[INFO] cloning repository https://github.com/dmweis/discord_relay
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmweis/discord_relay" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmweis%2Fdiscord_relay", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmweis%2Fdiscord_relay'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e63fd92990df700a3bb649a65594f937ce5e811
[INFO] checking dmweis/discord_relay against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmweis%2Fdiscord_relay" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dmweis/discord_relay 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 git repo https://github.com/dmweis/discord_relay
[INFO] finished tweaking git repo https://github.com/dmweis/discord_relay
[INFO] tweaked toml for git repo https://github.com/dmweis/discord_relay written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/dmweis/discord_relay already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded traitobject v0.1.0
[INFO] [stderr]   Downloaded uwl v0.4.2
[INFO] [stderr]   Downloaded error-chain v0.12.2
[INFO] [stderr]   Downloaded miniz_oxide v0.3.6
[INFO] [stderr]   Downloaded hyper v0.12.35
[INFO] [stderr]   Downloaded reqwest v0.9.24
[INFO] [stderr]   Downloaded smallvec v1.3.0
[INFO] [stderr]   Downloaded hyper-rustls v0.17.1
[INFO] [stderr]   Downloaded threadpool v1.7.1
[INFO] [stderr]   Downloaded command_attr v0.1.6
[INFO] [stderr]   Downloaded unsafe-any v0.4.2
[INFO] [stderr]   Downloaded typemap v0.3.3
[INFO] [stderr]   Downloaded tokio-rustls v0.10.3
[INFO] [stderr]   Downloaded flate2 v1.0.14
[INFO] [stderr]   Downloaded tungstenite v0.9.2
[INFO] [stderr]   Downloaded webpki-roots v0.17.0
[INFO] [stderr]   Downloaded rustls v0.16.0
[INFO] [stderr]   Downloaded serenity v0.7.5
[INFO] [stderr]   Downloaded http v0.1.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 0b6649c3d36cd2db0d76cb84efe7980da4337a1706d72f712653418b2e2489f0
[INFO] running `Command { std: "docker" "start" "-a" "0b6649c3d36cd2db0d76cb84efe7980da4337a1706d72f712653418b2e2489f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b6649c3d36cd2db0d76cb84efe7980da4337a1706d72f712653418b2e2489f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b6649c3d36cd2db0d76cb84efe7980da4337a1706d72f712653418b2e2489f0", kill_on_drop: false }`
[INFO] [stdout] 0b6649c3d36cd2db0d76cb84efe7980da4337a1706d72f712653418b2e2489f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 8fae9bb5fca1b4f885a92b8417bb2e523716b6916d7af7e495d44655ef0b6ee4
[INFO] running `Command { std: "docker" "start" "-a" "8fae9bb5fca1b4f885a92b8417bb2e523716b6916d7af7e495d44655ef0b6ee4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking smallvec v1.3.0
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling serenity v0.7.5
[INFO] [stderr]     Checking humantime v2.0.0
[INFO] [stderr]     Checking uwl v0.4.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking ring v0.16.12
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling zeromq-src v0.1.8+4.3.2
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling libzmq-sys v0.1.7+4.3.2 (https://github.com/dmweis/libzmq-rs#f65b98f3)
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking ct-logs v0.6.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking webpki-roots v0.17.0
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tungstenite v0.9.2
[INFO] [stderr]     Checking tokio-rustls v0.10.3
[INFO] [stderr]    Compiling synstructure v0.12.3
[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-1.0.17/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=65dd7e8141e2ad85 -C extra-filename=-65dd7e8141e2ad85 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-e1df0502f73abdfb.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-41cbc8fc7f9410fb.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-4a6c9433f1516f68.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" "8fae9bb5fca1b4f885a92b8417bb2e523716b6916d7af7e495d44655ef0b6ee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fae9bb5fca1b4f885a92b8417bb2e523716b6916d7af7e495d44655ef0b6ee4", kill_on_drop: false }`
[INFO] [stdout] 8fae9bb5fca1b4f885a92b8417bb2e523716b6916d7af7e495d44655ef0b6ee4