[INFO] fetching crate monitor-switch 0.2.0...
[INFO] extracting crate monitor-switch 0.2.0 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/monitor-switch/0.2.0
[INFO] extracting crate monitor-switch 0.2.0 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/monitor-switch/0.2.0
[INFO] validating manifest of monitor-switch-0.2.0 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 monitor-switch-0.2.0 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 monitor-switch-0.2.0
[INFO] finished frobbing monitor-switch-0.2.0
[INFO] frobbed toml for monitor-switch-0.2.0 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/monitor-switch/0.2.0/Cargo.toml
[INFO] started frobbing monitor-switch-0.2.0
[INFO] finished frobbing monitor-switch-0.2.0
[INFO] frobbed toml for monitor-switch-0.2.0 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/monitor-switch/0.2.0/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] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking monitor-switch-0.2.0 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/monitor-switch/0.2.0:/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] 9b7487dc334be36774702948c24ef16552b674aaf6cfa7593ec062d06b829b92
[INFO] running `"docker" "start" "-a" "9b7487dc334be36774702948c24ef16552b674aaf6cfa7593ec062d06b829b92"`
[INFO] [stderr]    Compiling uninitialized v0.0.2
[INFO] [stderr]    Compiling ddc-hi v0.1.3
[INFO] [stderr]     Checking mccs v0.1.0
[INFO] [stderr]     Checking libudev-sys v0.1.4
[INFO] [stderr]     Checking i2c-linux-sys v0.2.0
[INFO] [stderr]     Checking i2c v0.1.0
[INFO] [stderr]     Checking edid v0.2.0
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking udev v0.2.0
[INFO] [stderr]     Checking ddc v0.2.1
[INFO] [stderr]     Checking mccs-caps v0.1.0
[INFO] [stderr]     Checking mccs-db v0.1.2
[INFO] [stderr]     Checking resize-slice v0.1.3
[INFO] [stderr]     Checking i2c-linux v0.1.2
[INFO] [stderr]     Checking ddc-i2c v0.2.1
[INFO] [stderr]     Checking monitor-switch v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::enum_derive::IterVariantNames macros>:24:49
[INFO] [stderr]    |
[INFO] [stderr] 13 | $ ( $ var_names : ident ) , * ) ) => {
[INFO] [stderr]    |                             - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 24 | enum_derive_util ! ( @ first_expr $ ( $ name :: $ var_names ) , + ) ) ) } } }
[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]   --> <::enum_derive::IterVariantNames macros>:24:49
[INFO] [stderr]    |
[INFO] [stderr] 13 | $ ( $ var_names : ident ) , * ) ) => {
[INFO] [stderr]    |                             - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 24 | enum_derive_util ! ( @ first_expr $ ( $ name :: $ var_names ) , + ) ) ) } } }
[INFO] [stderr]    |                                                 ^^^^^^^^^^^     - conflicting repetition
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(meta_variable_misuse)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `monitor-switch`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `monitor-switch`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9b7487dc334be36774702948c24ef16552b674aaf6cfa7593ec062d06b829b92"`
[INFO] running `"docker" "rm" "-f" "9b7487dc334be36774702948c24ef16552b674aaf6cfa7593ec062d06b829b92"`
[INFO] [stdout] 9b7487dc334be36774702948c24ef16552b674aaf6cfa7593ec062d06b829b92