[INFO] fetching crate dtoa 1.0.10...
[INFO] testing dtoa-1.0.10 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate dtoa 1.0.10 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate dtoa 1.0.10
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate dtoa 1.0.10
[INFO] tweaked toml for crates.io crate dtoa 1.0.10 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dtoa 1.0.10 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dtoa 1.0.10 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ident v1.0.17
[INFO] [stderr]   Downloaded no-panic v0.1.33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6819b6a4ec4bd7c6452e31037dd4b05fb2ab2ad2665de2c9853578877389fa23
[INFO] running `Command { std: "docker" "start" "-a" "6819b6a4ec4bd7c6452e31037dd4b05fb2ab2ad2665de2c9853578877389fa23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6819b6a4ec4bd7c6452e31037dd4b05fb2ab2ad2665de2c9853578877389fa23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6819b6a4ec4bd7c6452e31037dd4b05fb2ab2ad2665de2c9853578877389fa23", kill_on_drop: false }`
[INFO] [stdout] 6819b6a4ec4bd7c6452e31037dd4b05fb2ab2ad2665de2c9853578877389fa23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9b29e1c456e5d5cf83a3bd0bb621176feb4a8444a40d273b3f606d6d25b58b4
[INFO] running `Command { std: "docker" "start" "-a" "d9b29e1c456e5d5cf83a3bd0bb621176feb4a8444a40d273b3f606d6d25b58b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling dtoa v1.0.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/diyfp.rs:141:37
[INFO] [stdout]     |
[INFO] [stdout] 141 |                   let u: $mask_type = mem::transmute(d);
[INFO] [stdout]     |                                       --------------^^^
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       help: replace this with: `f32::to_bits`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 | /         dtoa! {
[INFO] [stdout] 198 | |             floating_type: f32,
[INFO] [stdout] 199 | |             significand_type: u32,
[INFO] [stdout] 200 | |             exponent_type: i32,
[INFO] [stdout] ...   |
[INFO] [stdout] 211 | |             min_power: (-36),
[INFO] [stdout] 212 | |         };
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `diyfp` which comes from the expansion of the macro `dtoa` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/diyfp.rs:141:37
[INFO] [stdout]     |
[INFO] [stdout] 141 |                   let u: $mask_type = mem::transmute(d);
[INFO] [stdout]     |                                       --------------^^^
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       help: replace this with: `f64::to_bits`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 | /         dtoa! {
[INFO] [stdout] 244 | |             floating_type: f64,
[INFO] [stdout] 245 | |             significand_type: u64,
[INFO] [stdout] 246 | |             exponent_type: isize,
[INFO] [stdout] ...   |
[INFO] [stdout] 257 | |             min_power: (-348),
[INFO] [stdout] 258 | |         };
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `diyfp` which comes from the expansion of the macro `dtoa` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "d9b29e1c456e5d5cf83a3bd0bb621176feb4a8444a40d273b3f606d6d25b58b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9b29e1c456e5d5cf83a3bd0bb621176feb4a8444a40d273b3f606d6d25b58b4", kill_on_drop: false }`
[INFO] [stdout] d9b29e1c456e5d5cf83a3bd0bb621176feb4a8444a40d273b3f606d6d25b58b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f6d2372cbb3d6fc818f44a48094bddddef6f07084da7ac3e4f02449733266e9
[INFO] running `Command { std: "docker" "start" "-a" "9f6d2372cbb3d6fc818f44a48094bddddef6f07084da7ac3e4f02449733266e9", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/diyfp.rs:141:37
[INFO] [stdout]     |
[INFO] [stdout] 141 |                   let u: $mask_type = mem::transmute(d);
[INFO] [stdout]     |                                       --------------^^^
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       help: replace this with: `f32::to_bits`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 | /         dtoa! {
[INFO] [stdout] 198 | |             floating_type: f32,
[INFO] [stdout] 199 | |             significand_type: u32,
[INFO] [stdout] 200 | |             exponent_type: i32,
[INFO] [stdout] ...   |
[INFO] [stdout] 211 | |             min_power: (-36),
[INFO] [stdout] 212 | |         };
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `diyfp` which comes from the expansion of the macro `dtoa` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling dtoa v1.0.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/diyfp.rs:141:37
[INFO] [stdout]     |
[INFO] [stdout] 141 |                   let u: $mask_type = mem::transmute(d);
[INFO] [stdout]     |                                       --------------^^^
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       help: replace this with: `f64::to_bits`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 | /         dtoa! {
[INFO] [stdout] 244 | |             floating_type: f64,
[INFO] [stdout] 245 | |             significand_type: u64,
[INFO] [stdout] 246 | |             exponent_type: isize,
[INFO] [stdout] ...   |
[INFO] [stdout] 257 | |             min_power: (-348),
