[INFO] fetching crate macron-impl-display 0.1.1... [INFO] testing macron-impl-display-0.1.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate macron-impl-display 0.1.1 into /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate macron-impl-display 0.1.1 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6c4f406bdc745b8332eb65495b285d4c5b76989be978a7427cb650b03c0470ed [INFO] running `Command { std: "docker" "start" "-a" "6c4f406bdc745b8332eb65495b285d4c5b76989be978a7427cb650b03c0470ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6c4f406bdc745b8332eb65495b285d4c5b76989be978a7427cb650b03c0470ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c4f406bdc745b8332eb65495b285d4c5b76989be978a7427cb650b03c0470ed", kill_on_drop: false }` [INFO] [stdout] 6c4f406bdc745b8332eb65495b285d4c5b76989be978a7427cb650b03c0470ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 071cac0bc237f62aa4c970a82ee627c1993b4c449ddeb8cb0262996a85ed043f [INFO] running `Command { std: "docker" "start" "-a" "071cac0bc237f62aa4c970a82ee627c1993b4c449ddeb8cb0262996a85ed043f", kill_on_drop: false }` [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 2.99s [INFO] running `Command { std: "docker" "inspect" "071cac0bc237f62aa4c970a82ee627c1993b4c449ddeb8cb0262996a85ed043f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "071cac0bc237f62aa4c970a82ee627c1993b4c449ddeb8cb0262996a85ed043f", kill_on_drop: false }` [INFO] [stdout] 071cac0bc237f62aa4c970a82ee627c1993b4c449ddeb8cb0262996a85ed043f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9e562faec683bcb67ce904f88486e331f0c037d6ac239401ebb989a0d6608deb [INFO] running `Command { std: "docker" "start" "-a" "9e562faec683bcb67ce904f88486e331f0c037d6ac239401ebb989a0d6608deb", 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 4.50s [INFO] running `Command { std: "docker" "inspect" "9e562faec683bcb67ce904f88486e331f0c037d6ac239401ebb989a0d6608deb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e562faec683bcb67ce904f88486e331f0c037d6ac239401ebb989a0d6608deb", kill_on_drop: false }` [INFO] [stdout] 9e562faec683bcb67ce904f88486e331f0c037d6ac239401ebb989a0d6608deb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3accd86abc612fbb58b1087aec0fd7a56fc6249b860b89551d16584a889179ad [INFO] running `Command { std: "docker" "start" "-a" "3accd86abc612fbb58b1087aec0fd7a56fc6249b860b89551d16584a889179ad", 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-3e91532a9d02fda4) [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-793e160e4d040f0b) [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 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests macron_impl_display [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - (line 31) ... FAILED [INFO] [stdout] test src/lib.rs - (line 20) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [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] 3 | #[derive(Display)] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: consider importing this derive macro [INFO] [stdout] | [INFO] [stdout] 2 + 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] 5 | #[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] 8 | #[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] 11 | #[display = "bird '{name}'"] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] error[E0277]: `Animals` doesn't implement `std::fmt::Display` [INFO] [stdout] --> src/lib.rs:45:22 [INFO] [stdout] | [INFO] [stdout] 16 | assert_eq!(format!("{dog}"), "it's a dog"); [INFO] [stdout] | -^^^- [INFO] [stdout] | || [INFO] [stdout] | |`Animals` cannot be formatted with the default formatter [INFO] [stdout] | required by this formatting parameter [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] 4 | 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 `$crate::__export::format_args` which comes from the expansion of the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] error[E0277]: `Animals` doesn't implement `std::fmt::Display` [INFO] [stdout] --> src/lib.rs:48:22 [INFO] [stdout] | [INFO] [stdout] 19 | assert_eq!(format!("{cat}"), "cat 'Tomas'"); [INFO] [stdout] | -^^^- [INFO] [stdout] | || [INFO] [stdout] | |`Animals` cannot be formatted with the default formatter [INFO] [stdout] | required by this formatting parameter [INFO] [stdout] | [INFO] [stdout] help: the trait `std::fmt::Display` is not implemented for `Animals` [INFO] [stdout] --> src/lib.rs:33:1 [INFO] [stdout] | [INFO] [stdout] 4 | enum Animals { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead [INFO] [stdout] = note: this error originates in the macro `$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:51:22 [INFO] [stdout] | [INFO] [stdout] 22 | assert_eq!(format!("{bird}"), "bird 'Kesha'"); [INFO] [stdout] | -^^^^- [INFO] [stdout] | || [INFO] [stdout] | |`Animals` cannot be formatted with the default formatter [INFO] [stdout] | required by this formatting parameter [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] 4 | 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 `$crate::__export::format_args` which comes from the expansion of the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] error: aborting due to 7 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - (line 20) stdout ---- [INFO] [stdout] error: cannot find derive macro `Display` in this scope [INFO] [stdout] --> src/lib.rs:21:10 [INFO] [stdout] | [INFO] [stdout] 3 | #[derive(Display)] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: consider importing this derive macro [INFO] [stdout] | [INFO] [stdout] 2 + use macron_impl_display::Display; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `display` in this scope [INFO] [stdout] --> src/lib.rs:22:3 [INFO] [stdout] | [INFO] [stdout] 4 | #[display = "Hello, {name}!"] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] error[E0277]: `Hello` doesn't implement `std::fmt::Display` [INFO] [stdout] --> src/lib.rs:29:22 [INFO] [stdout] | [INFO] [stdout] 11 | assert_eq!(format!("{hello}"), "Hello, World!"); [INFO] [stdout] | -^^^^^- [INFO] [stdout] | || [INFO] [stdout] | |`Hello` cannot be formatted with the default formatter [INFO] [stdout] | required by this formatting parameter [INFO] [stdout] | [INFO] [stdout] help: the trait `std::fmt::Display` is not implemented for `Hello` [INFO] [stdout] --> src/lib.rs:23:1 [INFO] [stdout] | [INFO] [stdout] 5 | struct Hello { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead [INFO] [stdout] = note: this error originates in the macro `$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] [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 0.38s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "3accd86abc612fbb58b1087aec0fd7a56fc6249b860b89551d16584a889179ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3accd86abc612fbb58b1087aec0fd7a56fc6249b860b89551d16584a889179ad", kill_on_drop: false }` [INFO] [stdout] 3accd86abc612fbb58b1087aec0fd7a56fc6249b860b89551d16584a889179ad