[INFO] fetching crate math_adapter 0.3.8...
[INFO] checking math_adapter-0.3.8 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate math_adapter 0.3.8 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate math_adapter 0.3.8 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate math_adapter 0.3.8
[INFO] removed 3 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate math_adapter 0.3.8
[INFO] tweaked toml for crates.io crate math_adapter 0.3.8 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate math_adapter 0.3.8 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "789324ab385423f5b46c39ee2596823a14df5cae0b9eeb008c320f7e265095e3", kill_on_drop: false }`
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[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]   --> rust/impl/math/abs/nan_like.rs:64:11
[INFO] [stdout]    |
[INFO] [stdout] 64 |           *self == < $( $Args )* >::NAN
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |   for_each_float!( impl_nan_like_for_float );
[INFO] [stdout]    |   ------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_nan_comparisons)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_nan_like_for_float` which comes from the expansion of the macro `for_each_float` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]    |
[INFO] [stdout] 64 -           *self == < $( $Args )* >::NAN
[INFO] [stdout] 64 +           *self.is_nan()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]   --> rust/impl/math/abs/nan_like.rs:64:11
[INFO] [stdout]    |
[INFO] [stdout] 64 |           *self == < $( $Args )* >::NAN
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |   for_each_float!( impl_nan_like_for_float );
[INFO] [stdout]    |   ------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_nan_like_for_float` which comes from the expansion of the macro `for_each_float` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]    |
[INFO] [stdout] 64 -           *self == < $( $Args )* >::NAN
[INFO] [stdout] 64 +           *self.is_nan()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]   --> rust/impl/math/abs/nan_like.rs:64:11
[INFO] [stdout]    |
[INFO] [stdout] 64 |           *self == < $( $Args )* >::NAN
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |   for_each_float!( impl_nan_like_for_float );
[INFO] [stdout]    |   ------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_nan_comparisons)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_nan_like_for_float` which comes from the expansion of the macro `for_each_float` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]    |
[INFO] [stdout] 64 -           *self == < $( $Args )* >::NAN
[INFO] [stdout] 64 +           *self.is_nan()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]   --> rust/impl/math/abs/nan_like.rs:64:11
[INFO] [stdout]    |
[INFO] [stdout] 64 |           *self == < $( $Args )* >::NAN
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |   for_each_float!( impl_nan_like_for_float );
[INFO] [stdout]    |   ------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_nan_like_for_float` which comes from the expansion of the macro `for_each_float` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]    |
[INFO] [stdout] 64 -           *self == < $( $Args )* >::NAN
[INFO] [stdout] 64 +           *self.is_nan()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.53s
[INFO] running `Command { std: "docker" "inspect" "789324ab385423f5b46c39ee2596823a14df5cae0b9eeb008c320f7e265095e3", kill_on_drop: false }`
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[INFO] [stdout] 789324ab385423f5b46c39ee2596823a14df5cae0b9eeb008c320f7e265095e3