[INFO] fetching crate seq_io 0.4.0-alpha.0...
[INFO] checking seq_io-0.4.0-alpha.0 against master#1204400ab8da9830f6f77a5e40e7ad3ea459676a for pr-94295
[INFO] extracting crate seq_io 0.4.0-alpha.0 into /workspace/builds/worker-74/source
[INFO] validating manifest of crates.io crate seq_io 0.4.0-alpha.0 on toolchain 1204400ab8da9830f6f77a5e40e7ad3ea459676a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1204400ab8da9830f6f77a5e40e7ad3ea459676a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate seq_io 0.4.0-alpha.0
[INFO] finished tweaking crates.io crate seq_io 0.4.0-alpha.0
[INFO] tweaked toml for crates.io crate seq_io 0.4.0-alpha.0 written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1204400ab8da9830f6f77a5e40e7ad3ea459676a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1204400ab8da9830f6f77a5e40e7ad3ea459676a" "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 enum-map-derive v0.4.6
[INFO] [stderr]   Downloaded getset v0.0.9
[INFO] [stderr]   Downloaded enum-map v0.6.6
[INFO] [stderr]   Downloaded bio-types v0.12.1
[INFO] [stderr]   Downloaded triple_accel v0.3.4
[INFO] [stderr]   Downloaded fastq v0.6.0
[INFO] [stderr]   Downloaded newtype_derive v0.1.6
[INFO] [stderr]   Downloaded rand_isaac v0.2.0
[INFO] [stderr]   Downloaded bio v0.32.0
[INFO] [stderr]   Downloaded array-macro v1.0.5
[INFO] [stderr]   Downloaded statrs v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "+1204400ab8da9830f6f77a5e40e7ad3ea459676a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1b2fe1af13140d30b1fa2233e581f6c6e3c3c513426f0ad12de9e63ef3369a7
[INFO] running `Command { std: "docker" "start" "-a" "c1b2fe1af13140d30b1fa2233e581f6c6e3c3c513426f0ad12de9e63ef3369a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1b2fe1af13140d30b1fa2233e581f6c6e3c3c513426f0ad12de9e63ef3369a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1b2fe1af13140d30b1fa2233e581f6c6e3c3c513426f0ad12de9e63ef3369a7", kill_on_drop: false }`
[INFO] [stdout] c1b2fe1af13140d30b1fa2233e581f6c6e3c3c513426f0ad12de9e63ef3369a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "+1204400ab8da9830f6f77a5e40e7ad3ea459676a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b8ad3fe76d038e7591414befd39fcb81947728ab5e5446e0ca182c92c0845d7
[INFO] running `Command { std: "docker" "start" "-a" "0b8ad3fe76d038e7591414befd39fcb81947728ab5e5446e0ca182c92c0845d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling semver v1.0.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling crossbeam-queue v0.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling feature-probe v0.1.1
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling bio v0.32.0
[INFO] [stderr]     Checking array-macro v1.0.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking triple_accel v0.3.4
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking clap v2.34.0
[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" "0b8ad3fe76d038e7591414befd39fcb81947728ab5e5446e0ca182c92c0845d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b8ad3fe76d038e7591414befd39fcb81947728ab5e5446e0ca182c92c0845d7", kill_on_drop: false }`
[INFO] [stdout] 0b8ad3fe76d038e7591414befd39fcb81947728ab5e5446e0ca182c92c0845d7