[INFO] fetching crate wkd-checker 0.4.0...
[INFO] testing wkd-checker-0.4.0 against beta-2021-09-12 for beta-1.56-2
[INFO] extracting crate wkd-checker 0.4.0 into /workspace/builds/worker-69/source
[INFO] validating manifest of crates.io crate wkd-checker 0.4.0 on toolchain beta-2021-09-12
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wkd-checker 0.4.0
[INFO] finished tweaking crates.io crate wkd-checker 0.4.0
[INFO] tweaked toml for crates.io crate wkd-checker 0.4.0 written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] crate crates.io crate wkd-checker 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2011e3c48b4bc3428c2ab077b72cd5415716b04641cda7c9ca4f1523d0b0906a
[INFO] running `Command { std: "docker" "start" "-a" "2011e3c48b4bc3428c2ab077b72cd5415716b04641cda7c9ca4f1523d0b0906a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2011e3c48b4bc3428c2ab077b72cd5415716b04641cda7c9ca4f1523d0b0906a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2011e3c48b4bc3428c2ab077b72cd5415716b04641cda7c9ca4f1523d0b0906a", kill_on_drop: false }`
[INFO] [stdout] 2011e3c48b4bc3428c2ab077b72cd5415716b04641cda7c9ca4f1523d0b0906a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-12" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 112aace5a75c9a177277d0924575e0f730e0d414434101557332cde487c69aa9
[INFO] running `Command { std: "docker" "start" "-a" "112aace5a75c9a177277d0924575e0f730e0d414434101557332cde487c69aa9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling arc-swap v0.4.4
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling memsec v0.5.7
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling dyn-clone v1.0.1
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling zbase32 v0.1.2
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling http v0.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling petgraph v0.4.13
[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-0.6.14/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=25eff2f412270a86 -C extra-filename=-25eff2f412270a86 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (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" "112aace5a75c9a177277d0924575e0f730e0d414434101557332cde487c69aa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "112aace5a75c9a177277d0924575e0f730e0d414434101557332cde487c69aa9", kill_on_drop: false }`
[INFO] [stdout] 112aace5a75c9a177277d0924575e0f730e0d414434101557332cde487c69aa9