Dec 14 06:38:56.966 INFO testing Qwertee/Kopier against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 06:38:56.971 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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"`
Dec 14 06:38:57.373 INFO [stdout] 5438b6c147d5431c551ab2a9dabd2c2a76b6e8747adb5fa670c7aca9db3f5f76
Dec 14 06:38:57.377 INFO running `"docker" "start" "-a" "5438b6c147d5431c551ab2a9dabd2c2a76b6e8747adb5fa670c7aca9db3f5f76"`
Dec 14 06:38:58.435 INFO [stderr] usermod: no changes
Dec 14 06:38:58.499 INFO [stderr]    Compiling kopier v0.1.0 (/source)
Dec 14 06:38:58.911 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:38:58.911 INFO [stderr]   --> src/main.rs:22:9
Dec 14 06:38:58.911 INFO [stderr]    |
Dec 14 06:38:58.911 INFO [stderr] 22 |     let mut dest_file = try!(File::create(dest_string));
Dec 14 06:38:58.911 INFO [stderr]    |         ----^^^^^^^^^
Dec 14 06:38:58.911 INFO [stderr]    |         |
Dec 14 06:38:58.911 INFO [stderr]    |         help: remove this `mut`
Dec 14 06:38:58.911 INFO [stderr]    |
Dec 14 06:38:58.911 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 06:38:58.911 INFO [stderr] 
Dec 14 06:38:58.917 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:38:58.917 INFO [stderr]   --> src/main.rs:32:5
Dec 14 06:38:58.917 INFO [stderr]    |
Dec 14 06:38:58.917 INFO [stderr] 32 |     f.write_all(data.as_bytes());
Dec 14 06:38:58.917 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:38:58.917 INFO [stderr]    |
Dec 14 06:38:58.917 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 06:38:58.917 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:38:58.917 INFO [stderr] 
Dec 14 06:38:59.457 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
Dec 14 06:38:59.463 INFO [stderr] su: No module specific data is present
Dec 14 06:39:00.300 INFO running `"docker" "inspect" "5438b6c147d5431c551ab2a9dabd2c2a76b6e8747adb5fa670c7aca9db3f5f76"`
Dec 14 06:39:00.636 INFO running `"docker" "rm" "-f" "5438b6c147d5431c551ab2a9dabd2c2a76b6e8747adb5fa670c7aca9db3f5f76"`
Dec 14 06:39:01.012 INFO [stdout] 5438b6c147d5431c551ab2a9dabd2c2a76b6e8747adb5fa670c7aca9db3f5f76
Dec 14 06:39:01.018 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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"`
Dec 14 06:39:01.536 INFO [stdout] 910754d7468edb667b747737fdd97643a0c124ac99bec845bdbdce80f1eb24a6
Dec 14 06:39:01.543 INFO running `"docker" "start" "-a" "910754d7468edb667b747737fdd97643a0c124ac99bec845bdbdce80f1eb24a6"`
Dec 14 06:39:02.410 INFO [stderr] usermod: no changes
Dec 14 06:39:02.483 INFO [stderr]    Compiling kopier v0.1.0 (/source)
Dec 14 06:39:03.048 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:39:03.048 INFO [stderr]   --> src/main.rs:22:9
Dec 14 06:39:03.048 INFO [stderr]    |
Dec 14 06:39:03.048 INFO [stderr] 22 |     let mut dest_file = try!(File::create(dest_string));
Dec 14 06:39:03.048 INFO [stderr]    |         ----^^^^^^^^^
Dec 14 06:39:03.048 INFO [stderr]    |         |
Dec 14 06:39:03.048 INFO [stderr]    |         help: remove this `mut`
Dec 14 06:39:03.048 INFO [stderr]    |
Dec 14 06:39:03.048 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 06:39:03.048 INFO [stderr] 
Dec 14 06:39:03.051 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:39:03.051 INFO [stderr]   --> src/main.rs:32:5
Dec 14 06:39:03.051 INFO [stderr]    |
Dec 14 06:39:03.051 INFO [stderr] 32 |     f.write_all(data.as_bytes());
Dec 14 06:39:03.051 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:39:03.051 INFO [stderr]    |
Dec 14 06:39:03.051 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 06:39:03.051 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:39:03.051 INFO [stderr] 
Dec 14 06:39:03.299 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
Dec 14 06:39:03.303 INFO [stderr] su: No module specific data is present
Dec 14 06:39:03.706 INFO running `"docker" "inspect" "910754d7468edb667b747737fdd97643a0c124ac99bec845bdbdce80f1eb24a6"`
Dec 14 06:39:03.856 INFO running `"docker" "rm" "-f" "910754d7468edb667b747737fdd97643a0c124ac99bec845bdbdce80f1eb24a6"`
Dec 14 06:39:04.025 INFO [stdout] 910754d7468edb667b747737fdd97643a0c124ac99bec845bdbdce80f1eb24a6
Dec 14 06:39:04.032 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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"`
Dec 14 06:39:04.275 INFO [stdout] 2991737fa576f77652393e2e71bc1cc58c28a0dbf02548ab3abbe572dfc5ec8b
Dec 14 06:39:04.281 INFO running `"docker" "start" "-a" "2991737fa576f77652393e2e71bc1cc58c28a0dbf02548ab3abbe572dfc5ec8b"`
Dec 14 06:39:04.990 INFO [stderr] usermod: no changes
Dec 14 06:39:05.000 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 14 06:39:05.000 INFO [stderr]      Running /target/debug/deps/kopier-519a6e061f755000
Dec 14 06:39:05.002 INFO [stdout] 
Dec 14 06:39:05.002 INFO [stdout] running 0 tests
Dec 14 06:39:05.002 INFO [stdout] 
Dec 14 06:39:05.002 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 06:39:05.002 INFO [stdout] 
Dec 14 06:39:05.003 INFO [stderr] su: No module specific data is present
Dec 14 06:39:05.397 INFO running `"docker" "inspect" "2991737fa576f77652393e2e71bc1cc58c28a0dbf02548ab3abbe572dfc5ec8b"`
Dec 14 06:39:05.577 INFO running `"docker" "rm" "-f" "2991737fa576f77652393e2e71bc1cc58c28a0dbf02548ab3abbe572dfc5ec8b"`
Dec 14 06:39:05.860 INFO [stdout] 2991737fa576f77652393e2e71bc1cc58c28a0dbf02548ab3abbe572dfc5ec8b