[INFO] fetching crate flat_string 1.0.1... [INFO] testing flat_string-1.0.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate flat_string 1.0.1 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate flat_string 1.0.1 [INFO] finished tweaking crates.io crate flat_string 1.0.1 [INFO] tweaked toml for crates.io crate flat_string 1.0.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate flat_string 1.0.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c8b779a1c2a1e47ce4a9792255ea7cdab8f54fc246e1a38245ee4c2ed15b1dcf [INFO] running `Command { std: "docker" "start" "-a" "c8b779a1c2a1e47ce4a9792255ea7cdab8f54fc246e1a38245ee4c2ed15b1dcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c8b779a1c2a1e47ce4a9792255ea7cdab8f54fc246e1a38245ee4c2ed15b1dcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8b779a1c2a1e47ce4a9792255ea7cdab8f54fc246e1a38245ee4c2ed15b1dcf", kill_on_drop: false }` [INFO] [stdout] c8b779a1c2a1e47ce4a9792255ea7cdab8f54fc246e1a38245ee4c2ed15b1dcf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2ae0e30b969a16750a2d149f318a80d619dc132129ab07a6c03d92f3325a8ef3 [INFO] running `Command { std: "docker" "start" "-a" "2ae0e30b969a16750a2d149f318a80d619dc132129ab07a6c03d92f3325a8ef3", kill_on_drop: false }` [INFO] [stderr] Compiling flat_string v1.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "2ae0e30b969a16750a2d149f318a80d619dc132129ab07a6c03d92f3325a8ef3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ae0e30b969a16750a2d149f318a80d619dc132129ab07a6c03d92f3325a8ef3", kill_on_drop: false }` [INFO] [stdout] 2ae0e30b969a16750a2d149f318a80d619dc132129ab07a6c03d92f3325a8ef3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b3b8c3289fb9d33986b815a0047505311a0411b45c27cda0f6b9123fc650c409 [INFO] running `Command { std: "docker" "start" "-a" "b3b8c3289fb9d33986b815a0047505311a0411b45c27cda0f6b9123fc650c409", kill_on_drop: false }` [INFO] [stderr] Compiling flat_string v1.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `Command { std: "docker" "inspect" "b3b8c3289fb9d33986b815a0047505311a0411b45c27cda0f6b9123fc650c409", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3b8c3289fb9d33986b815a0047505311a0411b45c27cda0f6b9123fc650c409", kill_on_drop: false }` [INFO] [stdout] b3b8c3289fb9d33986b815a0047505311a0411b45c27cda0f6b9123fc650c409 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ff81c3b6e8f8c381adc5833297813e1bab86bcef6706774e7ea3924540cbbe01 [INFO] running `Command { std: "docker" "start" "-a" "ff81c3b6e8f8c381adc5833297813e1bab86bcef6706774e7ea3924540cbbe01", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flat_string-74b12b9a04516550) [INFO] [stdout] [INFO] [stdout] running 36 tests [INFO] [stdout] test tests::check_copy ... ok [INFO] [stdout] test tests::check_create_empty ... ok [INFO] [stdout] test tests::check_create_with_large_str ... ok [INFO] [stdout] test tests::check_clear ... ok [INFO] [stdout] test tests::check_clone ... ok [INFO] [stdout] test tests::check_create_with_str ... ok [INFO] [stdout] test tests::check_create_with_unicode_string_that_does_not_fit ... ok [INFO] [stdout] test tests::check_create_with_unicode_string_that_fits ... ok [INFO] [stdout] test tests::check_deref_from_str ... ok [INFO] [stdout] test tests::check_display ... ok [INFO] [stdout] test tests::check_insert_char ... ok [INFO] [stdout] test tests::check_insert_middle_exact_size ... ok [INFO] [stdout] test tests::check_insert_middle_exceeding_size ... ok [INFO] [stdout] test tests::check_insert_unicode_add_last_not_fitting ... ok [INFO] [stdout] test tests::check_insert_middle_no_size_exceed ... ok [INFO] [stdout] test tests::check_insert_middle_unicode ... ok [INFO] [stdout] test tests::check_insert_unicode_last ... ok [INFO] [stdout] test tests::check_insert_unicode_last_not_fitting ... ok [INFO] [stdout] test tests::check_insert_start_no_size_exceed ... ok [INFO] [stdout] test tests::check_remove ... ok [INFO] [stdout] test tests::check_insert_unicode_start ... ok [INFO] [stdout] test tests::check_memory_size ... ok [INFO] [stdout] test tests::check_pop ... ok [INFO] [stdout] test tests::check_push_char ... ok [INFO] [stdout] test tests::check_push_str ... ok [INFO] [stdout] test tests::check_set ... ok [INFO] [stdout] test tests::check_set_partial ... ok [INFO] [stdout] test tests::check_try_push_str ... ok [INFO] [stdout] test tests::check_with_default_size ... ok [INFO] [stdout] test tests::check_truncate ... ok [INFO] [stdout] test tests::check_try_push_char ... ok [INFO] [stdout] test tests::check_insert_char_panic_middle_char - should panic ... ok [INFO] [stdout] test tests::check_insert_char_panic_idx - should panic ... ok [INFO] [stdout] test tests::check_remove_panic_middle - should panic ... ok [INFO] [stdout] test tests::check_remove_panic_idx - should panic ... ok [INFO] [stdout] test tests::check_truncate_panic - should panic ... ok [INFO] [stdout] [INFO] [stderr] Doc-tests flat_string [INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test src/lib.rs - FlatString::from_str (line 40) ... ok [INFO] [stdout] test src/lib.rs - FlatString::push_str (line 117) ... ok [INFO] [stdout] test src/lib.rs - FlatString::set (line 190) ... ok [INFO] [stdout] test src/lib.rs - FlatString::new (line 19) ... ok [INFO] [stdout] test src/lib.rs - FlatString::try_push_str (line 148) ... ok [INFO] [stdout] test src/lib.rs - FlatString::as_str (line 204) ... ok [INFO] [stdout] test src/lib.rs - FlatString::push (line 134) ... ok [INFO] [stdout] test src/lib.rs - FlatString::try_push (line 167) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ff81c3b6e8f8c381adc5833297813e1bab86bcef6706774e7ea3924540cbbe01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff81c3b6e8f8c381adc5833297813e1bab86bcef6706774e7ea3924540cbbe01", kill_on_drop: false }` [INFO] [stdout] ff81c3b6e8f8c381adc5833297813e1bab86bcef6706774e7ea3924540cbbe01