[INFO] fetching crate cuckoo_miner 0.5.2... [INFO] testing cuckoo_miner-0.5.2 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] extracting crate cuckoo_miner 0.5.2 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate cuckoo_miner 0.5.2 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate cuckoo_miner 0.5.2 [INFO] finished tweaking crates.io crate cuckoo_miner 0.5.2 [INFO] tweaked toml for crates.io crate cuckoo_miner 0.5.2 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 117ebe1673fa2aca7c50f8fb27af474d0ec5d9e5e0767656c302eada51bf5294 [INFO] running `Command { std: "docker" "start" "-a" "117ebe1673fa2aca7c50f8fb27af474d0ec5d9e5e0767656c302eada51bf5294", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "117ebe1673fa2aca7c50f8fb27af474d0ec5d9e5e0767656c302eada51bf5294", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "117ebe1673fa2aca7c50f8fb27af474d0ec5d9e5e0767656c302eada51bf5294", kill_on_drop: false }` [INFO] [stdout] 117ebe1673fa2aca7c50f8fb27af474d0ec5d9e5e0767656c302eada51bf5294 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 90ffbc1f12600a951b8eb3156895b57dc2c4134ade0b713421bef4856c3eff8a [INFO] running `Command { std: "docker" "start" "-a" "90ffbc1f12600a951b8eb3156895b57dc2c4134ade0b713421bef4856c3eff8a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Compiling slog v2.1.1 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling gimli v0.24.0 [INFO] [stderr] Compiling libloading v0.4.3 [INFO] [stderr] Compiling rustc-demangle v0.1.20 [INFO] [stderr] Compiling ucd-util v0.1.8 [INFO] [stderr] Compiling fs_extra v1.2.0 [INFO] [stderr] Compiling constant_time_eq v0.1.5 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling utf8-ranges v1.0.4 [INFO] [stderr] Compiling blake2-rfc v0.2.18 [INFO] [stderr] Compiling thread_local v1.1.3 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling object v0.25.3 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling cmake v0.1.45 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling slog-async v2.6.0 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling backtrace v0.3.60 [INFO] [stderr] Compiling cuckoo_miner v0.5.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `sanity::Finder` [INFO] [stdout] --> src/build.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | use sanity::Finder; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Finder` [INFO] [stdout] --> src/sanity.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub struct Finder { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/sanity.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `maybe_have` [INFO] [stdout] --> src/sanity.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn maybe_have>(&mut self, cmd: S) -> Option { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling addr2line v0.15.2 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] error: could not compile `syn` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.73/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=a9c26d8b7277686e -C extra-filename=-a9c26d8b7277686e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-4fc7cd6531551569.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-222a78d45ac6a98c.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-38987aa89d2b0d41.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" "90ffbc1f12600a951b8eb3156895b57dc2c4134ade0b713421bef4856c3eff8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90ffbc1f12600a951b8eb3156895b57dc2c4134ade0b713421bef4856c3eff8a", kill_on_drop: false }` [INFO] [stdout] 90ffbc1f12600a951b8eb3156895b57dc2c4134ade0b713421bef4856c3eff8a