[INFO] cloning repository sindreij/rust_irc_client [INFO] running `"git" "clone" "--bare" "git://github.com/sindreij/rust_irc_client.git" "work/cache/sources/gh/sindreij/rust_irc_client"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/sindreij/rust_irc_client'... [INFO] running `"git" "clone" "work/cache/sources/gh/sindreij/rust_irc_client" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/sindreij/rust_irc_client"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/sindreij/rust_irc_client'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/sindreij/rust_irc_client" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/sindreij/rust_irc_client"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/sindreij/rust_irc_client'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5a7be4229324054918f6aaf217e78f4a674c508f [INFO] sha for GitHub repo sindreij/rust_irc_client: 5a7be4229324054918f6aaf217e78f4a674c508f [INFO] validating manifest of sindreij/rust_irc_client on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of sindreij/rust_irc_client on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing sindreij/rust_irc_client [INFO] finished frobbing sindreij/rust_irc_client [INFO] frobbed toml for sindreij/rust_irc_client written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/sindreij/rust_irc_client/Cargo.toml [INFO] started frobbing sindreij/rust_irc_client [INFO] finished frobbing sindreij/rust_irc_client [INFO] frobbed toml for sindreij/rust_irc_client written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/sindreij/rust_irc_client/Cargo.toml [INFO] crate sindreij/rust_irc_client already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/sindreij/rust_irc_client/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking sindreij/rust_irc_client against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008 [INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/sindreij/rust_irc_client:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] b888e9edf686624c60f2671733c4b34fe4b9703bb5a7fe951976031d2c04c850 [INFO] running `"docker" "start" "-a" "b888e9edf686624c60f2671733c4b34fe4b9703bb5a7fe951976031d2c04c850"` [INFO] [stderr] Checking challenge_258_irc_making_a_connection v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> <::nom::macros::delimited macros>:6:59 [INFO] [stderr] | [INFO] [stderr] 2 | $ i : expr , $ submac : ident ! ( $ ( $ args : tt ) * ) , $ ( $ rest : tt ) + [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 6 | $ i , 0usize , ( ) , $ submac ! ( $ ( $ args ) * ) , $ ( $ rest ) * ) { [INFO] [stderr] | ^^^^^^ - conflicting repetition [INFO] [stderr] | [INFO] [stderr] = note: #[deny(meta_variable_misuse)] on by default [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> <::nom::macros::delimited macros>:12:42 [INFO] [stderr] | [INFO] [stderr] 11 | $ i : expr , $ f : expr , $ ( $ rest : tt ) + ) => ( [INFO] [stderr] | - expected repetition [INFO] [stderr] 12 | delimited ! ( $ i , call ! ( $ f ) , $ ( $ rest ) * ) ; ) ; [INFO] [stderr] | ^^^^^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> <::nom::macros::alt_parser macros>:16:26 [INFO] [stderr] | [INFO] [stderr] 10 | $ ( $ rest : tt ) + ) => ( [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 16 | alt_parser ! ( $ i , $ ( $ rest ) * ) } } } ) ; ( [INFO] [stderr] | ^^^^^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:142:31 [INFO] [stderr] | [INFO] [stderr] 142 | fn messages(&self) -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> <::nom::macros::delimited macros>:6:59 [INFO] [stderr] | [INFO] [stderr] 2 | $ i : expr , $ submac : ident ! ( $ ( $ args : tt ) * ) , $ ( $ rest : tt ) + [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 6 | $ i , 0usize , ( ) , $ submac ! ( $ ( $ args ) * ) , $ ( $ rest ) * ) { [INFO] [stderr] | ^^^^^^ - conflicting repetition [INFO] [stderr] | [INFO] [stderr] = note: #[deny(meta_variable_misuse)] on by default [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> <::nom::macros::delimited macros>:12:42 [INFO] [stderr] | [INFO] [stderr] 11 | $ i : expr , $ f : expr , $ ( $ rest : tt ) + ) => ( [INFO] [stderr] | - expected repetition [INFO] [stderr] 12 | delimited ! ( $ i , call ! ( $ f ) , $ ( $ rest ) * ) ; ) ; [INFO] [stderr] | ^^^^^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> <::nom::macros::alt_parser macros>:16:26 [INFO] [stderr] | [INFO] [stderr] 10 | $ ( $ rest : tt ) + ) => ( [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 16 | alt_parser ! ( $ i , $ ( $ rest ) * ) } } } ) ; ( [INFO] [stderr] | ^^^^^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:142:31 [INFO] [stderr] | [INFO] [stderr] 142 | fn messages(&self) -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] error: aborting due to 3 previous errors [INFO] [stderr] [INFO] [stderr] error: Could not compile `challenge_258_irc_making_a_connection`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: aborting due to 3 previous errors [INFO] [stderr] [INFO] [stderr] error: Could not compile `challenge_258_irc_making_a_connection`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "b888e9edf686624c60f2671733c4b34fe4b9703bb5a7fe951976031d2c04c850"` [INFO] running `"docker" "rm" "-f" "b888e9edf686624c60f2671733c4b34fe4b9703bb5a7fe951976031d2c04c850"` [INFO] [stdout] b888e9edf686624c60f2671733c4b34fe4b9703bb5a7fe951976031d2c04c850