Nov 29 01:22:18.582 INFO checking fstream-0.1.2 against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 29 01:22:18.582 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 29 01:22:19.106 INFO [stdout] b302263fde991705b9b7c3c5f506367e24e2134cc44f13456be19a97195219ed
Nov 29 01:22:19.112 INFO running `"docker" "start" "-a" "b302263fde991705b9b7c3c5f506367e24e2134cc44f13456be19a97195219ed"`
Nov 29 01:22:20.249 INFO [stderr] usermod: no changes
Nov 29 01:22:20.288 INFO [stderr]     Checking fstream v0.1.2 (/source)
Nov 29 01:22:20.885 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 01:22:20.888 INFO [stderr]   --> src/lib.rs:21:13
Nov 29 01:22:20.889 INFO [stderr]    |
Nov 29 01:22:20.889 INFO [stderr] 21 |             file.read_to_end(&mut data);
Nov 29 01:22:20.889 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 01:22:20.890 INFO [stderr]    |
Nov 29 01:22:20.890 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 01:22:20.890 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 01:22:20.890 INFO [stderr] 
Nov 29 01:22:20.891 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 01:22:20.891 INFO [stderr]   --> src/lib.rs:41:13
Nov 29 01:22:20.891 INFO [stderr]    |
Nov 29 01:22:20.892 INFO [stderr] 41 |             file.read_to_string(&mut content);
Nov 29 01:22:20.892 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 01:22:20.892 INFO [stderr]    |
Nov 29 01:22:20.892 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 01:22:20.893 INFO [stderr] 
Nov 29 01:22:20.893 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 01:22:20.893 INFO [stderr]   --> src/lib.rs:61:13
Nov 29 01:22:20.894 INFO [stderr]    |
Nov 29 01:22:20.894 INFO [stderr] 61 |             file.read_to_string(&mut content);
Nov 29 01:22:20.894 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 01:22:20.894 INFO [stderr]    |
Nov 29 01:22:20.895 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 01:22:20.895 INFO [stderr] 
Nov 29 01:22:20.895 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 01:22:20.896 INFO [stderr]   --> src/lib.rs:87:13
Nov 29 01:22:20.896 INFO [stderr]    |
Nov 29 01:22:20.897 INFO [stderr] 87 |             file.read_to_string(&mut content);
Nov 29 01:22:20.897 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 01:22:20.897 INFO [stderr]    |
Nov 29 01:22:20.898 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 01:22:20.898 INFO [stderr] 
Nov 29 01:22:21.112 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 01:22:21.113 INFO [stderr]   --> src/lib.rs:21:13
Nov 29 01:22:21.113 INFO [stderr]    |
Nov 29 01:22:21.113 INFO [stderr] 21 |             file.read_to_end(&mut data);
Nov 29 01:22:21.113 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 01:22:21.114 INFO [stderr]    |
Nov 29 01:22:21.114 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 01:22:21.114 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 01:22:21.114 INFO [stderr] 
Nov 29 01:22:21.114 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 01:22:21.114 INFO [stderr]   --> src/lib.rs:41:13
Nov 29 01:22:21.114 INFO [stderr]    |
Nov 29 01:22:21.114 INFO [stderr] 41 |             file.read_to_string(&mut content);
Nov 29 01:22:21.115 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 01:22:21.115 INFO [stderr]    |
Nov 29 01:22:21.115 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 01:22:21.115 INFO [stderr] 
Nov 29 01:22:21.115 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 01:22:21.115 INFO [stderr]   --> src/lib.rs:61:13
Nov 29 01:22:21.115 INFO [stderr]    |
Nov 29 01:22:21.115 INFO [stderr] 61 |             file.read_to_string(&mut content);
Nov 29 01:22:21.116 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 01:22:21.116 INFO [stderr]    |
Nov 29 01:22:21.116 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 01:22:21.116 INFO [stderr] 
Nov 29 01:22:21.116 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 01:22:21.116 INFO [stderr]   --> src/lib.rs:87:13
Nov 29 01:22:21.116 INFO [stderr]    |
Nov 29 01:22:21.116 INFO [stderr] 87 |             file.read_to_string(&mut content);
Nov 29 01:22:21.116 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 01:22:21.117 INFO [stderr]    |
Nov 29 01:22:21.117 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 01:22:21.117 INFO [stderr] 
Nov 29 01:22:21.146 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
Nov 29 01:22:21.148 INFO [stderr] su: No module specific data is present
Nov 29 01:22:21.384 INFO running `"docker" "inspect" "b302263fde991705b9b7c3c5f506367e24e2134cc44f13456be19a97195219ed"`
Nov 29 01:22:21.663 INFO running `"docker" "rm" "-f" "b302263fde991705b9b7c3c5f506367e24e2134cc44f13456be19a97195219ed"`
Nov 29 01:22:21.896 INFO [stdout] b302263fde991705b9b7c3c5f506367e24e2134cc44f13456be19a97195219ed