Nov 09 09:08:06.320 INFO checking matthiasbeyer/task-rain against try#dc13be39fae8d4c607889b27de374b52586485a3 for pr-55632
Nov 09 09:08:06.320 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-6/try#dc13be39fae8d4c607889b27de374b52586485a3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55632/try#dc13be39fae8d4c607889b27de374b52586485a3:/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 +dc13be39fae8d4c607889b27de374b52586485a3-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"`
Nov 09 09:08:06.705 INFO blam! 88c87e5a60840aef53a4168fc6afb8b03ec82157b0cc9e64a30956e93f4c63b9
Nov 09 09:08:06.705 INFO running `"docker" "start" "-a" "88c87e5a60840aef53a4168fc6afb8b03ec82157b0cc9e64a30956e93f4c63b9"`
Nov 09 09:08:07.626 INFO kablam! usermod: no changes
Nov 09 09:08:07.811 INFO kablam!    Compiling backtrace-sys v0.1.12
Nov 09 09:08:07.811 INFO kablam!     Checking termion v1.5.1
Nov 09 09:08:07.867 INFO kablam!     Checking uuid v0.4.0
Nov 09 09:08:07.867 INFO kablam!     Checking serde_json v0.9.10
Nov 09 09:08:07.867 INFO kablam!     Checking itertools v0.6.2
Nov 09 09:08:07.867 INFO kablam!     Checking chrono v0.2.25
Nov 09 09:08:12.003 INFO kablam!     Checking task-hookrs v0.3.0
Nov 09 09:08:23.229 INFO kablam!     Checking backtrace v0.3.3
Nov 09 09:08:23.712 INFO kablam!     Checking error-chain v0.11.0
Nov 09 09:08:24.314 INFO kablam!     Checking mowl v1.2.0
Nov 09 09:08:24.866 INFO kablam!     Checking rain v0.3.1
Nov 09 09:08:25.623 INFO kablam!     Checking task-graph v0.1.0 (/source)
Nov 09 09:08:27.894 INFO kablam! warning: unused variable: `time`
Nov 09 09:08:27.894 INFO kablam!   --> src/main.rs:42:10
Nov 09 09:08:27.894 INFO kablam!    |
Nov 09 09:08:27.895 INFO kablam! 42 |     for (time, group) in tasks.into_iter() {
Nov 09 09:08:27.895 INFO kablam!    |          ^^^^ help: consider using `_time` instead
Nov 09 09:08:27.895 INFO kablam!    |
Nov 09 09:08:27.895 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 09 09:08:27.895 INFO kablam! 
Nov 09 09:08:27.897 INFO kablam! warning: unused variable: `time`
Nov 09 09:08:27.897 INFO kablam!   --> src/main.rs:42:10
Nov 09 09:08:27.897 INFO kablam!    |
Nov 09 09:08:27.897 INFO kablam! 42 |     for (time, group) in tasks.into_iter() {
Nov 09 09:08:27.898 INFO kablam!    |          ^^^^ help: consider using `_time` instead
Nov 09 09:08:27.898 INFO kablam!    |
Nov 09 09:08:27.898 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 09 09:08:27.898 INFO kablam! 
Nov 09 09:08:27.909 INFO kablam! warning: variable does not need to be mutable
Nov 09 09:08:27.909 INFO kablam!   --> src/main.rs:27:17
Nov 09 09:08:27.909 INFO kablam!    |
Nov 09 09:08:27.909 INFO kablam! 27 |             let mut file = File::open(filename).expect("Couldn't open file");
Nov 09 09:08:27.909 INFO kablam!    |                 ----^^^^
Nov 09 09:08:27.909 INFO kablam!    |                 |
Nov 09 09:08:27.909 INFO kablam!    |                 help: remove this `mut`
Nov 09 09:08:27.909 INFO kablam!    |
Nov 09 09:08:27.911 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 09 09:08:27.911 INFO kablam! 
Nov 09 09:08:27.911 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 09:08:27.911 INFO kablam!   --> src/main.rs:48:5
Nov 09 09:08:27.911 INFO kablam!    |
Nov 09 09:08:27.911 INFO kablam! 48 |     graph.print();
Nov 09 09:08:27.911 INFO kablam!    |     ^^^^^^^^^^^^^^
Nov 09 09:08:27.911 INFO kablam!    |
Nov 09 09:08:27.911 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 09 09:08:27.911 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 09:08:27.911 INFO kablam! 
Nov 09 09:08:27.922 INFO kablam! warning: variable does not need to be mutable
Nov 09 09:08:27.922 INFO kablam!   --> src/main.rs:27:17
Nov 09 09:08:27.922 INFO kablam!    |
Nov 09 09:08:27.922 INFO kablam! 27 |             let mut file = File::open(filename).expect("Couldn't open file");
Nov 09 09:08:27.922 INFO kablam!    |                 ----^^^^
Nov 09 09:08:27.922 INFO kablam!    |                 |
Nov 09 09:08:27.922 INFO kablam!    |                 help: remove this `mut`
Nov 09 09:08:27.922 INFO kablam!    |
Nov 09 09:08:27.922 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 09 09:08:27.922 INFO kablam! 
Nov 09 09:08:27.923 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 09:08:27.923 INFO kablam!   --> src/main.rs:48:5
Nov 09 09:08:27.923 INFO kablam!    |
Nov 09 09:08:27.923 INFO kablam! 48 |     graph.print();
Nov 09 09:08:27.923 INFO kablam!    |     ^^^^^^^^^^^^^^
Nov 09 09:08:27.923 INFO kablam!    |
Nov 09 09:08:27.923 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 09 09:08:27.923 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 09:08:27.923 INFO kablam! 
Nov 09 09:08:27.975 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 20.32s
Nov 09 09:08:28.003 INFO kablam! su: No module specific data is present
Nov 09 09:08:29.116 INFO running `"docker" "rm" "-f" "88c87e5a60840aef53a4168fc6afb8b03ec82157b0cc9e64a30956e93f4c63b9"`
Nov 09 09:08:29.218 INFO blam! 88c87e5a60840aef53a4168fc6afb8b03ec82157b0cc9e64a30956e93f4c63b9