[INFO] fetching crate mytrie 0.2.2... [INFO] testing mytrie-0.2.2 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate mytrie 0.2.2 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate mytrie 0.2.2 [INFO] finished tweaking crates.io crate mytrie 0.2.2 [INFO] tweaked toml for crates.io crate mytrie 0.2.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mytrie 0.2.2 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mytrie 0.2.2 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 25d3552aa06c055f20f7126ed4b69f1df4d9644d966eb758eef254f895fcfffd [INFO] running `Command { std: "docker" "start" "-a" "25d3552aa06c055f20f7126ed4b69f1df4d9644d966eb758eef254f895fcfffd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "25d3552aa06c055f20f7126ed4b69f1df4d9644d966eb758eef254f895fcfffd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25d3552aa06c055f20f7126ed4b69f1df4d9644d966eb758eef254f895fcfffd", kill_on_drop: false }` [INFO] [stdout] 25d3552aa06c055f20f7126ed4b69f1df4d9644d966eb758eef254f895fcfffd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a9c357b2fc2a96b56ff60219059ea8e4d0deb0df46ca4a6871c62ccddab7e58a [INFO] running `Command { std: "docker" "start" "-a" "a9c357b2fc2a96b56ff60219059ea8e4d0deb0df46ca4a6871c62ccddab7e58a", kill_on_drop: false }` [INFO] [stderr] Compiling mytrie v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/node.rs:39:25 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn iter_content(&self) -> ChildIter { [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] 39 | pub fn iter_content(&self) -> ChildIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/node.rs:86:18 [INFO] [stdout] | [INFO] [stdout] 86 | fn new(node: &TrieNode) -> ChildIter { [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] 86 | fn new(node: &TrieNode) -> ChildIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `Command { std: "docker" "inspect" "a9c357b2fc2a96b56ff60219059ea8e4d0deb0df46ca4a6871c62ccddab7e58a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9c357b2fc2a96b56ff60219059ea8e4d0deb0df46ca4a6871c62ccddab7e58a", kill_on_drop: false }` [INFO] [stdout] a9c357b2fc2a96b56ff60219059ea8e4d0deb0df46ca4a6871c62ccddab7e58a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1be99757bedd59407c20f6646624e1255cb2577b5c93bd43eedddaa502c160e5 [INFO] running `Command { std: "docker" "start" "-a" "1be99757bedd59407c20f6646624e1255cb2577b5c93bd43eedddaa502c160e5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/node.rs:39:25 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn iter_content(&self) -> ChildIter { [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] 39 | pub fn iter_content(&self) -> ChildIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/node.rs:86:18 [INFO] [stdout] | [INFO] [stdout] 86 | fn new(node: &TrieNode) -> ChildIter { [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] 86 | fn new(node: &TrieNode) -> ChildIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling getrandom v0.2.8 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling mytrie v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/node.rs:39:25 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn iter_content(&self) -> ChildIter { [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] 39 | pub fn iter_content(&self) -> ChildIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/node.rs:86:18 [INFO] [stdout] | [INFO] [stdout] 86 | fn new(node: &TrieNode) -> ChildIter { [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] 86 | fn new(node: &TrieNode) -> ChildIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 4.58s [INFO] running `Command { std: "docker" "inspect" "1be99757bedd59407c20f6646624e1255cb2577b5c93bd43eedddaa502c160e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1be99757bedd59407c20f6646624e1255cb2577b5c93bd43eedddaa502c160e5", kill_on_drop: false }` [INFO] [stdout] 1be99757bedd59407c20f6646624e1255cb2577b5c93bd43eedddaa502c160e5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6e27ce806aa07c8279b8ef412d0e744e0d1c35a605adb765b98c7d03fbd63aa2 [INFO] running `Command { std: "docker" "start" "-a" "6e27ce806aa07c8279b8ef412d0e744e0d1c35a605adb765b98c7d03fbd63aa2", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/node.rs:39:25 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn iter_content(&self) -> ChildIter { [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] 39 | pub fn iter_content(&self) -> ChildIter<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/node.rs:86:18 [INFO] [stderr] | [INFO] [stderr] 86 | fn new(node: &TrieNode) -> ChildIter { [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] 86 | fn new(node: &TrieNode) -> ChildIter<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `mytrie` (lib) generated 2 warnings (run `cargo fix --lib -p mytrie` to apply 2 suggestions) [INFO] [stderr] warning: `mytrie` (lib test) generated 2 warnings (2 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/mytrie-5a95a257d97cde7b) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test tests::from_iter ... ok [INFO] [stdout] test tests::prefix_query ... ok [INFO] [stdout] test tests::remove_long ... ok [INFO] [stdout] test tests::insert ... ok [INFO] [stdout] test tests::remove_nonexistent - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [INFO] [stderr] Doc-tests mytrie [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test src/trie.rs - trie::Trie::from (line 26) ... ok [INFO] [stdout] test src/trie.rs - trie::Trie::contains_prefix (line 114) ... ok [INFO] [stdout] test src/trie.rs - trie::Trie::is_empty (line 144) ... ok [INFO] [stdout] test src/trie.rs - trie::Trie::contains (line 129) ... ok [INFO] [stdout] test src/trie.rs - trie::Trie::iter_suffixes (line 58) ... ok [INFO] [stdout] test src/trie.rs - trie::Trie (line 12) ... ok [INFO] [stdout] test src/trie.rs - trie::Trie::insert (line 42) ... ok [INFO] [stdout] test src/trie.rs - trie::Trie::remove (line 100) ... ok [INFO] [stdout] test src/trie.rs - trie::Trie::iter_content (line 80) ... ok [INFO] [stdout] test src/trie.rs - trie::Trie::remove_suffixes (line 162) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.90s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6e27ce806aa07c8279b8ef412d0e744e0d1c35a605adb765b98c7d03fbd63aa2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e27ce806aa07c8279b8ef412d0e744e0d1c35a605adb765b98c7d03fbd63aa2", kill_on_drop: false }` [INFO] [stdout] 6e27ce806aa07c8279b8ef412d0e744e0d1c35a605adb765b98c7d03fbd63aa2