[INFO] cloning repository https://github.com/papertigers/imgur-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/papertigers/imgur-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpapertigers%2Fimgur-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpapertigers%2Fimgur-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c0d2c2d0ec1c330be9f1dce8c96f7931ed709d1b
[INFO] checking papertigers/imgur-rs against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpapertigers%2Fimgur-rs" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/papertigers/imgur-rs on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/papertigers/imgur-rs
[INFO] finished tweaking git repo https://github.com/papertigers/imgur-rs
[INFO] tweaked toml for git repo https://github.com/papertigers/imgur-rs written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/papertigers/imgur-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v0.8.0
[INFO] [stderr]   Downloaded dtoa v0.2.1
[INFO] [stderr]   Downloaded serde_json v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4a2290de8eee6a188c05ec69992cec38a99fd5c652bb032dbf364f183dd08e8
[INFO] running `Command { std: "docker" "start" "-a" "b4a2290de8eee6a188c05ec69992cec38a99fd5c652bb032dbf364f183dd08e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4a2290de8eee6a188c05ec69992cec38a99fd5c652bb032dbf364f183dd08e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4a2290de8eee6a188c05ec69992cec38a99fd5c652bb032dbf364f183dd08e8", kill_on_drop: false }`
[INFO] [stdout] b4a2290de8eee6a188c05ec69992cec38a99fd5c652bb032dbf364f183dd08e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6da7bb30cdc743e0663c980f25c616196c166c29acdc3068625436b4958fc03
[INFO] running `Command { std: "docker" "start" "-a" "d6da7bb30cdc743e0663c980f25c616196c166c29acdc3068625436b4958fc03", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.32
[INFO] [stderr]     Checking libc v0.2.14
[INFO] [stderr]     Checking matches v0.1.2
[INFO] [stderr]     Checking lazy_static v0.2.1
[INFO] [stderr]     Checking rustc-serialize v0.3.19
[INFO] [stderr]     Checking serde v0.8.0
[INFO] [stderr]     Checking httparse v1.1.2
[INFO] [stderr]     Checking dtoa v0.2.1
[INFO] [stderr]     Checking num-traits v0.1.34
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]    Compiling openssl-sys v0.7.14
[INFO] [stderr]     Checking mime v0.2.1
[INFO] [stderr]     Checking 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] [stderr]     Checking idna v0.1.0
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]    Compiling openssl-sys-extras v0.7.14
[INFO] [stderr]    Compiling openssl v0.7.14
[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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d6da7bb30cdc743e0663c980f25c616196c166c29acdc3068625436b4958fc03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6da7bb30cdc743e0663c980f25c616196c166c29acdc3068625436b4958fc03", kill_on_drop: false }`
[INFO] [stdout] d6da7bb30cdc743e0663c980f25c616196c166c29acdc3068625436b4958fc03