[INFO] fetching crate darkroom 0.8.0...
[INFO] checking darkroom-0.8.0 against master#2ad4eb207b369017f5140918b5e4b0d3650b46b0 for pr-95611
[INFO] extracting crate darkroom 0.8.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate darkroom 0.8.0 on toolchain 2ad4eb207b369017f5140918b5e4b0d3650b46b0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "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-5/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" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "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 ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82f70fed2ad7c776c62932fe8e7d4b6e3e76c2b0bdf8226bb8778718d2a355fd
[INFO] running `Command { std: "docker" "start" "-a" "82f70fed2ad7c776c62932fe8e7d4b6e3e76c2b0bdf8226bb8778718d2a355fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82f70fed2ad7c776c62932fe8e7d4b6e3e76c2b0bdf8226bb8778718d2a355fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82f70fed2ad7c776c62932fe8e7d4b6e3e76c2b0bdf8226bb8778718d2a355fd", kill_on_drop: false }`
[INFO] [stdout] 82f70fed2ad7c776c62932fe8e7d4b6e3e76c2b0bdf8226bb8778718d2a355fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 474ab8368fc792d16b58d391013a5681502be37ad6465c08e4e256ba67d3a851
[INFO] running `Command { std: "docker" "start" "-a" "474ab8368fc792d16b58d391013a5681502be37ad6465c08e4e256ba67d3a851", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling memchr v2.4.1
[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 itoa v0.4.8
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[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 spin v0.5.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]    Compiling argh_shared v0.1.6
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking chunked_transfer v1.4.0
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking shell-words v1.0.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking tracing-core v0.1.20
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking tinyvec v1.4.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking itertools v0.7.11
[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] running `Command { std: "docker" "inspect" "474ab8368fc792d16b58d391013a5681502be37ad6465c08e4e256ba67d3a851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "474ab8368fc792d16b58d391013a5681502be37ad6465c08e4e256ba67d3a851", kill_on_drop: false }`
[INFO] [stdout] 474ab8368fc792d16b58d391013a5681502be37ad6465c08e4e256ba67d3a851