Nov 29 01:31:04.932 INFO checking float_fast_print-0.1.2 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 29 01:31:04.933 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 01:31:05.260 INFO [stdout] 40cbc66f2f98faf0674e1fbfa6196899ab48117bd9e8807ae135f5ead817cf5b
Nov 29 01:31:05.260 INFO running `"docker" "start" "-a" "40cbc66f2f98faf0674e1fbfa6196899ab48117bd9e8807ae135f5ead817cf5b"`
Nov 29 01:31:06.222 INFO [stderr] usermod: no changes
Nov 29 01:31:06.352 INFO [stderr]     Checking float_fast_print v0.1.2 (/source)
Nov 29 01:31:08.054 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 01:31:08.054 INFO [stderr]   --> tests/benchmarks.rs:17:9
Nov 29 01:31:08.054 INFO [stderr]    |
Nov 29 01:31:08.054 INFO [stderr] 17 |         write!(&mut buffer, "{:?}", x);
Nov 29 01:31:08.054 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 01:31:08.054 INFO [stderr]    |
Nov 29 01:31:08.054 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 01:31:08.054 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 01:31:08.054 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 29 01:31:08.054 INFO [stderr] 
Nov 29 01:31:08.054 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 01:31:08.054 INFO [stderr]   --> tests/benchmarks.rs:28:9
Nov 29 01:31:08.055 INFO [stderr]    |
Nov 29 01:31:08.055 INFO [stderr] 28 |         write!(&mut buffer, "{}", x);
Nov 29 01:31:08.055 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 01:31:08.055 INFO [stderr]    |
Nov 29 01:31:08.055 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 01:31:08.055 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 29 01:31:08.055 INFO [stderr] 
Nov 29 01:31:08.060 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 01:31:08.060 INFO [stderr]   --> tests/benchmarks.rs:39:9
Nov 29 01:31:08.060 INFO [stderr]    |
Nov 29 01:31:08.060 INFO [stderr] 39 |         write!(&mut buffer, "{:?}", x);
Nov 29 01:31:08.060 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 01:31:08.060 INFO [stderr]    |
Nov 29 01:31:08.060 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 01:31:08.060 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 29 01:31:08.060 INFO [stderr] 
Nov 29 01:31:08.076 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 01:31:08.076 INFO [stderr]   --> tests/benchmarks.rs:50:9
Nov 29 01:31:08.076 INFO [stderr]    |
Nov 29 01:31:08.076 INFO [stderr] 50 |         write!(&mut buffer, "{}", x);
Nov 29 01:31:08.076 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 01:31:08.076 INFO [stderr]    |
Nov 29 01:31:08.076 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 01:31:08.076 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 29 01:31:08.076 INFO [stderr] 
Nov 29 01:31:08.408 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.15s
Nov 29 01:31:08.420 INFO [stderr] su: No module specific data is present
Nov 29 01:31:08.843 INFO running `"docker" "inspect" "40cbc66f2f98faf0674e1fbfa6196899ab48117bd9e8807ae135f5ead817cf5b"`
Nov 29 01:31:09.126 INFO running `"docker" "rm" "-f" "40cbc66f2f98faf0674e1fbfa6196899ab48117bd9e8807ae135f5ead817cf5b"`
Nov 29 01:31:09.329 INFO [stdout] 40cbc66f2f98faf0674e1fbfa6196899ab48117bd9e8807ae135f5ead817cf5b