Dec 04 14:26:01.414 INFO checking matthiasbeyer/task-rain against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 14:26:01.414 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 14:26:01.625 INFO [stdout] 4b0689cbd97c89efe2a1d431e9a1276483a4725abd5e1770ade6aa09bfddd349
Dec 04 14:26:01.628 INFO running `"docker" "start" "-a" "4b0689cbd97c89efe2a1d431e9a1276483a4725abd5e1770ade6aa09bfddd349"`
Dec 04 14:26:02.421 INFO [stderr] usermod: no changes
Dec 04 14:26:02.567 INFO [stderr]     Checking serde v0.9.15
Dec 04 14:26:02.567 INFO [stderr]     Checking either v1.1.0
Dec 04 14:26:02.568 INFO [stderr]     Checking termion v1.5.1
Dec 04 14:26:02.583 INFO [stderr]     Checking clap v2.26.1
Dec 04 14:26:02.583 INFO [stderr]    Compiling serde_codegen_internals v0.14.2
Dec 04 14:26:02.583 INFO [stderr]     Checking chrono v0.2.25
Dec 04 14:26:02.583 INFO [stderr]     Checking mowl v1.2.0
Dec 04 14:26:03.367 INFO [stderr]     Checking itertools v0.6.2
Dec 04 14:26:04.515 INFO [stderr]     Checking rain v0.3.1
Dec 04 14:26:06.272 INFO [stderr]    Compiling serde_derive v0.9.15
Dec 04 14:26:16.747 INFO [stderr]     Checking uuid v0.4.0
Dec 04 14:26:16.747 INFO [stderr]     Checking serde_json v0.9.10
Dec 04 14:26:18.499 INFO [stderr]     Checking task-hookrs v0.3.0
Dec 04 14:26:19.471 INFO [stderr]     Checking task-graph v0.1.0 (/source)
Dec 04 14:26:21.880 INFO [stderr] warning: unused variable: `time`
Dec 04 14:26:21.880 INFO [stderr]   --> src/main.rs:42:10
Dec 04 14:26:21.880 INFO [stderr]    |
Dec 04 14:26:21.880 INFO [stderr] 42 |     for (time, group) in tasks.into_iter() {
Dec 04 14:26:21.880 INFO [stderr]    |          ^^^^ help: consider using `_time` instead
Dec 04 14:26:21.880 INFO [stderr]    |
Dec 04 14:26:21.880 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 14:26:21.880 INFO [stderr] 
Dec 04 14:26:21.891 INFO [stderr] warning: variable does not need to be mutable
Dec 04 14:26:21.891 INFO [stderr]   --> src/main.rs:27:17
Dec 04 14:26:21.891 INFO [stderr]    |
Dec 04 14:26:21.891 INFO [stderr] 27 |             let mut file = File::open(filename).expect("Couldn't open file");
Dec 04 14:26:21.891 INFO [stderr]    |                 ----^^^^
Dec 04 14:26:21.891 INFO [stderr]    |                 |
Dec 04 14:26:21.891 INFO [stderr]    |                 help: remove this `mut`
Dec 04 14:26:21.892 INFO [stderr]    |
Dec 04 14:26:21.892 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 14:26:21.892 INFO [stderr] 
Dec 04 14:26:21.892 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 14:26:21.892 INFO [stderr]   --> src/main.rs:48:5
Dec 04 14:26:21.892 INFO [stderr]    |
Dec 04 14:26:21.892 INFO [stderr] 48 |     graph.print();
Dec 04 14:26:21.892 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 04 14:26:21.892 INFO [stderr]    |
Dec 04 14:26:21.892 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 14:26:21.892 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 14:26:21.892 INFO [stderr] 
Dec 04 14:26:21.959 INFO [stderr] warning: unused variable: `time`
Dec 04 14:26:21.959 INFO [stderr]   --> src/main.rs:42:10
Dec 04 14:26:21.960 INFO [stderr]    |
Dec 04 14:26:21.960 INFO [stderr] 42 |     for (time, group) in tasks.into_iter() {
Dec 04 14:26:21.960 INFO [stderr]    |          ^^^^ help: consider using `_time` instead
Dec 04 14:26:21.961 INFO [stderr]    |
Dec 04 14:26:21.961 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 14:26:21.961 INFO [stderr] 
Dec 04 14:26:21.975 INFO [stderr] warning: variable does not need to be mutable
Dec 04 14:26:21.976 INFO [stderr]   --> src/main.rs:27:17
Dec 04 14:26:21.976 INFO [stderr]    |
Dec 04 14:26:21.976 INFO [stderr] 27 |             let mut file = File::open(filename).expect("Couldn't open file");
Dec 04 14:26:21.977 INFO [stderr]    |                 ----^^^^
Dec 04 14:26:21.977 INFO [stderr]    |                 |
Dec 04 14:26:21.977 INFO [stderr]    |                 help: remove this `mut`
Dec 04 14:26:21.977 INFO [stderr]    |
Dec 04 14:26:21.978 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 14:26:21.978 INFO [stderr] 
Dec 04 14:26:21.978 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 14:26:21.979 INFO [stderr]   --> src/main.rs:48:5
Dec 04 14:26:21.979 INFO [stderr]    |
Dec 04 14:26:21.979 INFO [stderr] 48 |     graph.print();
Dec 04 14:26:21.980 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 04 14:26:21.980 INFO [stderr]    |
Dec 04 14:26:21.980 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 14:26:21.980 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 14:26:21.981 INFO [stderr] 
Dec 04 14:26:22.032 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.58s
Dec 04 14:26:22.046 INFO [stderr] su: No module specific data is present
Dec 04 14:26:23.093 INFO running `"docker" "inspect" "4b0689cbd97c89efe2a1d431e9a1276483a4725abd5e1770ade6aa09bfddd349"`
Dec 04 14:26:23.317 INFO running `"docker" "rm" "-f" "4b0689cbd97c89efe2a1d431e9a1276483a4725abd5e1770ade6aa09bfddd349"`
Dec 04 14:26:23.643 INFO [stdout] 4b0689cbd97c89efe2a1d431e9a1276483a4725abd5e1770ade6aa09bfddd349