[INFO] crate tokio-timer 0.2.8 is already in cache
[INFO] extracting crate tokio-timer 0.2.8 into work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/tokio-timer/0.2.8
[INFO] extracting crate tokio-timer 0.2.8 into work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/tokio-timer/0.2.8
[INFO] validating manifest of tokio-timer-0.2.8 on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tokio-timer-0.2.8 on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tokio-timer-0.2.8
[INFO] finished frobbing tokio-timer-0.2.8
[INFO] frobbed toml for tokio-timer-0.2.8 written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/tokio-timer/0.2.8/Cargo.toml
[INFO] started frobbing tokio-timer-0.2.8
[INFO] finished frobbing tokio-timer-0.2.8
[INFO] frobbed toml for tokio-timer-0.2.8 written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/tokio-timer/0.2.8/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tokio-timer-0.2.8 against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-2/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/tokio-timer/0.2.8:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] df03fb8bd44216d308999231462053681f590a7b408efc9f55b3ec82787d6fb6
[INFO] running `"docker" "start" "-a" "df03fb8bd44216d308999231462053681f590a7b408efc9f55b3ec82787d6fb6"`
[INFO] [stderr]     Checking tokio-mock-task v0.1.1
[INFO] [stderr]     Checking tokio-timer v0.2.8 (/opt/crater/workdir)
[INFO] [stderr] error: unused doc comment
[INFO] [stderr]   --> src/clock/clock.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | /// Thread-local tracking the current clock
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 21 | thread_local!(static CLOCK: Cell<Option<*const Clock>> = Cell::new(None));
[INFO] [stderr]    | -------------------------------------------------------------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:2:23
[INFO] [stderr]    |
[INFO] [stderr] 2  | #![deny(missing_docs, warnings, missing_debug_implementations)]
[INFO] [stderr]    |                       ^^^^^^^^
[INFO] [stderr]    = note: #[deny(unused_doc_comments)] implied by #[deny(warnings)]
[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] error: unused doc comment
[INFO] [stderr]   --> src/timer/handle.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | /// Tracks the timer for the current execution context.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 48 | thread_local!(static CURRENT_TIMER: RefCell<Option<HandlePriv>> = RefCell::new(None));
[INFO] [stderr]    | -------------------------------------------------------------------------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[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] error: unused doc comment
[INFO] [stderr]   --> src/clock/clock.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | /// Thread-local tracking the current clock
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 21 | thread_local!(static CLOCK: Cell<Option<*const Clock>> = Cell::new(None));
[INFO] [stderr]    | -------------------------------------------------------------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:2:23
[INFO] [stderr]    |
[INFO] [stderr] 2  | #![deny(missing_docs, warnings, missing_debug_implementations)]
[INFO] [stderr]    |                       ^^^^^^^^
[INFO] [stderr]    = note: #[deny(unused_doc_comments)] implied by #[deny(warnings)]
[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] error: unused doc comment
[INFO] [stderr]   --> src/timer/handle.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | /// Tracks the timer for the current execution context.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 48 | thread_local!(static CURRENT_TIMER: RefCell<Option<HandlePriv>> = RefCell::new(None));
[INFO] [stderr]    | -------------------------------------------------------------------------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[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] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `tokio-timer`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `tokio-timer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "df03fb8bd44216d308999231462053681f590a7b408efc9f55b3ec82787d6fb6"`
[INFO] running `"docker" "rm" "-f" "df03fb8bd44216d308999231462053681f590a7b408efc9f55b3ec82787d6fb6"`
[INFO] [stdout] df03fb8bd44216d308999231462053681f590a7b408efc9f55b3ec82787d6fb6