[INFO] fetching crate float_math 0.0.3...
[INFO] testing float_math-0.0.3 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065
[INFO] extracting crate float_math 0.0.3 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate float_math 0.0.3
[INFO] finished tweaking crates.io crate float_math 0.0.3
[INFO] tweaked toml for crates.io crate float_math 0.0.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate float_math 0.0.3 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] deb7523d1364a8eb3e7c0487c00260dd952a7605714d56d489b9e6c974e68395
[INFO] running `Command { std: "docker" "start" "-a" "deb7523d1364a8eb3e7c0487c00260dd952a7605714d56d489b9e6c974e68395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "deb7523d1364a8eb3e7c0487c00260dd952a7605714d56d489b9e6c974e68395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deb7523d1364a8eb3e7c0487c00260dd952a7605714d56d489b9e6c974e68395", kill_on_drop: false }`
[INFO] [stdout] deb7523d1364a8eb3e7c0487c00260dd952a7605714d56d489b9e6c974e68395
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8516230b905ff4d2b3cd69a748b5fd22804365f0c7b8763ec03d48e6aaaa55a
[INFO] running `Command { std: "docker" "start" "-a" "e8516230b905ff4d2b3cd69a748b5fd22804365f0c7b8763ec03d48e6aaaa55a", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling float_math v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/ops/abs.rs:23:3
[INFO] [stdout]    |
[INFO] [stdout] 23 |   #[must_use]
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/ops/abs.rs:37:3
[INFO] [stdout]    |
[INFO] [stdout] 37 |   #[must_use]
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/ops/get_exponent_bits.rs:16:3
[INFO] [stdout]    |
[INFO] [stdout] 16 |   #[must_use]
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/ops/get_exponent_bits.rs:25:3
[INFO] [stdout]    |
[INFO] [stdout] 25 |   #[must_use]
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/ops/get_exponent_value.rs:16:3
[INFO] [stdout]    |
[INFO] [stdout] 16 |   #[must_use]
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/ops/get_exponent_value.rs:25:3
[INFO] [stdout]    |
[INFO] [stdout] 25 |   #[must_use]
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/ops/max.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 18 |   #[must_use]
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/ops/max.rs:26:3
[INFO] [stdout]    |
[INFO] [stdout] 26 |   #[must_use]
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/ops/max.rs:61:7
[INFO] [stdout]    |
[INFO] [stdout] 61 |       #[must_use]
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 | max_scalar_int!(i8, u8, i16, u16, i32, u32, i64, u64, i128, u128, isize, usize);
[INFO] [stdout]    | ------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]    = note: this warning originates in the macro `max_scalar_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/ops/min.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 18 |   #[must_use]
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/ops/min.rs:26:3
[INFO] [stdout]    |
[INFO] [stdout] 26 |   #[must_use]
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/ops/min.rs:61:7
[INFO] [stdout]    |
[INFO] [stdout] 61 |       #[must_use]
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 | max_scalar_int!(i8, u8, i16, u16, i32, u32, i64, u64, i128, u128, isize, usize);
[INFO] [stdout]    | ------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]    = note: this warning originates in the macro `max_scalar_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/ops/truncate.rs:30:3
[INFO] [stdout]    |
[INFO] [stdout] 30 |   #[must_use]
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/ops/truncate.rs:55:3
[INFO] [stdout]    |
[INFO] [stdout] 55 |   #[must_use]
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/float_constants.rs:35:58
[INFO] [stdout]    |
[INFO] [stdout] 35 |   const NON_MANTISSA_BITS: Self::Unsigned = Self::BITS - Self::MANTISSA_BITS;
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^^^^^ expected `u32`, found `u64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/float_constants.rs:35:45
[INFO] [stdout]    |
[INFO] [stdout] 35 |   const NON_MANTISSA_BITS: Self::Unsigned = Self::BITS - Self::MANTISSA_BITS;
[INFO] [stdout]    |                            --------------   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `u64`, found `u32`
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            expected because of the type of the associated constant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot subtract `u64` from `u32`
[INFO] [stdout]   --> src/float_constants.rs:35:56
[INFO] [stdout]    |
[INFO] [stdout] 35 |   const NON_MANTISSA_BITS: Self::Unsigned = Self::BITS - Self::MANTISSA_BITS;
[INFO] [stdout]    |                                                        ^ no implementation for `u32 - u64`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sub<u64>` is not implemented for `u32`
[INFO] [stdout] help: the following other types implement trait `Sub<Rhs>`
[INFO] [stdout]   --> /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/internal_macros.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout]    = note: `&u32` implements `Sub<u32>`
[INFO] [stdout]   ::: /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/internal_macros.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout]    = note: `u32` implements `Sub<&u32>`
[INFO] [stdout]   ::: /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/internal_macros.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout]    = note: `&u32` implements `Sub`
[INFO] [stdout]   --> /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/ops/arith.rs:212:8
[INFO] [stdout]    |
[INFO] [stdout]    = note: `u32` implements `Sub`
[INFO] [stdout]   ::: /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/ops/arith.rs:227:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: in this macro invocation
[INFO] [stdout]    = note: this error originates in the macro `forward_ref_binop` which comes from the expansion of the macro `sub_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `float_math` (lib) due to 3 previous errors; 14 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e8516230b905ff4d2b3cd69a748b5fd22804365f0c7b8763ec03d48e6aaaa55a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8516230b905ff4d2b3cd69a748b5fd22804365f0c7b8763ec03d48e6aaaa55a", kill_on_drop: false }`
[INFO] [stdout] e8516230b905ff4d2b3cd69a748b5fd22804365f0c7b8763ec03d48e6aaaa55a
