[INFO] fetching crate rsdiff-macros 0.0.2...
[INFO] testing rsdiff-macros-0.0.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rsdiff-macros 0.0.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate rsdiff-macros 0.0.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rsdiff-macros 0.0.2
[INFO] tweaked toml for crates.io crate rsdiff-macros 0.0.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rsdiff-macros 0.0.2 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rsdiff-macros 0.0.2 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc759a52215e84f6e498c91c5e8cdd7cd8e1880c72ae4f6e540ce5b429596930
[INFO] running `Command { std: "docker" "start" "-a" "fc759a52215e84f6e498c91c5e8cdd7cd8e1880c72ae4f6e540ce5b429596930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc759a52215e84f6e498c91c5e8cdd7cd8e1880c72ae4f6e540ce5b429596930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc759a52215e84f6e498c91c5e8cdd7cd8e1880c72ae4f6e540ce5b429596930", kill_on_drop: false }`
[INFO] [stdout] fc759a52215e84f6e498c91c5e8cdd7cd8e1880c72ae4f6e540ce5b429596930
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d37b29c4e6833b78b4b580a47307af57c509b9dcfcfee382589ede70dd209d9
[INFO] running `Command { std: "docker" "start" "-a" "0d37b29c4e6833b78b4b580a47307af57c509b9dcfcfee382589ede70dd209d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling rsdiff-macros v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.102
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.72s
[INFO] running `Command { std: "docker" "inspect" "0d37b29c4e6833b78b4b580a47307af57c509b9dcfcfee382589ede70dd209d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d37b29c4e6833b78b4b580a47307af57c509b9dcfcfee382589ede70dd209d9", kill_on_drop: false }`
[INFO] [stdout] 0d37b29c4e6833b78b4b580a47307af57c509b9dcfcfee382589ede70dd209d9
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0a1121280f8cc720e143397dd88c9ad1e37705429fc964424695c2713870c3d
[INFO] running `Command { std: "docker" "start" "-a" "d0a1121280f8cc720e143397dd88c9ad1e37705429fc964424695c2713870c3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.102
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling rsdiff-macros v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `num::Float`
[INFO] [stdout]   --> tests/external.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     use num::Float;
[INFO] [stdout]    |         ^^^^^^^^^^ no `Float` in the root
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-0.4.3/src/lib.rs:78:21
[INFO] [stdout]    |
[INFO] [stdout] 77 | #[cfg(any(feature = "libm", feature = "std"))]
[INFO] [stdout]    |          ----------------------------------- the item is gated here
[INFO] [stdout] 78 | pub use num_traits::Float;
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rsdiff-macros` (test "external") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `pow` found for type `f64` in the current scope
[INFO] [stdout]   --> tests/arith.rs:93:16
[INFO] [stdout]    |
[INFO] [stdout] 93 |     assert_eq!(autodiff!(x: x.pow(y)), y * x.pow(2));
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `autodiff` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `pow` found for type `f64` in the current scope
[INFO] [stdout]   --> tests/arith.rs:93:46
[INFO] [stdout]    |
[INFO] [stdout] 93 |     assert_eq!(autodiff!(x: x.pow(y)), y * x.pow(2));
[INFO] [stdout]    |                                              ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `powf` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 93 |     assert_eq!(autodiff!(x: x.pow(y)), y * x.powf(2));
[INFO] [stdout]    |                                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `pow` found for type `f64` in the current scope
[INFO] [stdout]   --> tests/arith.rs:94:16
[INFO] [stdout]    |
[INFO] [stdout] 94 |     assert_eq!(autodiff!(y: x.pow(y)), x.pow(y) * y.ln());
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `autodiff` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `pow` found for type `f64` in the current scope
[INFO] [stdout]   --> tests/arith.rs:94:42
[INFO] [stdout]    |
[INFO] [stdout] 94 |     assert_eq!(autodiff!(y: x.pow(y)), x.pow(y) * y.ln());
[INFO] [stdout]    |                                          ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `powf` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 94 |     assert_eq!(autodiff!(y: x.pow(y)), x.powf(y) * y.ln());
[INFO] [stdout]    |                                             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `pow` found for type `f64` in the current scope
[INFO] [stdout]   --> tests/arith.rs:95:16
[INFO] [stdout]    |
[INFO] [stdout] 95 |     assert_eq!(autodiff!(x: 2f64.pow(y)), 0f64);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `autodiff` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `pow` found for type `f64` in the current scope
[INFO] [stdout]   --> tests/arith.rs:96:16
[INFO] [stdout]    |
[INFO] [stdout] 96 |     assert_eq!(autodiff!(y: 2f64.pow(y)), 2f64.pow(y) * y.ln());
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `autodiff` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `pow` found for type `f64` in the current scope
[INFO] [stdout]   --> tests/arith.rs:96:48
[INFO] [stdout]    |
[INFO] [stdout] 96 |     assert_eq!(autodiff!(y: 2f64.pow(y)), 2f64.pow(y) * y.ln());
[INFO] [stdout]    |                                                ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `powf` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 96 |     assert_eq!(autodiff!(y: 2f64.pow(y)), 2f64.powf(y) * y.ln());
[INFO] [stdout]    |                                                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rsdiff-macros` (test "arith") due to 7 previous errors
[INFO] [stdout] error[E0405]: cannot find trait `Float` in crate `num`
[INFO] [stdout]   --> tests/autodiff.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     T: num::Float,
[INFO] [stdout]    |             ^^^^^ not found in `num`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-0.4.3/src/lib.rs:78:21
[INFO] [stdout]    |
[INFO] [stdout] 77 | #[cfg(any(feature = "libm", feature = "std"))]
[INFO] [stdout]    |          ----------------------------------- the item is gated here
[INFO] [stdout] 78 | pub use num_traits::Float;
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rsdiff-macros` (test "autodiff") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "d0a1121280f8cc720e143397dd88c9ad1e37705429fc964424695c2713870c3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0a1121280f8cc720e143397dd88c9ad1e37705429fc964424695c2713870c3d", kill_on_drop: false }`
[INFO] [stdout] d0a1121280f8cc720e143397dd88c9ad1e37705429fc964424695c2713870c3d
