[INFO] fetching crate fmttools 0.2.2... [INFO] testing fmttools-0.2.2 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate fmttools 0.2.2 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate fmttools 0.2.2 [INFO] finished tweaking crates.io crate fmttools 0.2.2 [INFO] tweaked toml for crates.io crate fmttools 0.2.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate fmttools 0.2.2 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] [stderr] Updating crates.io index [INFO] [stderr] Locking 81 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.5.1 (available: v0.7.0) [INFO] [stderr] Adding itertools v0.12.1 (available: v0.14.0) [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [INFO] [stderr] Adding rand_chacha v0.3.1 (available: v0.9.0) [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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7e2578e54389e5798ccdea1d51f38accce3bc838b51d3b7c5270779fb5f35022 [INFO] running `Command { std: "docker" "start" "-a" "7e2578e54389e5798ccdea1d51f38accce3bc838b51d3b7c5270779fb5f35022", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7e2578e54389e5798ccdea1d51f38accce3bc838b51d3b7c5270779fb5f35022", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e2578e54389e5798ccdea1d51f38accce3bc838b51d3b7c5270779fb5f35022", kill_on_drop: false }` [INFO] [stdout] 7e2578e54389e5798ccdea1d51f38accce3bc838b51d3b7c5270779fb5f35022 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d9216243ff728259cff8e240184002c32211581f68fcff685fdd5badc0d8742d [INFO] running `Command { std: "docker" "start" "-a" "d9216243ff728259cff8e240184002c32211581f68fcff685fdd5badc0d8742d", kill_on_drop: false }` [INFO] [stderr] Compiling fmttools v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/join.rs:32:50 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn join(iter: I, separator: &str) -> Join { [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] 32 | pub fn join(iter: I, separator: &str) -> Join<'_, I::IntoIter> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/replace.rs:22:57 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn replace(value: T, pattern: P, replacement: &str) -> Replace { [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] 22 | pub fn replace(value: T, pattern: P, replacement: &str) -> Replace<'_, T, P> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s [INFO] running `Command { std: "docker" "inspect" "d9216243ff728259cff8e240184002c32211581f68fcff685fdd5badc0d8742d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9216243ff728259cff8e240184002c32211581f68fcff685fdd5badc0d8742d", kill_on_drop: false }` [INFO] [stdout] d9216243ff728259cff8e240184002c32211581f68fcff685fdd5badc0d8742d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6b2bda82d2aa9d66fdd9cd0a64102043131afe0cf0f7513caac3db1a413df245 [INFO] running `Command { std: "docker" "start" "-a" "6b2bda82d2aa9d66fdd9cd0a64102043131afe0cf0f7513caac3db1a413df245", kill_on_drop: false }` [INFO] [stderr] Compiling regex-automata v0.4.11 [INFO] [stderr] Compiling itertools v0.12.1 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/join.rs:32:50 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn join(iter: I, separator: &str) -> Join { [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] 32 | pub fn join(iter: I, separator: &str) -> Join<'_, I::IntoIter> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/replace.rs:22:57 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn replace(value: T, pattern: P, replacement: &str) -> Replace { [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] 22 | pub fn replace(value: T, pattern: P, replacement: &str) -> Replace<'_, T, P> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling ciborium v0.2.2 [INFO] [stderr] Compiling regex v1.11.3 [INFO] [stderr] Compiling criterion v0.5.1 [INFO] [stderr] Compiling fmttools v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/join.rs:32:50 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn join(iter: I, separator: &str) -> Join { [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] 32 | pub fn join(iter: I, separator: &str) -> Join<'_, I::IntoIter> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/replace.rs:22:57 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn replace(value: T, pattern: P, replacement: &str) -> Replace { [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] 22 | pub fn replace(value: T, pattern: P, replacement: &str) -> Replace<'_, T, P> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 9.70s [INFO] running `Command { std: "docker" "inspect" "6b2bda82d2aa9d66fdd9cd0a64102043131afe0cf0f7513caac3db1a413df245", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b2bda82d2aa9d66fdd9cd0a64102043131afe0cf0f7513caac3db1a413df245", kill_on_drop: false }` [INFO] [stdout] 6b2bda82d2aa9d66fdd9cd0a64102043131afe0cf0f7513caac3db1a413df245 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5547c7a04c3176f0c97b9537f9274ce43089feb037f59a9bd27747617c3c8995 [INFO] running `Command { std: "docker" "start" "-a" "5547c7a04c3176f0c97b9537f9274ce43089feb037f59a9bd27747617c3c8995", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/join.rs:32:50 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn join(iter: I, separator: &str) -> Join { [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] 32 | pub fn join(iter: I, separator: &str) -> Join<'_, I::IntoIter> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/replace.rs:22:57 [INFO] [stderr] | [INFO] [stderr] 22 | pub fn replace(value: T, pattern: P, replacement: &str) -> Replace { [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] 22 | pub fn replace(value: T, pattern: P, replacement: &str) -> Replace<'_, T, P> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `fmttools` (lib) generated 2 warnings (run `cargo fix --lib -p fmttools` to apply 2 suggestions) [INFO] [stderr] warning: `fmttools` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fmttools-019648c81bc2b7eb) [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test join::tests::join_debug ... ok [INFO] [stdout] test replace::tests::replace_2_letter_str ... ok [INFO] [stdout] test replace::tests::replace_char_complex ... ok [INFO] [stdout] test replace::tests::replace_5_letter_str ... ok [INFO] [stdout] test replace::tests::replace_char_simple ... ok [INFO] [stdout] test replace::tests::replace_empty_str ... ok [INFO] [stdout] test replace::tests::replace_char_same ... ok [INFO] [stdout] test replace::tests::replace_str_complex ... ok [INFO] [stdout] test replace::tests::replace_1_letter_str ... ok [INFO] [stdout] test replace::tests::replace_str_same ... ok [INFO] [stdout] test replace::tests::replace_str_with_backtrack ... ok [INFO] [stdout] test replace::tests::replace_str_with_backtrack_2 ... ok [INFO] [stdout] test join::tests::join_display ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests fmttools [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test src/join.rs - join::join (line 22) ... ok [INFO] [stdout] test src/join.rs - join::join_fmt (line 95) ... ok [INFO] [stdout] test src/lib.rs - (line 7) ... ok [INFO] [stdout] test src/lib.rs - (line 35) ... ok [INFO] [stdout] test src/lib.rs - (line 16) ... ok [INFO] [stdout] test src/fmt_with.rs - fmt_with (line 4) ... ok [INFO] [stdout] test src/join.rs - join::join_fmt_all (line 176) ... ok [INFO] [stdout] test src/replace.rs - replace::replace (line 6) ... ok [INFO] [stdout] test src/join.rs - join::join (line 12) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.72s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5547c7a04c3176f0c97b9537f9274ce43089feb037f59a9bd27747617c3c8995", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5547c7a04c3176f0c97b9537f9274ce43089feb037f59a9bd27747617c3c8995", kill_on_drop: false }` [INFO] [stdout] 5547c7a04c3176f0c97b9537f9274ce43089feb037f59a9bd27747617c3c8995