Nov 29 01:22:16.606 INFO checking fstream-0.1.2 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 29 01:22:16.608 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 01:22:16.998 INFO [stdout] eb65d904de7b201028f1551074ad511f0d573e85248feefa01c2ad9e0313c3df
Nov 29 01:22:17.000 INFO running `"docker" "start" "-a" "eb65d904de7b201028f1551074ad511f0d573e85248feefa01c2ad9e0313c3df"`
Nov 29 01:22:18.219 INFO [stderr] usermod: no changes
Nov 29 01:22:18.288 INFO [stderr]     Checking fstream v0.1.2 (/source)
Nov 29 01:22:19.084 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 01:22:19.084 INFO [stderr]   --> src/lib.rs:21:13
Nov 29 01:22:19.084 INFO [stderr]    |
Nov 29 01:22:19.084 INFO [stderr] 21 |             file.read_to_end(&mut data);
Nov 29 01:22:19.084 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 01:22:19.084 INFO [stderr]    |
Nov 29 01:22:19.084 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 01:22:19.084 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 01:22:19.084 INFO [stderr] 
Nov 29 01:22:19.084 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 01:22:19.084 INFO [stderr]   --> src/lib.rs:41:13
Nov 29 01:22:19.084 INFO [stderr]    |
Nov 29 01:22:19.084 INFO [stderr] 41 |             file.read_to_string(&mut content);
Nov 29 01:22:19.084 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 01:22:19.084 INFO [stderr]    |
Nov 29 01:22:19.084 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 01:22:19.084 INFO [stderr] 
Nov 29 01:22:19.084 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 01:22:19.084 INFO [stderr]   --> src/lib.rs:61:13
Nov 29 01:22:19.084 INFO [stderr]    |
Nov 29 01:22:19.084 INFO [stderr] 61 |             file.read_to_string(&mut content);
Nov 29 01:22:19.084 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 01:22:19.084 INFO [stderr]    |
Nov 29 01:22:19.084 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 01:22:19.084 INFO [stderr] 
Nov 29 01:22:19.084 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 01:22:19.084 INFO [stderr]   --> src/lib.rs:87:13
Nov 29 01:22:19.084 INFO [stderr]    |
Nov 29 01:22:19.084 INFO [stderr] 87 |             file.read_to_string(&mut content);
Nov 29 01:22:19.084 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 01:22:19.084 INFO [stderr]    |
Nov 29 01:22:19.085 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 01:22:19.085 INFO [stderr] 
Nov 29 01:22:19.403 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 01:22:19.403 INFO [stderr]   --> src/lib.rs:21:13
Nov 29 01:22:19.403 INFO [stderr]    |
Nov 29 01:22:19.404 INFO [stderr] 21 |             file.read_to_end(&mut data);
Nov 29 01:22:19.404 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 01:22:19.404 INFO [stderr]    |
Nov 29 01:22:19.405 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 01:22:19.405 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 01:22:19.405 INFO [stderr] 
Nov 29 01:22:19.405 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 01:22:19.406 INFO [stderr]   --> src/lib.rs:41:13
Nov 29 01:22:19.406 INFO [stderr]    |
Nov 29 01:22:19.406 INFO [stderr] 41 |             file.read_to_string(&mut content);
Nov 29 01:22:19.406 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 01:22:19.407 INFO [stderr]    |
Nov 29 01:22:19.407 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 01:22:19.407 INFO [stderr] 
Nov 29 01:22:19.407 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 01:22:19.408 INFO [stderr]   --> src/lib.rs:61:13
Nov 29 01:22:19.408 INFO [stderr]    |
Nov 29 01:22:19.408 INFO [stderr] 61 |             file.read_to_string(&mut content);
Nov 29 01:22:19.408 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 01:22:19.409 INFO [stderr]    |
Nov 29 01:22:19.409 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 01:22:19.409 INFO [stderr] 
Nov 29 01:22:19.409 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 01:22:19.410 INFO [stderr]   --> src/lib.rs:87:13
Nov 29 01:22:19.410 INFO [stderr]    |
Nov 29 01:22:19.410 INFO [stderr] 87 |             file.read_to_string(&mut content);
Nov 29 01:22:19.410 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 01:22:19.411 INFO [stderr]    |
Nov 29 01:22:19.411 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 01:22:19.411 INFO [stderr] 
Nov 29 01:22:19.411 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
Nov 29 01:22:19.412 INFO [stderr] su: No module specific data is present
Nov 29 01:22:19.992 INFO running `"docker" "inspect" "eb65d904de7b201028f1551074ad511f0d573e85248feefa01c2ad9e0313c3df"`
Nov 29 01:22:20.180 INFO running `"docker" "rm" "-f" "eb65d904de7b201028f1551074ad511f0d573e85248feefa01c2ad9e0313c3df"`
Nov 29 01:22:20.432 INFO [stdout] eb65d904de7b201028f1551074ad511f0d573e85248feefa01c2ad9e0313c3df