[INFO] cloning repository https://github.com/mfdorst/C--
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mfdorst/C--" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfdorst%2FC--", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfdorst%2FC--'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4cc84da862daa2eb0f16da39de81c8e7cb92cc8f
[INFO] checking mfdorst/C-- against master#cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9 for pr-136968
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfdorst%2FC--" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mfdorst/C-- on toolchain cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mfdorst/C--
[INFO] finished tweaking git repo https://github.com/mfdorst/C--
[INFO] tweaked toml for git repo https://github.com/mfdorst/C-- written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mfdorst/C-- already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded logos v0.9.7
[INFO] [stderr]   Downloaded logos-derive v0.9.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c178c48d4de3faebbad9fc7e627ffc2f7b363632e11a358ad25f168c7e3f4893
[INFO] running `Command { std: "docker" "start" "-a" "c178c48d4de3faebbad9fc7e627ffc2f7b363632e11a358ad25f168c7e3f4893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c178c48d4de3faebbad9fc7e627ffc2f7b363632e11a358ad25f168c7e3f4893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c178c48d4de3faebbad9fc7e627ffc2f7b363632e11a358ad25f168c7e3f4893", kill_on_drop: false }`
[INFO] [stdout] c178c48d4de3faebbad9fc7e627ffc2f7b363632e11a358ad25f168c7e3f4893
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a17ed2d0790ea7f4c13fa6c48efab48ec4bcfcd24101f60c9ddef656fdc99a60
[INFO] running `Command { std: "docker" "start" "-a" "a17ed2d0790ea7f4c13fa6c48efab48ec4bcfcd24101f60c9ddef656fdc99a60", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling regex-syntax v0.6.13
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling logos-derive v0.9.7
[INFO] [stdout] error[E0061]: this method takes 1 argument but 2 arguments were supplied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/logos-derive-0.9.7/src/util.rs:59:31
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 self.callback.insert(callback, |_| panic!("Only one callback can be defined per variant definition!"));
[INFO] [stdout]    |                               ^^^^^^           ---------------------------------------------------------------------- unexpected argument #2 of type `{closure@/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/logos-derive-0.9.7/src/util.rs:59:48: 59:51}`
[INFO] [stdout]    |
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /rustc/cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9/library/core/src/option.rs:1613:12
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]    |
[INFO] [stdout] 59 -                 self.callback.insert(callback, |_| panic!("Only one callback can be defined per variant definition!"));
[INFO] [stdout] 59 +                 self.callback.insert(callback);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 1 argument but 2 arguments were supplied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/logos-derive-0.9.7/src/lib.rs:50:20
[INFO] [stdout]    |
[INFO] [stdout] 50 |             extras.insert(ext, |_| panic!("Only one #[extras] attribute can be declared."));
[INFO] [stdout]    |                    ^^^^^^      ----------------------------------------------------------- unexpected argument #2 of type `{closure@/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/logos-derive-0.9.7/src/lib.rs:50:32: 50:35}`
[INFO] [stdout]    |
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /rustc/cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9/library/core/src/option.rs:1613:12
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]    |
[INFO] [stdout] 50 -             extras.insert(ext, |_| panic!("Only one #[extras] attribute can be declared."));
[INFO] [stdout] 50 +             extras.insert(ext);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 1 argument but 2 arguments were supplied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/logos-derive-0.9.7/src/lib.rs:84:23
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 error.insert(variant, |_| panic!("Only one #[error] variant can be declared."));
[INFO] [stdout]    |                       ^^^^^^          -------------------------------------------------------- unexpected argument #2 of type `{closure@/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/logos-derive-0.9.7/src/lib.rs:84:39: 84:42}`
[INFO] [stdout]    |
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /rustc/cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9/library/core/src/option.rs:1613:12
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]    |
[INFO] [stdout] 84 -                 error.insert(variant, |_| panic!("Only one #[error] variant can be declared."));
[INFO] [stdout] 84 +                 error.insert(variant);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 1 argument but 2 arguments were supplied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/logos-derive-0.9.7/src/lib.rs:88:21
[INFO] [stdout]    |
[INFO] [stdout] 88 |                 end.insert(variant, |_| panic!("Only one #[end] variant can be declared."));
[INFO] [stdout]    |                     ^^^^^^          ------------------------------------------------------ unexpected argument #2 of type `{closure@/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/logos-derive-0.9.7/src/lib.rs:88:37: 88:40}`
[INFO] [stdout]    |
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /rustc/cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9/library/core/src/option.rs:1613:12
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]    |
[INFO] [stdout] 88 -                 end.insert(variant, |_| panic!("Only one #[end] variant can be declared."));
[INFO] [stdout] 88 +                 end.insert(variant);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `logos-derive` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "a17ed2d0790ea7f4c13fa6c48efab48ec4bcfcd24101f60c9ddef656fdc99a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a17ed2d0790ea7f4c13fa6c48efab48ec4bcfcd24101f60c9ddef656fdc99a60", kill_on_drop: false }`
[INFO] [stdout] a17ed2d0790ea7f4c13fa6c48efab48ec4bcfcd24101f60c9ddef656fdc99a60