[INFO] fetching crate dinghy-lib 0.4.62...
[INFO] testing dinghy-lib-0.4.62 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate dinghy-lib 0.4.62 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate dinghy-lib 0.4.62 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dinghy-lib 0.4.62
[INFO] finished tweaking crates.io crate dinghy-lib 0.4.62
[INFO] tweaked toml for crates.io crate dinghy-lib 0.4.62 written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crates-io v0.33.0
[INFO] [stderr]   Downloaded cargo-platform v0.1.2
[INFO] [stderr]   Downloaded shellexpand v2.1.0
[INFO] [stderr]   Downloaded im-rc v15.0.0
[INFO] [stderr]   Downloaded dinghy-build v0.4.62
[INFO] [stderr]   Downloaded utf8parse v0.1.1
[INFO] [stderr]   Downloaded rustc-workspace-hack v1.0.0
[INFO] [stderr]   Downloaded strip-ansi-escapes v0.1.0
[INFO] [stderr]   Downloaded plist v1.2.0
[INFO] [stderr]   Downloaded fwdansi v1.1.0
[INFO] [stderr]   Downloaded commoncrypto v0.2.0
[INFO] [stderr]   Downloaded crypto-hash v0.3.4
[INFO] [stderr]   Downloaded sized-chunks v0.6.5
[INFO] [stderr]   Downloaded cargo-util v0.1.1
[INFO] [stderr]   Downloaded commoncrypto-sys v0.2.0
[INFO] [stderr]   Downloaded rustfix v0.5.1
[INFO] [stderr]   Downloaded git2-curl v0.14.1
[INFO] [stderr]   Downloaded opener v0.4.1
[INFO] [stderr]   Downloaded which v4.2.2
[INFO] [stderr]   Downloaded cargo v0.54.0
[INFO] [stderr]   Downloaded vte v0.3.3
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d3cc7cc5a6aee1abdbc4c1ab82fde452632c9b55415bd69f0b736bd26e02d72
[INFO] running `Command { std: "docker" "start" "-a" "9d3cc7cc5a6aee1abdbc4c1ab82fde452632c9b55415bd69f0b736bd26e02d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d3cc7cc5a6aee1abdbc4c1ab82fde452632c9b55415bd69f0b736bd26e02d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d3cc7cc5a6aee1abdbc4c1ab82fde452632c9b55415bd69f0b736bd26e02d72", kill_on_drop: false }`
[INFO] [stdout] 9d3cc7cc5a6aee1abdbc4c1ab82fde452632c9b55415bd69f0b736bd26e02d72
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7539c6ee43555f6736cfc8894a7a23c0511d533e1cbe68d1361faf4c8e17628
[INFO] running `Command { std: "docker" "start" "-a" "e7539c6ee43555f6736cfc8894a7a23c0511d533e1cbe68d1361faf4c8e17628", 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 syn v1.0.74
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling shell-escape v0.1.5
[INFO] [stderr]    Compiling dinghy-lib v0.4.62 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bytesize v1.1.0
[INFO] [stderr]    Compiling rustc-workspace-hack v1.0.0
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling opener v0.4.1
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling line-wrap v0.1.1
[INFO] [stderr]    Compiling jobserver v0.1.23
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling object v0.26.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling tar v0.4.35
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling vte v0.3.3
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling globset v0.4.8
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling strip-ansi-escapes v0.1.0
[INFO] [stderr]    Compiling which v4.2.2
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling shellexpand v2.1.0
[INFO] [stderr]    Compiling dinghy-build v0.4.62
[INFO] [stderr]    Compiling ignore v0.4.18
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.6+1.43.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling curl-sys v0.4.45+curl-7.78.0
[INFO] [stderr]    Compiling libgit2-sys v0.12.21+1.1.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling sized-chunks v0.6.5
[INFO] [stderr]    Compiling cargo v0.54.0
[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-1.0.74/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="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=b42169fb09bd4ae4 -C extra-filename=-b42169fb09bd4ae4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-842c01cbc6d4eb4a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-0dd32b08acf7cc97.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-fa95828b78fbac73.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" "e7539c6ee43555f6736cfc8894a7a23c0511d533e1cbe68d1361faf4c8e17628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7539c6ee43555f6736cfc8894a7a23c0511d533e1cbe68d1361faf4c8e17628", kill_on_drop: false }`
[INFO] [stdout] e7539c6ee43555f6736cfc8894a7a23c0511d533e1cbe68d1361faf4c8e17628
