[INFO] fetching crate cuckoo_miner 0.5.2... [INFO] checking cuckoo_miner-0.5.2 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050 [INFO] extracting crate cuckoo_miner 0.5.2 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate cuckoo_miner 0.5.2 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-12/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f891138902f6197471f551ecd92598c22a8159275383f40c1c118fe2dcb8e02c [INFO] running `Command { std: "docker" "start" "-a" "f891138902f6197471f551ecd92598c22a8159275383f40c1c118fe2dcb8e02c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f891138902f6197471f551ecd92598c22a8159275383f40c1c118fe2dcb8e02c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f891138902f6197471f551ecd92598c22a8159275383f40c1c118fe2dcb8e02c", kill_on_drop: false }` [INFO] [stdout] f891138902f6197471f551ecd92598c22a8159275383f40c1c118fe2dcb8e02c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 12464c242e0716a1ee417ed1855b167062d6f55a5af491753cb0f2a7d8d22b56 [INFO] running `Command { std: "docker" "start" "-a" "12464c242e0716a1ee417ed1855b167062d6f55a5af491753cb0f2a7d8d22b56", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Checking slog v2.1.1 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking ucd-util v0.1.8 [INFO] [stderr] Compiling fs_extra v1.2.0 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking constant_time_eq v0.1.5 [INFO] [stderr] Compiling libloading v0.4.3 [INFO] [stderr] Checking utf8-ranges v1.0.4 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking byteorder v0.5.3 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Compiling cmake v0.1.45 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking crossbeam-utils v0.8.5 [INFO] [stderr] Checking const-cstr v0.2.1 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking term v0.7.0 [INFO] [stderr] Checking slog-term v2.8.0 [INFO] [stderr] Checking blake2-rfc v0.2.18 [INFO] [stderr] Compiling cuckoo_miner v0.5.2 (/opt/rustwide/workdir) [INFO] [stderr] Checking crossbeam-channel v0.5.1 [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 rust-crypto v0.2.36 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking slog-async v2.6.0 [INFO] [stderr] Checking 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" "12464c242e0716a1ee417ed1855b167062d6f55a5af491753cb0f2a7d8d22b56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12464c242e0716a1ee417ed1855b167062d6f55a5af491753cb0f2a7d8d22b56", kill_on_drop: false }` [INFO] [stdout] 12464c242e0716a1ee417ed1855b167062d6f55a5af491753cb0f2a7d8d22b56