[INFO] fetching crate libm 0.2.16...
[INFO] testing libm-0.2.16 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate libm 0.2.16 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate libm 0.2.16
[INFO] finished tweaking crates.io crate libm 0.2.16
[INFO] tweaked toml for crates.io crate libm 0.2.16 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libm 0.2.16 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libm 0.2.16 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded no-panic v0.1.36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fcd18efb7ad95f00d10fc8c6d22c77eadba370a339ebaf1bc2db44c8b08d29a
[INFO] running `Command { std: "docker" "start" "-a" "0fcd18efb7ad95f00d10fc8c6d22c77eadba370a339ebaf1bc2db44c8b08d29a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fcd18efb7ad95f00d10fc8c6d22c77eadba370a339ebaf1bc2db44c8b08d29a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fcd18efb7ad95f00d10fc8c6d22c77eadba370a339ebaf1bc2db44c8b08d29a", kill_on_drop: false }`
[INFO] [stdout] 0fcd18efb7ad95f00d10fc8c6d22c77eadba370a339ebaf1bc2db44c8b08d29a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2093725cd3a8c566aefeb29f30e12d6f7387047ce317c7da57e88c2045679556
[INFO] running `Command { std: "docker" "start" "-a" "2093725cd3a8c566aefeb29f30e12d6f7387047ce317c7da57e88c2045679556", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: an associated constant with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/math/support/float_traits.rs:248:48
[INFO] [stdout]     |
[INFO] [stdout] 248 |               const SIGN_MASK: Self::Int = 1 << (Self::BITS - 1);
[INFO] [stdout]     |                                                  ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 324 | / float_impl!(
[INFO] [stdout] 325 | |     f32,
[INFO] [stdout] 326 | |     u32,
[INFO] [stdout] 327 | |     i32,
[INFO] [stdout] ...   |
[INFO] [stdout] 333 | |     fmaf32
[INFO] [stdout] 334 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `float_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use the fully qualified path to the associated const
[INFO] [stdout]     |
[INFO] [stdout] 248 -             const SIGN_MASK: Self::Int = 1 << (Self::BITS - 1);
[INFO] [stdout] 248 +             const SIGN_MASK: Self::Int = 1 << (<f32 as float_traits::Float>::BITS - 1);
[INFO] [stdout]     |
[INFO] [stdout] help: add `#![feature(float_bits_const)]` to the crate attributes to enable `core::f32::<impl f32>::BITS`
[INFO] [stdout]    --> src/lib.rs:26:1
[INFO] [stdout]     |
[INFO] [stdout]  26 + #![feature(float_bits_const)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated constant with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/math/support/float_traits.rs:248:48
[INFO] [stdout]     |
[INFO] [stdout] 248 |               const SIGN_MASK: Self::Int = 1 << (Self::BITS - 1);
[INFO] [stdout]     |                                                  ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 335 | / float_impl!(
[INFO] [stdout] 336 | |     f64,
[INFO] [stdout] 337 | |     u64,
[INFO] [stdout] 338 | |     i64,
[INFO] [stdout] ...   |
[INFO] [stdout] 344 | |     fmaf64
[INFO] [stdout] 345 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = note: this warning originates in the macro `float_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use the fully qualified path to the associated const
[INFO] [stdout]     |
[INFO] [stdout] 248 -             const SIGN_MASK: Self::Int = 1 << (Self::BITS - 1);
[INFO] [stdout] 248 +             const SIGN_MASK: Self::Int = 1 << (<f64 as float_traits::Float>::BITS - 1);
[INFO] [stdout]     |
[INFO] [stdout] help: add `#![feature(float_bits_const)]` to the crate attributes to enable `core::f64::<impl f64>::BITS`
