[INFO] fetching crate darkroom 0.8.0...
[INFO] checking darkroom-0.8.0 against try#e251c42c969d6f8dbaae00e1028489c3a29f8789 for pr-94081
[INFO] extracting crate darkroom 0.8.0 into /workspace/builds/worker-67/source
[INFO] validating manifest of crates.io crate darkroom 0.8.0 on toolchain e251c42c969d6f8dbaae00e1028489c3a29f8789
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e251c42c969d6f8dbaae00e1028489c3a29f8789" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate darkroom 0.8.0
[INFO] finished tweaking crates.io crate darkroom 0.8.0
[INFO] tweaked toml for crates.io crate darkroom 0.8.0 written to /workspace/builds/worker-67/source/Cargo.toml
[INFO] crate crates.io crate darkroom 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e251c42c969d6f8dbaae00e1028489c3a29f8789" "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 fancy-regex v0.7.1
[INFO] [stderr]   Downloaded thiserror v1.0.29
[INFO] [stderr]   Downloaded tracing-core v0.1.20
[INFO] [stderr]   Downloaded argh_shared v0.1.6
[INFO] [stderr]   Downloaded shell-words v1.0.0
[INFO] [stderr]   Downloaded env_proxy v0.4.1
[INFO] [stderr]   Downloaded fehler-macros v1.0.0
[INFO] [stderr]   Downloaded gethostname v0.2.1
[INFO] [stderr]   Downloaded thiserror-impl v1.0.29
[INFO] [stderr]   Downloaded fehler v1.0.0
[INFO] [stderr]   Downloaded crossterm_winapi v0.7.0
[INFO] [stderr]   Downloaded signal-hook v0.1.17
[INFO] [stderr]   Downloaded argh_derive v0.1.6
[INFO] [stderr]   Downloaded colored-diff v0.2.2
[INFO] [stderr]   Downloaded mdcat v0.23.2
[INFO] [stderr]   Downloaded onig_sys v69.7.0
[INFO] [stderr]   Downloaded serde-hashkey v0.4.0
[INFO] [stderr]   Downloaded ureq v2.2.0
[INFO] [stderr]   Downloaded argh v0.1.6
[INFO] [stderr]   Downloaded onig v6.2.0
[INFO] [stderr]   Downloaded crossterm v0.19.0
[INFO] [stderr]   Downloaded tracing v0.1.28
[INFO] [stderr]   Downloaded reqwest v0.11.4
[INFO] [stderr]   Downloaded filmreel v0.7.0
[INFO] [stderr]   Downloaded minus v3.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "+e251c42c969d6f8dbaae00e1028489c3a29f8789" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d23566fc30bd0777c0988ac0acc7416e3fc3b5a1045ec5136bc8fbe278574e67
[INFO] running `Command { std: "docker" "start" "-a" "d23566fc30bd0777c0988ac0acc7416e3fc3b5a1045ec5136bc8fbe278574e67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d23566fc30bd0777c0988ac0acc7416e3fc3b5a1045ec5136bc8fbe278574e67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d23566fc30bd0777c0988ac0acc7416e3fc3b5a1045ec5136bc8fbe278574e67", kill_on_drop: false }`
[INFO] [stdout] d23566fc30bd0777c0988ac0acc7416e3fc3b5a1045ec5136bc8fbe278574e67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+e251c42c969d6f8dbaae00e1028489c3a29f8789" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa95fcaa850146dacef3e5dcfc57febc2dabbec60b9276c9122188348b4d2b52
[INFO] running `Command { std: "docker" "start" "-a" "fa95fcaa850146dacef3e5dcfc57febc2dabbec60b9276c9122188348b4d2b52", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling argh_shared v0.1.6
[INFO] [stderr]     Checking chunked_transfer v1.4.0
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking shell-words v1.0.0
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking tinyvec v1.4.0
[INFO] [stderr]     Checking tracing-core v0.1.20
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking pretty_assertions v0.7.2
[INFO] [stderr]    Compiling unicase v2.6.0
[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 indexmap v1.7.0
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[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 --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 -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=b65cedb3bd8cf729 -C extra-filename=-b65cedb3bd8cf729 --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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fa95fcaa850146dacef3e5dcfc57febc2dabbec60b9276c9122188348b4d2b52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa95fcaa850146dacef3e5dcfc57febc2dabbec60b9276c9122188348b4d2b52", kill_on_drop: false }`
[INFO] [stdout] fa95fcaa850146dacef3e5dcfc57febc2dabbec60b9276c9122188348b4d2b52