[INFO] fetching crate cbsk_mut_data 2.1.2...
[INFO] testing cbsk_mut_data-2.1.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate cbsk_mut_data 2.1.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate cbsk_mut_data 2.1.2
[INFO] finished tweaking crates.io crate cbsk_mut_data 2.1.2
[INFO] tweaked toml for crates.io crate cbsk_mut_data 2.1.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cbsk_mut_data 2.1.2 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] crate crates.io crate cbsk_mut_data 2.1.2 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] fc711c1352fa98091c8607c77404958a5788df7345b5e31031d72d80dabdb120
[INFO] running `Command { std: "docker" "start" "-a" "fc711c1352fa98091c8607c77404958a5788df7345b5e31031d72d80dabdb120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc711c1352fa98091c8607c77404958a5788df7345b5e31031d72d80dabdb120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc711c1352fa98091c8607c77404958a5788df7345b5e31031d72d80dabdb120", kill_on_drop: false }`
[INFO] [stdout] fc711c1352fa98091c8607c77404958a5788df7345b5e31031d72d80dabdb120
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1e42d99e8ed34c40a8a38f1fbd9d038f48367f89fe634a90cddb0cd8689c054e
[INFO] running `Command { std: "docker" "start" "-a" "1e42d99e8ed34c40a8a38f1fbd9d038f48367f89fe634a90cddb0cd8689c054e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cbsk_mut_data v2.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/mut_data_vec.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn drain(&self, range: impl RangeBounds<usize>) -> Drain<T> {
[INFO] [stdout]    |                  ^^^^^ the lifetime is elided here         ^^^^^^^^ the same lifetime is hidden 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] 35 |     pub fn drain(&self, range: impl RangeBounds<usize>) -> Drain<'_, T> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/mut_data_hash_map.rs:33:18
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn entry(&self, key: K) -> Entry<K, V> {
[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] 33 |     pub fn entry(&self, key: K) -> Entry<'_, K, V> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "1e42d99e8ed34c40a8a38f1fbd9d038f48367f89fe634a90cddb0cd8689c054e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e42d99e8ed34c40a8a38f1fbd9d038f48367f89fe634a90cddb0cd8689c054e", kill_on_drop: false }`
[INFO] [stdout] 1e42d99e8ed34c40a8a38f1fbd9d038f48367f89fe634a90cddb0cd8689c054e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ea10ddab89025853995068219e9aff07a4d9571f6f34379df6be714d671e5442
[INFO] running `Command { std: "docker" "start" "-a" "ea10ddab89025853995068219e9aff07a4d9571f6f34379df6be714d671e5442", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/mut_data_vec.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn drain(&self, range: impl RangeBounds<usize>) -> Drain<T> {
[INFO] [stdout]    |                  ^^^^^ the lifetime is elided here         ^^^^^^^^ the same lifetime is hidden 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] 35 |     pub fn drain(&self, range: impl RangeBounds<usize>) -> Drain<'_, T> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/mut_data_hash_map.rs:33:18
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn entry(&self, key: K) -> Entry<K, V> {
[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] 33 |     pub fn entry(&self, key: K) -> Entry<'_, K, V> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cbsk_mut_data v2.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/mut_data_vec.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn drain(&self, range: impl RangeBounds<usize>) -> Drain<T> {
[INFO] [stdout]    |                  ^^^^^ the lifetime is elided here         ^^^^^^^^ the same lifetime is hidden 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] 35 |     pub fn drain(&self, range: impl RangeBounds<usize>) -> Drain<'_, T> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/mut_data_hash_map.rs:33:18
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn entry(&self, key: K) -> Entry<K, V> {
[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] 33 |     pub fn entry(&self, key: K) -> Entry<'_, K, V> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "ea10ddab89025853995068219e9aff07a4d9571f6f34379df6be714d671e5442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea10ddab89025853995068219e9aff07a4d9571f6f34379df6be714d671e5442", kill_on_drop: false }`
[INFO] [stdout] ea10ddab89025853995068219e9aff07a4d9571f6f34379df6be714d671e5442