[INFO] [stdout]    --> src/lib.rs:26:1
[INFO] [stdout]     |
[INFO] [stdout]  26 + #![feature(float_bits_const)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "2093725cd3a8c566aefeb29f30e12d6f7387047ce317c7da57e88c2045679556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2093725cd3a8c566aefeb29f30e12d6f7387047ce317c7da57e88c2045679556", kill_on_drop: false }`
[INFO] [stdout] 2093725cd3a8c566aefeb29f30e12d6f7387047ce317c7da57e88c2045679556
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efec60855b448ba2d8570271352b7bbcceda16c182f6e05265d9f75d52e369c7
[INFO] running `Command { std: "docker" "start" "-a" "efec60855b448ba2d8570271352b7bbcceda16c182f6e05265d9f75d52e369c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling no-panic v0.1.36
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stdout] warning: an associated constant with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/math/support/float_traits.rs:248:48
[INFO] [stdout]     |
[INFO] [stdout] 248 |               const SIGN_MASK: Self::Int = 1 << (Self::BITS - 1);
[INFO] [stdout]     |                                                  ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 324 | / float_impl!(
[INFO] [stdout] 325 | |     f32,
[INFO] [stdout] 326 | |     u32,
[INFO] [stdout] 327 | |     i32,
[INFO] [stdout] ...   |
[INFO] [stdout] 333 | |     fmaf32
[INFO] [stdout] 334 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `float_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use the fully qualified path to the associated const
[INFO] [stdout]     |
[INFO] [stdout] 248 -             const SIGN_MASK: Self::Int = 1 << (Self::BITS - 1);
[INFO] [stdout] 248 +             const SIGN_MASK: Self::Int = 1 << (<f32 as float_traits::Float>::BITS - 1);
[INFO] [stdout]     |
[INFO] [stdout] help: add `#![feature(float_bits_const)]` to the crate attributes to enable `core::f32::<impl f32>::BITS`
[INFO] [stdout]    --> src/lib.rs:26:1
[INFO] [stdout]     |
[INFO] [stdout]  26 + #![feature(float_bits_const)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated constant with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/math/support/float_traits.rs:248:48
[INFO] [stdout]     |
[INFO] [stdout] 248 |               const SIGN_MASK: Self::Int = 1 << (Self::BITS - 1);
[INFO] [stdout]     |                                                  ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 335 | / float_impl!(
[INFO] [stdout] 336 | |     f64,
[INFO] [stdout] 337 | |     u64,
[INFO] [stdout] 338 | |     i64,
[INFO] [stdout] ...   |
[INFO] [stdout] 344 | |     fmaf64
[INFO] [stdout] 345 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = note: this warning originates in the macro `float_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use the fully qualified path to the associated const
[INFO] [stdout]     |
[INFO] [stdout] 248 -             const SIGN_MASK: Self::Int = 1 << (Self::BITS - 1);
[INFO] [stdout] 248 +             const SIGN_MASK: Self::Int = 1 << (<f64 as float_traits::Float>::BITS - 1);
[INFO] [stdout]     |
[INFO] [stdout] help: add `#![feature(float_bits_const)]` to the crate attributes to enable `core::f64::<impl f64>::BITS`
[INFO] [stdout]    --> src/lib.rs:26:1
[INFO] [stdout]     |
[INFO] [stdout]  26 + #![feature(float_bits_const)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling libm v0.2.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: an associated constant with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/math/support/float_traits.rs:248:48
[INFO] [stdout]     |
[INFO] [stdout] 248 |               const SIGN_MASK: Self::Int = 1 << (Self::BITS - 1);
