[INFO] fetching crate fast-float 0.2.0...
[INFO] testing fast-float-0.2.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate fast-float 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate fast-float 0.2.0
[INFO] finished tweaking crates.io crate fast-float 0.2.0
[INFO] tweaked toml for crates.io crate fast-float 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fast-float 0.2.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] [stderr]       Adding fastrand v1.9.0 (available: v2.4.1)
[INFO] [stderr]       Adding hexf-parse v0.1.0 (available: v0.2.1)
[INFO] [stderr]       Adding lexical-core v0.7.6 (available: v1.0.6)
[INFO] [stderr]       Adding num-bigint v0.3.3 (available: v0.4.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9dc08174b15a4bb86dd2d8c422648fff86f215852ad81f0e5de6f316d5b9025c
[INFO] running `Command { std: "docker" "start" "-a" "9dc08174b15a4bb86dd2d8c422648fff86f215852ad81f0e5de6f316d5b9025c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9dc08174b15a4bb86dd2d8c422648fff86f215852ad81f0e5de6f316d5b9025c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dc08174b15a4bb86dd2d8c422648fff86f215852ad81f0e5de6f316d5b9025c", kill_on_drop: false }`
[INFO] [stdout] 9dc08174b15a4bb86dd2d8c422648fff86f215852ad81f0e5de6f316d5b9025c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 782c1af9b84fcaa2d117a1d97a2394dfc16eb62a401d7b113d4214283496ca80
[INFO] running `Command { std: "docker" "start" "-a" "782c1af9b84fcaa2d117a1d97a2394dfc16eb62a401d7b113d4214283496ca80", kill_on_drop: false }`
[INFO] [stderr]    Compiling fast-float v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `skip_chars2` is never used
[INFO] [stdout]    --> src/common.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub trait ByteSlice: AsRef<[u8]> + AsMut<[u8]> {
[INFO] [stdout]     |           --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 151 |     fn skip_chars2(&self, c1: u8, c2: u8) -> &[u8] {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "782c1af9b84fcaa2d117a1d97a2394dfc16eb62a401d7b113d4214283496ca80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "782c1af9b84fcaa2d117a1d97a2394dfc16eb62a401d7b113d4214283496ca80", kill_on_drop: false }`
[INFO] [stdout] 782c1af9b84fcaa2d117a1d97a2394dfc16eb62a401d7b113d4214283496ca80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27ebd95e1f0cd0c79efa9d8925d27a3a401466504e02aac28e09e54943a770ab
[INFO] running `Command { std: "docker" "start" "-a" "27ebd95e1f0cd0c79efa9d8925d27a3a401466504e02aac28e09e54943a770ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling hexf-parse v0.1.0
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stdout] warning: method `skip_chars2` is never used
[INFO] [stdout]    --> src/common.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub trait ByteSlice: AsRef<[u8]> + AsMut<[u8]> {
[INFO] [stdout]     |           --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 151 |     fn skip_chars2(&self, c1: u8, c2: u8) -> &[u8] {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling fast-float v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]  --> tests/test_exhaustive.rs:6:31
[INFO] [stdout]   |
[INFO] [stdout] 6 |         let a: f32 = unsafe { core::mem::transmute(i) };
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]   |
[INFO] [stdout] 6 -         let a: f32 = unsafe { core::mem::transmute(i) };
[INFO] [stdout] 6 +         let a: f32 = unsafe { f32::from_bits(i) };
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> tests/test_random.rs:10:31
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let a: f64 = unsafe { core::mem::transmute(i) };
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 10 -         let a: f64 = unsafe { core::mem::transmute(i) };
[INFO] [stdout] 10 +         let a: f64 = unsafe { f64::from_bits(i) };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `skip_chars2` is never used
[INFO] [stdout]    --> src/common.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub trait ByteSlice: AsRef<[u8]> + AsMut<[u8]> {
[INFO] [stdout]     |           --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 151 |     fn skip_chars2(&self, c1: u8, c2: u8) -> &[u8] {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.31s
