[INFO] cloning repository https://github.com/kernelmachine/rsml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kernelmachine/rsml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkernelmachine%2Frsml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkernelmachine%2Frsml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba18ae61ebe818f95b3e62af8a9de7d1eb169f21
[INFO] testing kernelmachine/rsml against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkernelmachine%2Frsml" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kernelmachine/rsml on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kernelmachine/rsml
[INFO] finished tweaking git repo https://github.com/kernelmachine/rsml
[INFO] tweaked toml for git repo https://github.com/kernelmachine/rsml written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/kernelmachine/rsml already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itertools v0.4.16
[INFO] [stderr]   Downloaded rayon v0.4.0
[INFO] [stderr]   Downloaded num v0.1.32
[INFO] [stderr]   Downloaded libc v0.2.13
[INFO] [stderr]   Downloaded num-traits v0.1.32
[INFO] [stderr]   Downloaded matrixmultiply v0.1.8
[INFO] [stderr]   Downloaded num-rational v0.1.32
[INFO] [stderr]   Downloaded num-complex v0.1.32
[INFO] [stderr]   Downloaded ndarray-rand v0.2.0
[INFO] [stderr]   Downloaded rust-tfidf v1.0.4
[INFO] [stderr]   Downloaded typenum v1.2.0
[INFO] [stderr]   Downloaded num-bigint v0.1.32
[INFO] [stderr]   Downloaded ndarray v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c97f9198817b0db66c844e87f8976a723d963eac8ccde8faa87fcedb7f09c8e1
[INFO] running `Command { std: "docker" "start" "-a" "c97f9198817b0db66c844e87f8976a723d963eac8ccde8faa87fcedb7f09c8e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c97f9198817b0db66c844e87f8976a723d963eac8ccde8faa87fcedb7f09c8e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c97f9198817b0db66c844e87f8976a723d963eac8ccde8faa87fcedb7f09c8e1", kill_on_drop: false }`
[INFO] [stdout] c97f9198817b0db66c844e87f8976a723d963eac8ccde8faa87fcedb7f09c8e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae980a7c2b77c84bb2c0373eb2fd011a07838e5142b48c2bfaa7663472f826cc
[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" "ae980a7c2b77c84bb2c0373eb2fd011a07838e5142b48c2bfaa7663472f826cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.13
[INFO] [stderr]    Compiling rustc-serialize v0.3.19
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling ndarray v0.6.0
[INFO] [stderr]    Compiling typenum v1.2.0
[INFO] [stderr]    Compiling matrixmultiply v0.1.8
[INFO] [stderr]    Compiling itertools v0.4.16
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling num-iter v0.1.32
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling num_cpus v0.2.13
[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]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling rayon v0.4.0
[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" "ae980a7c2b77c84bb2c0373eb2fd011a07838e5142b48c2bfaa7663472f826cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae980a7c2b77c84bb2c0373eb2fd011a07838e5142b48c2bfaa7663472f826cc", kill_on_drop: false }`
[INFO] [stdout] ae980a7c2b77c84bb2c0373eb2fd011a07838e5142b48c2bfaa7663472f826cc