[INFO] [stdout] 258 | |         };
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `diyfp` which comes from the expansion of the macro `dtoa` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/diyfp.rs:141:37
[INFO] [stdout]     |
[INFO] [stdout] 141 |                   let u: $mask_type = mem::transmute(d);
[INFO] [stdout]     |                                       --------------^^^
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       help: replace this with: `f32::to_bits`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 | /         dtoa! {
[INFO] [stdout] 198 | |             floating_type: f32,
[INFO] [stdout] 199 | |             significand_type: u32,
[INFO] [stdout] 200 | |             exponent_type: i32,
[INFO] [stdout] ...   |
[INFO] [stdout] 211 | |             min_power: (-36),
[INFO] [stdout] 212 | |         };
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `diyfp` which comes from the expansion of the macro `dtoa` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/diyfp.rs:141:37
[INFO] [stdout]     |
[INFO] [stdout] 141 |                   let u: $mask_type = mem::transmute(d);
[INFO] [stdout]     |                                       --------------^^^
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       help: replace this with: `f64::to_bits`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 | /         dtoa! {
[INFO] [stdout] 244 | |             floating_type: f64,
[INFO] [stdout] 245 | |             significand_type: u64,
[INFO] [stdout] 246 | |             exponent_type: isize,
[INFO] [stdout] ...   |
[INFO] [stdout] 257 | |             min_power: (-348),
[INFO] [stdout] 258 | |         };
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `diyfp` which comes from the expansion of the macro `dtoa` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "9f6d2372cbb3d6fc818f44a48094bddddef6f07084da7ac3e4f02449733266e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f6d2372cbb3d6fc818f44a48094bddddef6f07084da7ac3e4f02449733266e9", kill_on_drop: false }`
[INFO] [stdout] 9f6d2372cbb3d6fc818f44a48094bddddef6f07084da7ac3e4f02449733266e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 695bd54e8971c5e3da0e5248b9e835c1370148f9906033751688e095177e3a88
[INFO] running `Command { std: "docker" "start" "-a" "695bd54e8971c5e3da0e5248b9e835c1370148f9906033751688e095177e3a88", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary transmute
[INFO] [stderr]    --> src/diyfp.rs:141:37
[INFO] [stderr]     |
[INFO] [stderr] 141 |                   let u: $mask_type = mem::transmute(d);
[INFO] [stderr]     |                                       --------------^^^
[INFO] [stderr]     |                                       |
[INFO] [stderr]     |                                       help: replace this with: `f32::to_bits`
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/lib.rs:197:9
[INFO] [stderr]     |
[INFO] [stderr] 197 | /         dtoa! {
[INFO] [stderr] 198 | |             floating_type: f32,
[INFO] [stderr] 199 | |             significand_type: u32,
[INFO] [stderr] 200 | |             exponent_type: i32,
[INFO] [stderr] ...   |
[INFO] [stderr] 211 | |             min_power: (-36),
[INFO] [stderr] 212 | |         };
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `diyfp` which comes from the expansion of the macro `dtoa` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary transmute
[INFO] [stderr]    --> src/diyfp.rs:141:37
[INFO] [stderr]     |
[INFO] [stderr] 141 |                   let u: $mask_type = mem::transmute(d);
[INFO] [stderr]     |                                       --------------^^^
[INFO] [stderr]     |                                       |
[INFO] [stderr]     |                                       help: replace this with: `f64::to_bits`
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/lib.rs:243:9
[INFO] [stderr]     |
[INFO] [stderr] 243 | /         dtoa! {
[INFO] [stderr] 244 | |             floating_type: f64,
[INFO] [stderr] 245 | |             significand_type: u64,
[INFO] [stderr] 246 | |             exponent_type: isize,
[INFO] [stderr] ...   |
[INFO] [stderr] 257 | |             min_power: (-348),
[INFO] [stderr] 258 | |         };
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `diyfp` which comes from the expansion of the macro `dtoa` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `dtoa` (lib) generated 2 warnings (run `cargo fix --lib -p dtoa` to apply 2 suggestions)
[INFO] [stderr] warning: `dtoa` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dtoa-3ef06181ede4e984)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-466c927c0ab2e75e)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_f32 ... ok
[INFO] [stderr]    Doc-tests dtoa
[INFO] [stdout] test test_f64 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] test src/lib.rs - Buffer (line 77) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "695bd54e8971c5e3da0e5248b9e835c1370148f9906033751688e095177e3a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "695bd54e8971c5e3da0e5248b9e835c1370148f9906033751688e095177e3a88", kill_on_drop: false }`
[INFO] [stdout] 695bd54e8971c5e3da0e5248b9e835c1370148f9906033751688e095177e3a88
