[INFO] fetching crate rustomaton 0.2.1...
[INFO] testing rustomaton-0.2.1 against beta-2021-05-23 for beta-1.52-2
[INFO] extracting crate rustomaton 0.2.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate rustomaton 0.2.1 on toolchain beta-2021-05-23
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-05-23" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustomaton 0.2.1
[INFO] finished tweaking crates.io crate rustomaton 0.2.1
[INFO] tweaked toml for crates.io crate rustomaton 0.2.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-05-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-05-23" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-05-23" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e93aab20e5eb023f4d5c483125e474c3a83abe94a4585fdee2805dea25fc04db
[INFO] running `Command { std: "docker" "start" "-a" "e93aab20e5eb023f4d5c483125e474c3a83abe94a4585fdee2805dea25fc04db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e93aab20e5eb023f4d5c483125e474c3a83abe94a4585fdee2805dea25fc04db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e93aab20e5eb023f4d5c483125e474c3a83abe94a4585fdee2805dea25fc04db", kill_on_drop: false }`
[INFO] [stdout] e93aab20e5eb023f4d5c483125e474c3a83abe94a4585fdee2805dea25fc04db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-05-23" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae99d98fa69482f230d8cbd0c25b1ceffd235cd485bf2a9bc2547a1d6d746532
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ae99d98fa69482f230d8cbd0c25b1ceffd235cd485bf2a9bc2547a1d6d746532", kill_on_drop: false }`
[INFO] [stderr]    Compiling logos-derive v0.9.7
[INFO] [stdout] error[E0061]: this function takes 1 argument but 2 arguments were supplied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/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]     |                    ^^^^^^ ---  ----------------------------------------------------------- supplied 2 arguments
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    expected 1 argument
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 1 argument but 2 arguments were supplied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/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]     |                       ^^^^^^ -------  -------------------------------------------------------- supplied 2 arguments
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       expected 1 argument
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 1 argument but 2 arguments were supplied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/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]     |                     ^^^^^^ -------  ------------------------------------------------------ supplied 2 arguments
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     expected 1 argument
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 1 argument but 2 arguments were supplied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/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]     |                               ^^^^^^ --------  ---------------------------------------------------------------------- supplied 2 arguments
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               expected 1 argument
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "ae99d98fa69482f230d8cbd0c25b1ceffd235cd485bf2a9bc2547a1d6d746532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae99d98fa69482f230d8cbd0c25b1ceffd235cd485bf2a9bc2547a1d6d746532", kill_on_drop: false }`
[INFO] [stdout] ae99d98fa69482f230d8cbd0c25b1ceffd235cd485bf2a9bc2547a1d6d746532