[INFO] fetching crate rformat 0.2.0... [INFO] testing rformat-0.2.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate rformat 0.2.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate rformat 0.2.0 [INFO] finished tweaking crates.io crate rformat 0.2.0 [INFO] tweaked toml for crates.io crate rformat 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rformat 0.2.0 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 rformat 0.2.0 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 052cc840b6541bab3be282f2a45702b96e6302d87673622be3269e2718706a3f [INFO] running `Command { std: "docker" "start" "-a" "052cc840b6541bab3be282f2a45702b96e6302d87673622be3269e2718706a3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "052cc840b6541bab3be282f2a45702b96e6302d87673622be3269e2718706a3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "052cc840b6541bab3be282f2a45702b96e6302d87673622be3269e2718706a3f", kill_on_drop: false }` [INFO] [stdout] 052cc840b6541bab3be282f2a45702b96e6302d87673622be3269e2718706a3f [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 69ebbabc035620b3401b0f06189578f42359550d8b6b68b31e939da8861f56eb [INFO] running `Command { std: "docker" "start" "-a" "69ebbabc035620b3401b0f06189578f42359550d8b6b68b31e939da8861f56eb", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-segmentation v1.12.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling syn v2.0.101 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling convert_case v0.8.0 [INFO] [stderr] Compiling thiserror-impl v2.0.12 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling trait_mux_macros v0.3.2 [INFO] [stderr] Compiling thiserror v2.0.12 [INFO] [stderr] Compiling trait_mux v0.3.2 [INFO] [stderr] Compiling rformat v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/fmt/format.rs:417:25 [INFO] [stdout] | [INFO] [stdout] 417 | fn parse_format(format: &str) -> Result { [INFO] [stdout] | ^^^^ ^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 417 | fn parse_format(format: &str) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/format_spec.rs:129:39 [INFO] [stdout] | [INFO] [stdout] 129 | pub fn parse_format_spec(format_spec: &str) -> Result { [INFO] [stdout] | ^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 129 | pub fn parse_format_spec(format_spec: &str) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/format_spec.rs:316:19 [INFO] [stdout] | [INFO] [stdout] 316 | fn parse_type(ty: &str) -> Result { [INFO] [stdout] | ^^^^ ^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 316 | fn parse_type(ty: &str) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.82s [INFO] running `Command { std: "docker" "inspect" "69ebbabc035620b3401b0f06189578f42359550d8b6b68b31e939da8861f56eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69ebbabc035620b3401b0f06189578f42359550d8b6b68b31e939da8861f56eb", kill_on_drop: false }` [INFO] [stdout] 69ebbabc035620b3401b0f06189578f42359550d8b6b68b31e939da8861f56eb [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 11a59ca97d3ce52f863eaabac2b70410b827a047f3123e4bd64ebdec0a0f9ed1 [INFO] running `Command { std: "docker" "start" "-a" "11a59ca97d3ce52f863eaabac2b70410b827a047f3123e4bd64ebdec0a0f9ed1", kill_on_drop: false }` [INFO] [stderr] Compiling rformat v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/fmt/format.rs:417:25 [INFO] [stdout] | [INFO] [stdout] 417 | fn parse_format(format: &str) -> Result { [INFO] [stdout] | ^^^^ ^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 417 | fn parse_format(format: &str) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/format_spec.rs:129:39 [INFO] [stdout] | [INFO] [stdout] 129 | pub fn parse_format_spec(format_spec: &str) -> Result { [INFO] [stdout] | ^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 129 | pub fn parse_format_spec(format_spec: &str) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/format_spec.rs:316:19 [INFO] [stdout] | [INFO] [stdout] 316 | fn parse_type(ty: &str) -> Result { [INFO] [stdout] | ^^^^ ^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 316 | fn parse_type(ty: &str) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/fmt/format.rs:417:25 [INFO] [stdout] | [INFO] [stdout] 417 | fn parse_format(format: &str) -> Result { [INFO] [stdout] | ^^^^ ^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 417 | fn parse_format(format: &str) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/format_spec.rs:129:39 [INFO] [stdout] | [INFO] [stdout] 129 | pub fn parse_format_spec(format_spec: &str) -> Result { [INFO] [stdout] | ^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 129 | pub fn parse_format_spec(format_spec: &str) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/format_spec.rs:316:19 [INFO] [stdout] | [INFO] [stdout] 316 | fn parse_type(ty: &str) -> Result { [INFO] [stdout] | ^^^^ ^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 316 | fn parse_type(ty: &str) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 3.34s [INFO] running `Command { std: "docker" "inspect" "11a59ca97d3ce52f863eaabac2b70410b827a047f3123e4bd64ebdec0a0f9ed1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11a59ca97d3ce52f863eaabac2b70410b827a047f3123e4bd64ebdec0a0f9ed1", kill_on_drop: false }` [INFO] [stdout] 11a59ca97d3ce52f863eaabac2b70410b827a047f3123e4bd64ebdec0a0f9ed1 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5085034c31f6abbc671776800f83c2472b07a12c341db4daf5ac2bd2b8f4f817 [INFO] running `Command { std: "docker" "start" "-a" "5085034c31f6abbc671776800f83c2472b07a12c341db4daf5ac2bd2b8f4f817", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/fmt/format.rs:417:25 [INFO] [stderr] | [INFO] [stderr] 417 | fn parse_format(format: &str) -> Result { [INFO] [stderr] | ^^^^ ^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 417 | fn parse_format(format: &str) -> Result> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/format_spec.rs:129:39 [INFO] [stderr] | [INFO] [stderr] 129 | pub fn parse_format_spec(format_spec: &str) -> Result { [INFO] [stderr] | ^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 129 | pub fn parse_format_spec(format_spec: &str) -> Result> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/format_spec.rs:316:19 [INFO] [stderr] | [INFO] [stderr] 316 | fn parse_type(ty: &str) -> Result { [INFO] [stderr] | ^^^^ ^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 316 | fn parse_type(ty: &str) -> Result> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `rformat` (lib) generated 3 warnings (run `cargo fix --lib -p rformat` to apply 3 suggestions) [INFO] [stderr] warning: `rformat` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rformat-0f75167f4892e380) [INFO] [stdout] [INFO] [stdout] running 32 tests [INFO] [stdout] test fmt::format::tests::format_named_parameters ... ok [INFO] [stdout] test fmt::format::tests::format_positional_parameters ... ok [INFO] [stdout] test fmt::format::tests::format_precision ... ok [INFO] [stdout] test fmt::format::tests::format_width ... ok [INFO] [stdout] test fmt::format::tests::test_all_format_types ... ok [INFO] [stdout] test fmt::format::tests::test_alternate_forms ... ok [INFO] [stdout] test fmt::format::tests::test_complex_combinations ... ok [INFO] [stdout] test fmt::format::tests::test_alignment_specifications ... ok [INFO] [stdout] test fmt::format::tests::test_custom ... ok [INFO] [stdout] test fmt::format::tests::test_custom_notimplemented ... ok [INFO] [stdout] test fmt::format::tests::format_parameters ... ok [INFO] [stdout] test fmt::format::tests::test_debug_formatting ... ok [INFO] [stdout] test fmt::format::tests::test_custom_unsupported ... ok [INFO] [stdout] test fmt::format::tests::test_fill_character ... ok [INFO] [stdout] test fmt::format::tests::test_pointer ... ok [INFO] [stdout] test fmt::format::tests::test_format_errors ... ok [INFO] [stdout] test fmt::format::tests::test_sign_options ... ok [INFO] [stdout] test format_spec::tests::test_alternate_form ... ok [INFO] [stdout] test fmt::format::tests::test_nested_formats ... ok [INFO] [stdout] test fmt::format::tests::test_unicode_fill ... ok [INFO] [stdout] test format_spec::tests::test_empty_format_spec ... ok [INFO] [stdout] test format_spec::tests::test_precision ... ok [INFO] [stdout] test fmt::format::tests::test_precision_variations ... ok [INFO] [stdout] test format_spec::tests::test_sign ... ok [INFO] [stdout] test format_spec::tests::test_type ... ok [INFO] [stdout] test format_spec::tests::test_combined_format_specs ... ok [INFO] [stdout] test format_spec::tests::test_fill_and_align ... ok [INFO] [stdout] test format_spec::tests::test_width ... ok [INFO] [stdout] test format_spec::tests::test_zero_padding ... ok [INFO] [stdout] test fmt::format::tests::test_number_formatting ... ok [INFO] [stdout] test format_spec::tests::test_invalid_precision ... ok [INFO] [stdout] test fmt::format::tests::test_exception - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s [INFO] [stdout] [INFO] [stderr] Doc-tests rformat [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/prelude.rs - prelude::_rformat (line 11) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5085034c31f6abbc671776800f83c2472b07a12c341db4daf5ac2bd2b8f4f817", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5085034c31f6abbc671776800f83c2472b07a12c341db4daf5ac2bd2b8f4f817", kill_on_drop: false }` [INFO] [stdout] 5085034c31f6abbc671776800f83c2472b07a12c341db4daf5ac2bd2b8f4f817