloaded rctl v0.2.0
[INFO] [stderr]   Downloaded prometheus v0.13.0
[INFO] [stderr]   Downloaded sysctl v0.4.2
[INFO] [stderr]   Downloaded users v0.11.0
[INFO] [stderr]   Downloaded bcrypt v0.10.1
[INFO] [stderr]   Downloaded blowfish v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 468f436c361000c4f62e899bfbdde40d75c4ac189406037b398a3b0816a678aa
[INFO] running `Command { std: "docker" "start" "-a" "468f436c361000c4f62e899bfbdde40d75c4ac189406037b398a3b0816a678aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "468f436c361000c4f62e899bfbdde40d75c4ac189406037b398a3b0816a678aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "468f436c361000c4f62e899bfbdde40d75c4ac189406037b398a3b0816a678aa", kill_on_drop: false }`
[INFO] [stdout] 468f436c361000c4f62e899bfbdde40d75c4ac189406037b398a3b0816a678aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 992fca40d817dc7af07170f8e0610df2b1ff6622cf2a0cc524bb1fd40ba266a3
[INFO] running `Command { std: "docker" "start" "-a" "992fca40d817dc7af07170f8e0610df2b1ff6622cf2a0cc524bb1fd40ba266a3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling askama_escape v0.10.1
[INFO] [stderr]    Compiling prometheus v0.13.0
[INFO] [stderr]     Checking humansize v1.1.1
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking zeroize v1.4.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking bytestring v1.0.0
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.25/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --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=af5f9d12c561e34d -C extra-filename=-af5f9d12c561e34d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "992fca40d817dc7af07170f8e0610df2b1ff6622cf2a0cc524bb1fd40ba266a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "992fca40d817dc7af07170f8e0610df2b1ff6622cf2a0cc524bb1fd40ba266a3", kill_on_drop: false }`
[INFO] [stdout] 992fca40d817dc7af07170f8e0610df2b1ff6622cf2a0cc524bb1fd40ba266a3
