[INFO] fetching crate sccache 0.2.15...
[INFO] checking sccache-0.2.15 against try#18f0df251aa25bd85bb3d295ad1bd925a64b1ffc for pr-94063
[INFO] extracting crate sccache 0.2.15 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate sccache 0.2.15 on toolchain 18f0df251aa25bd85bb3d295ad1bd925a64b1ffc
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18f0df251aa25bd85bb3d295ad1bd925a64b1ffc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sccache 0.2.15
[INFO] finished tweaking crates.io crate sccache 0.2.15
[INFO] tweaked toml for crates.io crate sccache 0.2.15 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate crates.io crate sccache 0.2.15 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18f0df251aa25bd85bb3d295ad1bd925a64b1ffc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded which v4.0.2
[INFO] [stderr]   Downloaded tower-service v0.2.0
[INFO] [stderr]   Downloaded tower v0.1.1
[INFO] [stderr]   Downloaded tower-util v0.1.0
[INFO] [stderr]   Downloaded tower-limit v0.1.3
[INFO] [stderr]   Downloaded tower-buffer v0.1.2
[INFO] [stderr]   Downloaded tower-discover v0.1.0
[INFO] [stderr]   Downloaded tokio-named-pipes v0.1.0
[INFO] [stderr]   Downloaded bytes v1.0.0
[INFO] [stderr]   Downloaded conhash v0.4.0
[INFO] [stderr]   Downloaded hyperx v0.12.0
[INFO] [stderr]   Downloaded predicates v1.0.6
[INFO] [stderr]   Downloaded ar v0.8.0
[INFO] [stderr]   Downloaded futures v0.3.9
[INFO] [stderr]   Downloaded futures-executor v0.3.9
[INFO] [stderr]   Downloaded local-encoding v0.2.0
[INFO] [stderr]   Downloaded predicates-core v1.0.1
[INFO] [stderr]   Downloaded futures-task v0.3.9
[INFO] [stderr]   Downloaded skeptic v0.4.0
[INFO] [stderr]   Downloaded predicates-tree v1.0.1
[INFO] [stderr]   Downloaded libmount v0.1.15
[INFO] [stderr]   Downloaded futures-util v0.3.9
[INFO] [stderr]   Downloaded zstd-sys v1.4.19+zstd.1.4.8
[INFO] [stderr]   Downloaded tower-timeout v0.1.1
[INFO] [stderr]   Downloaded zstd-safe v3.0.0+zstd.1.4.8
[INFO] [stderr]   Downloaded futures-core v0.3.9
[INFO] [stderr]   Downloaded tokio-compat v0.1.6
[INFO] [stderr]   Downloaded tokio-serde-bincode v0.1.1
[INFO] [stderr]   Downloaded zstd v0.6.0+zstd.1.4.8
[INFO] [stderr]   Downloaded memcached-rs v0.4.2
[INFO] [stderr]   Downloaded pem v0.8.2
[INFO] [stderr]   Downloaded counted-array v0.1.2
[INFO] [stderr]   Downloaded multipart v0.15.4
[INFO] [stderr]   Downloaded unix_socket v0.5.0
[INFO] [stderr]   Downloaded retry v1.2.0
[INFO] [stderr]   Downloaded rouille v3.0.0
[INFO] [stderr]   Downloaded futures-channel v0.3.9
[INFO] [stderr]   Downloaded futures-io v0.3.9
[INFO] [stderr]   Downloaded futures-macro v0.3.9
[INFO] [stderr]   Downloaded futures-sink v0.3.9
[INFO] [stderr]   Downloaded derive-error v0.0.3
[INFO] [stderr]   Downloaded tokio-serde v0.1.0
[INFO] [stderr]   Downloaded pin-project-lite v0.2.1
[INFO] [stderr]   Downloaded tower-load-shed v0.1.0
[INFO] [stderr]   Downloaded tower-retry v0.1.0
[INFO] [stderr]   Downloaded tower-layer v0.1.0
[INFO] [stderr]   Downloaded selenium-rs v0.1.2
[INFO] [stderr]   Downloaded zip v0.5.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "+18f0df251aa25bd85bb3d295ad1bd925a64b1ffc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be2888852ecb9b4523b2fe45623b6694ba9df0650e2f26b6eedd1450b5744a46
[INFO] running `Command { std: "docker" "start" "-a" "be2888852ecb9b4523b2fe45623b6694ba9df0650e2f26b6eedd1450b5744a46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be2888852ecb9b4523b2fe45623b6694ba9df0650e2f26b6eedd1450b5744a46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be2888852ecb9b4523b2fe45623b6694ba9df0650e2f26b6eedd1450b5744a46", kill_on_drop: false }`
[INFO] [stdout] be2888852ecb9b4523b2fe45623b6694ba9df0650e2f26b6eedd1450b5744a46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "+18f0df251aa25bd85bb3d295ad1bd925a64b1ffc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84f47b144bee211fbf39c78c4ecc434ea6ca6b9f16694e9ee04e4e3c00ec0253
[INFO] running `Command { std: "docker" "start" "-a" "84f47b144bee211fbf39c78c4ecc434ea6ca6b9f16694e9ee04e4e3c00ec0253", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking futures v0.1.30
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking futures-core v0.3.9
[INFO] [stderr]     Checking pin-project-lite v0.2.1
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking futures-io v0.3.9
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking futures-sink v0.3.9
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]    Compiling zstd-safe v3.0.0+zstd.1.4.8
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]     Checking bytes v1.0.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking boxfnonce v0.1.1
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking predicates-core v1.0.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking ar v0.8.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking counted-array v0.1.2
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]     Checking futures-task v0.3.9
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking vte v0.3.3
[INFO] [stderr]     Checking futures-channel v0.3.9
[INFO] [stderr]     Checking predicates-tree v1.0.1
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.0
[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 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.21/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=a0cf83a0ad9ea5b8 -C extra-filename=-a0cf83a0ad9ea5b8 --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" "84f47b144bee211fbf39c78c4ecc434ea6ca6b9f16694e9ee04e4e3c00ec0253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84f47b144bee211fbf39c78c4ecc434ea6ca6b9f16694e9ee04e4e3c00ec0253", kill_on_drop: false }`
[INFO] [stdout] 84f47b144bee211fbf39c78c4ecc434ea6ca6b9f16694e9ee04e4e3c00ec0253