[INFO] cloning repository peter-bertok/float_fast_print [INFO] running `"git" "clone" "--bare" "git://github.com/peter-bertok/float_fast_print.git" "work/cache/sources/gh/peter-bertok/float_fast_print"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/peter-bertok/float_fast_print'... [INFO] running `"git" "clone" "work/cache/sources/gh/peter-bertok/float_fast_print" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/peter-bertok/float_fast_print"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/peter-bertok/float_fast_print'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/peter-bertok/float_fast_print" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/peter-bertok/float_fast_print"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/peter-bertok/float_fast_print'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 6bb467250096f008c354de08c69f3325d9d03e0a [INFO] sha for GitHub repo peter-bertok/float_fast_print: 6bb467250096f008c354de08c69f3325d9d03e0a [INFO] validating manifest of peter-bertok/float_fast_print on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of peter-bertok/float_fast_print on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing peter-bertok/float_fast_print [INFO] finished frobbing peter-bertok/float_fast_print [INFO] frobbed toml for peter-bertok/float_fast_print written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/peter-bertok/float_fast_print/Cargo.toml [INFO] started frobbing peter-bertok/float_fast_print [INFO] finished frobbing peter-bertok/float_fast_print [INFO] frobbed toml for peter-bertok/float_fast_print written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/peter-bertok/float_fast_print/Cargo.toml [INFO] crate peter-bertok/float_fast_print already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing peter-bertok/float_fast_print against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/peter-bertok/float_fast_print:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"` [INFO] [stdout] 685e178063e74a597beb72b02e604abb4b78f48e748ce1b884b4f9ba198bc2ea [INFO] running `"docker" "start" "-a" "685e178063e74a597beb72b02e604abb4b78f48e748ce1b884b4f9ba198bc2ea"` [INFO] [stderr] Compiling float_fast_print v0.1.2 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.80s [INFO] running `"docker" "inspect" "685e178063e74a597beb72b02e604abb4b78f48e748ce1b884b4f9ba198bc2ea"` [INFO] running `"docker" "rm" "-f" "685e178063e74a597beb72b02e604abb4b78f48e748ce1b884b4f9ba198bc2ea"` [INFO] [stdout] 685e178063e74a597beb72b02e604abb4b78f48e748ce1b884b4f9ba198bc2ea [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/peter-bertok/float_fast_print:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 81f160fb07ddb3c57f2769505deefb8b1a51a95cb881d6d13721cd82b13647f5 [INFO] running `"docker" "start" "-a" "81f160fb07ddb3c57f2769505deefb8b1a51a95cb881d6d13721cd82b13647f5"` [INFO] [stderr] Compiling float_fast_print v0.1.2 (/opt/crater/workdir) [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> tests/benchmarks.rs:17:9 [INFO] [stderr] | [INFO] [stderr] 17 | write!(&mut buffer, "{:?}", x); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> tests/benchmarks.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | write!(&mut buffer, "{}", x); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> tests/benchmarks.rs:39:9 [INFO] [stderr] | [INFO] [stderr] 39 | write!(&mut buffer, "{:?}", x); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> tests/benchmarks.rs:50:9 [INFO] [stderr] | [INFO] [stderr] 50 | write!(&mut buffer, "{}", x); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.14s [INFO] running `"docker" "inspect" "81f160fb07ddb3c57f2769505deefb8b1a51a95cb881d6d13721cd82b13647f5"` [INFO] running `"docker" "rm" "-f" "81f160fb07ddb3c57f2769505deefb8b1a51a95cb881d6d13721cd82b13647f5"` [INFO] [stdout] 81f160fb07ddb3c57f2769505deefb8b1a51a95cb881d6d13721cd82b13647f5 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/peter-bertok/float_fast_print:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"` [INFO] [stdout] 08494dbb0949ab6442817016e3ed04f76828c27966757a7c673b867e9e5cc98b [INFO] running `"docker" "start" "-a" "08494dbb0949ab6442817016e3ed04f76828c27966757a7c673b867e9e5cc98b"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/float_fast_print-e6fb36b512bc712b [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::f32_special_cases_roundtrip ... ok [INFO] [stdout] test tests::f64_special_cases ... ok [INFO] [stdout] test tests::f64_special_cases_roundtrip ... ok [INFO] [stderr] Running /opt/crater/target/debug/deps/benchmarks-2e5422e9d4620edc [INFO] [stdout] test tests::f32_special_cases ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test bench_f32_debug ... ok [INFO] [stdout] test bench_f32_format ... ok [INFO] [stdout] test bench_f64_debug ... ok [INFO] [stdout] test bench_f64_format ... ok [INFO] [stdout] test bench_write_f32_shortest ... ok [INFO] [stdout] test bench_write_f64_shortest ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/exhaustive-3cfdbe1764bd1957 [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test f32_test_exhaustive_roundtrip ... ignored [INFO] [stdout] test f64_test_many_roundtrip ... ignored [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests float_fast_print [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - write_f32_shortest (line 195) ... ok [INFO] [stdout] test src/lib.rs - write_f64_shortest (line 428) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "08494dbb0949ab6442817016e3ed04f76828c27966757a7c673b867e9e5cc98b"` [INFO] running `"docker" "rm" "-f" "08494dbb0949ab6442817016e3ed04f76828c27966757a7c673b867e9e5cc98b"` [INFO] [stdout] 08494dbb0949ab6442817016e3ed04f76828c27966757a7c673b867e9e5cc98b