[INFO] fetching crate mdbook-wikilinks 0.3.5...
[INFO] checking mdbook-wikilinks-0.3.5 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate mdbook-wikilinks 0.3.5 into /workspace/builds/worker-70/source
[INFO] validating manifest of crates.io crate mdbook-wikilinks 0.3.5 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdbook-wikilinks 0.3.5
[INFO] finished tweaking crates.io crate mdbook-wikilinks 0.3.5
[INFO] tweaked toml for crates.io crate mdbook-wikilinks 0.3.5 written to /workspace/builds/worker-70/source/Cargo.toml
[INFO] crate crates.io crate mdbook-wikilinks 0.3.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a717afac672c804d2bf10c1e14029c6df5eb7643e991ce274271f58eba7474c6
[INFO] running `Command { std: "docker" "start" "-a" "a717afac672c804d2bf10c1e14029c6df5eb7643e991ce274271f58eba7474c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a717afac672c804d2bf10c1e14029c6df5eb7643e991ce274271f58eba7474c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a717afac672c804d2bf10c1e14029c6df5eb7643e991ce274271f58eba7474c6", kill_on_drop: false }`
[INFO] [stdout] a717afac672c804d2bf10c1e14029c6df5eb7643e991ce274271f58eba7474c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d38407dfd501a4ef3d4ad1ad2826b8c501baecab936a2cd92a2fbf92d204af27
[INFO] running `Command { std: "docker" "start" "-a" "d38407dfd501a4ef3d4ad1ad2826b8c501baecab936a2cd92a2fbf92d204af27", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking pathdiff v0.2.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]    Compiling maud_htmlescape v0.17.0
[INFO] [stderr]     Checking shlex v1.1.0
[INFO] [stderr]     Checking urlencoding v2.1.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking tracing-core v0.1.19
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking gitignore v1.0.7
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking toml v0.5.8
[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=fd0c3ba7c22fa1f4 -C extra-filename=-fd0c3ba7c22fa1f4 --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" "d38407dfd501a4ef3d4ad1ad2826b8c501baecab936a2cd92a2fbf92d204af27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d38407dfd501a4ef3d4ad1ad2826b8c501baecab936a2cd92a2fbf92d204af27", kill_on_drop: false }`
[INFO] [stdout] d38407dfd501a4ef3d4ad1ad2826b8c501baecab936a2cd92a2fbf92d204af27
