[INFO] cloning repository https://github.com/fenollp/nnrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fenollp/nnrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffenollp%2Fnnrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffenollp%2Fnnrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ecc83d6b83c12552ce1a667aaf1cbef213015d2
[INFO] checking fenollp/nnrs against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffenollp%2Fnnrs" "/workspace/builds/worker-33/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-33/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fenollp/nnrs 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/fenollp/nnrs
[INFO] finished tweaking git repo https://github.com/fenollp/nnrs
[INFO] tweaked toml for git repo https://github.com/fenollp/nnrs written to /workspace/builds/worker-33/source/Cargo.toml
[INFO] crate git repo https://github.com/fenollp/nnrs 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] 8f1e53e64fb7bc9056ad34a72decbc987315bbb50bc78b2a134e028287bff05d
[INFO] running `Command { std: "docker" "start" "-a" "8f1e53e64fb7bc9056ad34a72decbc987315bbb50bc78b2a134e028287bff05d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f1e53e64fb7bc9056ad34a72decbc987315bbb50bc78b2a134e028287bff05d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f1e53e64fb7bc9056ad34a72decbc987315bbb50bc78b2a134e028287bff05d", kill_on_drop: false }`
[INFO] [stdout] 8f1e53e64fb7bc9056ad34a72decbc987315bbb50bc78b2a134e028287bff05d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] eb3c679aed39f66c0ee78b14f0509596200f3da5124dbfd6a0d1ce7b8b0233db
[INFO] running `Command { std: "docker" "start" "-a" "eb3c679aed39f66c0ee78b14f0509596200f3da5124dbfd6a0d1ce7b8b0233db", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.4
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking regex-syntax v0.2.2
[INFO] [stderr]     Checking strsim v0.3.0
[INFO] [stderr]    Compiling randomkit v0.1.0
[INFO] [stderr]     Checking rustc-serialize v0.3.16
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking num v0.1.30
[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] [stderr]     Checking memchr v0.1.7
[INFO] [stderr]    Compiling rustc_version v0.1.4
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` due to 2 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0642`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "eb3c679aed39f66c0ee78b14f0509596200f3da5124dbfd6a0d1ce7b8b0233db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb3c679aed39f66c0ee78b14f0509596200f3da5124dbfd6a0d1ce7b8b0233db", kill_on_drop: false }`
[INFO] [stdout] eb3c679aed39f66c0ee78b14f0509596200f3da5124dbfd6a0d1ce7b8b0233db