[INFO] cloning repository https://github.com/Dawidkubis/Kwass
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dawidkubis/Kwass" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDawidkubis%2FKwass", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDawidkubis%2FKwass'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 502a9a2c9ee8a383330761718a1d46444babc2f7
[INFO] checking Dawidkubis/Kwass against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDawidkubis%2FKwass" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dawidkubis/Kwass on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Dawidkubis/Kwass
[INFO] finished tweaking git repo https://github.com/Dawidkubis/Kwass
[INFO] tweaked toml for git repo https://github.com/Dawidkubis/Kwass written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Dawidkubis/Kwass already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0470f9ded99cc8133351f1c012b06456fef47a7da485ccbae1a8b9bdeebf421b
[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" "0470f9ded99cc8133351f1c012b06456fef47a7da485ccbae1a8b9bdeebf421b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0470f9ded99cc8133351f1c012b06456fef47a7da485ccbae1a8b9bdeebf421b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0470f9ded99cc8133351f1c012b06456fef47a7da485ccbae1a8b9bdeebf421b", kill_on_drop: false }`
[INFO] [stdout] 0470f9ded99cc8133351f1c012b06456fef47a7da485ccbae1a8b9bdeebf421b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec6ca4c0074dec2b6730303bb1f8bbb100f3dfec70c1bcef8fbd2d33e6a63f99
[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" "ec6ca4c0074dec2b6730303bb1f8bbb100f3dfec70c1bcef8fbd2d33e6a63f99", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.7
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]    Compiling logos-derive v0.9.7
[INFO] [stderr]    Compiling syn-mid v0.5.0
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ec6ca4c0074dec2b6730303bb1f8bbb100f3dfec70c1bcef8fbd2d33e6a63f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec6ca4c0074dec2b6730303bb1f8bbb100f3dfec70c1bcef8fbd2d33e6a63f99", kill_on_drop: false }`
[INFO] [stdout] ec6ca4c0074dec2b6730303bb1f8bbb100f3dfec70c1bcef8fbd2d33e6a63f99