Nov 01 16:59:20.561 INFO checking rust_hawktracer-0.2.0 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 16:59:20.563 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-3/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 01 16:59:21.092 INFO blam! db87f2e0e69c106d09a284745ab855e85b4c632faaf25fbe893b61fca769e74a
Nov 01 16:59:21.092 INFO running `"docker" "start" "-a" "db87f2e0e69c106d09a284745ab855e85b4c632faaf25fbe893b61fca769e74a"`
Nov 01 16:59:21.978 INFO kablam! usermod: no changes
Nov 01 16:59:22.050 INFO kablam!    Compiling rust_hawktracer v0.2.0 (/source)
Nov 01 16:59:22.616 INFO kablam! warning: unused import: `Path`
Nov 01 16:59:22.616 INFO kablam!  --> build.rs:6:26
Nov 01 16:59:22.616 INFO kablam!   |
Nov 01 16:59:22.616 INFO kablam! 6 | use std::path::{PathBuf, Path};
Nov 01 16:59:22.616 INFO kablam!   |                          ^^^^
Nov 01 16:59:22.616 INFO kablam!   |
Nov 01 16:59:22.616 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 16:59:22.616 INFO kablam! 
Nov 01 16:59:30.360 INFO kablam! warning: unused import: `std`
Nov 01 16:59:30.360 INFO kablam!  --> src/rust_hawktracer.rs:5:5
Nov 01 16:59:30.361 INFO kablam!   |
Nov 01 16:59:30.361 INFO kablam! 5 | use std;
Nov 01 16:59:30.361 INFO kablam!   |     ^^^
Nov 01 16:59:30.361 INFO kablam!   |
Nov 01 16:59:30.361 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 16:59:30.361 INFO kablam! 
Nov 01 16:59:30.599 INFO kablam! warning: unused import: `std`
Nov 01 16:59:30.599 INFO kablam!  --> src/rust_hawktracer.rs:5:5
Nov 01 16:59:30.599 INFO kablam!   |
Nov 01 16:59:30.600 INFO kablam! 5 | use std;
Nov 01 16:59:30.600 INFO kablam!   |     ^^^
Nov 01 16:59:30.600 INFO kablam!   |
Nov 01 16:59:30.600 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 16:59:30.600 INFO kablam! 
Nov 01 16:59:31.920 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 16:59:31.920 INFO kablam!   --> tests/simple_test.rs:10:5
Nov 01 16:59:31.920 INFO kablam!    |
Nov 01 16:59:31.920 INFO kablam! 10 |     fs::remove_file(file_name);
Nov 01 16:59:31.920 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 16:59:31.920 INFO kablam!    |
Nov 01 16:59:31.920 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 16:59:31.921 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 16:59:31.921 INFO kablam! 
Nov 01 16:59:31.940 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.94s
Nov 01 16:59:31.951 INFO kablam! su: No module specific data is present
Nov 01 16:59:32.550 INFO running `"docker" "rm" "-f" "db87f2e0e69c106d09a284745ab855e85b4c632faaf25fbe893b61fca769e74a"`
Nov 01 16:59:32.643 INFO blam! db87f2e0e69c106d09a284745ab855e85b4c632faaf25fbe893b61fca769e74a