[INFO] fetching crate toy-rpc 0.9.0-alpha.2...
[INFO] checking toy-rpc-0.9.0-alpha.2 against master#df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e for pr-95474
[INFO] extracting crate toy-rpc 0.9.0-alpha.2 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate toy-rpc 0.9.0-alpha.2 on toolchain df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate toy-rpc 0.9.0-alpha.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate toy-rpc 0.9.0-alpha.2
[INFO] tweaked toml for crates.io crate toy-rpc 0.9.0-alpha.2 written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "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] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbc8ab6a8362ecceb91621dee115320b5ba33ec60907cf5ed340c5822b4a7a6f
[INFO] running `Command { std: "docker" "start" "-a" "cbc8ab6a8362ecceb91621dee115320b5ba33ec60907cf5ed340c5822b4a7a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbc8ab6a8362ecceb91621dee115320b5ba33ec60907cf5ed340c5822b4a7a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbc8ab6a8362ecceb91621dee115320b5ba33ec60907cf5ed340c5822b4a7a6f", kill_on_drop: false }`
[INFO] [stdout] cbc8ab6a8362ecceb91621dee115320b5ba33ec60907cf5ed340c5822b4a7a6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f183a337523c95748cbb2e9a86ea0ecd9cec06165a18114c5d3c708c4ce8df68
[INFO] running `Command { std: "docker" "start" "-a" "f183a337523c95748cbb2e9a86ea0ecd9cec06165a18114c5d3c708c4ce8df68", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking lazy_static v1.4.0
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[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking pin-project-lite v0.1.12
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[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.29
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling const_fn v0.4.9
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking event-listener v2.5.2
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking async-task v4.2.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.5
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling erased-serde v0.3.20
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.24
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.5.0
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]     Checking bytestring v1.0.0
[INFO] [stderr]     Checking alloc-stdlib v0.2.1
[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 --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,future-incompat --crate-type lib --emit=dep-info,metadata -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=b65cedb3bd8cf729 -C extra-filename=-b65cedb3bd8cf729 --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" "f183a337523c95748cbb2e9a86ea0ecd9cec06165a18114c5d3c708c4ce8df68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f183a337523c95748cbb2e9a86ea0ecd9cec06165a18114c5d3c708c4ce8df68", kill_on_drop: false }`
[INFO] [stdout] f183a337523c95748cbb2e9a86ea0ecd9cec06165a18114c5d3c708c4ce8df68