[INFO] fetching crate barberousse 0.1.6...
[INFO] testing barberousse-0.1.6 against 1.54.0 for beta-1.55-1
[INFO] extracting crate barberousse 0.1.6 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate barberousse 0.1.6 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate barberousse 0.1.6
[INFO] finished tweaking crates.io crate barberousse 0.1.6
[INFO] tweaked toml for crates.io crate barberousse 0.1.6 written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] crate crates.io crate barberousse 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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 rusoto_core v0.44.0
[INFO] [stderr]   Downloaded time-macros v0.1.0
[INFO] [stderr]   Downloaded serde_yaml v0.8.13
[INFO] [stderr]   Downloaded time v0.2.16
[INFO] [stderr]   Downloaded onig v6.0.0
[INFO] [stderr]   Downloaded plist v1.0.0
[INFO] [stderr]   Downloaded rustyline v6.2.0
[INFO] [stderr]   Downloaded path_abs v0.5.0
[INFO] [stderr]   Downloaded serde_json v1.0.55
[INFO] [stderr]   Downloaded terminal_size v0.1.12
[INFO] [stderr]   Downloaded ansi_colours v1.0.1
[INFO] [stderr]   Downloaded git2 v0.13.6
[INFO] [stderr]   Downloaded proc-quote-impl v0.3.2
[INFO] [stderr]   Downloaded liquid-lib v0.20.2
[INFO] [stderr]   Downloaded liquid-derive v0.20.1
[INFO] [stderr]   Downloaded liquid-core v0.20.2
[INFO] [stderr]   Downloaded liquid v0.20.1
[INFO] [stderr]   Downloaded syntect v4.2.0
[INFO] [stderr]   Downloaded proc-quote v0.3.2
[INFO] [stderr]   Downloaded onig_sys v69.5.0
[INFO] [stderr]   Downloaded dirs-sys-next v0.1.0
[INFO] [stderr]   Downloaded libgit2-sys v0.12.7+1.0.0
[INFO] [stderr]   Downloaded bat v0.15.4
[INFO] [stderr]   Downloaded kstring v0.1.1
[INFO] [stderr]   Downloaded rusoto_secretsmanager v0.44.0
[INFO] [stderr]   Downloaded dirs-next v1.0.1
[INFO] [stderr]   Downloaded rusoto_credential v0.44.0
[INFO] [stderr]   Downloaded standback v0.2.9
[INFO] [stderr]   Downloaded rusoto_signature v0.44.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be33e24de3164125274680bb582ce248ff753ceff89082aaac159e8584d11a33
[INFO] running `Command { std: "docker" "start" "-a" "be33e24de3164125274680bb582ce248ff753ceff89082aaac159e8584d11a33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be33e24de3164125274680bb582ce248ff753ceff89082aaac159e8584d11a33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be33e24de3164125274680bb582ce248ff753ceff89082aaac159e8584d11a33", kill_on_drop: false }`
[INFO] [stdout] be33e24de3164125274680bb582ce248ff753ceff89082aaac159e8584d11a33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f5e2f0ea0f0015ae81886efed5bb02fc6e4e01c45e2ea820b67043deb131384
[INFO] running `Command { std: "docker" "start" "-a" "3f5e2f0ea0f0015ae81886efed5bb02fc6e4e01c45e2ea820b67043deb131384", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling tinyvec v0.3.3
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling adler32 v1.1.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling std_prelude v0.2.12
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling wild v2.0.4
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling shell-words v1.0.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling os_str_bytes v2.3.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling line-wrap v0.1.1
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling standback v0.2.9
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling error-chain v0.12.2
[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 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.18/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -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=cc6f85808d425969 -C extra-filename=-cc6f85808d425969 --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" "3f5e2f0ea0f0015ae81886efed5bb02fc6e4e01c45e2ea820b67043deb131384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f5e2f0ea0f0015ae81886efed5bb02fc6e4e01c45e2ea820b67043deb131384", kill_on_drop: false }`
[INFO] [stdout] 3f5e2f0ea0f0015ae81886efed5bb02fc6e4e01c45e2ea820b67043deb131384
