Dec 19 06:57:23.829 INFO checking tobiaskrause/graphml2mm against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 06:57:23.829 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/tobiaskrause/graphml2mm:/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 06:57:24.221 INFO [stdout] cfa00c0409600ea41962457a892f041545d3bb5ed127048b1f96fc31d5a8ac60
Dec 19 06:57:24.232 INFO running `"docker" "start" "-a" "cfa00c0409600ea41962457a892f041545d3bb5ed127048b1f96fc31d5a8ac60"`
Dec 19 06:57:26.732 INFO [stderr]     Checking libc v0.2.37
Dec 19 06:57:26.744 INFO [stderr]    Compiling syn v0.12.13
Dec 19 06:57:27.977 INFO [stderr]     Checking atty v0.2.6
Dec 19 06:57:28.195 INFO [stderr]     Checking clap v2.30.0
Dec 19 06:57:37.653 INFO [stderr]    Compiling structopt-derive v0.2.4
Dec 19 06:57:40.404 INFO [stderr]     Checking structopt v0.2.4
Dec 19 06:57:40.627 INFO [stderr]     Checking graphml2mm v0.1.0 (/opt/crater/workdir)
Dec 19 06:57:41.292 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 06:57:41.292 INFO [stderr]  --> src/main.rs:2:1
Dec 19 06:57:41.292 INFO [stderr]   |
Dec 19 06:57:41.292 INFO [stderr] 2 | #[macro_use]
Dec 19 06:57:41.292 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 06:57:41.292 INFO [stderr]   |
Dec 19 06:57:41.292 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 06:57:41.292 INFO [stderr] 
Dec 19 06:57:41.415 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 06:57:41.415 INFO [stderr]  --> src/main.rs:2:1
Dec 19 06:57:41.415 INFO [stderr]   |
Dec 19 06:57:41.415 INFO [stderr] 2 | #[macro_use]
Dec 19 06:57:41.415 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 06:57:41.415 INFO [stderr]   |
Dec 19 06:57:41.415 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 06:57:41.416 INFO [stderr] 
Dec 19 06:57:41.488 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 06:57:41.488 INFO [stderr]   --> src/graph/writer.rs:68:9
Dec 19 06:57:41.488 INFO [stderr]    |
Dec 19 06:57:41.488 INFO [stderr] 68 |         mm_writer(&mut writer, &events);
Dec 19 06:57:41.488 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:57:41.488 INFO [stderr]    |
Dec 19 06:57:41.488 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 06:57:41.488 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 06:57:41.488 INFO [stderr] 
Dec 19 06:57:41.616 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.98s
Dec 19 06:57:42.132 INFO running `"docker" "inspect" "cfa00c0409600ea41962457a892f041545d3bb5ed127048b1f96fc31d5a8ac60"`
Dec 19 06:57:42.390 INFO running `"docker" "rm" "-f" "cfa00c0409600ea41962457a892f041545d3bb5ed127048b1f96fc31d5a8ac60"`
Dec 19 06:57:42.666 INFO [stdout] cfa00c0409600ea41962457a892f041545d3bb5ed127048b1f96fc31d5a8ac60