Dec 15 14:16:43.022 INFO testing fstream-0.1.2 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 14:16:43.022 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 15 14:16:43.214 INFO [stdout] 5a6ec65e2f2d90a96320d77f14487a942d7b5baeeb99c0bc3f7de95141a37041
Dec 15 14:16:43.217 INFO running `"docker" "start" "-a" "5a6ec65e2f2d90a96320d77f14487a942d7b5baeeb99c0bc3f7de95141a37041"`
Dec 15 14:16:43.874 INFO [stderr] usermod: no changes
Dec 15 14:16:43.922 INFO [stderr]    Compiling fstream v0.1.2 (/source)
Dec 15 14:16:44.595 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 14:16:44.595 INFO [stderr]   --> src/lib.rs:21:13
Dec 15 14:16:44.595 INFO [stderr]    |
Dec 15 14:16:44.595 INFO [stderr] 21 |             file.read_to_end(&mut data);
Dec 15 14:16:44.595 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 14:16:44.595 INFO [stderr]    |
Dec 15 14:16:44.595 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 15 14:16:44.595 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 14:16:44.595 INFO [stderr] 
Dec 15 14:16:44.595 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 14:16:44.595 INFO [stderr]   --> src/lib.rs:41:13
Dec 15 14:16:44.595 INFO [stderr]    |
Dec 15 14:16:44.595 INFO [stderr] 41 |             file.read_to_string(&mut content);
Dec 15 14:16:44.595 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 14:16:44.595 INFO [stderr]    |
Dec 15 14:16:44.595 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 14:16:44.595 INFO [stderr] 
Dec 15 14:16:44.595 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 14:16:44.595 INFO [stderr]   --> src/lib.rs:61:13
Dec 15 14:16:44.595 INFO [stderr]    |
Dec 15 14:16:44.595 INFO [stderr] 61 |             file.read_to_string(&mut content);
Dec 15 14:16:44.595 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 14:16:44.595 INFO [stderr]    |
Dec 15 14:16:44.595 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 14:16:44.595 INFO [stderr] 
Dec 15 14:16:44.595 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 14:16:44.595 INFO [stderr]   --> src/lib.rs:87:13
Dec 15 14:16:44.595 INFO [stderr]    |
Dec 15 14:16:44.595 INFO [stderr] 87 |             file.read_to_string(&mut content);
Dec 15 14:16:44.595 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 14:16:44.595 INFO [stderr]    |
Dec 15 14:16:44.595 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 14:16:44.595 INFO [stderr] 
Dec 15 14:16:44.621 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Dec 15 14:16:44.633 INFO [stderr] su: No module specific data is present
Dec 15 14:16:45.199 INFO running `"docker" "inspect" "5a6ec65e2f2d90a96320d77f14487a942d7b5baeeb99c0bc3f7de95141a37041"`
Dec 15 14:16:45.287 INFO running `"docker" "rm" "-f" "5a6ec65e2f2d90a96320d77f14487a942d7b5baeeb99c0bc3f7de95141a37041"`
Dec 15 14:16:45.422 INFO [stdout] 5a6ec65e2f2d90a96320d77f14487a942d7b5baeeb99c0bc3f7de95141a37041
Dec 15 14:16:45.426 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 15 14:16:45.728 INFO [stdout] 2be10b84b83e24165322349549775bda1e76cdd2200a1ce52508ebd3797c7566
Dec 15 14:16:45.730 INFO running `"docker" "start" "-a" "2be10b84b83e24165322349549775bda1e76cdd2200a1ce52508ebd3797c7566"`
Dec 15 14:16:46.291 INFO [stderr] usermod: no changes
Dec 15 14:16:46.319 INFO [stderr]    Compiling fstream v0.1.2 (/source)
Dec 15 14:16:46.983 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 14:16:46.983 INFO [stderr]   --> src/lib.rs:21:13
Dec 15 14:16:46.983 INFO [stderr]    |
Dec 15 14:16:46.983 INFO [stderr] 21 |             file.read_to_end(&mut data);
