[INFO] fetching crate enum_unwrapper 0.1.2...
[INFO] testing enum_unwrapper-0.1.2 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate enum_unwrapper 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate enum_unwrapper 0.1.2
[INFO] finished tweaking crates.io crate enum_unwrapper 0.1.2
[INFO] tweaked toml for crates.io crate enum_unwrapper 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate enum_unwrapper 0.1.2 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "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" "+beta-2026-01-20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition
[INFO] [stderr] (in the `enum_unwrapper` library target)
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ead79a4b44a20421e7fa03c49a0a53c7f2a97c846299b4453f94f08d49532af
[INFO] running `Command { std: "docker" "start" "-a" "3ead79a4b44a20421e7fa03c49a0a53c7f2a97c846299b4453f94f08d49532af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ead79a4b44a20421e7fa03c49a0a53c7f2a97c846299b4453f94f08d49532af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ead79a4b44a20421e7fa03c49a0a53c7f2a97c846299b4453f94f08d49532af", kill_on_drop: false }`
[INFO] [stdout] 3ead79a4b44a20421e7fa03c49a0a53c7f2a97c846299b4453f94f08d49532af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10869cef7bb8335c100dbd5f9f39071d55dca520787998a83a2e1b59051c6fd9
[INFO] running `Command { std: "docker" "start" "-a" "10869cef7bb8335c100dbd5f9f39071d55dca520787998a83a2e1b59051c6fd9", kill_on_drop: false }`
[INFO] [stderr] warning: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition
[INFO] [stderr] (in the `enum_unwrapper` library target)
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling enum_unwrapper v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.29s
[INFO] running `Command { std: "docker" "inspect" "10869cef7bb8335c100dbd5f9f39071d55dca520787998a83a2e1b59051c6fd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10869cef7bb8335c100dbd5f9f39071d55dca520787998a83a2e1b59051c6fd9", kill_on_drop: false }`
[INFO] [stdout] 10869cef7bb8335c100dbd5f9f39071d55dca520787998a83a2e1b59051c6fd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15db27b173addeb478a57588a4e02d9893779dc322947634862163050c52e7fc
[INFO] running `Command { std: "docker" "start" "-a" "15db27b173addeb478a57588a4e02d9893779dc322947634862163050c52e7fc", kill_on_drop: false }`
[INFO] [stderr] warning: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition
[INFO] [stderr] (in the `enum_unwrapper` library target)
[INFO] [stderr]    Compiling enum_unwrapper v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "15db27b173addeb478a57588a4e02d9893779dc322947634862163050c52e7fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15db27b173addeb478a57588a4e02d9893779dc322947634862163050c52e7fc", kill_on_drop: false }`
[INFO] [stdout] 15db27b173addeb478a57588a4e02d9893779dc322947634862163050c52e7fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 672df9a69504c126a6c0fb5fe08d82e6af5e0a5ba2f0e58f95ea27e153492608
[INFO] running `Command { std: "docker" "start" "-a" "672df9a69504c126a6c0fb5fe08d82e6af5e0a5ba2f0e58f95ea27e153492608", kill_on_drop: false }`
[INFO] [stderr] warning: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition
[INFO] [stderr] (in the `enum_unwrapper` library target)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/enum_unwrapper-49ea237bd58ea403)
[INFO] [stderr]    Doc-tests enum_unwrapper
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - unique_try_froms (line 46) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - unique_try_froms (line 50) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - unique_try_froms (line 28) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - unique_try_froms (line 46) stdout ----
[INFO] [stdout] error: missing `fn` or `struct` for function or struct definition
[INFO] [stdout]   --> src/lib.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 |    Variant(u8,u8),
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to call a macro, try
[INFO] [stdout]    |
[INFO] [stdout] 47 |    Variant!(u8,u8),
[INFO] [stdout]    |           +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - unique_try_froms (line 50) stdout ----
[INFO] [stdout] error: missing `fn` or `struct` for function or struct definition
[INFO] [stdout]   --> src/lib.rs:51:2
[INFO] [stdout]    |
[INFO] [stdout] 51 |  Variant([u8;2]),
[INFO] [stdout]    |  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to call a macro, try
[INFO] [stdout]    |
[INFO] [stdout] 51 |  Variant!([u8;2]),
[INFO] [stdout]    |         +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - unique_try_froms (line 28) stdout ----
[INFO] [stdout] error: cannot find attribute `unique_try_froms` in this scope
[INFO] [stdout]   --> src/lib.rs:29:3
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[unique_try_froms()]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this attribute macro
[INFO] [stdout]    |
[INFO] [stdout] 29 + use enum_unwrapper::unique_try_froms;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u8: TryFrom<NumberHolder>` is not satisfied
[INFO] [stdout]   --> src/lib.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |    assert_eq!(4,u8::try_from(small_number).unwrap());
[INFO] [stdout]    |                 ^^ the trait `From<NumberHolder>` is not implemented for `u8`
[INFO] [stdout]    |
[INFO] [stdout] help: the following other types implement trait `From<T>`
[INFO] [stdout]   --> /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ascii/ascii_char.rs:1161:12
[INFO] [stdout]    |
[INFO] [stdout]    = note: `u8` implements `From<std::ascii::Char>`
[INFO] [stdout]   ::: /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ascii/ascii_char.rs:1171:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: in this macro invocation
[INFO] [stdout]   --> /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/convert/num.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout]    = note: `u8` implements `From<bool>`
