Dec 04 08:25:42.925 INFO checking tobiaskrause/graphml2mm against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 08:25:42.925 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 08:25:43.415 INFO [stdout] 0b998c4bfcb7c70c6c1e6be5851b24644950dd4b83d0e93efcec1019fe47485d
Dec 04 08:25:43.421 INFO running `"docker" "start" "-a" "0b998c4bfcb7c70c6c1e6be5851b24644950dd4b83d0e93efcec1019fe47485d"`
Dec 04 08:25:44.675 INFO [stderr] usermod: no changes
Dec 04 08:25:44.751 INFO [stderr]     Checking atty v0.2.6
Dec 04 08:25:44.751 INFO [stderr]    Compiling syn v0.12.13
Dec 04 08:25:45.175 INFO [stderr]     Checking clap v2.30.0
Dec 04 08:25:54.960 INFO [stderr]    Compiling structopt-derive v0.2.4
Dec 04 08:25:58.090 INFO [stderr]     Checking structopt v0.2.4
Dec 04 08:25:58.432 INFO [stderr]     Checking graphml2mm v0.1.0 (/source)
Dec 04 08:25:59.443 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 08:25:59.443 INFO [stderr]   --> src/graph/writer.rs:68:9
Dec 04 08:25:59.443 INFO [stderr]    |
Dec 04 08:25:59.443 INFO [stderr] 68 |         mm_writer(&mut writer, &events);
Dec 04 08:25:59.443 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 08:25:59.443 INFO [stderr]    |
Dec 04 08:25:59.443 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 08:25:59.443 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 08:25:59.443 INFO [stderr] 
Dec 04 08:25:59.643 INFO [stderr] warning: unused `#[macro_use]` import
Dec 04 08:25:59.643 INFO [stderr]  --> src/main.rs:2:1
Dec 04 08:25:59.643 INFO [stderr]   |
Dec 04 08:25:59.643 INFO [stderr] 2 | #[macro_use]
Dec 04 08:25:59.643 INFO [stderr]   | ^^^^^^^^^^^^
Dec 04 08:25:59.643 INFO [stderr]   |
Dec 04 08:25:59.643 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 08:25:59.644 INFO [stderr] 
Dec 04 08:25:59.907 INFO [stderr] warning: unused `#[macro_use]` import
Dec 04 08:25:59.907 INFO [stderr]  --> src/main.rs:2:1
Dec 04 08:25:59.907 INFO [stderr]   |
Dec 04 08:25:59.907 INFO [stderr] 2 | #[macro_use]
Dec 04 08:25:59.907 INFO [stderr]   | ^^^^^^^^^^^^
Dec 04 08:25:59.907 INFO [stderr]   |
Dec 04 08:25:59.907 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 08:25:59.907 INFO [stderr] 
Dec 04 08:26:00.023 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.32s
Dec 04 08:26:00.024 INFO [stderr] su: No module specific data is present
Dec 04 08:26:01.051 INFO running `"docker" "inspect" "0b998c4bfcb7c70c6c1e6be5851b24644950dd4b83d0e93efcec1019fe47485d"`
Dec 04 08:26:01.285 INFO running `"docker" "rm" "-f" "0b998c4bfcb7c70c6c1e6be5851b24644950dd4b83d0e93efcec1019fe47485d"`
Dec 04 08:26:01.664 INFO [stdout] 0b998c4bfcb7c70c6c1e6be5851b24644950dd4b83d0e93efcec1019fe47485d