Oct 13 10:38:00.097 INFO checking promises-0.2.0 against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 10:38:00.097 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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 13 10:38:00.283 INFO blam! 4efc79edc3cbc5a3349e6744b8677caea8fdcc913a4dd0ab793f1005492deb6c
Oct 13 10:38:00.284 INFO running `"docker" "start" "-a" "4efc79edc3cbc5a3349e6744b8677caea8fdcc913a4dd0ab793f1005492deb6c"`
Oct 13 10:38:01.137 INFO kablam! usermod: no changes
Oct 13 10:38:01.162 INFO kablam!     Checking promises v0.2.0 (/source)
Oct 13 10:38:01.861 INFO kablam! warning: unused import: `std::fs`
Oct 13 10:38:01.861 INFO kablam!  --> src/tests.rs:4:5
Oct 13 10:38:01.861 INFO kablam!   |
Oct 13 10:38:01.861 INFO kablam! 4 | use std::fs;
Oct 13 10:38:01.862 INFO kablam!   |     ^^^^^^^
Oct 13 10:38:01.862 INFO kablam!   |
Oct 13 10:38:01.862 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 10:38:01.863 INFO kablam! 
Oct 13 10:38:01.924 INFO kablam! warning: unused variable: `file`
Oct 13 10:38:01.924 INFO kablam!   --> src/tests.rs:23:12
Oct 13 10:38:01.924 INFO kablam!    |
Oct 13 10:38:01.924 INFO kablam! 23 |         Ok(file) => println!("Created a file!"),
Oct 13 10:38:01.924 INFO kablam!    |            ^^^^ help: consider using `_file` instead
Oct 13 10:38:01.924 INFO kablam!    |
Oct 13 10:38:01.924 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 10:38:01.924 INFO kablam! 
Oct 13 10:38:01.924 INFO kablam! warning: unused variable: `p`
Oct 13 10:38:01.924 INFO kablam!   --> src/tests.rs:31:9
Oct 13 10:38:01.924 INFO kablam!    |
Oct 13 10:38:01.924 INFO kablam! 31 |     let p: Promise<(), ()> = Promise::new(|| {
Oct 13 10:38:01.924 INFO kablam!    |         ^ help: consider using `_p` instead
Oct 13 10:38:01.924 INFO kablam! 
Oct 13 10:38:01.956 INFO kablam! warning: function is never used: `create_file`
Oct 13 10:38:01.956 INFO kablam!   --> src/tests.rs:13:1
Oct 13 10:38:01.956 INFO kablam!    |
Oct 13 10:38:01.956 INFO kablam! 13 | fn create_file() -> Result<File, io::Error> {
Oct 13 10:38:01.956 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 10:38:01.956 INFO kablam!    |
Oct 13 10:38:01.956 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 10:38:01.956 INFO kablam! 
Oct 13 10:38:02.160 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
Oct 13 10:38:02.164 INFO kablam! su: No module specific data is present
Oct 13 10:38:02.622 INFO running `"docker" "rm" "-f" "4efc79edc3cbc5a3349e6744b8677caea8fdcc913a4dd0ab793f1005492deb6c"`
Oct 13 10:38:02.710 INFO blam! 4efc79edc3cbc5a3349e6744b8677caea8fdcc913a4dd0ab793f1005492deb6c