[INFO] cloning repository https://github.com/esotericnonsense/botfair
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/esotericnonsense/botfair" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesotericnonsense%2Fbotfair", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesotericnonsense%2Fbotfair'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a050914a76dafa4887b1ce0bcda8a575b906045
[INFO] testing esotericnonsense/botfair against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesotericnonsense%2Fbotfair" "/workspace/builds/worker-115/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-115/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/esotericnonsense/botfair on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/esotericnonsense/botfair
[INFO] finished tweaking git repo https://github.com/esotericnonsense/botfair
[INFO] tweaked toml for git repo https://github.com/esotericnonsense/botfair written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] crate git repo https://github.com/esotericnonsense/botfair already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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 wasm-bindgen-shared v0.2.51
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.51
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.51
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.51
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.51
[INFO] [stderr]   Downloaded hyper-rustls v0.17.1
[INFO] [stderr]   Downloaded js-sys v0.3.28
[INFO] [stderr]   Downloaded socks v0.3.2
[INFO] [stderr]   Downloaded web-sys v0.3.28
[INFO] [stderr]   Downloaded tokio-rustls v0.10.2
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.51
[INFO] [stderr]   Downloaded webpki-roots v0.17.0
[INFO] [stderr]   Downloaded ring v0.16.9
[INFO] [stderr]   Downloaded webpki v0.21.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58ae777d554d586dc84d9e3f387f3525f3c1455143c64904fa0a27871b7cc8ec
[INFO] running `Command { std: "docker" "start" "-a" "58ae777d554d586dc84d9e3f387f3525f3c1455143c64904fa0a27871b7cc8ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58ae777d554d586dc84d9e3f387f3525f3c1455143c64904fa0a27871b7cc8ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58ae777d554d586dc84d9e3f387f3525f3c1455143c64904fa0a27871b7cc8ec", kill_on_drop: false }`
[INFO] [stdout] 58ae777d554d586dc84d9e3f387f3525f3c1455143c64904fa0a27871b7cc8ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb003ce10f1c47d4d6cd0aef4c1fdb5e6605590f2ccd979302ab73ae7ee0112e
[INFO] running `Command { std: "docker" "start" "-a" "cb003ce10f1c47d4d6cd0aef4c1fdb5e6605590f2ccd979302ab73ae7ee0112e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling untrusted v0.7.0
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling encoding_rs v0.8.20
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling mime v0.3.14
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling try_from v0.3.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling tokio-executor v0.1.8
[INFO] [stderr]    Compiling tokio-sync v0.1.7
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling socks v0.3.2
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling flate2 v1.0.12
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling url v2.1.0
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling http v0.1.19
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling synstructure v0.12.1
[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-1.0.5/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=b2f2dbe0acacbc08 -C extra-filename=-b2f2dbe0acacbc08 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-57567ed38956e028.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-540fcebed45f0292.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-b1a0994eb3258d73.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" "cb003ce10f1c47d4d6cd0aef4c1fdb5e6605590f2ccd979302ab73ae7ee0112e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb003ce10f1c47d4d6cd0aef4c1fdb5e6605590f2ccd979302ab73ae7ee0112e", kill_on_drop: false }`
[INFO] [stdout] cb003ce10f1c47d4d6cd0aef4c1fdb5e6605590f2ccd979302ab73ae7ee0112e