[INFO] fetching crate swanling 0.0.0...
[INFO] checking swanling-0.0.0 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate swanling 0.0.0 into /workspace/builds/worker-98/source
[INFO] validating manifest of crates.io crate swanling 0.0.0 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate swanling 0.0.0
[INFO] finished tweaking crates.io crate swanling 0.0.0
[INFO] tweaked toml for crates.io crate swanling 0.0.0 written to /workspace/builds/worker-98/source/Cargo.toml
[INFO] crate crates.io crate swanling 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 603a1b089d820f0844a9fb29196cefabd1d94591a246bd693746bb4ddebaf50b
[INFO] running `Command { std: "docker" "start" "-a" "603a1b089d820f0844a9fb29196cefabd1d94591a246bd693746bb4ddebaf50b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "603a1b089d820f0844a9fb29196cefabd1d94591a246bd693746bb4ddebaf50b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "603a1b089d820f0844a9fb29196cefabd1d94591a246bd693746bb4ddebaf50b", kill_on_drop: false }`
[INFO] [stdout] 603a1b089d820f0844a9fb29196cefabd1d94591a246bd693746bb4ddebaf50b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dc5dd876ce99bb53d3af74d500052eb8238e2992bd2dbb127597d10525ba286
[INFO] running `Command { std: "docker" "start" "-a" "2dc5dd876ce99bb53d3af74d500052eb8238e2992bd2dbb127597d10525ba286", 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 libc v0.2.97
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking fastrand v1.4.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling siphasher v0.3.5
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking cpufeatures v0.1.4
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling isahc v1.4.0
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking levenshtein v1.0.5
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.4.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling tokio v1.7.0
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]     Checking spinning_top v0.2.4
[INFO] [stderr]     Checking sluice v0.5.4
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[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=c25dc19d7487cdf7 -C extra-filename=-c25dc19d7487cdf7 --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" "2dc5dd876ce99bb53d3af74d500052eb8238e2992bd2dbb127597d10525ba286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dc5dd876ce99bb53d3af74d500052eb8238e2992bd2dbb127597d10525ba286", kill_on_drop: false }`
[INFO] [stdout] 2dc5dd876ce99bb53d3af74d500052eb8238e2992bd2dbb127597d10525ba286