[INFO] cloning repository https://github.com/voltpkg/volt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/voltpkg/volt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoltpkg%2Fvolt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoltpkg%2Fvolt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa2731b97c974de4f79e830dd88fc23a587d77e5
[INFO] checking voltpkg/volt against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoltpkg%2Fvolt" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/voltpkg/volt on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/voltpkg/volt
[INFO] finished tweaking git repo https://github.com/voltpkg/volt
[INFO] tweaked toml for git repo https://github.com/voltpkg/volt written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/voltpkg/volt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c311d30634e2816140c2cf2c6fc48d22f938805f2f20761606529eff659349db
[INFO] running `Command { std: "docker" "start" "-a" "c311d30634e2816140c2cf2c6fc48d22f938805f2f20761606529eff659349db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c311d30634e2816140c2cf2c6fc48d22f938805f2f20761606529eff659349db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c311d30634e2816140c2cf2c6fc48d22f938805f2f20761606529eff659349db", kill_on_drop: false }`
[INFO] [stdout] c311d30634e2816140c2cf2c6fc48d22f938805f2f20761606529eff659349db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f78ac3b813fa5a2a638eb1cb575b83b0696531721c81aca2f23d74f16830775
[INFO] running `Command { std: "docker" "start" "-a" "2f78ac3b813fa5a2a638eb1cb575b83b0696531721c81aca2f23d74f16830775", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling chttp v0.5.5
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking text-size v1.1.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking smol_str v0.1.18
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking rslint_syntax v0.1.3 (/opt/rustwide/workdir/src/rslint/rslint_syntax)
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]    Compiling erased-serde v0.3.16
[INFO] [stderr]    Compiling schemars v0.8.3
[INFO] [stderr]     Checking dyn-clone v1.0.4
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]    Compiling bugreport v0.4.0
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking shell-escape v0.1.5
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking std_prelude v0.2.12
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking wild v2.0.4
[INFO] [stderr]     Checking shell-words v1.0.0
[INFO] [stderr]     Checking chunked_transfer v1.4.0
[INFO] [stderr]     Checking dissimilar v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v1.8.0
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]     Checking minimad v0.8.0
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking path_abs v0.5.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking proc-macro2 v1.0.27
[INFO] [stderr]     Checking rslint_rowan v0.10.0 (/opt/rustwide/workdir/src/rslint/rslint_rowan)
[INFO] [stderr]     Checking expect-test v1.1.0
[INFO] [stderr]     Checking encoding_rs v0.8.28
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking spinning_top v0.2.4
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking content_inspector v0.2.4
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking sluice v0.4.1
[INFO] [stderr]     Checking flume v0.10.7
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking want v0.3.0
[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 --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=c3aa7da090b61135 -C extra-filename=-c3aa7da090b61135 --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" "2f78ac3b813fa5a2a638eb1cb575b83b0696531721c81aca2f23d74f16830775", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f78ac3b813fa5a2a638eb1cb575b83b0696531721c81aca2f23d74f16830775", kill_on_drop: false }`
[INFO] [stdout] 2f78ac3b813fa5a2a638eb1cb575b83b0696531721c81aca2f23d74f16830775