[INFO] [stdout]     |                                                  ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 324 | / float_impl!(
[INFO] [stdout] 325 | |     f32,
[INFO] [stdout] 326 | |     u32,
[INFO] [stdout] 327 | |     i32,
[INFO] [stdout] ...   |
[INFO] [stdout] 333 | |     fmaf32
[INFO] [stdout] 334 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `float_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use the fully qualified path to the associated const
[INFO] [stdout]     |
[INFO] [stdout] 248 -             const SIGN_MASK: Self::Int = 1 << (Self::BITS - 1);
[INFO] [stdout] 248 +             const SIGN_MASK: Self::Int = 1 << (<f32 as float_traits::Float>::BITS - 1);
[INFO] [stdout]     |
[INFO] [stdout] help: add `#![feature(float_bits_const)]` to the crate attributes to enable `core::f32::<impl f32>::BITS`
[INFO] [stdout]    --> src/lib.rs:26:1
[INFO] [stdout]     |
[INFO] [stdout]  26 + #![feature(float_bits_const)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated constant with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/math/support/float_traits.rs:248:48
[INFO] [stdout]     |
[INFO] [stdout] 248 |               const SIGN_MASK: Self::Int = 1 << (Self::BITS - 1);
[INFO] [stdout]     |                                                  ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 335 | / float_impl!(
[INFO] [stdout] 336 | |     f64,
[INFO] [stdout] 337 | |     u64,
[INFO] [stdout] 338 | |     i64,
[INFO] [stdout] ...   |
[INFO] [stdout] 344 | |     fmaf64
[INFO] [stdout] 345 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = note: this warning originates in the macro `float_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use the fully qualified path to the associated const
[INFO] [stdout]     |
[INFO] [stdout] 248 -             const SIGN_MASK: Self::Int = 1 << (Self::BITS - 1);
[INFO] [stdout] 248 +             const SIGN_MASK: Self::Int = 1 << (<f64 as float_traits::Float>::BITS - 1);
[INFO] [stdout]     |
[INFO] [stdout] help: add `#![feature(float_bits_const)]` to the crate attributes to enable `core::f64::<impl f64>::BITS`
[INFO] [stdout]    --> src/lib.rs:26:1
[INFO] [stdout]     |
[INFO] [stdout]  26 + #![feature(float_bits_const)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.04s
[INFO] running `Command { std: "docker" "inspect" "efec60855b448ba2d8570271352b7bbcceda16c182f6e05265d9f75d52e369c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efec60855b448ba2d8570271352b7bbcceda16c182f6e05265d9f75d52e369c7", kill_on_drop: false }`
[INFO] [stdout] efec60855b448ba2d8570271352b7bbcceda16c182f6e05265d9f75d52e369c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f50708db28c2272c1340454ed9feac1818204caab985699c6cb204020e3a815c
[INFO] running `Command { std: "docker" "start" "-a" "f50708db28c2272c1340454ed9feac1818204caab985699c6cb204020e3a815c", kill_on_drop: false }`
[INFO] [stderr] warning: an associated constant with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/math/support/float_traits.rs:248:48
[INFO] [stderr]     |
[INFO] [stderr] 248 |               const SIGN_MASK: Self::Int = 1 << (Self::BITS - 1);
[INFO] [stderr]     |                                                  ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 324 | / float_impl!(
[INFO] [stderr] 325 | |     f32,
[INFO] [stderr] 326 | |     u32,
[INFO] [stderr] 327 | |     i32,
[INFO] [stderr] ...   |
[INFO] [stderr] 333 | |     fmaf32
[INFO] [stderr] 334 | | );
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stderr]     = note: this warning originates in the macro `float_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use the fully qualified path to the associated const
