[INFO] fetching crate macron-impl-display 0.1.1...
[INFO] testing macron-impl-display-0.1.1 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate macron-impl-display 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate macron-impl-display 0.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate macron-impl-display 0.1.1
[INFO] tweaked toml for crates.io crate macron-impl-display 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate macron-impl-display 0.1.1 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] crate crates.io crate macron-impl-display 0.1.1 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-2026-01-20" "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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c1fa1092c4c2d391d4318665e20c2df6ee181debc2e051fe1b989a24f70e0c8
[INFO] running `Command { std: "docker" "start" "-a" "8c1fa1092c4c2d391d4318665e20c2df6ee181debc2e051fe1b989a24f70e0c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c1fa1092c4c2d391d4318665e20c2df6ee181debc2e051fe1b989a24f70e0c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c1fa1092c4c2d391d4318665e20c2df6ee181debc2e051fe1b989a24f70e0c8", kill_on_drop: false }`
[INFO] [stdout] 8c1fa1092c4c2d391d4318665e20c2df6ee181debc2e051fe1b989a24f70e0c8
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66950cc667acb00ac098508f1b6b170409d7d161d22e7478ea06772f296355c4
[INFO] running `Command { std: "docker" "start" "-a" "66950cc667acb00ac098508f1b6b170409d7d161d22e7478ea06772f296355c4", kill_on_drop: false }`
[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 v2.0.101
[INFO] [stderr]    Compiling macron-impl-display v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.08s
[INFO] running `Command { std: "docker" "inspect" "66950cc667acb00ac098508f1b6b170409d7d161d22e7478ea06772f296355c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66950cc667acb00ac098508f1b6b170409d7d161d22e7478ea06772f296355c4", kill_on_drop: false }`
[INFO] [stdout] 66950cc667acb00ac098508f1b6b170409d7d161d22e7478ea06772f296355c4
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b36eb7d59d3d3de4b5122ee543b939990764701bf370db0c6d22710b310a8757
[INFO] running `Command { std: "docker" "start" "-a" "b36eb7d59d3d3de4b5122ee543b939990764701bf370db0c6d22710b310a8757", kill_on_drop: false }`
[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 v2.0.101
[INFO] [stderr]    Compiling macron-impl-display v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.42s
[INFO] running `Command { std: "docker" "inspect" "b36eb7d59d3d3de4b5122ee543b939990764701bf370db0c6d22710b310a8757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b36eb7d59d3d3de4b5122ee543b939990764701bf370db0c6d22710b310a8757", kill_on_drop: false }`
[INFO] [stdout] b36eb7d59d3d3de4b5122ee543b939990764701bf370db0c6d22710b310a8757
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 40191b73f4f90664c7b73182a82bc43c1b493bef39d380c89d33cc60a34b5b3d
[INFO] running `Command { std: "docker" "start" "-a" "40191b73f4f90664c7b73182a82bc43c1b493bef39d380c89d33cc60a34b5b3d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/macron_impl_display-2d3fc7e7ef227fe3)
[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] [stderr]      Running tests/test_impl_display.rs (/opt/rustwide/target/debug/deps/test_impl_display-1a2aeef21b957820)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_impl_display_enum ... ok
[INFO] [stdout] test test_impl_display_struct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests macron_impl_display
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 20) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 31) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 20) stdout ----
[INFO] [stdout] error: cannot find derive macro `Display` in this scope
[INFO] [stdout]   --> src/lib.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(Display)]
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this derive macro
[INFO] [stdout]    |
[INFO] [stdout] 20 + use macron_impl_display::Display;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `display` in this scope
[INFO] [stdout]   --> src/lib.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[display = "Hello, {name}!"]
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Hello` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/lib.rs:29:21
[INFO] [stdout]    |
[INFO] [stdout] 29 | assert_eq!(format!("{hello}"), "Hello, World!");
[INFO] [stdout]    |                     ^^^^^^^ `Hello` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `std::fmt::Display` is not implemented for `Hello`
[INFO] [stdout]   --> src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Hello {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: this error originates in the macro `$crate::__export::format_args` which comes from the expansion of the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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] ---- src/lib.rs - (line 31) stdout ----
[INFO] [stdout] error: cannot find derive macro `Display` in this scope
[INFO] [stdout]   --> src/lib.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[derive(Display)]
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this derive macro
[INFO] [stdout]    |
[INFO] [stdout] 31 + use macron_impl_display::Display;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `display` in this scope
[INFO] [stdout]   --> src/lib.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 |     #[display = "it's a dog"]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `display` in this scope
[INFO] [stdout]   --> src/lib.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 |     #[display = "cat '{0}'"]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `display` in this scope
[INFO] [stdout]   --> src/lib.rs:40:7
[INFO] [stdout]    |
[INFO] [stdout] 40 |     #[display = "bird '{name}'"]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Animals` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/lib.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 | assert_eq!(format!("{dog}"), "it's a dog");
[INFO] [stdout]    |                     ^^^^^ `Animals` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `std::fmt::Display` is not implemented for `Animals`
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | enum Animals {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: this error originates in the macro `$crate::__export::format_args` which comes from the expansion of the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Animals` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/lib.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 | assert_eq!(format!("{cat}"), "cat 'Tomas'");
[INFO] [stdout]    |                     ^^^^^ `Animals` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `std::fmt::Display` is not implemented for `Animals`
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | enum Animals {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: this error originates in the macro `$crate::__export::format_args` which comes from the expansion of the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Animals` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/lib.rs:51:21
[INFO] [stdout]    |
[INFO] [stdout] 51 | assert_eq!(format!("{bird}"), "bird 'Kesha'");
[INFO] [stdout]    |                     ^^^^^^ `Animals` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `std::fmt::Display` is not implemented for `Animals`
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | enum Animals {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: this error originates in the macro `$crate::__export::format_args` which comes from the expansion of the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 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 - (line 20)
[INFO] [stdout]     src/lib.rs - (line 31)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "40191b73f4f90664c7b73182a82bc43c1b493bef39d380c89d33cc60a34b5b3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40191b73f4f90664c7b73182a82bc43c1b493bef39d380c89d33cc60a34b5b3d", kill_on_drop: false }`
[INFO] [stdout] 40191b73f4f90664c7b73182a82bc43c1b493bef39d380c89d33cc60a34b5b3d
