Dec 05 13:36:57.265 INFO checking fstream-0.1.2 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 13:36:57.265 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 05 13:36:57.543 INFO [stdout] 85aa286a47a4bcbb74b4221086102e399dd1b989f68381ba7ca95cc32a07c54b
Dec 05 13:36:57.548 INFO running `"docker" "start" "-a" "85aa286a47a4bcbb74b4221086102e399dd1b989f68381ba7ca95cc32a07c54b"`
Dec 05 13:36:58.858 INFO [stderr] usermod: no changes
Dec 05 13:36:58.916 INFO [stderr]     Checking fstream v0.1.2 (/source)
Dec 05 13:36:59.879 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 13:36:59.879 INFO [stderr]   --> src/lib.rs:21:13
Dec 05 13:36:59.879 INFO [stderr]    |
Dec 05 13:36:59.879 INFO [stderr] 21 |             file.read_to_end(&mut data);
Dec 05 13:36:59.879 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:36:59.879 INFO [stderr]    |
Dec 05 13:36:59.879 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 13:36:59.879 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 13:36:59.879 INFO [stderr] 
Dec 05 13:36:59.887 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 13:36:59.887 INFO [stderr]   --> src/lib.rs:41:13
Dec 05 13:36:59.887 INFO [stderr]    |
Dec 05 13:36:59.887 INFO [stderr] 41 |             file.read_to_string(&mut content);
Dec 05 13:36:59.887 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:36:59.887 INFO [stderr]    |
Dec 05 13:36:59.887 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 13:36:59.887 INFO [stderr] 
Dec 05 13:36:59.887 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 13:36:59.887 INFO [stderr]   --> src/lib.rs:61:13
Dec 05 13:36:59.887 INFO [stderr]    |
Dec 05 13:36:59.887 INFO [stderr] 61 |             file.read_to_string(&mut content);
Dec 05 13:36:59.887 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:36:59.887 INFO [stderr]    |
Dec 05 13:36:59.887 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 13:36:59.887 INFO [stderr] 
Dec 05 13:36:59.887 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 13:36:59.887 INFO [stderr]   --> src/lib.rs:87:13
Dec 05 13:36:59.887 INFO [stderr]    |
Dec 05 13:36:59.887 INFO [stderr] 87 |             file.read_to_string(&mut content);
Dec 05 13:36:59.887 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:36:59.887 INFO [stderr]    |
Dec 05 13:36:59.887 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 13:36:59.887 INFO [stderr] 
Dec 05 13:36:59.999 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 13:36:59.999 INFO [stderr]   --> src/lib.rs:21:13
Dec 05 13:36:59.999 INFO [stderr]    |
Dec 05 13:36:59.999 INFO [stderr] 21 |             file.read_to_end(&mut data);
Dec 05 13:36:59.999 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:36:59.999 INFO [stderr]    |
Dec 05 13:36:59.999 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 13:36:59.999 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 13:36:59.999 INFO [stderr] 
Dec 05 13:36:59.999 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 13:36:59.999 INFO [stderr]   --> src/lib.rs:41:13
Dec 05 13:36:59.999 INFO [stderr]    |
Dec 05 13:36:59.999 INFO [stderr] 41 |             file.read_to_string(&mut content);
Dec 05 13:36:59.999 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:36:59.999 INFO [stderr]    |
Dec 05 13:36:59.999 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 13:36:59.999 INFO [stderr] 
Dec 05 13:36:59.999 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 13:36:59.999 INFO [stderr]   --> src/lib.rs:61:13
Dec 05 13:36:59.999 INFO [stderr]    |
Dec 05 13:36:59.999 INFO [stderr] 61 |             file.read_to_string(&mut content);
Dec 05 13:36:59.999 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:36:59.999 INFO [stderr]    |
Dec 05 13:36:59.999 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 13:36:59.999 INFO [stderr] 
Dec 05 13:36:59.999 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 13:36:59.999 INFO [stderr]   --> src/lib.rs:87:13
Dec 05 13:36:59.999 INFO [stderr]    |
Dec 05 13:36:59.999 INFO [stderr] 87 |             file.read_to_string(&mut content);
Dec 05 13:36:59.999 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:36:59.999 INFO [stderr]    |
Dec 05 13:36:59.999 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 13:36:59.999 INFO [stderr] 
Dec 05 13:37:00.015 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
Dec 05 13:37:00.017 INFO [stderr] su: No module specific data is present
Dec 05 13:37:00.511 INFO running `"docker" "inspect" "85aa286a47a4bcbb74b4221086102e399dd1b989f68381ba7ca95cc32a07c54b"`
Dec 05 13:37:00.769 INFO running `"docker" "rm" "-f" "85aa286a47a4bcbb74b4221086102e399dd1b989f68381ba7ca95cc32a07c54b"`
Dec 05 13:37:00.901 INFO [stdout] 85aa286a47a4bcbb74b4221086102e399dd1b989f68381ba7ca95cc32a07c54b