Nov 18 13:50:50.471 INFO testing fstream-0.1.2 against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 18 13:50:50.471 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 13:50:50.664 INFO [stdout] 8dbf6c0bac42f58a51eda1f7b9452d342a9a0b9dfb73de53e5fe15d91acabc01
Nov 18 13:50:50.666 INFO running `"docker" "start" "-a" "8dbf6c0bac42f58a51eda1f7b9452d342a9a0b9dfb73de53e5fe15d91acabc01"`
Nov 18 13:50:51.165 INFO [stderr] usermod: no changes
Nov 18 13:50:51.195 INFO [stderr]    Compiling fstream v0.1.2 (/source)
Nov 18 13:50:51.579 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 13:50:51.579 INFO [stderr]   --> src/lib.rs:21:13
Nov 18 13:50:51.579 INFO [stderr]    |
Nov 18 13:50:51.579 INFO [stderr] 21 |             file.read_to_end(&mut data);
Nov 18 13:50:51.579 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 13:50:51.579 INFO [stderr]    |
Nov 18 13:50:51.579 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 18 13:50:51.579 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 13:50:51.579 INFO [stderr] 
Nov 18 13:50:51.579 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 13:50:51.579 INFO [stderr]   --> src/lib.rs:41:13
Nov 18 13:50:51.579 INFO [stderr]    |
Nov 18 13:50:51.579 INFO [stderr] 41 |             file.read_to_string(&mut content);
Nov 18 13:50:51.579 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 13:50:51.579 INFO [stderr]    |
Nov 18 13:50:51.579 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 13:50:51.579 INFO [stderr] 
Nov 18 13:50:51.579 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 13:50:51.579 INFO [stderr]   --> src/lib.rs:61:13
Nov 18 13:50:51.579 INFO [stderr]    |
Nov 18 13:50:51.579 INFO [stderr] 61 |             file.read_to_string(&mut content);
Nov 18 13:50:51.579 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 13:50:51.579 INFO [stderr]    |
Nov 18 13:50:51.579 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 13:50:51.579 INFO [stderr] 
Nov 18 13:50:51.579 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 13:50:51.579 INFO [stderr]   --> src/lib.rs:87:13
Nov 18 13:50:51.579 INFO [stderr]    |
Nov 18 13:50:51.579 INFO [stderr] 87 |             file.read_to_string(&mut content);
Nov 18 13:50:51.579 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 13:50:51.579 INFO [stderr]    |
Nov 18 13:50:51.579 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 13:50:51.579 INFO [stderr] 
Nov 18 13:50:51.598 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
Nov 18 13:50:51.600 INFO [stderr] su: No module specific data is present
Nov 18 13:50:51.994 INFO running `"docker" "inspect" "8dbf6c0bac42f58a51eda1f7b9452d342a9a0b9dfb73de53e5fe15d91acabc01"`
Nov 18 13:50:52.251 INFO running `"docker" "rm" "-f" "8dbf6c0bac42f58a51eda1f7b9452d342a9a0b9dfb73de53e5fe15d91acabc01"`
Nov 18 13:50:52.496 INFO [stdout] 8dbf6c0bac42f58a51eda1f7b9452d342a9a0b9dfb73de53e5fe15d91acabc01
Nov 18 13:50:52.500 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 13:50:52.743 INFO [stdout] 1cbe460b3a316517d3661cb465e9e268f5bbe1b93fb1a7d0572a5cecf03c3f0c
Nov 18 13:50:52.745 INFO running `"docker" "start" "-a" "1cbe460b3a316517d3661cb465e9e268f5bbe1b93fb1a7d0572a5cecf03c3f0c"`
Nov 18 13:50:53.222 INFO [stderr] usermod: no changes
Nov 18 13:50:53.256 INFO [stderr]    Compiling fstream v0.1.2 (/source)
Nov 18 13:50:53.737 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 13:50:53.737 INFO [stderr]   --> src/lib.rs:21:13
Nov 18 13:50:53.737 INFO [stderr]    |
Nov 18 13:50:53.737 INFO [stderr] 21 |             file.read_to_end(&mut data);
