[INFO] fetching crate socarel 0.4.0...
[INFO] testing socarel-0.4.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate socarel 0.4.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate socarel 0.4.0
[INFO] finished tweaking crates.io crate socarel 0.4.0
[INFO] tweaked toml for crates.io crate socarel 0.4.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate socarel 0.4.0 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 socarel 0.4.0 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-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] 9a40b5757f1b804896c692f4597ee01ad48068c210f0210645f251c5bc81f8b2
[INFO] running `Command { std: "docker" "start" "-a" "9a40b5757f1b804896c692f4597ee01ad48068c210f0210645f251c5bc81f8b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a40b5757f1b804896c692f4597ee01ad48068c210f0210645f251c5bc81f8b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a40b5757f1b804896c692f4597ee01ad48068c210f0210645f251c5bc81f8b2", kill_on_drop: false }`
[INFO] [stdout] 9a40b5757f1b804896c692f4597ee01ad48068c210f0210645f251c5bc81f8b2
[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] 636e26df2c0326559555f132167ff392202899d65792d511b98a7c20854b286d
[INFO] running `Command { std: "docker" "start" "-a" "636e26df2c0326559555f132167ff392202899d65792d511b98a7c20854b286d", kill_on_drop: false }`
[INFO] [stderr]    Compiling socarel v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree.rs:194:22
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn iterators(&self) -> IterInterface<T> {
[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] 194 |     pub fn iterators(&self) -> IterInterface<'_, T> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/forest.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn iter(&self) -> Iter<String, Tree<T>> {
[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] 112 |     pub fn iter(&self) -> Iter<'_, String, Tree<T>> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "636e26df2c0326559555f132167ff392202899d65792d511b98a7c20854b286d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "636e26df2c0326559555f132167ff392202899d65792d511b98a7c20854b286d", kill_on_drop: false }`
[INFO] [stdout] 636e26df2c0326559555f132167ff392202899d65792d511b98a7c20854b286d
[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] 3baa99ad0fcc79cf667ada37a82fdb1c8c41deee1d2981b30cd5aaa6f4fd0423
[INFO] running `Command { std: "docker" "start" "-a" "3baa99ad0fcc79cf667ada37a82fdb1c8c41deee1d2981b30cd5aaa6f4fd0423", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree.rs:194:22
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn iterators(&self) -> IterInterface<T> {
[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] 194 |     pub fn iterators(&self) -> IterInterface<'_, T> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling socarel v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/forest.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn iter(&self) -> Iter<String, Tree<T>> {
[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] 112 |     pub fn iter(&self) -> Iter<'_, String, Tree<T>> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree.rs:194:22
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn iterators(&self) -> IterInterface<T> {
[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] 194 |     pub fn iterators(&self) -> IterInterface<'_, T> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/forest.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn iter(&self) -> Iter<String, Tree<T>> {
[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] 112 |     pub fn iter(&self) -> Iter<'_, String, Tree<T>> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "3baa99ad0fcc79cf667ada37a82fdb1c8c41deee1d2981b30cd5aaa6f4fd0423", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3baa99ad0fcc79cf667ada37a82fdb1c8c41deee1d2981b30cd5aaa6f4fd0423", kill_on_drop: false }`
[INFO] [stdout] 3baa99ad0fcc79cf667ada37a82fdb1c8c41deee1d2981b30cd5aaa6f4fd0423
[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] 8e3826a0643cc3aa0c28d5d59cbaccd5e04e8abc06b27e6bf873e582edeb38f7
[INFO] running `Command { std: "docker" "start" "-a" "8e3826a0643cc3aa0c28d5d59cbaccd5e04e8abc06b27e6bf873e582edeb38f7", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/tree.rs:194:22
[INFO] [stderr]     |
[INFO] [stderr] 194 |     pub fn iterators(&self) -> IterInterface<T> {
[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] 194 |     pub fn iterators(&self) -> IterInterface<'_, T> {
[INFO] [stderr]     |                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/forest.rs:112:17
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn iter(&self) -> Iter<String, Tree<T>> {
[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] 112 |     pub fn iter(&self) -> Iter<'_, String, Tree<T>> {
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: `socarel` (lib) generated 2 warnings (run `cargo fix --lib -p socarel` to apply 2 suggestions)
[INFO] [stderr] warning: `socarel` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/socarel-f05b71c73fa4cecb)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::check_tree_integrity ... ok
[INFO] [stdout] test tests::check_custom_node_content ... ok
[INFO] [stdout] test tests::mutate_and_check_integrity ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/socarel-96d989fb112fe1b0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests socarel
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/lib.rs - (line 135) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - (line 149) ... ok
[INFO] [stdout] test src/lib.rs - (line 128) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] test src/lib.rs - (line 111) ... ok
[INFO] [stdout] test src/lib.rs - (line 142) ... ok
[INFO] [stdout] test src/lib.rs - (line 192) ... ok
[INFO] [stdout] test src/lib.rs - (line 62) ... ok
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] test src/lib.rs - (line 50) ... ok
[INFO] [stdout] test src/lib.rs - (line 41) ... ok
[INFO] [stdout] test src/lib.rs - (line 82) ... ok
[INFO] [stdout] test src/lib.rs - (line 93) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.32s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8e3826a0643cc3aa0c28d5d59cbaccd5e04e8abc06b27e6bf873e582edeb38f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e3826a0643cc3aa0c28d5d59cbaccd5e04e8abc06b27e6bf873e582edeb38f7", kill_on_drop: false }`
[INFO] [stdout] 8e3826a0643cc3aa0c28d5d59cbaccd5e04e8abc06b27e6bf873e582edeb38f7