[INFO] cloning repository https://github.com/zcash/mpc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zcash/mpc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzcash%2Fmpc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzcash%2Fmpc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79e7689e78180b5b6b3855d2d2e3f213674121e9
[INFO] checking zcash/mpc against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzcash%2Fmpc" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/zcash/mpc on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zcash/mpc
[INFO] finished tweaking git repo https://github.com/zcash/mpc
[INFO] tweaked toml for git repo https://github.com/zcash/mpc written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/zcash/mpc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gcc v0.3.35
[INFO] [stderr]   Downloaded regex-syntax v0.3.5
[INFO] [stderr]   Downloaded crossbeam v0.2.10
[INFO] [stderr]   Downloaded bincode v0.6.0
[INFO] [stderr]   Downloaded constant_time_eq v0.1.2
[INFO] [stderr]   Downloaded blake2-rfc v0.2.17
[INFO] [stderr]   Downloaded regex v0.1.77
[INFO] [stderr]   Downloaded bn v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52723065b4f69ec022b95eebdcb28b23a925bacc4910b7a136c742e928b72d9b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "52723065b4f69ec022b95eebdcb28b23a925bacc4910b7a136c742e928b72d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52723065b4f69ec022b95eebdcb28b23a925bacc4910b7a136c742e928b72d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52723065b4f69ec022b95eebdcb28b23a925bacc4910b7a136c742e928b72d9b", kill_on_drop: false }`
[INFO] [stdout] 52723065b4f69ec022b95eebdcb28b23a925bacc4910b7a136c742e928b72d9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0a94b6bea20c7f043a0c6341e9fc80657dd3b4d2af7a8a5e7dacc66b9760143
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b0a94b6bea20c7f043a0c6341e9fc80657dd3b4d2af7a8a5e7dacc66b9760143", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking rustc-serialize v0.3.19
[INFO] [stderr]     Checking regex-syntax v0.3.5
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking constant_time_eq v0.1.2
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking crossbeam v0.2.10
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]    Compiling snark v0.0.1 (/opt/rustwide/workdir/snark)
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.19/src/serialize.rs:147:45
[INFO] [stdout]     |
[INFO] [stdout] 147 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking blake2-rfc v0.2.17
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0642`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b0a94b6bea20c7f043a0c6341e9fc80657dd3b4d2af7a8a5e7dacc66b9760143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0a94b6bea20c7f043a0c6341e9fc80657dd3b4d2af7a8a5e7dacc66b9760143", kill_on_drop: false }`
[INFO] [stdout] b0a94b6bea20c7f043a0c6341e9fc80657dd3b4d2af7a8a5e7dacc66b9760143