[INFO] fetching crate version-checker 0.1.13... [INFO] testing version-checker-0.1.13 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate version-checker 0.1.13 into /workspace/builds/worker-56/source [INFO] validating manifest of crates.io crate version-checker 0.1.13 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate version-checker 0.1.13 [INFO] finished tweaking crates.io crate version-checker 0.1.13 [INFO] tweaked toml for crates.io crate version-checker 0.1.13 written to /workspace/builds/worker-56/source/Cargo.toml [INFO] crate crates.io crate version-checker 0.1.13 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3a7d43d0d1f0bc8014ddcf2dccb561c15c40d1c34563af03a50b0ccc06c1db80 [INFO] running `Command { std: "docker" "start" "-a" "3a7d43d0d1f0bc8014ddcf2dccb561c15c40d1c34563af03a50b0ccc06c1db80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3a7d43d0d1f0bc8014ddcf2dccb561c15c40d1c34563af03a50b0ccc06c1db80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a7d43d0d1f0bc8014ddcf2dccb561c15c40d1c34563af03a50b0ccc06c1db80", kill_on_drop: false }` [INFO] [stdout] 3a7d43d0d1f0bc8014ddcf2dccb561c15c40d1c34563af03a50b0ccc06c1db80 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ae4fca7a5b823edc3af4bb66c434b9c340c0fbf54ca6e5de7861fc9bb19c4bd7 [INFO] running `Command { std: "docker" "start" "-a" "ae4fca7a5b823edc3af4bb66c434b9c340c0fbf54ca6e5de7861fc9bb19c4bd7", 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] Compiling libc v0.2.82 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.58 [INFO] [stderr] Compiling log v0.4.13 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling cc v1.0.66 [INFO] [stderr] Compiling pin-project-lite v0.2.4 [INFO] [stderr] Compiling futures-core v0.3.10 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling futures-sink v0.3.10 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling once_cell v1.5.2 [INFO] [stderr] Compiling pin-project-internal v0.4.27 [INFO] [stderr] Compiling futures-io v0.3.10 [INFO] [stderr] Compiling serde v1.0.119 [INFO] [stderr] Compiling hashbrown v0.9.1 [INFO] [stderr] Compiling openssl v0.10.32 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling try-lock v0.2.3 [INFO] [stderr] Compiling pin-project-lite v0.1.11 [INFO] [stderr] Compiling openssl-probe v0.1.2 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling tower-service v0.3.0 [INFO] [stderr] Compiling httpdate v0.3.2 [INFO] [stderr] Compiling serde_json v1.0.61 [INFO] [stderr] Compiling encoding_rs v0.8.26 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling serde_derive v1.0.119 [INFO] [stderr] Compiling mime v0.3.16 [INFO] [stderr] Compiling adler32 v1.2.0 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling ipnet v2.3.0 [INFO] [stderr] Compiling regex-syntax v0.6.22 [INFO] [stderr] Compiling byteorder v1.4.2 [INFO] [stderr] Compiling futures-task v0.3.10 [INFO] [stderr] Compiling tracing-core v0.1.17 [INFO] [stderr] Compiling indexmap v1.6.1 [INFO] [stderr] Compiling http v0.2.3 [INFO] [stderr] Compiling tokio v1.0.1 [INFO] [stderr] Compiling tinyvec v1.1.0 [INFO] [stderr] Compiling form_urlencoded v1.0.0 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling thread_local v1.1.0 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling futures-channel v0.3.10 [INFO] [stderr] Compiling miniz_oxide v0.3.7 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling openssl-sys v0.9.60 [INFO] [stderr] Compiling bzip2-sys v0.1.9+1.0.8 [INFO] [stderr] Compiling tracing v0.1.22 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling unicode-normalization v0.1.16 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling http-body v0.3.1 [INFO] [stderr] Compiling http-body v0.4.0 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling mio v0.7.7 [INFO] [stderr] Compiling socket2 v0.3.19 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling flate2 v1.0.14 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling native-tls v0.2.7 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling semver-parser v0.10.2 [INFO] [stderr] Compiling regex v1.4.3 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling bzip2 v0.3.3 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Compiling url v2.2.0 [INFO] [stderr] Compiling tokio v0.2.24 [INFO] [stderr] Compiling serde_urlencoded v0.7.0 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Compiling chrono v0.4.19 [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-1.0.58/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=268afbe87662af7c -C extra-filename=-268afbe87662af7c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-4d038e1ab37629ce.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-4c5a9e80828de3e7.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-a00294059a9d31c4.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (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" "ae4fca7a5b823edc3af4bb66c434b9c340c0fbf54ca6e5de7861fc9bb19c4bd7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae4fca7a5b823edc3af4bb66c434b9c340c0fbf54ca6e5de7861fc9bb19c4bd7", kill_on_drop: false }` [INFO] [stdout] ae4fca7a5b823edc3af4bb66c434b9c340c0fbf54ca6e5de7861fc9bb19c4bd7