[INFO] [stdout]   ::: /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/convert/num.rs:86:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: in this macro invocation
[INFO] [stdout]    = note: required for `NumberHolder` to implement `Into<u8>`
[INFO] [stdout]    = note: required for `u8` to implement `TryFrom<NumberHolder>`
[INFO] [stdout]    = note: this error originates in the macro `into_int_impl` which comes from the expansion of the macro `impl_from` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u16: TryFrom<NumberHolder>` is not satisfied
[INFO] [stdout]   --> src/lib.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 38 |    assert_eq!(444,u16::try_from(big_number).unwrap());
[INFO] [stdout]    |                   ^^^ the trait `From<NumberHolder>` is not implemented for `u16`
[INFO] [stdout]    |
[INFO] [stdout] help: the following other types implement trait `From<T>`
[INFO] [stdout]   --> /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ascii/ascii_char.rs:1161:12
[INFO] [stdout]    |
[INFO] [stdout]    = note: `u16` implements `From<std::ascii::Char>`
[INFO] [stdout]   ::: /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ascii/ascii_char.rs:1171:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: in this macro invocation
[INFO] [stdout]   --> /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/convert/num.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout]    = note: `u16` implements `From<bool>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `u16` implements `From<u8>`
[INFO] [stdout]   ::: /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/convert/num.rs:87:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: in this macro invocation
[INFO] [stdout]   ::: /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/convert/num.rs:100:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: in this macro invocation
[INFO] [stdout]    = note: required for `NumberHolder` to implement `Into<u16>`
[INFO] [stdout]    = note: required for `u16` to implement `TryFrom<NumberHolder>`
[INFO] [stdout]    = note: this error originates in the macro `into_int_impl` which comes from the expansion of the macro `impl_from` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u8: From<NumberHolder>` is not satisfied
[INFO] [stdout]   --> src/lib.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |    assert_eq!(4,u8::try_from(small_number).unwrap());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `From<NumberHolder>` is not implemented for `u8`
[INFO] [stdout]    |
[INFO] [stdout] help: the following other types implement trait `From<T>`
[INFO] [stdout]   --> /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ascii/ascii_char.rs:1161:12
[INFO] [stdout]    |
[INFO] [stdout]    = note: `u8` implements `From<std::ascii::Char>`
[INFO] [stdout]   ::: /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ascii/ascii_char.rs:1171:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: in this macro invocation
[INFO] [stdout]   --> /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/convert/num.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout]    = note: `u8` implements `From<bool>`
[INFO] [stdout]   ::: /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/convert/num.rs:86:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: in this macro invocation
[INFO] [stdout]    = note: required for `NumberHolder` to implement `Into<u8>`
[INFO] [stdout]    = note: required for `u8` to implement `TryFrom<NumberHolder>`
[INFO] [stdout]    = note: this error originates in the macro `into_int_impl` which comes from the expansion of the macro `impl_from` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u16: From<NumberHolder>` is not satisfied
[INFO] [stdout]   --> src/lib.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 38 |    assert_eq!(444,u16::try_from(big_number).unwrap());
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `From<NumberHolder>` is not implemented for `u16`
[INFO] [stdout]    |
[INFO] [stdout] help: the following other types implement trait `From<T>`
[INFO] [stdout]   --> /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ascii/ascii_char.rs:1161:12
[INFO] [stdout]    |
[INFO] [stdout]    = note: `u16` implements `From<std::ascii::Char>`
[INFO] [stdout]   ::: /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ascii/ascii_char.rs:1171:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: in this macro invocation
[INFO] [stdout]   --> /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/convert/num.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout]    = note: `u16` implements `From<bool>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `u16` implements `From<u8>`
[INFO] [stdout]   ::: /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/convert/num.rs:87:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: in this macro invocation
[INFO] [stdout]   ::: /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/convert/num.rs:100:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: in this macro invocation
[INFO] [stdout]    = note: required for `NumberHolder` to implement `Into<u16>`
[INFO] [stdout]    = note: required for `u16` to implement `TryFrom<NumberHolder>`
[INFO] [stdout]    = note: this error originates in the macro `into_int_impl` which comes from the expansion of the macro `impl_from` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - unique_try_froms (line 28)
[INFO] [stdout]     src/lib.rs - unique_try_froms (line 46)
[INFO] [stdout]     src/lib.rs - unique_try_froms (line 50)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "672df9a69504c126a6c0fb5fe08d82e6af5e0a5ba2f0e58f95ea27e153492608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "672df9a69504c126a6c0fb5fe08d82e6af5e0a5ba2f0e58f95ea27e153492608", kill_on_drop: false }`
[INFO] [stdout] 672df9a69504c126a6c0fb5fe08d82e6af5e0a5ba2f0e58f95ea27e153492608
