Nov 30 09:58:08.209 INFO checking LothTikar/rusty_playlist_maker against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 09:58:08.209 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-3/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 09:58:08.769 INFO [stdout] 08a3833bafa2315d83cb5ff42995d115ecc4d377709e6ed377724e998513f0bb
Nov 30 09:58:08.771 INFO running `"docker" "start" "-a" "08a3833bafa2315d83cb5ff42995d115ecc4d377709e6ed377724e998513f0bb"`
Nov 30 09:58:10.668 INFO [stderr] usermod: no changes
Nov 30 09:58:10.748 INFO [stderr]     Checking memchr v2.0.2
Nov 30 09:58:11.032 INFO [stderr]     Checking csv-core v0.1.4
Nov 30 09:58:11.616 INFO [stderr]     Checking csv v1.0.1
Nov 30 09:58:13.172 INFO [stderr]     Checking rusty_playlist_maker v0.1.0 (/source)
Nov 30 09:58:14.348 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 09:58:14.348 INFO [stderr]   --> src/main.rs:65:9
Nov 30 09:58:14.348 INFO [stderr]    |
Nov 30 09:58:14.348 INFO [stderr] 65 |         file.write_all((i + "\n").as_bytes());
Nov 30 09:58:14.348 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 09:58:14.348 INFO [stderr]    |
Nov 30 09:58:14.348 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 09:58:14.348 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 09:58:14.348 INFO [stderr] 
Nov 30 09:58:14.348 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 09:58:14.348 INFO [stderr]   --> src/main.rs:72:13
Nov 30 09:58:14.348 INFO [stderr]    |
Nov 30 09:58:14.348 INFO [stderr] 72 |             file.write_all(format!("{}\n", i).as_bytes());
Nov 30 09:58:14.348 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 09:58:14.348 INFO [stderr]    |
Nov 30 09:58:14.348 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 09:58:14.348 INFO [stderr] 
Nov 30 09:58:14.616 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 09:58:14.616 INFO [stderr]   --> src/main.rs:65:9
Nov 30 09:58:14.616 INFO [stderr]    |
Nov 30 09:58:14.616 INFO [stderr] 65 |         file.write_all((i + "\n").as_bytes());
Nov 30 09:58:14.616 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 09:58:14.616 INFO [stderr]    |
Nov 30 09:58:14.616 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 09:58:14.616 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 09:58:14.616 INFO [stderr] 
Nov 30 09:58:14.616 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 09:58:14.616 INFO [stderr]   --> src/main.rs:72:13
Nov 30 09:58:14.616 INFO [stderr]    |
Nov 30 09:58:14.616 INFO [stderr] 72 |             file.write_all(format!("{}\n", i).as_bytes());
Nov 30 09:58:14.616 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 09:58:14.616 INFO [stderr]    |
Nov 30 09:58:14.616 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 09:58:14.616 INFO [stderr] 
Nov 30 09:58:14.634 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.94s
Nov 30 09:58:14.640 INFO [stderr] su: No module specific data is present
Nov 30 09:58:15.780 INFO running `"docker" "inspect" "08a3833bafa2315d83cb5ff42995d115ecc4d377709e6ed377724e998513f0bb"`
Nov 30 09:58:16.169 INFO running `"docker" "rm" "-f" "08a3833bafa2315d83cb5ff42995d115ecc4d377709e6ed377724e998513f0bb"`
Nov 30 09:58:16.413 INFO [stdout] 08a3833bafa2315d83cb5ff42995d115ecc4d377709e6ed377724e998513f0bb