[INFO] fetching crate dtoa 1.0.10...
[INFO] testing dtoa-1.0.10 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate dtoa 1.0.10 into /workspace/builds/worker-3-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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dtoa 1.0.10 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded no-panic v0.1.33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 412d89dff785476b39f03cdc00ccf8045bb3de164bc32e152bbdd6d481248afb
[INFO] running `Command { std: "docker" "start" "-a" "412d89dff785476b39f03cdc00ccf8045bb3de164bc32e152bbdd6d481248afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "412d89dff785476b39f03cdc00ccf8045bb3de164bc32e152bbdd6d481248afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "412d89dff785476b39f03cdc00ccf8045bb3de164bc32e152bbdd6d481248afb", kill_on_drop: false }`
[INFO] [stdout] 412d89dff785476b39f03cdc00ccf8045bb3de164bc32e152bbdd6d481248afb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff40526bc83479442c9f5ea0a1611afb24eaf0cc7188a4bcf518aa1deb0aa8c9
[INFO] running `Command { std: "docker" "start" "-a" "ff40526bc83479442c9f5ea0a1611afb24eaf0cc7188a4bcf518aa1deb0aa8c9", 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" "ff40526bc83479442c9f5ea0a1611afb24eaf0cc7188a4bcf518aa1deb0aa8c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff40526bc83479442c9f5ea0a1611afb24eaf0cc7188a4bcf518aa1deb0aa8c9", kill_on_drop: false }`
[INFO] [stdout] ff40526bc83479442c9f5ea0a1611afb24eaf0cc7188a4bcf518aa1deb0aa8c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6b4ab8ef63f0709c0547309e6c7e248fff1f2474f68e6ab648169afc9b0a288
[INFO] running `Command { std: "docker" "start" "-a" "f6b4ab8ef63f0709c0547309e6c7e248fff1f2474f68e6ab648169afc9b0a288", 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] [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]    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 `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "f6b4ab8ef63f0709c0547309e6c7e248fff1f2474f68e6ab648169afc9b0a288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6b4ab8ef63f0709c0547309e6c7e248fff1f2474f68e6ab648169afc9b0a288", kill_on_drop: false }`
[INFO] [stdout] f6b4ab8ef63f0709c0547309e6c7e248fff1f2474f68e6ab648169afc9b0a288
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a36c32831369a51b9ce5654e5205cab6681c8169ec1af9df8f6c2a442fa2a86f
[INFO] running `Command { std: "docker" "start" "-a" "a36c32831369a51b9ce5654e5205cab6681c8169ec1af9df8f6c2a442fa2a86f", 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 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dtoa-3ef06181ede4e984)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[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] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-466c927c0ab2e75e)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_f32 ... ok
[INFO] [stdout] test test_f64 ... ok
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dtoa
[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 - Buffer (line 77) ... ok
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a36c32831369a51b9ce5654e5205cab6681c8169ec1af9df8f6c2a442fa2a86f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a36c32831369a51b9ce5654e5205cab6681c8169ec1af9df8f6c2a442fa2a86f", kill_on_drop: false }`
[INFO] [stdout] a36c32831369a51b9ce5654e5205cab6681c8169ec1af9df8f6c2a442fa2a86f