[INFO] cloning repository https://github.com/south37/rust-websocket-connection
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/south37/rust-websocket-connection" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsouth37%2Frust-websocket-connection", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsouth37%2Frust-websocket-connection'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd9a253e1e9fbdd3d2b6d5b722f69be66f295f90
[INFO] checking south37/rust-websocket-connection against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsouth37%2Frust-websocket-connection" "/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/south37/rust-websocket-connection on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/south37/rust-websocket-connection
[INFO] finished tweaking git repo https://github.com/south37/rust-websocket-connection
[INFO] tweaked toml for git repo https://github.com/south37/rust-websocket-connection written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/south37/rust-websocket-connection already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", 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] 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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c68ada7a5bb84bf26f3b033b6e31f6cb86994102be443ffc59619d8e67aa02c4
[INFO] running `Command { std: "docker" "start" "-a" "c68ada7a5bb84bf26f3b033b6e31f6cb86994102be443ffc59619d8e67aa02c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c68ada7a5bb84bf26f3b033b6e31f6cb86994102be443ffc59619d8e67aa02c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c68ada7a5bb84bf26f3b033b6e31f6cb86994102be443ffc59619d8e67aa02c4", kill_on_drop: false }`
[INFO] [stdout] c68ada7a5bb84bf26f3b033b6e31f6cb86994102be443ffc59619d8e67aa02c4
[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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51cc61f47768418c3bc7b308cdf974b272f96d70cd87be17abe5da5742138823
[INFO] running `Command { std: "docker" "start" "-a" "51cc61f47768418c3bc7b308cdf974b272f96d70cd87be17abe5da5742138823", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.1.10
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.4
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]    Compiling gcc v0.3.18
[INFO] [stderr]     Checking bitflags v0.3.2
[INFO] [stderr]     Checking bytes v0.2.10 (https://github.com/carllerche/bytes?rev=7edb577d0a#7edb577d)
[INFO] [stderr]     Checking slab v0.1.2
[INFO] [stderr]     Checking byteorder v0.3.13
[INFO] [stderr]     Checking rustc-serialize v0.3.16
[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-0.3.16/src/serialize.rs:145:45
[INFO] [stdout]     |
[INFO] [stdout] 145 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "51cc61f47768418c3bc7b308cdf974b272f96d70cd87be17abe5da5742138823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51cc61f47768418c3bc7b308cdf974b272f96d70cd87be17abe5da5742138823", kill_on_drop: false }`
[INFO] [stdout] 51cc61f47768418c3bc7b308cdf974b272f96d70cd87be17abe5da5742138823