Dec 15 14:16:46.983 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 14:16:46.983 INFO [stderr]    |
Dec 15 14:16:46.983 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 15 14:16:46.983 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 14:16:46.983 INFO [stderr] 
Dec 15 14:16:46.983 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 14:16:46.983 INFO [stderr]   --> src/lib.rs:41:13
Dec 15 14:16:46.983 INFO [stderr]    |
Dec 15 14:16:46.983 INFO [stderr] 41 |             file.read_to_string(&mut content);
Dec 15 14:16:46.983 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 14:16:46.983 INFO [stderr]    |
Dec 15 14:16:46.983 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 14:16:46.983 INFO [stderr] 
Dec 15 14:16:46.983 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 14:16:46.983 INFO [stderr]   --> src/lib.rs:61:13
Dec 15 14:16:46.983 INFO [stderr]    |
Dec 15 14:16:46.983 INFO [stderr] 61 |             file.read_to_string(&mut content);
Dec 15 14:16:46.983 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 14:16:46.983 INFO [stderr]    |
Dec 15 14:16:46.983 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 14:16:46.983 INFO [stderr] 
Dec 15 14:16:46.983 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 14:16:46.983 INFO [stderr]   --> src/lib.rs:87:13
Dec 15 14:16:46.983 INFO [stderr]    |
Dec 15 14:16:46.983 INFO [stderr] 87 |             file.read_to_string(&mut content);
Dec 15 14:16:46.983 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 14:16:46.983 INFO [stderr]    |
Dec 15 14:16:46.983 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 14:16:46.983 INFO [stderr] 
Dec 15 14:16:47.309 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
Dec 15 14:16:47.312 INFO [stderr] su: No module specific data is present
Dec 15 14:16:47.836 INFO running `"docker" "inspect" "2be10b84b83e24165322349549775bda1e76cdd2200a1ce52508ebd3797c7566"`
Dec 15 14:16:48.145 INFO running `"docker" "rm" "-f" "2be10b84b83e24165322349549775bda1e76cdd2200a1ce52508ebd3797c7566"`
Dec 15 14:16:48.457 INFO [stdout] 2be10b84b83e24165322349549775bda1e76cdd2200a1ce52508ebd3797c7566
Dec 15 14:16:48.464 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 15 14:16:48.859 INFO [stdout] 3fcfb4ff0eb6e7044541ff351fe050384fc1d089f9ea7b4178c22cf5f28251a9
Dec 15 14:16:48.859 INFO running `"docker" "start" "-a" "3fcfb4ff0eb6e7044541ff351fe050384fc1d089f9ea7b4178c22cf5f28251a9"`
Dec 15 14:16:50.119 INFO [stderr] usermod: no changes
Dec 15 14:16:50.180 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 15 14:16:50.180 INFO [stderr]      Running /target/debug/deps/fstream-91007b89766bf773
Dec 15 14:16:50.184 INFO [stdout] 
Dec 15 14:16:50.184 INFO [stdout] running 0 tests
Dec 15 14:16:50.187 INFO [stdout] 
Dec 15 14:16:50.187 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 14:16:50.187 INFO [stdout] 
Dec 15 14:16:50.187 INFO [stderr]    Doc-tests fstream
Dec 15 14:16:51.307 INFO [stdout] 
Dec 15 14:16:51.307 INFO [stdout] running 0 tests
Dec 15 14:16:51.307 INFO [stdout] 
Dec 15 14:16:51.307 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 14:16:51.307 INFO [stdout] 
Dec 15 14:16:51.311 INFO [stderr] su: No module specific data is present
Dec 15 14:16:51.747 INFO running `"docker" "inspect" "3fcfb4ff0eb6e7044541ff351fe050384fc1d089f9ea7b4178c22cf5f28251a9"`
Dec 15 14:16:51.994 INFO running `"docker" "rm" "-f" "3fcfb4ff0eb6e7044541ff351fe050384fc1d089f9ea7b4178c22cf5f28251a9"`
Dec 15 14:16:52.335 INFO [stdout] 3fcfb4ff0eb6e7044541ff351fe050384fc1d089f9ea7b4178c22cf5f28251a9