[INFO] cloning repository https://github.com/Masterchef365/speedrun_winners
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Masterchef365/speedrun_winners" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMasterchef365%2Fspeedrun_winners", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMasterchef365%2Fspeedrun_winners'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bca4d6e2255f0bc8946437a84e8d0f9234312a3d
[INFO] testing Masterchef365/speedrun_winners against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMasterchef365%2Fspeedrun_winners" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Masterchef365/speedrun_winners 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 git repo https://github.com/Masterchef365/speedrun_winners
[INFO] finished tweaking git repo https://github.com/Masterchef365/speedrun_winners
[INFO] tweaked toml for git repo https://github.com/Masterchef365/speedrun_winners written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Masterchef365/speedrun_winners 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]     Updating git repository `https://github.com/Masterchef365/speedruns.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getset v0.1.1
[INFO] [stderr]   Downloaded graphql-parser v0.2.3
[INFO] [stderr]   Downloaded argh v0.1.5
[INFO] [stderr]   Downloaded argh_derive v0.1.5
[INFO] [stderr]   Downloaded if_chain v1.0.2
[INFO] [stderr]   Downloaded err-derive v0.3.0
[INFO] [stderr]   Downloaded validator v0.10.1
[INFO] [stderr]   Downloaded validator_derive v0.10.1
[INFO] [stderr]   Downloaded object v0.26.1
[INFO] [stderr]   Downloaded argh_shared v0.1.5
[INFO] [stderr]   Downloaded juniper v0.14.2
[INFO] [stderr]   Downloaded juniper-from-schema-code-gen v0.5.2
[INFO] [stderr]   Downloaded juniper-from-schema v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 99c127f68243ba6248592d550957c908b29439e0e3f424490ec891782167b3db
[INFO] running `Command { std: "docker" "start" "-a" "99c127f68243ba6248592d550957c908b29439e0e3f424490ec891782167b3db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99c127f68243ba6248592d550957c908b29439e0e3f424490ec891782167b3db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99c127f68243ba6248592d550957c908b29439e0e3f424490ec891782167b3db", kill_on_drop: false }`
[INFO] [stdout] 99c127f68243ba6248592d550957c908b29439e0e3f424490ec891782167b3db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 0d705ca8f0cd7f99c91ebae8d625417e0a9cef06af6743f020f166cf2f5e0fc9
[INFO] running `Command { std: "docker" "start" "-a" "0d705ca8f0cd7f99c91ebae8d625417e0a9cef06af6743f020f166cf2f5e0fc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling serde_derive v1.0.128
[INFO] [stderr]    Compiling serde v1.0.128
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling unicode-bidi v0.3.6
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]    Compiling if_chain v1.0.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling argh_shared v0.1.5
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling try_from v0.3.2
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling bytestring v1.0.0
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling object v0.26.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling err-derive v0.3.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling resolv-conf v0.6.3
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling parking_lot v0.11.1
[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-1.0.75/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="fold"' --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=3b8038a45bd0d480 -C extra-filename=-3b8038a45bd0d480 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-7fd25c3770c30c44.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-4f2ff32975dd8b04.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-11d097b41f2e60a4.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" "0d705ca8f0cd7f99c91ebae8d625417e0a9cef06af6743f020f166cf2f5e0fc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d705ca8f0cd7f99c91ebae8d625417e0a9cef06af6743f020f166cf2f5e0fc9", kill_on_drop: false }`
[INFO] [stdout] 0d705ca8f0cd7f99c91ebae8d625417e0a9cef06af6743f020f166cf2f5e0fc9