[INFO] fetching crate jagged_array 0.2.4...
[INFO] testing jagged_array-0.2.4 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate jagged_array 0.2.4 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate jagged_array 0.2.4
[INFO] finished tweaking crates.io crate jagged_array 0.2.4
[INFO] tweaked toml for crates.io crate jagged_array 0.2.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jagged_array 0.2.4 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 23 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.3.23 (available: v0.9.2)
[INFO] [stderr]       Adding try_opt v0.1.1 (available: v0.2.0)
[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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5c77bdc720b492618b5d566d2a3950fe06a9c528d77dc8c25c420faf43955a2a
[INFO] running `Command { std: "docker" "start" "-a" "5c77bdc720b492618b5d566d2a3950fe06a9c528d77dc8c25c420faf43955a2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c77bdc720b492618b5d566d2a3950fe06a9c528d77dc8c25c420faf43955a2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c77bdc720b492618b5d566d2a3950fe06a9c528d77dc8c25c420faf43955a2a", kill_on_drop: false }`
[INFO] [stdout] 5c77bdc720b492618b5d566d2a3950fe06a9c528d77dc8c25c420faf43955a2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 91edd3fdb9a62b3d2cdc2eeefb923d9d87858a1f05129f1cafc5b87b5d5ea911
[INFO] running `Command { std: "docker" "start" "-a" "91edd3fdb9a62b3d2cdc2eeefb923d9d87858a1f05129f1cafc5b87b5d5ea911", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling streaming-iterator v0.1.9
[INFO] [stderr]    Compiling try_opt v0.1.1
[INFO] [stderr]    Compiling jagged_array v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 153 |             Box::from_raw(self.as_flat_slice_mut() as *mut [T]);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 153 |             let _ = Box::from_raw(self.as_flat_slice_mut() as *mut [T]);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "91edd3fdb9a62b3d2cdc2eeefb923d9d87858a1f05129f1cafc5b87b5d5ea911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91edd3fdb9a62b3d2cdc2eeefb923d9d87858a1f05129f1cafc5b87b5d5ea911", kill_on_drop: false }`
[INFO] [stdout] 91edd3fdb9a62b3d2cdc2eeefb923d9d87858a1f05129f1cafc5b87b5d5ea911
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 514843c8a921d7b9de177f369f3d395e4a0ac38440177c59b6d5aad6cbbddab7
[INFO] running `Command { std: "docker" "start" "-a" "514843c8a921d7b9de177f369f3d395e4a0ac38440177c59b6d5aad6cbbddab7", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 153 |             Box::from_raw(self.as_flat_slice_mut() as *mut [T]);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 153 |             let _ = Box::from_raw(self.as_flat_slice_mut() as *mut [T]);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling jagged_array v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> tests/jagged2.rs:71:24
[INFO] [stdout]    |
[INFO] [stdout] 71 |         (0..0).map(|_| (0..0))
[INFO] [stdout]    |                        ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 71 -         (0..0).map(|_| (0..0))
[INFO] [stdout] 71 +         (0..0).map(|_| 0..0)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 153 |             Box::from_raw(self.as_flat_slice_mut() as *mut [T]);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 153 |             let _ = Box::from_raw(self.as_flat_slice_mut() as *mut [T]);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.69s
[INFO] running `Command { std: "docker" "inspect" "514843c8a921d7b9de177f369f3d395e4a0ac38440177c59b6d5aad6cbbddab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "514843c8a921d7b9de177f369f3d395e4a0ac38440177c59b6d5aad6cbbddab7", kill_on_drop: false }`
[INFO] [stdout] 514843c8a921d7b9de177f369f3d395e4a0ac38440177c59b6d5aad6cbbddab7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 661074a256c3703adac4764ee1144b0b58dbbacec89a22a05c1063df209673bc
[INFO] running `Command { std: "docker" "start" "-a" "661074a256c3703adac4764ee1144b0b58dbbacec89a22a05c1063df209673bc", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stderr]    --> src/lib.rs:153:13
[INFO] [stderr]     |
[INFO] [stderr] 153 |             Box::from_raw(self.as_flat_slice_mut() as *mut [T]);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 153 |             let _ = Box::from_raw(self.as_flat_slice_mut() as *mut [T]);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `jagged_array` (lib) generated 1 warning
[INFO] [stderr] warning: `jagged_array` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> tests/jagged2.rs:71:24
[INFO] [stderr]    |
[INFO] [stderr] 71 |         (0..0).map(|_| (0..0))
[INFO] [stderr]    |                        ^    ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 71 -         (0..0).map(|_| (0..0))
[INFO] [stderr] 71 +         (0..0).map(|_| 0..0)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `jagged_array` (test "jagged2") generated 1 warning (run `cargo fix --test "jagged2"` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/jagged_array-366cd583308814a9)
[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]      Running tests/jagged2.rs (/opt/rustwide/target/debug/deps/jagged2-a41d837da14ebbd2)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stderr]    Doc-tests jagged_array
[INFO] [stdout] test test_clone_eq ... ok
[INFO] [stdout] test test_empty ... ok
[INFO] [stdout] test test_serde ... ok
[INFO] [stdout] test test_sized ... ok
[INFO] [stdout] test test_zero_sized ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 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 - Jagged2<T>::as_flat_slice (line 517) ... ok
[INFO] [stdout] test src/lib.rs - Jagged2Builder<T>::resize (line 705) ... ok
[INFO] [stdout] test src/lib.rs - Jagged2<T>::get_mut (line 453) ... ok
[INFO] [stdout] test src/lib.rs - Jagged2<T>::get_row (line 474) ... ok
[INFO] [stdout] test src/lib.rs - Jagged2<T>::len (line 599) ... ok
[INFO] [stdout] test src/lib.rs - Jagged2<T>::as_flat_slice_mut (line 539) ... ok
[INFO] [stdout] test src/lib.rs - Jagged2<T>::from_iter (line 195) ... ok
[INFO] [stdout] test src/lib.rs - Jagged2<T>::get (line 432) ... ok
[INFO] [stdout] test src/lib.rs - Jagged2<T>::flat_len (line 567) ... ok
[INFO] [stdout] test src/lib.rs - Jagged2<T>::stream (line 627) ... ok
[INFO] [stdout] test src/lib.rs - Jagged2Builder (line 93) ... ok
[INFO] [stdout] test src/lib.rs - Jagged2<T>::get_row_mut (line 494) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "661074a256c3703adac4764ee1144b0b58dbbacec89a22a05c1063df209673bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "661074a256c3703adac4764ee1144b0b58dbbacec89a22a05c1063df209673bc", kill_on_drop: false }`
[INFO] [stdout] 661074a256c3703adac4764ee1144b0b58dbbacec89a22a05c1063df209673bc