[INFO] fetching crate testbench 0.7.0...
[INFO] extracting crate testbench 0.7.0 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/testbench/0.7.0
[INFO] extracting crate testbench 0.7.0 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/testbench/0.7.0
[INFO] validating manifest of testbench-0.7.0 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 testbench-0.7.0 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 testbench-0.7.0
[INFO] finished frobbing testbench-0.7.0
[INFO] frobbed toml for testbench-0.7.0 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/testbench/0.7.0/Cargo.toml
[INFO] started frobbing testbench-0.7.0
[INFO] finished frobbing testbench-0.7.0
[INFO] frobbed toml for testbench-0.7.0 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/testbench/0.7.0/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 testbench-0.7.0 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/testbench/0.7.0:/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] 3cdbfe9550f7f0076a9080938fafaa7da25429d241f8ffee8b9f34fceb4abe09
[INFO] running `"docker" "start" "-a" "3cdbfe9550f7f0076a9080938fafaa7da25429d241f8ffee8b9f34fceb4abe09"`
[INFO] [stderr]     Checking testbench v0.7.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/race_cell.rs:205:1
[INFO] [stderr]     |
[INFO] [stderr] 205 |   ///
[INFO] [stderr]     |   ^^^
[INFO] [stderr] 206 | / impl_atomic_data! {
[INFO] [stderr] 207 | |     bool  => AtomicBool,
[INFO] [stderr] 208 | |     i8    => AtomicI8,
[INFO] [stderr] 209 | |     i16   => AtomicI16,
[INFO] [stderr] ...   |
[INFO] [stderr] 217 | |     usize => AtomicUsize
[INFO] [stderr] 218 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/race_cell.rs:205:1
[INFO] [stderr]     |
[INFO] [stderr] 205 |   ///
[INFO] [stderr]     |   ^^^
[INFO] [stderr] 206 | / impl_atomic_data! {
[INFO] [stderr] 207 | |     bool  => AtomicBool,
[INFO] [stderr] 208 | |     i8    => AtomicI8,
[INFO] [stderr] 209 | |     i16   => AtomicI16,
[INFO] [stderr] ...   |
[INFO] [stderr] 217 | |     usize => AtomicUsize
[INFO] [stderr] 218 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `"docker" "inspect" "3cdbfe9550f7f0076a9080938fafaa7da25429d241f8ffee8b9f34fceb4abe09"`
[INFO] running `"docker" "rm" "-f" "3cdbfe9550f7f0076a9080938fafaa7da25429d241f8ffee8b9f34fceb4abe09"`
[INFO] [stdout] 3cdbfe9550f7f0076a9080938fafaa7da25429d241f8ffee8b9f34fceb4abe09