[INFO] cloning repository https://github.com/lucidscape/imgui-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lucidscape/imgui-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucidscape%2Fimgui-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucidscape%2Fimgui-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de1ecdb12e5a344ba336d7fdb7c17b6a3b17819c
[INFO] checking lucidscape/imgui-rs against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucidscape%2Fimgui-rs" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lucidscape/imgui-rs on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lucidscape/imgui-rs
[INFO] finished tweaking git repo https://github.com/lucidscape/imgui-rs
[INFO] tweaked toml for git repo https://github.com/lucidscape/imgui-rs written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/lucidscape/imgui-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d40523e3074638bfb25342cccc1e3c049d3284683da11ff6358963ce6d50e0f
[INFO] running `Command { std: "docker" "start" "-a" "6d40523e3074638bfb25342cccc1e3c049d3284683da11ff6358963ce6d50e0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d40523e3074638bfb25342cccc1e3c049d3284683da11ff6358963ce6d50e0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d40523e3074638bfb25342cccc1e3c049d3284683da11ff6358963ce6d50e0f", kill_on_drop: false }`
[INFO] [stdout] 6d40523e3074638bfb25342cccc1e3c049d3284683da11ff6358963ce6d50e0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acdf8b1450feed41e7030fbebc28cc0efa601b430ad6dd38ed279356b099802e
[INFO] running `Command { std: "docker" "start" "-a" "acdf8b1450feed41e7030fbebc28cc0efa601b430ad6dd38ed279356b099802e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling libc v0.2.4
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]     Checking winapi v0.2.5
[INFO] [stderr]     Checking rustc-serialize v0.3.16
[INFO] [stderr]    Compiling gcc v0.3.21
[INFO] [stderr]    Compiling sdl2-sys v0.7.0
[INFO] [stderr]    Compiling xml-rs v0.2.2
[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]    Compiling advapi32-sys v0.1.2
[INFO] [stderr]    Compiling log v0.3.5
[INFO] [stderr]    Compiling gl_generator v0.4.2
[INFO] [stderr]    Compiling imgui-rs v1.47.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.3.12
[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" "acdf8b1450feed41e7030fbebc28cc0efa601b430ad6dd38ed279356b099802e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acdf8b1450feed41e7030fbebc28cc0efa601b430ad6dd38ed279356b099802e", kill_on_drop: false }`
[INFO] [stdout] acdf8b1450feed41e7030fbebc28cc0efa601b430ad6dd38ed279356b099802e