Nov 18 13:50:50.358 INFO testing fstream-0.1.2 against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 18 13:50:50.422 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 18 13:50:50.632 INFO [stdout] 630319ab566daf0b85b76d1b1d04a3d95a372c1fd655b469428206efbc0dbda9
Nov 18 13:50:50.633 INFO running `"docker" "start" "-a" "630319ab566daf0b85b76d1b1d04a3d95a372c1fd655b469428206efbc0dbda9"`
Nov 18 13:50:51.153 INFO [stderr] usermod: no changes
Nov 18 13:50:51.192 INFO [stderr]    Compiling fstream v0.1.2 (/source)
Nov 18 13:50:51.552 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 13:50:51.552 INFO [stderr]   --> src/lib.rs:21:13
Nov 18 13:50:51.552 INFO [stderr]    |
Nov 18 13:50:51.552 INFO [stderr] 21 |             file.read_to_end(&mut data);
Nov 18 13:50:51.552 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 13:50:51.552 INFO [stderr]    |
Nov 18 13:50:51.552 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 18 13:50:51.552 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 13:50:51.552 INFO [stderr] 
Nov 18 13:50:51.552 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 13:50:51.552 INFO [stderr]   --> src/lib.rs:41:13
Nov 18 13:50:51.552 INFO [stderr]    |
Nov 18 13:50:51.552 INFO [stderr] 41 |             file.read_to_string(&mut content);
Nov 18 13:50:51.552 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 13:50:51.552 INFO [stderr]    |
Nov 18 13:50:51.552 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 13:50:51.552 INFO [stderr] 
Nov 18 13:50:51.552 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 13:50:51.552 INFO [stderr]   --> src/lib.rs:61:13
Nov 18 13:50:51.552 INFO [stderr]    |
Nov 18 13:50:51.552 INFO [stderr] 61 |             file.read_to_string(&mut content);
Nov 18 13:50:51.552 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 13:50:51.553 INFO [stderr]    |
Nov 18 13:50:51.553 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 13:50:51.553 INFO [stderr] 
Nov 18 13:50:51.553 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 13:50:51.553 INFO [stderr]   --> src/lib.rs:87:13
Nov 18 13:50:51.553 INFO [stderr]    |
Nov 18 13:50:51.553 INFO [stderr] 87 |             file.read_to_string(&mut content);
Nov 18 13:50:51.553 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 13:50:51.553 INFO [stderr]    |
Nov 18 13:50:51.553 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 13:50:51.553 INFO [stderr] 
Nov 18 13:50:51.572 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
Nov 18 13:50:51.579 INFO [stderr] su: No module specific data is present
Nov 18 13:50:52.027 INFO running `"docker" "inspect" "630319ab566daf0b85b76d1b1d04a3d95a372c1fd655b469428206efbc0dbda9"`
Nov 18 13:50:52.401 INFO running `"docker" "rm" "-f" "630319ab566daf0b85b76d1b1d04a3d95a372c1fd655b469428206efbc0dbda9"`
Nov 18 13:50:52.546 INFO [stdout] 630319ab566daf0b85b76d1b1d04a3d95a372c1fd655b469428206efbc0dbda9
Nov 18 13:50:52.553 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 18 13:50:52.806 INFO [stdout] babfe9879e4374d562269df6eefa59af2473024f5f4c70173599e7fb8961e5e8
Nov 18 13:50:52.809 INFO running `"docker" "start" "-a" "babfe9879e4374d562269df6eefa59af2473024f5f4c70173599e7fb8961e5e8"`
Nov 18 13:50:53.354 INFO [stderr] usermod: no changes
Nov 18 13:50:53.377 INFO [stderr]    Compiling fstream v0.1.2 (/source)
Nov 18 13:50:53.865 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 13:50:53.866 INFO [stderr]   --> src/lib.rs:21:13
Nov 18 13:50:53.866 INFO [stderr]    |
Nov 18 13:50:53.866 INFO [stderr] 21 |             file.read_to_end(&mut data);
