[INFO] fetching crate coreos-metadata 3.1.2...
[INFO] checking coreos-metadata-3.1.2 against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] extracting crate coreos-metadata 3.1.2 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate coreos-metadata 3.1.2 on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate coreos-metadata 3.1.2
[INFO] finished tweaking crates.io crate coreos-metadata 3.1.2
[INFO] tweaked toml for crates.io crate coreos-metadata 3.1.2 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winutil v0.1.1
[INFO] [stderr]   Downloaded ipnetwork v0.14.0
[INFO] [stderr]   Downloaded serde-xml-rs v0.2.1
[INFO] [stderr]   Downloaded users v0.8.1
[INFO] [stderr]   Downloaded hostname v0.1.5
[INFO] [stderr]   Downloaded update-ssh-keys v0.4.1
[INFO] [stderr]   Downloaded slog-scope v4.0.1
[INFO] [stderr]   Downloaded pnet_datalink v0.22.0
[INFO] [stderr]   Downloaded pnet_transport v0.22.0
[INFO] [stderr]   Downloaded pnet_sys v0.22.0
[INFO] [stderr]   Downloaded pnet_macros_support v0.22.0
[INFO] [stderr]   Downloaded pnet_packet v0.22.0
[INFO] [stderr]   Downloaded mockito v0.16.0
[INFO] [stderr]   Downloaded openssh-keys v0.4.2
[INFO] [stderr]   Downloaded pnet v0.22.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3464d7bb6ae17a70355ff6c3a42b528fb7b0b657bc8cb1b7ae647b4ab1a040dc
[INFO] running `Command { std: "docker" "start" "-a" "3464d7bb6ae17a70355ff6c3a42b528fb7b0b657bc8cb1b7ae647b4ab1a040dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3464d7bb6ae17a70355ff6c3a42b528fb7b0b657bc8cb1b7ae647b4ab1a040dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3464d7bb6ae17a70355ff6c3a42b528fb7b0b657bc8cb1b7ae647b4ab1a040dc", kill_on_drop: false }`
[INFO] [stdout] 3464d7bb6ae17a70355ff6c3a42b528fb7b0b657bc8cb1b7ae647b4ab1a040dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fefb10323ed37c4073d53c89281a417c8558656319ff932ee2c9b9ee4b0142e
[INFO] running `Command { std: "docker" "start" "-a" "9fefb10323ed37c4073d53c89281a417c8558656319ff932ee2c9b9ee4b0142e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking pnet_base v0.22.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.19
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]    Compiling pnet v0.22.0
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking pnet_macros_support v0.22.0
[INFO] [stderr]     Checking xml-rs v0.3.6
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking pnet_sys v0.22.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking users v0.8.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking slog-scope v4.0.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-queue 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 --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 --crate-type lib --emit=dep-info,metadata,link -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=cfec10257cbd629b -C extra-filename=-cfec10257cbd629b --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" "9fefb10323ed37c4073d53c89281a417c8558656319ff932ee2c9b9ee4b0142e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fefb10323ed37c4073d53c89281a417c8558656319ff932ee2c9b9ee4b0142e", kill_on_drop: false }`
[INFO] [stdout] 9fefb10323ed37c4073d53c89281a417c8558656319ff932ee2c9b9ee4b0142e