[INFO] cloning repository https://github.com/autumnai/leaf-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/autumnai/leaf-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fautumnai%2Fleaf-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fautumnai%2Fleaf-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73e491242f258440e19f7a18da1c649f5834a108
[INFO] checking autumnai/leaf-examples against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fautumnai%2Fleaf-examples" "/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/autumnai/leaf-examples on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/autumnai/leaf-examples
[INFO] finished tweaking git repo https://github.com/autumnai/leaf-examples
[INFO] tweaked toml for git repo https://github.com/autumnai/leaf-examples written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/autumnai/leaf-examples already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ae6ae7ea632b156cd87e4b57bc0ba263793d4359abc97f0da824f1efce8d4d7
[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" "9ae6ae7ea632b156cd87e4b57bc0ba263793d4359abc97f0da824f1efce8d4d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ae6ae7ea632b156cd87e4b57bc0ba263793d4359abc97f0da824f1efce8d4d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ae6ae7ea632b156cd87e4b57bc0ba263793d4359abc97f0da824f1efce8d4d7", kill_on_drop: false }`
[INFO] [stdout] 9ae6ae7ea632b156cd87e4b57bc0ba263793d4359abc97f0da824f1efce8d4d7
[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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 06490045858acab37fb3562237c9c18256111e997add98e620d4c456e7ed03c2
[INFO] running `Command { std: "docker" "start" "-a" "06490045858acab37fb3562237c9c18256111e997add98e620d4c456e7ed03c2", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.7
[INFO] [stderr]    Compiling pkg-config v0.3.7
[INFO] [stderr]     Checking rustc-serialize v0.3.18
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking lazy_static v0.1.15
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]     Checking winapi v0.2.5
[INFO] [stderr]    Compiling gcc v0.3.25
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling rblas v0.0.11
[INFO] [stderr]     Checking linear-map v0.0.4
[INFO] [stderr]     Checking byteorder v0.4.2
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking regex-syntax v0.2.5
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking matches v0.1.2
[INFO] [stderr]     Checking language-tags v0.0.7
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking traitobject v0.0.1
[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-0.3.18/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 byteorder v0.3.13
[INFO] [stderr]     Checking strsim v0.3.0
[INFO] [stderr]     Checking httparse v1.1.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.1
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking log v0.3.5
[INFO] [stderr]     Checking memchr v0.1.10
[INFO] [stderr]     Checking num_cpus v0.2.11
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking aho-corasick v0.5.1
[INFO] [stderr]    Compiling cudnn-sys v0.0.3
[INFO] [stderr]    Compiling cublas-sys v0.1.0
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]    Compiling openssl-sys v0.6.7
[INFO] [stderr]     Checking time v0.1.34
[INFO] [stderr]    Compiling unicase v1.3.0
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]     Checking regex v0.1.55
[INFO] [stderr]     Checking timeit v0.1.2
[INFO] [stderr]     Checking cudnn v1.3.1
[INFO] [stderr]     Checking cublas v0.2.0
[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" "06490045858acab37fb3562237c9c18256111e997add98e620d4c456e7ed03c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06490045858acab37fb3562237c9c18256111e997add98e620d4c456e7ed03c2", kill_on_drop: false }`
[INFO] [stdout] 06490045858acab37fb3562237c9c18256111e997add98e620d4c456e7ed03c2