Oct 12 17:43:14.335 INFO checking matthiasbeyer/task-rain against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 17:43:14.335 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 17:43:14.590 INFO blam! 3d806519bbe962b4bf95a05eae67d440d57bdd746ae3d17f50e4821285448001
Oct 12 17:43:14.592 INFO running `"docker" "start" "-a" "3d806519bbe962b4bf95a05eae67d440d57bdd746ae3d17f50e4821285448001"`
Oct 12 17:43:16.054 INFO kablam! usermod: no changes
Oct 12 17:43:16.167 INFO kablam!     Checking itoa v0.3.3
Oct 12 17:43:16.168 INFO kablam!    Compiling backtrace-sys v0.1.12
Oct 12 17:43:16.169 INFO kablam!     Checking termion v1.5.1
Oct 12 17:43:16.169 INFO kablam!     Checking uuid v0.4.0
Oct 12 17:43:16.169 INFO kablam!     Checking itertools v0.6.2
Oct 12 17:43:16.169 INFO kablam!    Compiling serde_codegen_internals v0.14.2
Oct 12 17:43:16.171 INFO kablam!     Checking chrono v0.2.25
Oct 12 17:43:17.285 INFO kablam!     Checking serde_json v0.9.10
Oct 12 17:43:20.736 INFO kablam!    Compiling serde_derive v0.9.15
Oct 12 17:43:30.020 INFO kablam!     Checking task-hookrs v0.3.0
Oct 12 17:43:37.222 INFO kablam!     Checking backtrace v0.3.3
Oct 12 17:43:37.933 INFO kablam!     Checking error-chain v0.11.0
Oct 12 17:43:38.716 INFO kablam!     Checking mowl v1.2.0
Oct 12 17:43:39.232 INFO kablam!     Checking rain v0.3.1
Oct 12 17:43:39.885 INFO kablam!     Checking task-graph v0.1.0 (/source)
Oct 12 17:43:42.236 INFO kablam! warning: unused variable: `time`
Oct 12 17:43:42.236 INFO kablam!   --> src/main.rs:42:10
Oct 12 17:43:42.236 INFO kablam!    |
Oct 12 17:43:42.236 INFO kablam! 42 |     for (time, group) in tasks.into_iter() {
Oct 12 17:43:42.236 INFO kablam!    |          ^^^^ help: consider using `_time` instead
Oct 12 17:43:42.236 INFO kablam!    |
Oct 12 17:43:42.236 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 17:43:42.236 INFO kablam! 
Oct 12 17:43:42.248 INFO kablam! warning: variable does not need to be mutable
Oct 12 17:43:42.248 INFO kablam!   --> src/main.rs:27:17
Oct 12 17:43:42.248 INFO kablam!    |
Oct 12 17:43:42.248 INFO kablam! 27 |             let mut file = File::open(filename).expect("Couldn't open file");
Oct 12 17:43:42.248 INFO kablam!    |                 ----^^^^
Oct 12 17:43:42.248 INFO kablam!    |                 |
Oct 12 17:43:42.248 INFO kablam!    |                 help: remove this `mut`
Oct 12 17:43:42.248 INFO kablam!    |
Oct 12 17:43:42.248 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 17:43:42.248 INFO kablam! 
Oct 12 17:43:42.248 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 17:43:42.248 INFO kablam!   --> src/main.rs:48:5
Oct 12 17:43:42.248 INFO kablam!    |
Oct 12 17:43:42.248 INFO kablam! 48 |     graph.print();
Oct 12 17:43:42.248 INFO kablam!    |     ^^^^^^^^^^^^^^
Oct 12 17:43:42.248 INFO kablam!    |
Oct 12 17:43:42.248 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 17:43:42.248 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 17:43:42.248 INFO kablam! 
Oct 12 17:43:42.379 INFO kablam! warning: unused variable: `time`
Oct 12 17:43:42.380 INFO kablam!   --> src/main.rs:42:10
Oct 12 17:43:42.380 INFO kablam!    |
Oct 12 17:43:42.381 INFO kablam! 42 |     for (time, group) in tasks.into_iter() {
Oct 12 17:43:42.381 INFO kablam!    |          ^^^^ help: consider using `_time` instead
Oct 12 17:43:42.382 INFO kablam!    |
Oct 12 17:43:42.382 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 17:43:42.382 INFO kablam! 
Oct 12 17:43:42.404 INFO kablam! warning: variable does not need to be mutable
Oct 12 17:43:42.404 INFO kablam!   --> src/main.rs:27:17
Oct 12 17:43:42.404 INFO kablam!    |
Oct 12 17:43:42.404 INFO kablam! 27 |             let mut file = File::open(filename).expect("Couldn't open file");
Oct 12 17:43:42.404 INFO kablam!    |                 ----^^^^
Oct 12 17:43:42.404 INFO kablam!    |                 |
Oct 12 17:43:42.406 INFO kablam!    |                 help: remove this `mut`
Oct 12 17:43:42.406 INFO kablam!    |
Oct 12 17:43:42.406 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 17:43:42.406 INFO kablam! 
Oct 12 17:43:42.407 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 17:43:42.407 INFO kablam!   --> src/main.rs:48:5
Oct 12 17:43:42.407 INFO kablam!    |
Oct 12 17:43:42.408 INFO kablam! 48 |     graph.print();
Oct 12 17:43:42.408 INFO kablam!    |     ^^^^^^^^^^^^^^
Oct 12 17:43:42.408 INFO kablam!    |
Oct 12 17:43:42.409 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 17:43:42.409 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 17:43:42.409 INFO kablam! 
Oct 12 17:43:42.492 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 26.41s
Oct 12 17:43:42.504 INFO kablam! su: No module specific data is present
Oct 12 17:43:43.469 INFO running `"docker" "rm" "-f" "3d806519bbe962b4bf95a05eae67d440d57bdd746ae3d17f50e4821285448001"`
Oct 12 17:43:43.756 INFO blam! 3d806519bbe962b4bf95a05eae67d440d57bdd746ae3d17f50e4821285448001