[INFO] fetching crate vouch 0.3.2...
[INFO] checking vouch-0.3.2 against master#4c60a0ea5b2385d7400df9db1ad04e96f2a4c154 for 92191_revert
[INFO] extracting crate vouch 0.3.2 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate vouch 0.3.2 on toolchain 4c60a0ea5b2385d7400df9db1ad04e96f2a4c154
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vouch 0.3.2
[INFO] finished tweaking crates.io crate vouch 0.3.2
[INFO] tweaked toml for crates.io crate vouch 0.3.2 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate crates.io crate vouch 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.28
[INFO] [stderr]   Downloaded openssl-sys v0.9.71
[INFO] [stderr]   Downloaded futures-channel v0.3.18
[INFO] [stderr]   Downloaded futures-sink v0.3.18
[INFO] [stderr]   Downloaded tokei v12.1.2
[INFO] [stderr]   Downloaded phf v0.10.0
[INFO] [stderr]   Downloaded encoding_rs_io v0.1.7
[INFO] [stderr]   Downloaded futures-util v0.3.18
[INFO] [stderr]   Downloaded directories v3.0.2
[INFO] [stderr]   Downloaded grep-matcher v0.1.5
[INFO] [stderr]   Downloaded hyper v0.14.15
[INFO] [stderr]   Downloaded phf_codegen v0.10.0
[INFO] [stderr]   Downloaded humansize v1.1.1
[INFO] [stderr]   Downloaded fallible-iterator v0.2.0
[INFO] [stderr]   Downloaded dialoguer v0.8.0
[INFO] [stderr]   Downloaded h2 v0.3.7
[INFO] [stderr]   Downloaded dirs v3.0.2
[INFO] [stderr]   Downloaded lock_api v0.4.5
[INFO] [stderr]   Downloaded unic-ucd-version v0.9.0
[INFO] [stderr]   Downloaded pkg-config v0.3.22
[INFO] [stderr]   Downloaded unic-ucd-segment v0.9.0
[INFO] [stderr]   Downloaded unic-char-property v0.9.0
[INFO] [stderr]   Downloaded rusqlite v0.23.1
[INFO] [stderr]   Downloaded anyhow v1.0.48
[INFO] [stderr]   Downloaded grep-searcher v0.1.8
[INFO] [stderr]   Downloaded futures-core v0.3.18
[INFO] [stderr]   Downloaded parse-zoneinfo v0.3.0
[INFO] [stderr]   Downloaded slug v0.1.4
[INFO] [stderr]   Downloaded fallible-streaming-iterator v0.1.9
[INFO] [stderr]   Downloaded siphasher v0.3.7
[INFO] [stderr]   Downloaded deunicode v0.4.3
[INFO] [stderr]   Downloaded prettytable-rs v0.8.0
[INFO] [stderr]   Downloaded socket2 v0.4.2
[INFO] [stderr]   Downloaded futures-io v0.3.18
[INFO] [stderr]   Downloaded unic-char-range v0.9.0
[INFO] [stderr]   Downloaded chrono-tz-build v0.0.2
[INFO] [stderr]   Downloaded tera v1.15.0
[INFO] [stderr]   Downloaded encoding_rs v0.8.29
[INFO] [stderr]   Downloaded chrono-tz v0.6.0
[INFO] [stderr]   Downloaded crc32fast v1.2.2
[INFO] [stderr]   Downloaded futures-task v0.3.18
[INFO] [stderr]   Downloaded unic-common v0.9.0
[INFO] [stderr]   Downloaded unic-segment v0.9.0
[INFO] [stderr]   Downloaded reqwest v0.11.6
[INFO] [stderr]   Downloaded libsqlite3-sys v0.18.0
[INFO] [stderr]   Downloaded libgit2-sys v0.12.25+1.3.0
[INFO] [stderr]   Downloaded git2 v0.13.24
[INFO] [stderr]   Downloaded vouch-js v0.3.1
[INFO] [stderr]   Downloaded vouch-py v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a92d544c699c68574bdfc06e78f93df155b239ecbd81833ff06542f0c615d8ad
[INFO] running `Command { std: "docker" "start" "-a" "a92d544c699c68574bdfc06e78f93df155b239ecbd81833ff06542f0c615d8ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a92d544c699c68574bdfc06e78f93df155b239ecbd81833ff06542f0c615d8ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a92d544c699c68574bdfc06e78f93df155b239ecbd81833ff06542f0c615d8ad", kill_on_drop: false }`
[INFO] [stdout] a92d544c699c68574bdfc06e78f93df155b239ecbd81833ff06542f0c615d8ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e77430fa483084a09a6ca0de2a66498b151a0b6138313f3f8e949218cbc5b32
[INFO] running `Command { std: "docker" "start" "-a" "6e77430fa483084a09a6ca0de2a66498b151a0b6138313f3f8e949218cbc5b32", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking futures-sink v0.3.18
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.18
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling encoding_rs v0.8.29
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling unic-common v0.9.0
[INFO] [stderr]    Compiling unic-char-range v0.9.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling anyhow v1.0.48
[INFO] [stderr]    Compiling deunicode v0.4.3
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling crc32fast v1.2.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling humansize v1.1.1
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking strum v0.20.0
[INFO] [stderr]     Checking zeroize v1.4.3
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling unic-ucd-version v0.9.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling unic-char-property v0.9.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling slug v0.1.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling uncased v0.9.6
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling unic-ucd-segment v0.9.0
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[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,artifacts,future-incompat --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=c25dc19d7487cdf7 -C extra-filename=-c25dc19d7487cdf7 --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" "6e77430fa483084a09a6ca0de2a66498b151a0b6138313f3f8e949218cbc5b32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e77430fa483084a09a6ca0de2a66498b151a0b6138313f3f8e949218cbc5b32", kill_on_drop: false }`
[INFO] [stdout] 6e77430fa483084a09a6ca0de2a66498b151a0b6138313f3f8e949218cbc5b32