Dec 19 20:54:59.533 INFO checking ahwatts/graphplay2-rs against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 20:54:59.533 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/ahwatts/graphplay2-rs:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 20:54:59.990 INFO [stdout] e1dbfd36864ddafe18a925e289fc0dd9404a1d28ee8bf9974caed7a2ae397d32
Dec 19 20:54:59.998 INFO running `"docker" "start" "-a" "e1dbfd36864ddafe18a925e289fc0dd9404a1d28ee8bf9974caed7a2ae397d32"`
Dec 19 20:55:02.079 INFO [stderr]     Checking graphplay2 v0.1.0 (/opt/crater/workdir)
Dec 19 20:55:03.164 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 19 20:55:03.164 INFO [stderr]    --> src/ply.rs:145:81
Dec 19 20:55:03.164 INFO [stderr]     |
Dec 19 20:55:03.164 INFO [stderr] 145 |                     let element = try!(elements.last_mut().ok_or(other_io_error(("Tried to add a property but there's no current element"))));
Dec 19 20:55:03.164 INFO [stderr]     |                                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 20:55:03.164 INFO [stderr]     |
Dec 19 20:55:03.164 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 19 20:55:03.164 INFO [stderr] 
Dec 19 20:55:03.424 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 19 20:55:03.424 INFO [stderr]    --> src/ply.rs:145:81
Dec 19 20:55:03.424 INFO [stderr]     |
Dec 19 20:55:03.424 INFO [stderr] 145 |                     let element = try!(elements.last_mut().ok_or(other_io_error(("Tried to add a property but there's no current element"))));
Dec 19 20:55:03.424 INFO [stderr]     |                                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 20:55:03.424 INFO [stderr]     |
Dec 19 20:55:03.424 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 19 20:55:03.424 INFO [stderr] 
Dec 19 20:55:05.112 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.26s
Dec 19 20:55:06.454 INFO running `"docker" "inspect" "e1dbfd36864ddafe18a925e289fc0dd9404a1d28ee8bf9974caed7a2ae397d32"`
Dec 19 20:55:06.798 INFO running `"docker" "rm" "-f" "e1dbfd36864ddafe18a925e289fc0dd9404a1d28ee8bf9974caed7a2ae397d32"`
Dec 19 20:55:07.180 INFO [stdout] e1dbfd36864ddafe18a925e289fc0dd9404a1d28ee8bf9974caed7a2ae397d32