[INFO] cloning repository https://github.com/tetcoin/parity-testgen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tetcoin/parity-testgen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetcoin%2Fparity-testgen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetcoin%2Fparity-testgen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12b9e42baa291b428435524dca229b66af13ab7d
[INFO] testing tetcoin/parity-testgen against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetcoin%2Fparity-testgen" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tetcoin/parity-testgen on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tetcoin/parity-testgen
[INFO] finished tweaking git repo https://github.com/tetcoin/parity-testgen
[INFO] tweaked toml for git repo https://github.com/tetcoin/parity-testgen written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate git repo https://github.com/tetcoin/parity-testgen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0668ffc8e3f9b06fb369067fd57c5f5c15424ebe16cba6b6f39b5cded51add78
[INFO] running `Command { std: "docker" "start" "-a" "0668ffc8e3f9b06fb369067fd57c5f5c15424ebe16cba6b6f39b5cded51add78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0668ffc8e3f9b06fb369067fd57c5f5c15424ebe16cba6b6f39b5cded51add78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0668ffc8e3f9b06fb369067fd57c5f5c15424ebe16cba6b6f39b5cded51add78", kill_on_drop: false }`
[INFO] [stdout] 0668ffc8e3f9b06fb369067fd57c5f5c15424ebe16cba6b6f39b5cded51add78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 058ab551a85a4ca6ccf012323b3eb8907691c4ab8efa26fb668dc96d3fab5ba7
[INFO] running `Command { std: "docker" "start" "-a" "058ab551a85a4ca6ccf012323b3eb8907691c4ab8efa26fb668dc96d3fab5ba7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.11
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.7
[INFO] [stderr]    Compiling rustc-serialize v0.3.19
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling gcc v0.3.28
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]    Compiling lazy_static v0.2.1
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling odds v0.2.14
[INFO] [stderr]    Compiling matches v0.1.2
[INFO] [stderr]    Compiling regex-syntax v0.3.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.2
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling strsim v0.3.0
[INFO] [stderr]    Compiling num-traits v0.1.32
[INFO] [stderr]    Compiling serde v0.7.7
[INFO] [stderr]    Compiling tiny-keccak v1.0.5
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling httparse v1.1.2
[INFO] [stderr]    Compiling traitobject v0.0.1
[INFO] [stderr]    Compiling unicode-bidi v0.2.3
[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] [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" "058ab551a85a4ca6ccf012323b3eb8907691c4ab8efa26fb668dc96d3fab5ba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "058ab551a85a4ca6ccf012323b3eb8907691c4ab8efa26fb668dc96d3fab5ba7", kill_on_drop: false }`
[INFO] [stdout] 058ab551a85a4ca6ccf012323b3eb8907691c4ab8efa26fb668dc96d3fab5ba7