[INFO] running `Command { std: "docker" "inspect" "27ebd95e1f0cd0c79efa9d8925d27a3a401466504e02aac28e09e54943a770ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27ebd95e1f0cd0c79efa9d8925d27a3a401466504e02aac28e09e54943a770ab", kill_on_drop: false }`
[INFO] [stdout] 27ebd95e1f0cd0c79efa9d8925d27a3a401466504e02aac28e09e54943a770ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9748085f8d7be1d94fea8531d535de4ba99705b231a6254ba9fe7d8b7c7b8e4e
[INFO] running `Command { std: "docker" "start" "-a" "9748085f8d7be1d94fea8531d535de4ba99705b231a6254ba9fe7d8b7c7b8e4e", kill_on_drop: false }`
[INFO] [stderr] warning: method `skip_chars2` is never used
[INFO] [stderr]    --> src/common.rs:151:8
[INFO] [stderr]     |
[INFO] [stderr] 107 | pub trait ByteSlice: AsRef<[u8]> + AsMut<[u8]> {
[INFO] [stderr]     |           --------- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 151 |     fn skip_chars2(&self, c1: u8, c2: u8) -> &[u8] {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fast-float` (lib) generated 1 warning
[INFO] [stderr] warning: unnecessary transmute
[INFO] [stderr]  --> tests/test_exhaustive.rs:6:31
[INFO] [stderr]   |
[INFO] [stderr] 6 |         let a: f32 = unsafe { core::mem::transmute(i) };
[INFO] [stderr]   |                               ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stderr] help: replace this with
[INFO] [stderr]   |
[INFO] [stderr] 6 -         let a: f32 = unsafe { core::mem::transmute(i) };
[INFO] [stderr] 6 +         let a: f32 = unsafe { f32::from_bits(i) };
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary transmute
[INFO] [stderr]   --> tests/test_random.rs:10:31
[INFO] [stderr]    |
[INFO] [stderr] 10 |         let a: f64 = unsafe { core::mem::transmute(i) };
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stderr] help: replace this with
[INFO] [stderr]    |
[INFO] [stderr] 10 -         let a: f64 = unsafe { core::mem::transmute(i) };
[INFO] [stderr] 10 +         let a: f64 = unsafe { f64::from_bits(i) };
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `fast-float` (test "test_exhaustive") generated 1 warning (run `cargo fix --test "test_exhaustive" -p fast-float` to apply 1 suggestion)
[INFO] [stderr] warning: `fast-float` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `fast-float` (test "test_random") generated 1 warning (run `cargo fix --test "test_random" -p fast-float` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fast_float-73ab052e4eabf15a)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test binary::tests::test_full_multiplication ... ok
[INFO] [stdout] test table::tests::test_pow5_table ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_api.rs (/opt/rustwide/target/debug/deps/test_api-ac7cf0e3fb990eb6)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_api ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_basic.rs (/opt/rustwide/target/debug/deps/test_basic-32ebe4b7e8007cc0)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test_f32_pow10 ... ok
[INFO] [stdout] test test_f64_inf ... ok
[INFO] [stdout] test test_f64_general ... ok
[INFO] [stdout] test test_f32_inf ... ok
[INFO] [stdout] test test_f64_long ... ok
[INFO] [stdout] test test_f64_pow10 ... ok
[INFO] [stdout] test test_f32_basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_exhaustive.rs (/opt/rustwide/target/debug/deps/test_exhaustive-c9522128f02e48e9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_f32_exhaustive_ryu ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_random.rs (/opt/rustwide/target/debug/deps/test_random-a69015ebcf95768b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_f64_random_from_u64 ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fast_float
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9748085f8d7be1d94fea8531d535de4ba99705b231a6254ba9fe7d8b7c7b8e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9748085f8d7be1d94fea8531d535de4ba99705b231a6254ba9fe7d8b7c7b8e4e", kill_on_drop: false }`
[INFO] [stdout] 9748085f8d7be1d94fea8531d535de4ba99705b231a6254ba9fe7d8b7c7b8e4e