Nov 27 22:56:52.942 INFO checking peter-bertok/float_fast_print against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 27 22:56:52.942 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-3/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 27 22:56:53.474 INFO [stdout] e000eb9a4ed97a63b6d4491e6a9efcfbed2220ad6412a43ad0a0ac7e5e46a06b
Nov 27 22:56:53.484 INFO running `"docker" "start" "-a" "e000eb9a4ed97a63b6d4491e6a9efcfbed2220ad6412a43ad0a0ac7e5e46a06b"`
Nov 27 22:56:56.107 INFO [stderr] usermod: no changes
Nov 27 22:56:56.234 INFO [stderr]     Checking float_fast_print v0.1.2 (/source)
Nov 27 22:56:57.652 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 22:56:57.652 INFO [stderr]   --> tests/benchmarks.rs:17:9
Nov 27 22:56:57.652 INFO [stderr]    |
Nov 27 22:56:57.652 INFO [stderr] 17 |         write!(&mut buffer, "{:?}", x);
Nov 27 22:56:57.652 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:56:57.652 INFO [stderr]    |
Nov 27 22:56:57.660 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 27 22:56:57.660 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 22:56:57.660 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 27 22:56:57.660 INFO [stderr] 
Nov 27 22:56:57.660 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 22:56:57.660 INFO [stderr]   --> tests/benchmarks.rs:28:9
Nov 27 22:56:57.660 INFO [stderr]    |
Nov 27 22:56:57.660 INFO [stderr] 28 |         write!(&mut buffer, "{}", x);
Nov 27 22:56:57.660 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:56:57.660 INFO [stderr]    |
Nov 27 22:56:57.660 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 22:56:57.660 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 27 22:56:57.660 INFO [stderr] 
Nov 27 22:56:57.660 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 22:56:57.660 INFO [stderr]   --> tests/benchmarks.rs:39:9
Nov 27 22:56:57.660 INFO [stderr]    |
Nov 27 22:56:57.660 INFO [stderr] 39 |         write!(&mut buffer, "{:?}", x);
Nov 27 22:56:57.660 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:56:57.660 INFO [stderr]    |
Nov 27 22:56:57.660 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 22:56:57.660 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 27 22:56:57.660 INFO [stderr] 
Nov 27 22:56:57.660 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 22:56:57.661 INFO [stderr]   --> tests/benchmarks.rs:50:9
Nov 27 22:56:57.661 INFO [stderr]    |
Nov 27 22:56:57.661 INFO [stderr] 50 |         write!(&mut buffer, "{}", x);
Nov 27 22:56:57.661 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:56:57.661 INFO [stderr]    |
Nov 27 22:56:57.661 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 22:56:57.661 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 27 22:56:57.661 INFO [stderr] 
Nov 27 22:56:57.744 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
Nov 27 22:56:57.744 INFO [stderr] su: No module specific data is present
Nov 27 22:56:58.889 INFO running `"docker" "inspect" "e000eb9a4ed97a63b6d4491e6a9efcfbed2220ad6412a43ad0a0ac7e5e46a06b"`
Nov 27 22:56:59.212 INFO running `"docker" "rm" "-f" "e000eb9a4ed97a63b6d4491e6a9efcfbed2220ad6412a43ad0a0ac7e5e46a06b"`
Nov 27 22:56:59.589 INFO [stdout] e000eb9a4ed97a63b6d4491e6a9efcfbed2220ad6412a43ad0a0ac7e5e46a06b