[INFO] cloning repository https://github.com/warycat/walrus_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/warycat/walrus_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwarycat%2Fwalrus_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwarycat%2Fwalrus_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4fdebe4f3a189240c19ca3328e7ba45c978635b3
[INFO] checking warycat/walrus_demo against master#2ad4eb207b369017f5140918b5e4b0d3650b46b0 for pr-95611
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwarycat%2Fwalrus_demo" "/workspace/builds/worker-63/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-63/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/warycat/walrus_demo on toolchain 2ad4eb207b369017f5140918b5e4b0d3650b46b0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/warycat/walrus_demo
[INFO] finished tweaking git repo https://github.com/warycat/walrus_demo
[INFO] tweaked toml for git repo https://github.com/warycat/walrus_demo written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] crate git repo https://github.com/warycat/walrus_demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Found `debug_assertions` in `target.'cfg(...)'.dependencies`. This value is not supported for selecting dependencies and will not work as expected. To learn more visit https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.55
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.55
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.55
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.55
[INFO] [stderr]   Downloaded bit-vec v0.5.1
[INFO] [stderr]   Downloaded ena v0.13.1
[INFO] [stderr]   Downloaded lalrpop-util v0.17.2
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.55
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.55
[INFO] [stderr]   Downloaded web-sys v0.3.32
[INFO] [stderr]   Downloaded lalrpop v0.17.2
[INFO] [stderr]   Downloaded id-arena v2.2.1
[INFO] [stderr]   Downloaded ascii-canvas v2.0.0
[INFO] [stderr]   Downloaded walrus-macro v0.14.0
[INFO] [stderr]   Downloaded wast v4.0.0
[INFO] [stderr]   Downloaded walrus v0.14.0
[INFO] [stderr]   Downloaded wat v1.0.5
[INFO] [stderr]   Downloaded js-sys v0.3.32
[INFO] [stderr]   Downloaded bit-set v0.5.1
[INFO] [stderr]   Downloaded wasmparser v0.42.1
[INFO] [stderr]   Downloaded string_cache v0.7.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:fd6e315fe1d87bcb2c452ec5cc96a17426cdc68c8a579d2e15b282cf6465d787" "/opt/rustwide/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3bd87cc09aa91f53c6df04d0f2ede2c3560815b0c1f9989d8588f92c32a58f5
[INFO] running `Command { std: "docker" "start" "-a" "f3bd87cc09aa91f53c6df04d0f2ede2c3560815b0c1f9989d8588f92c32a58f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3bd87cc09aa91f53c6df04d0f2ede2c3560815b0c1f9989d8588f92c32a58f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3bd87cc09aa91f53c6df04d0f2ede2c3560815b0c1f9989d8588f92c32a58f5", kill_on_drop: false }`
[INFO] [stdout] f3bd87cc09aa91f53c6df04d0f2ede2c3560815b0c1f9989d8588f92c32a58f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:fd6e315fe1d87bcb2c452ec5cc96a17426cdc68c8a579d2e15b282cf6465d787" "/opt/rustwide/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57ca16080669091a3f9e190bd1e25b546f0ff387b0361e50d1f1c3482b818236
[INFO] running `Command { std: "docker" "start" "-a" "57ca16080669091a3f9e190bd1e25b546f0ff387b0361e50d1f1c3482b818236", kill_on_drop: false }`
[INFO] [stderr] warning: Found `debug_assertions` in `target.'cfg(...)'.dependencies`. This value is not supported for selecting dependencies and will not work as expected. To learn more visit https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.55
[INFO] [stderr]    Compiling bumpalo v2.6.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling anyhow v1.0.25
[INFO] [stderr]    Compiling wasm-bindgen v0.2.55
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.5
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking id-arena v2.2.1
[INFO] [stderr]     Checking wasmparser v0.42.1
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling petgraph v0.4.13
[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 block-padding v0.1.5
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking wast v4.0.0
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling bit-set v0.5.1
[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-0.6.12/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 -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=d83acbb9587b43a8 -C extra-filename=-d83acbb9587b43a8 --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" "57ca16080669091a3f9e190bd1e25b546f0ff387b0361e50d1f1c3482b818236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57ca16080669091a3f9e190bd1e25b546f0ff387b0361e50d1f1c3482b818236", kill_on_drop: false }`
[INFO] [stdout] 57ca16080669091a3f9e190bd1e25b546f0ff387b0361e50d1f1c3482b818236