[INFO] fetching crate cubeb-backend 0.5.4...
[INFO] extracting crate cubeb-backend 0.5.4 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/cubeb-backend/0.5.4
[INFO] extracting crate cubeb-backend 0.5.4 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/cubeb-backend/0.5.4
[INFO] validating manifest of cubeb-backend-0.5.4 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 cubeb-backend-0.5.4 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 cubeb-backend-0.5.4
[INFO] finished frobbing cubeb-backend-0.5.4
[INFO] frobbed toml for cubeb-backend-0.5.4 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/cubeb-backend/0.5.4/Cargo.toml
[INFO] started frobbing cubeb-backend-0.5.4
[INFO] finished frobbing cubeb-backend-0.5.4
[INFO] frobbed toml for cubeb-backend-0.5.4 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/cubeb-backend/0.5.4/Cargo.toml
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cubeb-core v0.5.5
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cubeb-backend-0.5.4 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-6/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/cubeb-backend/0.5.4:/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] 50bab982b39540824a2fa91ff1ab3a2ba05df1f651ea61d5e33e91a625d5e29f
[INFO] running `"docker" "start" "-a" "50bab982b39540824a2fa91ff1ab3a2ba05df1f651ea61d5e33e91a625d5e29f"`
[INFO] [stderr]    Compiling cubeb-sys v0.5.5
[INFO] [stderr]     Checking cubeb-core v0.5.5
[INFO] [stderr]     Checking cubeb-backend v0.5.4 (/opt/crater/workdir)
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src/log.rs:20:66
[INFO] [stderr]    |
[INFO] [stderr] 16 |     ($level: expr, $fmt: expr, $($arg: expr),+) => {
[INFO] [stderr]    |                                              - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 20 |                 cubeb_log_internal!(__INTERNAL__ format!($fmt, $($arg),*));
[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]   --> src/log.rs:35:94
[INFO] [stderr]    |
[INFO] [stderr] 35 |     ($fmt: expr, $($arg: expr),+) => (cubeb_log_internal!($crate::LogLevel::Verbose, $fmt, $($arg),*));
[INFO] [stderr]    |                                - expected repetition                                         ^^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src/log.rs:41:93
[INFO] [stderr]    |
[INFO] [stderr] 41 |     ($fmt: expr, $($arg: expr),+) => (cubeb_log_internal!($crate::LogLevel::Normal, $fmt, $($arg),*));
[INFO] [stderr]    |                                - expected repetition                                        ^^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `cubeb-backend`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src/log.rs:20:66
[INFO] [stderr]    |
[INFO] [stderr] 16 |     ($level: expr, $fmt: expr, $($arg: expr),+) => {
[INFO] [stderr]    |                                              - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 20 |                 cubeb_log_internal!(__INTERNAL__ format!($fmt, $($arg),*));
[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]   --> src/log.rs:35:94
[INFO] [stderr]    |
[INFO] [stderr] 35 |     ($fmt: expr, $($arg: expr),+) => (cubeb_log_internal!($crate::LogLevel::Verbose, $fmt, $($arg),*));
[INFO] [stderr]    |                                - expected repetition                                         ^^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src/log.rs:41:93
[INFO] [stderr]    |
[INFO] [stderr] 41 |     ($fmt: expr, $($arg: expr),+) => (cubeb_log_internal!($crate::LogLevel::Normal, $fmt, $($arg),*));
[INFO] [stderr]    |                                - expected repetition                                        ^^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `cubeb-backend`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "50bab982b39540824a2fa91ff1ab3a2ba05df1f651ea61d5e33e91a625d5e29f"`
[INFO] running `"docker" "rm" "-f" "50bab982b39540824a2fa91ff1ab3a2ba05df1f651ea61d5e33e91a625d5e29f"`
[INFO] [stdout] 50bab982b39540824a2fa91ff1ab3a2ba05df1f651ea61d5e33e91a625d5e29f