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2cc0754593662944f747fb6c430de29ce27c779d82ae076ce61ce9f6e19d60bd
[INFO] running `Command { std: "docker" "start" "-a" "2cc0754593662944f747fb6c430de29ce27c779d82ae076ce61ce9f6e19d60bd", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/mut_data_vec.rs:35:18
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn drain(&self, range: impl RangeBounds<usize>) -> Drain<T> {
[INFO] [stderr]    |                  ^^^^^ the lifetime is elided here         ^^^^^^^^ the same lifetime is hidden 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] 35 |     pub fn drain(&self, range: impl RangeBounds<usize>) -> Drain<'_, T> {
[INFO] [stderr]    |                                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/mut_data_hash_map.rs:33:18
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn entry(&self, key: K) -> Entry<K, V> {
[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] 33 |     pub fn entry(&self, key: K) -> Entry<'_, K, V> {
[INFO] [stderr]    |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: `cbsk_mut_data` (lib) generated 2 warnings (run `cargo fix --lib -p cbsk_mut_data` to apply 2 suggestions)
[INFO] [stderr] warning: `cbsk_mut_data` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cbsk_mut_data-c01bf5302c580e73)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cbsk_mut_data
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/mut_data_hash_map.rs - mut_data_hash_map::MutDataHashMap<K,V>::values_mut (line 80) ... FAILED
[INFO] [stdout] test src/mut_data_obj.rs - mut_data_obj::MutDataObj<T>::set (line 37) ... ok
[INFO] [stdout] test src/mut_data_vec.rs - mut_data_vec::MutDataVec<T>::iter_mut (line 67) ... FAILED
[INFO] [stdout] test src/mut_data_hash_map.rs - mut_data_hash_map::MutDataHashMap<K,V>::iter_mut (line 46) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/mut_data_hash_map.rs - mut_data_hash_map::MutDataHashMap<K,V>::values_mut (line 80) stdout ----
[INFO] [stdout] error[E0716]: temporary value dropped while borrowed
[INFO] [stdout]   --> src/mut_data_hash_map.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | let iter = map.as_mut().values_mut().map(MutDataRef::new_ref);
[INFO] [stdout]    |            ^^^^^^^^^^^^                                      - temporary value is freed at the end of this statement
[INFO] [stdout]    |            |
[INFO] [stdout]    |            creates a temporary value which is freed while still in use
[INFO] [stdout] 11 | iter.for_each(|v|{
[INFO] [stdout]    | ---- borrow later used here
[INFO] [stdout]    |
[INFO] [stdout] help: consider using a `let` binding to create a longer lived value
[INFO] [stdout]    |
[INFO] [stdout] 10 + let mut binding = map.as_mut();
[INFO] [stdout] 11 ~ let iter = binding.values_mut().map(MutDataRef::new_ref);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0716`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/mut_data_vec.rs - mut_data_vec::MutDataVec<T>::iter_mut (line 67) stdout ----
[INFO] [stdout] error[E0716]: temporary value dropped while borrowed
[INFO] [stdout]   --> src/mut_data_vec.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | let iter = list.as_mut().iter_mut()
[INFO] [stdout]    |            ^^^^^^^^^^^^^ creates a temporary value which is freed while still in use
[INFO] [stdout] 10 |                 .map(MutDataRef::new_ref);
[INFO] [stdout]    |                                          - temporary value is freed at the end of this statement
[INFO] [stdout] 11 |
[INFO] [stdout] 12 | iter.for_each(|l|{
[INFO] [stdout]    | ---- borrow later used here
[INFO] [stdout]    |
[INFO] [stdout] help: consider using a `let` binding to create a longer lived value
[INFO] [stdout]    |
[INFO] [stdout]  9 + let mut binding = list.as_mut();
[INFO] [stdout] 10 ~ let iter = binding.iter_mut()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0716`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/mut_data_hash_map.rs - mut_data_hash_map::MutDataHashMap<K,V>::values_mut (line 80)
[INFO] [stdout]     src/mut_data_vec.rs - mut_data_vec::MutDataVec<T>::iter_mut (line 67)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.40s; merged doctests compilation took 0.12s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "2cc0754593662944f747fb6c430de29ce27c779d82ae076ce61ce9f6e19d60bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cc0754593662944f747fb6c430de29ce27c779d82ae076ce61ce9f6e19d60bd", kill_on_drop: false }`
[INFO] [stdout] 2cc0754593662944f747fb6c430de29ce27c779d82ae076ce61ce9f6e19d60bd