Nov 18 13:50:53.737 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 13:50:53.737 INFO [stderr]    |
Nov 18 13:50:53.738 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 18 13:50:53.738 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 13:50:53.738 INFO [stderr] 
Nov 18 13:50:53.738 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 13:50:53.738 INFO [stderr]   --> src/lib.rs:41:13
Nov 18 13:50:53.738 INFO [stderr]    |
Nov 18 13:50:53.738 INFO [stderr] 41 |             file.read_to_string(&mut content);
Nov 18 13:50:53.738 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 13:50:53.738 INFO [stderr]    |
Nov 18 13:50:53.738 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 13:50:53.738 INFO [stderr] 
Nov 18 13:50:53.738 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 13:50:53.738 INFO [stderr]   --> src/lib.rs:61:13
Nov 18 13:50:53.738 INFO [stderr]    |
Nov 18 13:50:53.738 INFO [stderr] 61 |             file.read_to_string(&mut content);
Nov 18 13:50:53.738 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 13:50:53.738 INFO [stderr]    |
Nov 18 13:50:53.738 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 13:50:53.738 INFO [stderr] 
Nov 18 13:50:53.738 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 13:50:53.738 INFO [stderr]   --> src/lib.rs:87:13
Nov 18 13:50:53.738 INFO [stderr]    |
Nov 18 13:50:53.738 INFO [stderr] 87 |             file.read_to_string(&mut content);
Nov 18 13:50:53.738 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 13:50:53.738 INFO [stderr]    |
Nov 18 13:50:53.738 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 13:50:53.738 INFO [stderr] 
Nov 18 13:50:53.935 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
Nov 18 13:50:53.942 INFO [stderr] su: No module specific data is present
Nov 18 13:50:54.273 INFO running `"docker" "inspect" "1cbe460b3a316517d3661cb465e9e268f5bbe1b93fb1a7d0572a5cecf03c3f0c"`
Nov 18 13:50:54.353 INFO running `"docker" "rm" "-f" "1cbe460b3a316517d3661cb465e9e268f5bbe1b93fb1a7d0572a5cecf03c3f0c"`
Nov 18 13:50:54.456 INFO [stdout] 1cbe460b3a316517d3661cb465e9e268f5bbe1b93fb1a7d0572a5cecf03c3f0c
Nov 18 13:50:54.460 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 13:50:54.819 INFO [stdout] d98ed26abae34a2357a29ece4da04da9b396938b2b9cf4e11affc2132ff8d8a5
Nov 18 13:50:54.827 INFO running `"docker" "start" "-a" "d98ed26abae34a2357a29ece4da04da9b396938b2b9cf4e11affc2132ff8d8a5"`
Nov 18 13:50:55.504 INFO [stderr] usermod: no changes
Nov 18 13:50:55.529 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Nov 18 13:50:55.529 INFO [stderr]      Running /target/debug/deps/fstream-158f88cd8d0aec5c
Nov 18 13:50:55.536 INFO [stdout] 
Nov 18 13:50:55.536 INFO [stdout] running 0 tests
Nov 18 13:50:55.536 INFO [stdout] 
Nov 18 13:50:55.536 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 13:50:55.536 INFO [stdout] 
Nov 18 13:50:55.543 INFO [stderr]    Doc-tests fstream
Nov 18 13:50:56.220 INFO [stdout] 
Nov 18 13:50:56.220 INFO [stdout] running 0 tests
Nov 18 13:50:56.220 INFO [stdout] 
Nov 18 13:50:56.220 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 13:50:56.220 INFO [stdout] 
Nov 18 13:50:56.227 INFO [stderr] su: No module specific data is present
Nov 18 13:50:56.493 INFO running `"docker" "inspect" "d98ed26abae34a2357a29ece4da04da9b396938b2b9cf4e11affc2132ff8d8a5"`
Nov 18 13:50:56.592 INFO running `"docker" "rm" "-f" "d98ed26abae34a2357a29ece4da04da9b396938b2b9cf4e11affc2132ff8d8a5"`
Nov 18 13:50:56.677 INFO [stdout] d98ed26abae34a2357a29ece4da04da9b396938b2b9cf4e11affc2132ff8d8a5