Nov 28 00:59:50.377 INFO checking matthiasbeyer/task-rain against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 00:59:50.377 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 00:59:50.714 INFO [stdout] 931db6d5f59c74b4415cd9b53f48a7f04dc6995386a979ea192d2680343933ba
Nov 28 00:59:50.721 INFO running `"docker" "start" "-a" "931db6d5f59c74b4415cd9b53f48a7f04dc6995386a979ea192d2680343933ba"`
Nov 28 00:59:51.814 INFO [stderr] usermod: no changes
Nov 28 00:59:51.913 INFO [stderr]    Compiling backtrace-sys v0.1.12
Nov 28 00:59:51.913 INFO [stderr]     Checking termion v1.5.1
Nov 28 00:59:51.913 INFO [stderr]     Checking uuid v0.4.0
Nov 28 00:59:51.918 INFO [stderr]     Checking serde_json v0.9.10
Nov 28 00:59:51.918 INFO [stderr]     Checking itertools v0.6.2
Nov 28 00:59:51.918 INFO [stderr]     Checking chrono v0.2.25
Nov 28 00:59:54.952 INFO [stderr]     Checking task-hookrs v0.3.0
Nov 28 01:00:09.486 INFO [stderr]     Checking backtrace v0.3.3
Nov 28 01:00:10.054 INFO [stderr]     Checking error-chain v0.11.0
Nov 28 01:00:10.792 INFO [stderr]     Checking mowl v1.2.0
Nov 28 01:00:11.478 INFO [stderr]     Checking rain v0.3.1
Nov 28 01:00:12.198 INFO [stderr]     Checking task-graph v0.1.0 (/source)
Nov 28 01:00:14.247 INFO [stderr] warning: unused variable: `time`
Nov 28 01:00:14.248 INFO [stderr]   --> src/main.rs:42:10
Nov 28 01:00:14.248 INFO [stderr]    |
Nov 28 01:00:14.249 INFO [stderr] 42 |     for (time, group) in tasks.into_iter() {
Nov 28 01:00:14.249 INFO [stderr]    |          ^^^^ help: consider using `_time` instead
Nov 28 01:00:14.250 INFO [stderr]    |
Nov 28 01:00:14.250 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 01:00:14.251 INFO [stderr] 
Nov 28 01:00:14.253 INFO [stderr] warning: unused variable: `time`
Nov 28 01:00:14.253 INFO [stderr]   --> src/main.rs:42:10
Nov 28 01:00:14.254 INFO [stderr]    |
Nov 28 01:00:14.254 INFO [stderr] 42 |     for (time, group) in tasks.into_iter() {
Nov 28 01:00:14.255 INFO [stderr]    |          ^^^^ help: consider using `_time` instead
Nov 28 01:00:14.256 INFO [stderr]    |
Nov 28 01:00:14.256 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 01:00:14.256 INFO [stderr] 
Nov 28 01:00:14.272 INFO [stderr] warning: variable does not need to be mutable
Nov 28 01:00:14.272 INFO [stderr]   --> src/main.rs:27:17
Nov 28 01:00:14.272 INFO [stderr]    |
Nov 28 01:00:14.272 INFO [stderr] 27 |             let mut file = File::open(filename).expect("Couldn't open file");
Nov 28 01:00:14.272 INFO [stderr]    |                 ----^^^^
Nov 28 01:00:14.272 INFO [stderr]    |                 |
Nov 28 01:00:14.272 INFO [stderr]    |                 help: remove this `mut`
Nov 28 01:00:14.272 INFO [stderr]    |
Nov 28 01:00:14.276 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 01:00:14.277 INFO [stderr] 
Nov 28 01:00:14.277 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 01:00:14.277 INFO [stderr]   --> src/main.rs:48:5
Nov 28 01:00:14.277 INFO [stderr]    |
Nov 28 01:00:14.277 INFO [stderr] 48 |     graph.print();
Nov 28 01:00:14.277 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 28 01:00:14.277 INFO [stderr]    |
Nov 28 01:00:14.277 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 01:00:14.278 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 01:00:14.278 INFO [stderr] 
Nov 28 01:00:14.284 INFO [stderr] warning: variable does not need to be mutable
Nov 28 01:00:14.284 INFO [stderr]   --> src/main.rs:27:17
Nov 28 01:00:14.285 INFO [stderr]    |
Nov 28 01:00:14.285 INFO [stderr] 27 |             let mut file = File::open(filename).expect("Couldn't open file");
Nov 28 01:00:14.285 INFO [stderr]    |                 ----^^^^
Nov 28 01:00:14.285 INFO [stderr]    |                 |
Nov 28 01:00:14.285 INFO [stderr]    |                 help: remove this `mut`
Nov 28 01:00:14.285 INFO [stderr]    |
Nov 28 01:00:14.285 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 01:00:14.285 INFO [stderr] 
Nov 28 01:00:14.285 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 01:00:14.285 INFO [stderr]   --> src/main.rs:48:5
Nov 28 01:00:14.285 INFO [stderr]    |
Nov 28 01:00:14.285 INFO [stderr] 48 |     graph.print();
Nov 28 01:00:14.285 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 28 01:00:14.285 INFO [stderr]    |
Nov 28 01:00:14.287 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 01:00:14.287 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 01:00:14.287 INFO [stderr] 
Nov 28 01:00:14.349 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.51s
Nov 28 01:00:14.356 INFO [stderr] su: No module specific data is present
Nov 28 01:00:15.491 INFO running `"docker" "inspect" "931db6d5f59c74b4415cd9b53f48a7f04dc6995386a979ea192d2680343933ba"`
Nov 28 01:00:15.728 INFO running `"docker" "rm" "-f" "931db6d5f59c74b4415cd9b53f48a7f04dc6995386a979ea192d2680343933ba"`
Nov 28 01:00:16.005 INFO [stdout] 931db6d5f59c74b4415cd9b53f48a7f04dc6995386a979ea192d2680343933ba