[INFO] [stderr]     |
[INFO] [stderr] 248 -             const SIGN_MASK: Self::Int = 1 << (Self::BITS - 1);
[INFO] [stderr] 248 +             const SIGN_MASK: Self::Int = 1 << (<f32 as float_traits::Float>::BITS - 1);
[INFO] [stderr]     |
[INFO] [stderr] help: add `#![feature(float_bits_const)]` to the crate attributes to enable `core::f32::<impl f32>::BITS`
[INFO] [stderr]    --> src/lib.rs:26:1
[INFO] [stderr]     |
[INFO] [stderr]  26 + #![feature(float_bits_const)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: an associated constant with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/math/support/float_traits.rs:248:48
[INFO] [stderr]     |
[INFO] [stderr] 248 |               const SIGN_MASK: Self::Int = 1 << (Self::BITS - 1);
[INFO] [stderr]     |                                                  ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 335 | / float_impl!(
[INFO] [stderr] 336 | |     f64,
[INFO] [stderr] 337 | |     u64,
[INFO] [stderr] 338 | |     i64,
[INFO] [stderr] ...   |
[INFO] [stderr] 344 | |     fmaf64
[INFO] [stderr] 345 | | );
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = note: this warning originates in the macro `float_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use the fully qualified path to the associated const
[INFO] [stderr]     |
[INFO] [stderr] 248 -             const SIGN_MASK: Self::Int = 1 << (Self::BITS - 1);
[INFO] [stderr] 248 +             const SIGN_MASK: Self::Int = 1 << (<f64 as float_traits::Float>::BITS - 1);
[INFO] [stderr]     |
[INFO] [stderr] help: add `#![feature(float_bits_const)]` to the crate attributes to enable `core::f64::<impl f64>::BITS`
[INFO] [stderr]    --> src/lib.rs:26:1
[INFO] [stderr]     |
[INFO] [stderr]  26 + #![feature(float_bits_const)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `libm` (lib) generated 2 warnings (run `cargo fix --lib -p libm` to apply 2 suggestions)
[INFO] [stderr] warning: `libm` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libm-9f67d8c4213fc013)
[INFO] [stdout] 
[INFO] [stdout] running 116 tests
[INFO] [stdout] test math::arch::x86::detect::tests::check_matches_std ... ok
[INFO] [stdout] test math::atan::tests::infinity ... ok
[INFO] [stdout] test math::atan2::tests::sanity_check ... ok
[INFO] [stdout] test math::atan::tests::sanity_check ... ok
[INFO] [stdout] test math::atan::tests::zero ... ok
[INFO] [stdout] test math::cbrt::tests::spot_checks ... ok
[INFO] [stdout] test math::copysign::tests::spec_tests_f32 ... ok
[INFO] [stdout] test math::exp2::i0_wrap_test ... ok
[INFO] [stdout] test math::expm1::tests::sanity_check ... ok
[INFO] [stdout] test math::fabs::tests::spec_tests_f64 ... ok
[INFO] [stdout] test math::fabs::tests::sanity_check_f32 ... ok
[INFO] [stdout] test math::fabs::tests::spec_tests_f32 ... ok
[INFO] [stdout] test math::fabs::tests::sanity_check_f64 ... ok
[INFO] [stdout] test math::fma::tests::fma_segfault ... ok
[INFO] [stdout] test math::copysign::tests::spec_tests_f64 ... ok
[INFO] [stdout] test math::fma::tests::fma_underflow ... ok
[INFO] [stdout] test math::fma::tests::issue_263 ... ok
[INFO] [stdout] test math::fma::tests::fma_sbb ... ok
[INFO] [stdout] test math::fma::tests::spec_test_f32 ... ok
[INFO] [stdout] test math::fma::tests::spec_test_f64 ... ok
[INFO] [stdout] test math::fmin_fmax::tests::fmax_spec_tests_f32 ... ok
[INFO] [stdout] test math::fmin_fmax::tests::fmax_spec_tests_f64 ... ok
[INFO] [stdout] test math::fmin_fmax::tests::fmin_spec_tests_f32 ... ok
[INFO] [stdout] test math::fmin_fmax::tests::fmin_spec_tests_f64 ... ok
[INFO] [stdout] test math::fminimum_fmaximum::tests::fmaximum_spec_tests_f64 ... ok
