[INFO] cloning repository https://github.com/imazen/imageflow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imazen/imageflow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimazen%2Fimageflow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimazen%2Fimageflow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 715ee58d76315acd2fefb18a4558fe77109c0ee7
[INFO] checking imazen/imageflow against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimazen%2Fimageflow" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/imazen/imageflow on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/imazen/imageflow
[INFO] finished tweaking git repo https://github.com/imazen/imageflow
[INFO] tweaked toml for git repo https://github.com/imazen/imageflow written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/imazen/imageflow already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/DanielKeep/rust-custom-derive.git`
[INFO] [stderr]     Updating git submodule `https://github.com/DanielKeep/rust-script-toolbox.git`
[INFO] [stderr]     Updating git repository `https://github.com/imazen/rust-lcms2`
[INFO] [stderr]     Updating git repository `https://github.com/atomashpolskiy/rustface`
[INFO] [stderr]     Updating git repository `https://github.com/iron/logger.git`
[INFO] [stderr]     Updating git repository `https://github.com/iron/mount.git`
[INFO] [stderr]     Updating git repository `https://github.com/onur/staticfile`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tower-layer v0.3.0
[INFO] [stderr]   Downloaded dssim-core v2.11.4
[INFO] [stderr]   Downloaded mockito v0.27.0
[INFO] [stderr]   Downloaded nasm-rs v0.2.0
[INFO] [stderr]   Downloaded lcms2 v5.4.0
[INFO] [stderr]   Downloaded chashmap v2.2.2
[INFO] [stderr]   Downloaded evalchroma v0.1.1
[INFO] [stderr]   Downloaded hyper-openssl v0.8.1
[INFO] [stderr]   Downloaded zip v0.5.8
[INFO] [stderr]   Downloaded dssim v2.11.4
[INFO] [stderr]   Downloaded mozjpeg v0.8.24
[INFO] [stderr]   Downloaded lcms2-sys v3.1.5
[INFO] [stderr]   Downloaded imagequant v2.13.0
[INFO] [stderr]   Downloaded foreign-types v0.5.0
[INFO] [stderr]   Downloaded rexif v0.5.0
[INFO] [stderr]   Downloaded load_image v2.12.1
[INFO] [stderr]   Downloaded imagequant-sys v2.13.0
[INFO] [stderr]   Downloaded foreign-types-macros v0.2.1
[INFO] [stderr]   Downloaded foreign-types-shared v0.3.0
[INFO] [stderr]   Downloaded option-filter v1.0.2
[INFO] [stderr]   Downloaded mozjpeg-sys v0.10.13
[INFO] [stderr]   Downloaded libwebp-sys v0.3.0
[INFO] [stderr]   Downloaded cbindgen v0.15.0
[INFO] [stderr]   Downloaded persistent v0.4.0
[INFO] [stderr]   Downloaded libpng-sys v1.1.8
[INFO] [stderr]   Downloaded ieee754 v0.2.6
[INFO] [stderr]   Downloaded fallible_collections v0.4.0
[INFO] [stderr]   Downloaded lodepng v3.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a70be723d910eed976fd32bfc0044a97e29278413c5d8c995adf41b702b6582
[INFO] running `Command { std: "docker" "start" "-a" "4a70be723d910eed976fd32bfc0044a97e29278413c5d8c995adf41b702b6582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a70be723d910eed976fd32bfc0044a97e29278413c5d8c995adf41b702b6582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a70be723d910eed976fd32bfc0044a97e29278413c5d8c995adf41b702b6582", kill_on_drop: false }`
[INFO] [stdout] 4a70be723d910eed976fd32bfc0044a97e29278413c5d8c995adf41b702b6582
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2eccaf7f6f7e7aec2988df60364dcfad578c2a8dfc8d1d7f26baeaa16b24bbcc
[INFO] running `Command { std: "docker" "start" "-a" "2eccaf7f6f7e7aec2988df60364dcfad578c2a8dfc8d1d7f26baeaa16b24bbcc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling dunce v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking bytemuck v1.4.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking futures v0.1.30
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking object v0.21.1
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking imgref v1.7.0
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]    Compiling quick-error v2.0.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking futures-core v0.3.7
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking foreign-types-shared v0.3.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking macro-attr v0.2.1 (https://github.com/DanielKeep/rust-custom-derive.git#1252f258)
[INFO] [stderr]     Checking enum_derive v0.1.7 (https://github.com/DanielKeep/rust-custom-derive.git#1252f258)
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking option-filter v1.0.2
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking ieee754 v0.2.6
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking futures-sink v0.3.7
[INFO] [stderr]     Checking futures-task v0.3.7
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]     Checking slotmap v0.4.0
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]    Compiling hyper-openssl v0.8.1
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking sequence_trie v0.2.1
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling cbindgen v0.15.0
[INFO] [stderr]     Checking route-recognizer v0.1.13
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling standback v0.2.11
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling num-rational v0.3.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rgb v0.8.25
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking futures-channel v0.3.7
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking linked_hash_set v0.1.4
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling rustc_version v0.2.3
[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-0.6.20/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --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=5c08a4d3c6c61bf2 -C extra-filename=-5c08a4d3c6c61bf2 --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" "2eccaf7f6f7e7aec2988df60364dcfad578c2a8dfc8d1d7f26baeaa16b24bbcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eccaf7f6f7e7aec2988df60364dcfad578c2a8dfc8d1d7f26baeaa16b24bbcc", kill_on_drop: false }`
[INFO] [stdout] 2eccaf7f6f7e7aec2988df60364dcfad578c2a8dfc8d1d7f26baeaa16b24bbcc