[INFO] fetching crate syndicate-server 0.51.0-rc.1...
[INFO] checking syndicate-server-0.51.0-rc.1 against try#94382f34384023f3d2062a34ccf0bb6b4d44a75a for mutual-coercion
[INFO] extracting crate syndicate-server 0.51.0-rc.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate syndicate-server 0.51.0-rc.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate syndicate-server 0.51.0-rc.1
[INFO] tweaked toml for crates.io crate syndicate-server 0.51.0-rc.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate syndicate-server 0.51.0-rc.1 on toolchain 94382f34384023f3d2062a34ccf0bb6b4d44a75a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94382f34384023f3d2062a34ccf0bb6b4d44a75a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate syndicate-server 0.51.0-rc.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94382f34384023f3d2062a34ccf0bb6b4d44a75a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+94382f34384023f3d2062a34ccf0bb6b4d44a75a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc7d2bde4facd42c104d5468d08c3e6e29c363419f5043c50577f593194d8a66
[INFO] running `Command { std: "docker" "start" "-a" "dc7d2bde4facd42c104d5468d08c3e6e29c363419f5043c50577f593194d8a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc7d2bde4facd42c104d5468d08c3e6e29c363419f5043c50577f593194d8a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc7d2bde4facd42c104d5468d08c3e6e29c363419f5043c50577f593194d8a66", kill_on_drop: false }`
[INFO] [stdout] dc7d2bde4facd42c104d5468d08c3e6e29c363419f5043c50577f593194d8a66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+94382f34384023f3d2062a34ccf0bb6b4d44a75a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 561b9ecd87fadc36221e8e87c2f5243f4a9d14e5eb80f54395637b64c6d4208c
[INFO] running `Command { std: "docker" "start" "-a" "561b9ecd87fadc36221e8e87c2f5243f4a9d14e5eb80f54395637b64c6d4208c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling bytemuck v1.22.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]     Checking log v0.4.26
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]     Checking icu_locid_transform_data v1.5.0
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]     Checking icu_properties_data v1.5.0
[INFO] [stderr]    Compiling zerocopy v0.8.23
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]     Checking icu_normalizer_data v1.5.0
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling iana-time-zone v0.1.61
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling tracing-log v0.1.4
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling chrono v0.4.40
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking polyval v0.5.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking aead v0.4.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking ghash v0.4.4
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr] error: could not compile `regex-syntax` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/94382f34384023f3d2062a34ccf0bb6b4d44a75a/bin/rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.6.29/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --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"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment"))' -C metadata=a41253fe92415fc1 -C extra-filename=-fdf6b66a5f2005e2 --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] running `Command { std: "docker" "inspect" "561b9ecd87fadc36221e8e87c2f5243f4a9d14e5eb80f54395637b64c6d4208c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "561b9ecd87fadc36221e8e87c2f5243f4a9d14e5eb80f54395637b64c6d4208c", kill_on_drop: false }`
[INFO] [stdout] 561b9ecd87fadc36221e8e87c2f5243f4a9d14e5eb80f54395637b64c6d4208c