[INFO] [stdout] test math::fminimum_fmaximum_num::tests::fmaximum_num_spec_tests_f64 ... ok
[INFO] [stdout] test math::fminimum_fmaximum_num::tests::fminimum_num_spec_tests_f32 ... ok
[INFO] [stdout] test math::atan::tests::nan ... ok
[INFO] [stdout] test math::fminimum_fmaximum::tests::fmaximum_spec_tests_f32 ... ok
[INFO] [stdout] test math::fminimum_fmaximum::tests::fminimum_spec_tests_f32 ... ok
[INFO] [stdout] test math::fminimum_fmaximum_num::tests::fminimum_num_spec_tests_f64 ... ok
[INFO] [stdout] test math::fminimum_fmaximum::tests::fminimum_spec_tests_f64 ... ok
[INFO] [stdout] test math::fminimum_fmaximum_num::tests::fmaximum_num_spec_tests_f32 ... ok
[INFO] [stdout] test math::generic::ceil::tests::sanity_check_f64 ... ok
[INFO] [stdout] test math::generic::ceil::tests::spec_tests_f32 ... ok
[INFO] [stdout] test math::generic::floor::tests::sanity_check_f32 ... ok
[INFO] [stdout] test math::generic::floor::tests::sanity_check_f64 ... ok
[INFO] [stdout] test math::generic::rint::tests::spec_tests_f32 ... ok
[INFO] [stdout] test math::generic::rint::tests::spec_tests_f64 ... ok
[INFO] [stdout] test math::generic::round::tests::sanity_check_f32 ... ok
[INFO] [stdout] test math::generic::round::tests::zeroes_f32 ... ok
[INFO] [stdout] test math::generic::round::tests::zeroes_f64 ... ok
[INFO] [stdout] test math::generic::sqrt::tests::conformance_tests_f32 ... ok
[INFO] [stdout] test math::generic::sqrt::tests::conformance_tests_f64 ... ok
[INFO] [stdout] test math::generic::sqrt::tests::sanity_check_f32 ... ok
[INFO] [stdout] test math::generic::sqrt::tests::sanity_check_f64 ... ok
[INFO] [stdout] test math::generic::sqrt::tests::spec_tests_f32 ... ok
[INFO] [stdout] test math::generic::ceil::tests::spec_tests_f64 ... ok
[INFO] [stdout] test math::generic::trunc::tests::sanity_check_f32 ... ok
[INFO] [stdout] test math::generic::sqrt::tests::spec_tests_f64 ... ok
[INFO] [stdout] test math::generic::trunc::tests::sanity_check_f64 ... ok
[INFO] [stdout] test math::j1f::tests::test_j1f_2488 ... ok
[INFO] [stdout] test math::generic::trunc::tests::spec_tests_f32 ... ok
[INFO] [stdout] test math::generic::trunc::tests::spec_tests_f64 ... ok
[INFO] [stdout] test math::pow::tests::infinity_as_base ... ok
[INFO] [stdout] test math::pow::tests::infinity_as_exponent ... ok
[INFO] [stdout] test math::j1f::tests::test_y1f_2002 ... ok
[INFO] [stdout] test math::pow::tests::zero_as_exponent ... ok
[INFO] [stdout] test math::rem_pio2::tests::test_near_pi ... ok
[INFO] [stdout] test math::rem_pio2::tests::test_overflow_4747b9 ... ok
[INFO] [stdout] test math::rem_pio2::tests::test_overflow_b9b847 ... ok
[INFO] [stdout] test math::generic::floor::tests::spec_tests_f32 ... ok
[INFO] [stdout] test math::generic::floor::tests::spec_tests_f64 ... ok
[INFO] [stdout] test math::generic::round::tests::sanity_check_f64 ... ok
[INFO] [stdout] test math::remquo::tests::test_q_overflow ... ok
[INFO] [stdout] test math::pow::tests::nan_inputs ... ok
[INFO] [stdout] test math::pow::tests::normal_cases ... ok
[INFO] [stdout] test math::scalbn::tests::spec_test_f32 ... ok
[INFO] [stdout] test math::pow::tests::special_cases ... ok
[INFO] [stdout] test math::generic::ceil::tests::sanity_check_f32 ... ok
[INFO] [stdout] test math::scalbn::tests::spec_test_f64 ... ok
[INFO] [stdout] test math::sin::tests::test_near_pi ... ok
[INFO] [stdout] test math::sincos::tests::rotational_symmetry ... ok
[INFO] [stdout] test math::support::big::tests::i256_shifts ... ok
[INFO] [stdout] test math::support::big::tests::i256_ord ... ok
[INFO] [stdout] test math::sincos::tests::with_pi ... ok
[INFO] [stdout] test math::support::big::tests::not_u256 ... ok
[INFO] [stdout] test math::support::big::tests::u256_shifts ... ok
