Nov 01 11:17:06.528 INFO checking LothTikar/rusty_playlist_maker against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 11:17:06.528 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-4/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 11:17:07.034 INFO blam! c799f45e4bc95c159659db469f1950c6bbb6d2c6e8ee9cdb0ab6e47decaba2d2
Nov 01 11:17:07.036 INFO running `"docker" "start" "-a" "c799f45e4bc95c159659db469f1950c6bbb6d2c6e8ee9cdb0ab6e47decaba2d2"`
Nov 01 11:17:09.048 INFO kablam! usermod: no changes
Nov 01 11:17:09.172 INFO kablam!     Checking libc v0.2.43
Nov 01 11:17:10.568 INFO kablam!     Checking memchr v2.0.2
Nov 01 11:17:10.796 INFO kablam!     Checking csv-core v0.1.4
Nov 01 11:17:11.268 INFO kablam!     Checking csv v1.0.1
Nov 01 11:17:12.981 INFO kablam!     Checking rusty_playlist_maker v0.1.0 (/source)
Nov 01 11:17:14.158 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 11:17:14.158 INFO kablam!   --> src/main.rs:65:9
Nov 01 11:17:14.158 INFO kablam!    |
Nov 01 11:17:14.158 INFO kablam! 65 |         file.write_all((i + "\n").as_bytes());
Nov 01 11:17:14.158 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 11:17:14.158 INFO kablam!    |
Nov 01 11:17:14.158 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 11:17:14.159 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 11:17:14.159 INFO kablam! 
Nov 01 11:17:14.159 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 11:17:14.159 INFO kablam!   --> src/main.rs:72:13
Nov 01 11:17:14.159 INFO kablam!    |
Nov 01 11:17:14.159 INFO kablam! 72 |             file.write_all(format!("{}\n", i).as_bytes());
Nov 01 11:17:14.159 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 11:17:14.159 INFO kablam!    |
Nov 01 11:17:14.159 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 11:17:14.159 INFO kablam! 
Nov 01 11:17:14.422 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 11:17:14.422 INFO kablam!   --> src/main.rs:65:9
Nov 01 11:17:14.423 INFO kablam!    |
Nov 01 11:17:14.423 INFO kablam! 65 |         file.write_all((i + "\n").as_bytes());
Nov 01 11:17:14.424 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 11:17:14.424 INFO kablam!    |
Nov 01 11:17:14.424 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 11:17:14.425 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 11:17:14.425 INFO kablam! 
Nov 01 11:17:14.425 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 11:17:14.426 INFO kablam!   --> src/main.rs:72:13
Nov 01 11:17:14.426 INFO kablam!    |
Nov 01 11:17:14.426 INFO kablam! 72 |             file.write_all(format!("{}\n", i).as_bytes());
Nov 01 11:17:14.427 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 11:17:14.427 INFO kablam!    |
Nov 01 11:17:14.427 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 11:17:14.427 INFO kablam! 
Nov 01 11:17:14.480 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.40s
Nov 01 11:17:14.484 INFO kablam! su: No module specific data is present
Nov 01 11:17:16.060 INFO running `"docker" "rm" "-f" "c799f45e4bc95c159659db469f1950c6bbb6d2c6e8ee9cdb0ab6e47decaba2d2"`
Nov 01 11:17:16.340 INFO blam! c799f45e4bc95c159659db469f1950c6bbb6d2c6e8ee9cdb0ab6e47decaba2d2