[INFO] cloning repository https://github.com/gavinb/mandelrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gavinb/mandelrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgavinb%2Fmandelrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgavinb%2Fmandelrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54addf783566738ec67b09a3e2df09c6531ef307
[INFO] checking gavinb/mandelrust against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgavinb%2Fmandelrust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gavinb/mandelrust on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gavinb/mandelrust
[INFO] finished tweaking git repo https://github.com/gavinb/mandelrust
[INFO] tweaked toml for git repo https://github.com/gavinb/mandelrust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/gavinb/mandelrust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: path `/workspace/builds/worker-8/source/src/mandelrust.rs` was erroneously implicitly accepted for binary `mandelrust`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr] warning: path `/workspace/builds/worker-8/source/src/mr.rs` was erroneously implicitly accepted for binary `mr`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shared_library v0.1.4
[INFO] [stderr]   Downloaded core-graphics v0.3.0
[INFO] [stderr]   Downloaded png v0.5.0
[INFO] [stderr]   Downloaded cgl v0.1.4
[INFO] [stderr]   Downloaded serde v0.7.4
[INFO] [stderr]   Downloaded smallvec v0.1.7
[INFO] [stderr]   Downloaded cocoa v0.3.2
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.4
[INFO] [stderr]   Downloaded libloading v0.2.2
[INFO] [stderr]   Downloaded x11-dl v2.4.0
[INFO] [stderr]   Downloaded glutin v0.5.1
[INFO] [stderr]   Downloaded gleam v0.2.18
[INFO] [stderr]   Downloaded core-foundation-sys v0.2.1
[INFO] [stderr]   Downloaded core-foundation v0.2.1
[INFO] [stderr]   Downloaded fs2 v0.2.4
[INFO] [stderr]   Downloaded image v0.10.0
[INFO] [stderr]   Downloaded gl_generator v0.5.1
[INFO] [stderr]   Downloaded gif v0.8.0
[INFO] [stderr]   Downloaded euclid v0.6.6
[INFO] [stderr]   Downloaded glium v0.14.0
[INFO] [stderr]   Downloaded xml-rs v0.3.2
[INFO] [stderr]   Downloaded wayland-client v0.5.11
[INFO] [stderr]   Downloaded wayland-kbd v0.3.5
[INFO] [stderr]   Downloaded rayon v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1a92de0b703a95d881dcbe92e24ebf5d192b06bf799589b84011f8a37f29bfd
[INFO] running `Command { std: "docker" "start" "-a" "d1a92de0b703a95d881dcbe92e24ebf5d192b06bf799589b84011f8a37f29bfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1a92de0b703a95d881dcbe92e24ebf5d192b06bf799589b84011f8a37f29bfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1a92de0b703a95d881dcbe92e24ebf5d192b06bf799589b84011f8a37f29bfd", kill_on_drop: false }`
[INFO] [stdout] d1a92de0b703a95d881dcbe92e24ebf5d192b06bf799589b84011f8a37f29bfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23ae130c5a8a1f2d0a55af3ed4b5c0b71706e07ee04bc882b90bad5a4a77d886
[INFO] running `Command { std: "docker" "start" "-a" "23ae130c5a8a1f2d0a55af3ed4b5c0b71706e07ee04bc882b90bad5a4a77d886", kill_on_drop: false }`
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/mandelrust.rs` was erroneously implicitly accepted for binary `mandelrust`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/mr.rs` was erroneously implicitly accepted for binary `mr`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]     Checking libc v0.2.11
[INFO] [stderr]     Checking winapi v0.2.6
[INFO] [stderr]    Compiling bitflags v0.6.0
[INFO] [stderr]    Compiling gcc v0.3.28
[INFO] [stderr]     Checking num-traits v0.1.32
[INFO] [stderr]    Compiling libloading v0.2.2
[INFO] [stderr]     Checking lazy_static v0.2.1
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking byteorder v0.5.1
[INFO] [stderr]     Checking crossbeam v0.2.9
[INFO] [stderr]     Checking rustc-serialize v0.3.19
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking debug-builders v0.1.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]     Checking smallvec v0.1.7
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling xml-rs v0.3.2
[INFO] [stderr]     Checking kernel32-sys v0.2.2
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking fs2 v0.2.4
[INFO] [stderr]     Checking dylib v0.0.1
[INFO] [stderr]     Checking shared_library v0.1.4
[INFO] [stderr]     Checking num_cpus v0.2.11
[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]     Checking gif v0.8.0
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking memmap v0.2.3
[INFO] [stderr]     Checking osmesa-sys v0.0.5
[INFO] [stderr]     Checking x11-dl v2.4.0
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking dlib v0.3.0
[INFO] [stderr]     Checking wayland-sys v0.5.11
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.4
[INFO] [stderr]    Compiling tempfile v2.1.3
[INFO] [stderr]     Checking num v0.1.32
[INFO] [stderr]     Checking deque v0.3.1
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]    Compiling gl_generator v0.5.1
[INFO] [stderr]     Checking enum_primitive v0.1.0
[INFO] [stderr]     Checking rayon v0.3.1
[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] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-0.3.1/src/par_iter/internal.rs:25:40
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn split_at(self, index: usize) -> (Self, Self);
[INFO] [stdout]    |                                        ^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = note: only the last element of a tuple may have a dynamically sized type
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn split_at(self, index: usize) -> (Self, Self) where Self: Sized;
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-0.3.1/src/par_iter/internal.rs:42:40
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn split_at(self, index: usize) -> (Self, Self, Self::Reducer);
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = note: only the last element of a tuple may have a dynamically sized type
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn split_at(self, index: usize) -> (Self, Self, Self::Reducer) where Self: Sized;
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "23ae130c5a8a1f2d0a55af3ed4b5c0b71706e07ee04bc882b90bad5a4a77d886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23ae130c5a8a1f2d0a55af3ed4b5c0b71706e07ee04bc882b90bad5a4a77d886", kill_on_drop: false }`
[INFO] [stdout] 23ae130c5a8a1f2d0a55af3ed4b5c0b71706e07ee04bc882b90bad5a4a77d886