[INFO] fetching crate rustube 0.3.3...
[INFO] checking rustube-0.3.3 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate rustube 0.3.3 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate rustube 0.3.3 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustube 0.3.3
[INFO] finished tweaking crates.io crate rustube 0.3.3
[INFO] tweaked toml for crates.io crate rustube 0.3.3 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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" "+90442458ac46b1d5eed752c316da25450f67285b" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37ffb55adfce8ae4b280831adfb87738a1fa53856a104a9dbedb817e76dc50e4
[INFO] running `Command { std: "docker" "start" "-a" "37ffb55adfce8ae4b280831adfb87738a1fa53856a104a9dbedb817e76dc50e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37ffb55adfce8ae4b280831adfb87738a1fa53856a104a9dbedb817e76dc50e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37ffb55adfce8ae4b280831adfb87738a1fa53856a104a9dbedb817e76dc50e4", kill_on_drop: false }`
[INFO] [stdout] 37ffb55adfce8ae4b280831adfb87738a1fa53856a104a9dbedb817e76dc50e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d43054829bee00edddba0ef473088f50477e34f4a9788592cb1199217190e24a
[INFO] running `Command { std: "docker" "start" "-a" "d43054829bee00edddba0ef473088f50477e34f4a9788592cb1199217190e24a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.8.0
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking encoding_rs v0.8.28
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling test-env-log v0.2.7
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling derive_more v0.99.14
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking openssl-sys v0.9.65
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr] error: could not compile `darling_core`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name darling_core /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/darling_core-0.10.2/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="strsim"' --cfg 'feature="suggestions"' -C metadata=bfa7c57175407b66 -C extra-filename=-bfa7c57175407b66 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern fnv=/opt/rustwide/target/debug/deps/libfnv-74d41fd10066a65d.rmeta --extern ident_case=/opt/rustwide/target/debug/deps/libident_case-fe1c89c02c800411.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-4fc7cd6531551569.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-222a78d45ac6a98c.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-bed3c379aa62a430.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-ddde038055a2b76c.rmeta --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" "d43054829bee00edddba0ef473088f50477e34f4a9788592cb1199217190e24a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d43054829bee00edddba0ef473088f50477e34f4a9788592cb1199217190e24a", kill_on_drop: false }`
[INFO] [stdout] d43054829bee00edddba0ef473088f50477e34f4a9788592cb1199217190e24a