[INFO] [stdout] test math::support::feature_detect::tests::unique_masks ... ok
[INFO] [stdout] test math::support::float_traits::tests::check_f32 ... ok
[INFO] [stdout] test math::support::float_traits::tests::check_f64 ... ok
[INFO] [stdout] test math::support::big::tests::widen_i128 ... ok
[INFO] [stdout] test math::sincosf::tests::rotational_symmetry ... ok
[INFO] [stdout] test math::support::big::tests::u256_ord ... ok
[INFO] [stdout] test math::support::big::tests::shr_u256 ... ok
[INFO] [stdout] test math::support::hex_float::parse_tests::test_f64 ... ok
[INFO] [stdout] test math::support::hex_float::parse_tests::test_macros ... ok
[INFO] [stdout] test math::support::big::tests::widen_mul_u128 ... ok
[INFO] [stdout] test math::support::big::tests::widen_u128 ... ok
[INFO] [stdout] test math::support::feature_detect::tests::flag_cache_is_used ... ok
[INFO] [stdout] test math::support::hex_float::tests_panicking::test_f32_almost_extra_precision ... ok
[INFO] [stdout] test math::support::feature_detect::tests::select_cache_is_used ... ok
[INFO] [stdout] test math::support::hex_float::print_tests::spot_checks ... ok
[INFO] [stdout] test math::pow::tests::one_as_base ... ok
[INFO] [stdout] test math::pow::tests::zero_as_base ... ok
[INFO] [stdout] test math::support::hex_float::parse_tests::test_f32 ... ok
[INFO] [stdout] test math::support::hex_float::tests_panicking::test_f64_almost_extra_precision ... ok
[INFO] [stdout] test math::support::hex_float::tests_panicking::test_f32_tiniest ... ok
[INFO] [stdout] test math::support::hex_float::parse_tests::rounding_extreme_underflow ... ok
[INFO] [stdout] test math::support::modular::test::reduction_u128 ... ok
[INFO] [stdout] test math::atan::tests::minus_infinity ... ok
[INFO] [stdout] test math::trunc::tests::sanity_check ... ok
[INFO] [stdout] test math::support::modular::test::reducer_ops ... ok
[INFO] [stdout] test math::support::hex_float::parse_tests::long_tail ... ok
[INFO] [stdout] test math::support::hex_float::tests_panicking::test_f32_again_too_tiny - should panic ... ok
[INFO] [stdout] test math::support::hex_float::tests_panicking::test_f32_too_tiny - should panic ... ok
[INFO] [stdout] test math::support::big::tests::shr_u256_overflow - should panic ... ok
[INFO] [stdout] test math::support::hex_float::tests_panicking::test_f64_extra_precision - should panic ... ok
[INFO] [stdout] test math::support::hex_float::tests_panicking::test_f32_extra_precision2 - should panic ... ok
[INFO] [stdout] test math::support::hex_float::tests_panicking::test_f32_extra_precision - should panic ... ok
[INFO] [stdout] test math::support::hex_float::tests_panicking::test_f32_also_too_tiny - should panic ... ok
[INFO] [stdout] test math::support::hex_float::tests_panicking::test_f32_overflow - should panic ... ok
[INFO] [stdout] test math::support::int_traits::narrowing_div::test::inverse_mul ... ok
[INFO] [stdout] test math::support::big::tests::div_u256_by_u128 ... ok
[INFO] [stdout] test math::support::modular::test::reduction_u8 ... ok
[INFO] [stderr]    Doc-tests libm
[INFO] [stdout] test math::support::hex_float::parse_tests::test_parse_any ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 116 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.76s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/libm_helper.rs - libm_helper::Libm (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f50708db28c2272c1340454ed9feac1818204caab985699c6cb204020e3a815c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f50708db28c2272c1340454ed9feac1818204caab985699c6cb204020e3a815c", kill_on_drop: false }`
[INFO] [stdout] f50708db28c2272c1340454ed9feac1818204caab985699c6cb204020e3a815c