Nov 18 13:50:53.866 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 13:50:53.866 INFO [stderr]    |
Nov 18 13:50:53.866 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 18 13:50:53.866 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 13:50:53.866 INFO [stderr] 
Nov 18 13:50:53.866 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 13:50:53.866 INFO [stderr]   --> src/lib.rs:41:13
Nov 18 13:50:53.866 INFO [stderr]    |
Nov 18 13:50:53.866 INFO [stderr] 41 |             file.read_to_string(&mut content);
Nov 18 13:50:53.867 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 13:50:53.867 INFO [stderr]    |
Nov 18 13:50:53.867 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 13:50:53.867 INFO [stderr] 
Nov 18 13:50:53.867 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 13:50:53.867 INFO [stderr]   --> src/lib.rs:61:13
Nov 18 13:50:53.867 INFO [stderr]    |
Nov 18 13:50:53.867 INFO [stderr] 61 |             file.read_to_string(&mut content);
Nov 18 13:50:53.867 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 13:50:53.868 INFO [stderr]    |
Nov 18 13:50:53.868 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 13:50:53.868 INFO [stderr] 
Nov 18 13:50:53.868 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 13:50:53.868 INFO [stderr]   --> src/lib.rs:87:13
Nov 18 13:50:53.868 INFO [stderr]    |
Nov 18 13:50:53.868 INFO [stderr] 87 |             file.read_to_string(&mut content);
Nov 18 13:50:53.868 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 13:50:53.868 INFO [stderr]    |
Nov 18 13:50:53.868 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 13:50:53.868 INFO [stderr] 
Nov 18 13:50:54.078 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Nov 18 13:50:54.080 INFO [stderr] su: No module specific data is present
Nov 18 13:50:54.436 INFO running `"docker" "inspect" "babfe9879e4374d562269df6eefa59af2473024f5f4c70173599e7fb8961e5e8"`
Nov 18 13:50:54.533 INFO running `"docker" "rm" "-f" "babfe9879e4374d562269df6eefa59af2473024f5f4c70173599e7fb8961e5e8"`
Nov 18 13:50:54.739 INFO [stdout] babfe9879e4374d562269df6eefa59af2473024f5f4c70173599e7fb8961e5e8
Nov 18 13:50:54.742 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 18 13:50:55.083 INFO [stdout] e109533081abc8c9460f9cec7b495b714f60c4939e337233cbde636dfaac1e35
Nov 18 13:50:55.088 INFO running `"docker" "start" "-a" "e109533081abc8c9460f9cec7b495b714f60c4939e337233cbde636dfaac1e35"`
Nov 18 13:50:55.576 INFO [stderr] usermod: no changes
Nov 18 13:50:55.606 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
Nov 18 13:50:55.606 INFO [stderr]      Running /target/debug/deps/fstream-679a40bf158a7a75
Nov 18 13:50:55.608 INFO [stdout] 
Nov 18 13:50:55.608 INFO [stdout] running 0 tests
Nov 18 13:50:55.608 INFO [stdout] 
Nov 18 13:50:55.608 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 13:50:55.608 INFO [stdout] 
Nov 18 13:50:55.608 INFO [stderr]    Doc-tests fstream
Nov 18 13:50:56.180 INFO [stdout] 
Nov 18 13:50:56.180 INFO [stdout] running 0 tests
Nov 18 13:50:56.180 INFO [stdout] 
Nov 18 13:50:56.180 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 13:50:56.180 INFO [stdout] 
Nov 18 13:50:56.187 INFO [stderr] su: No module specific data is present
Nov 18 13:50:56.440 INFO running `"docker" "inspect" "e109533081abc8c9460f9cec7b495b714f60c4939e337233cbde636dfaac1e35"`
Nov 18 13:50:56.534 INFO running `"docker" "rm" "-f" "e109533081abc8c9460f9cec7b495b714f60c4939e337233cbde636dfaac1e35"`
Nov 18 13:50:56.617 INFO [stdout] e109533081abc8c9460f9cec7b495b714f60c4939e337233cbde636dfaac1e35