[INFO] fetching crate float_fast_print 0.1.2...
[INFO] testing float_fast_print-0.1.2 against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] extracting crate float_fast_print 0.1.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate float_fast_print 0.1.2
[INFO] finished tweaking crates.io crate float_fast_print 0.1.2
[INFO] tweaked toml for crates.io crate float_fast_print 0.1.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate float_fast_print 0.1.2 on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.5.6 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e6308ac8f49393cd1237b0b12ef3d791bf80fc4bc098c737f73b26b4b8ea665
[INFO] running `Command { std: "docker" "start" "-a" "9e6308ac8f49393cd1237b0b12ef3d791bf80fc4bc098c737f73b26b4b8ea665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e6308ac8f49393cd1237b0b12ef3d791bf80fc4bc098c737f73b26b4b8ea665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e6308ac8f49393cd1237b0b12ef3d791bf80fc4bc098c737f73b26b4b8ea665", kill_on_drop: false }`
[INFO] [stdout] 9e6308ac8f49393cd1237b0b12ef3d791bf80fc4bc098c737f73b26b4b8ea665
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94f48f77879566f5eeca690e4b861a3714a74de2cad8386b8efae5ed0de8de21
[INFO] running `Command { std: "docker" "start" "-a" "94f48f77879566f5eeca690e4b861a3714a74de2cad8386b8efae5ed0de8de21", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling float_fast_print v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> src/lib.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "cargo-clippy", allow(unreadable_literal))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `vp` is never read
[INFO] [stdout]    --> src/lib.rs:342:17
[INFO] [stdout]     |
[INFO] [stdout] 342 |                 vp /= 10;
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `vp` is never read
[INFO] [stdout]    --> src/lib.rs:577:17
[INFO] [stdout]     |
[INFO] [stdout] 577 |                 vp /= 10;
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "94f48f77879566f5eeca690e4b861a3714a74de2cad8386b8efae5ed0de8de21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94f48f77879566f5eeca690e4b861a3714a74de2cad8386b8efae5ed0de8de21", kill_on_drop: false }`
[INFO] [stdout] 94f48f77879566f5eeca690e4b861a3714a74de2cad8386b8efae5ed0de8de21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bdbcc0cb8eae620bd20271b92c452e0ab48431a078cf1acfbfeb2099f336fe1
[INFO] running `Command { std: "docker" "start" "-a" "5bdbcc0cb8eae620bd20271b92c452e0ab48431a078cf1acfbfeb2099f336fe1", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> src/lib.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "cargo-clippy", allow(unreadable_literal))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `vp` is never read
[INFO] [stdout]    --> src/lib.rs:342:17
[INFO] [stdout]     |
[INFO] [stdout] 342 |                 vp /= 10;
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `vp` is never read
[INFO] [stdout]    --> src/lib.rs:577:17
[INFO] [stdout]     |
[INFO] [stdout] 577 |                 vp /= 10;
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling float_fast_print v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/benchmarks.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         write!(&mut buffer, "{:?}", x);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let _ = write!(&mut buffer, "{:?}", x);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/benchmarks.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         write!(&mut buffer, "{}", x);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let _ = write!(&mut buffer, "{}", x);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/benchmarks.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         write!(&mut buffer, "{:?}", x);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let _ = write!(&mut buffer, "{:?}", x);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/benchmarks.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         write!(&mut buffer, "{}", x);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let _ = write!(&mut buffer, "{}", x);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> src/lib.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "cargo-clippy", allow(unreadable_literal))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `vp` is never read
[INFO] [stdout]    --> src/lib.rs:342:17
[INFO] [stdout]     |
[INFO] [stdout] 342 |                 vp /= 10;
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `vp` is never read
[INFO] [stdout]    --> src/lib.rs:577:17
[INFO] [stdout]     |
[INFO] [stdout] 577 |                 vp /= 10;
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "5bdbcc0cb8eae620bd20271b92c452e0ab48431a078cf1acfbfeb2099f336fe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bdbcc0cb8eae620bd20271b92c452e0ab48431a078cf1acfbfeb2099f336fe1", kill_on_drop: false }`
[INFO] [stdout] 5bdbcc0cb8eae620bd20271b92c452e0ab48431a078cf1acfbfeb2099f336fe1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8100a1afc54811f8a21762b0b3095b70c6212daa1dcabe74bcce13fc5ccbbf41
[INFO] running `Command { std: "docker" "start" "-a" "8100a1afc54811f8a21762b0b3095b70c6212daa1dcabe74bcce13fc5ccbbf41", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stderr]  --> src/lib.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![cfg_attr(feature = "cargo-clippy", allow(unreadable_literal))]
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]   |
[INFO] [stderr]   = note: no expected values for `feature`
[INFO] [stderr]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stderr]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `vp` is never read
[INFO] [stderr]    --> src/lib.rs:342:17
[INFO] [stderr]     |
[INFO] [stderr] 342 |                 vp /= 10;
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `vp` is never read
[INFO] [stderr]    --> src/lib.rs:577:17
[INFO] [stderr]     |
[INFO] [stderr] 577 |                 vp /= 10;
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `float_fast_print` (lib) generated 3 warnings
[INFO] [stderr] warning: unused `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: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let _ = write!(&mut buffer, "{:?}", x);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let _ = write!(&mut buffer, "{}", x);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let _ = write!(&mut buffer, "{:?}", x);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let _ = write!(&mut buffer, "{}", x);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `float_fast_print` (test "benchmarks") generated 4 warnings
[INFO] [stderr] warning: `float_fast_print` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/float_fast_print-1a8825501259c98e)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::f32_special_cases ... ok
[INFO] [stdout] test tests::f64_special_cases ... ok
[INFO] [stdout] test tests::f64_special_cases_roundtrip ... ok
[INFO] [stdout] test tests::f32_special_cases_roundtrip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/benchmarks.rs (/opt/rustwide/target/debug/deps/benchmarks-63169ea91da67f76)
[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_format ... ok
[INFO] [stdout] test bench_write_f32_shortest ... ok
[INFO] [stdout] test bench_write_f64_shortest ... ok
[INFO] [stdout] test bench_f64_debug ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/exhaustive.rs (/opt/rustwide/target/debug/deps/exhaustive-b747171b8a1b22e8)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test f32_test_exhaustive_roundtrip has been running for over 60 seconds
[INFO] [stdout] test f64_test_many_roundtrip has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "8100a1afc54811f8a21762b0b3095b70c6212daa1dcabe74bcce13fc5ccbbf41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8100a1afc54811f8a21762b0b3095b70c6212daa1dcabe74bcce13fc5ccbbf41", kill_on_drop: false }`
[INFO] [stdout] 8100a1afc54811f8a21762b0b3095b70c6212daa1dcabe74bcce13fc5ccbbf41
