[INFO] fetching crate true_crab_utils 0.1.1...
[INFO] testing true_crab_utils-0.1.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate true_crab_utils 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate true_crab_utils 0.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate true_crab_utils 0.1.1
[INFO] tweaked toml for crates.io crate true_crab_utils 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate true_crab_utils 0.1.1 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 true_crab_utils 0.1.1 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-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] 53428957e6a9a15f0c81319b21543d53aa74a933a93448f098acf6b0575dde82
[INFO] running `Command { std: "docker" "start" "-a" "53428957e6a9a15f0c81319b21543d53aa74a933a93448f098acf6b0575dde82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53428957e6a9a15f0c81319b21543d53aa74a933a93448f098acf6b0575dde82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53428957e6a9a15f0c81319b21543d53aa74a933a93448f098acf6b0575dde82", kill_on_drop: false }`
[INFO] [stdout] 53428957e6a9a15f0c81319b21543d53aa74a933a93448f098acf6b0575dde82
[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] efc1fa69dd0cd2e647ed155a0664af023d43dee9684a2f336e2a9fe2372d6f1f
[INFO] running `Command { std: "docker" "start" "-a" "efc1fa69dd0cd2e647ed155a0664af023d43dee9684a2f336e2a9fe2372d6f1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling either v1.14.0
[INFO] [stderr]    Compiling serde_json v1.0.139
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling ryu v1.0.19
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling oorandom v11.1.4
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling clap_builder v4.5.31
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling is-terminal v0.4.15
[INFO] [stderr]    Compiling clap v4.5.31
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling true_crab_utils v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.18s
[INFO] running `Command { std: "docker" "inspect" "efc1fa69dd0cd2e647ed155a0664af023d43dee9684a2f336e2a9fe2372d6f1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efc1fa69dd0cd2e647ed155a0664af023d43dee9684a2f336e2a9fe2372d6f1f", kill_on_drop: false }`
[INFO] [stdout] efc1fa69dd0cd2e647ed155a0664af023d43dee9684a2f336e2a9fe2372d6f1f
[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] d17875603a6aa8af5946f396b621c90fe759396729c50d0e2aa555f7befcd28f
[INFO] running `Command { std: "docker" "start" "-a" "d17875603a6aa8af5946f396b621c90fe759396729c50d0e2aa555f7befcd28f", kill_on_drop: false }`
[INFO] [stderr]    Compiling true_crab_utils v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "d17875603a6aa8af5946f396b621c90fe759396729c50d0e2aa555f7befcd28f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d17875603a6aa8af5946f396b621c90fe759396729c50d0e2aa555f7befcd28f", kill_on_drop: false }`
[INFO] [stdout] d17875603a6aa8af5946f396b621c90fe759396729c50d0e2aa555f7befcd28f
[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] 7e51a4c9e3e9d85cb0b0de78bae1a77fea0f0ae65238ecf15d87fa20c02b53ef
[INFO] running `Command { std: "docker" "start" "-a" "7e51a4c9e3e9d85cb0b0de78bae1a77fea0f0ae65238ecf15d87fa20c02b53ef", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/true_crab_utils-26ed85d4b2e8f028)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test data_structures::array::tests::test_merge ... ok
[INFO] [stdout] test data_structures::linked_list::tests::test_deletion ... ok
[INFO] [stdout] test data_structures::linked_list::tests::test_insertions ... ok
[INFO] [stdout] test data_structures::array::tests::test_traverse ... ok
[INFO] [stdout] test data_structures::array::tests::test_reverse ... ok
[INFO] [stdout] test data_structures::array::tests::test_insert_delete ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/example.rs (/opt/rustwide/target/debug/deps/example-b905772f17f6e062)
[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/integration_tests.rs (/opt/rustwide/target/debug/deps/integration_tests-f39946b41fcff977)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests true_crab_utils
[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] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/data_structures/linked_list.rs - data_structures::linked_list::LinkedList<T>::new (line 30) ... FAILED
[INFO] [stdout] test src/data_structures/linked_list.rs - data_structures::linked_list::LinkedList<T>::push_front (line 46) ... FAILED
[INFO] [stdout] test src/algorithms/search.rs - algorithms::search::binary_search (line 5) ... FAILED
[INFO] [stdout] test src/data_structures/array.rs - data_structures::array::merge_and_sort (line 66) ... FAILED
[INFO] [stdout] test src/data_structures/array.rs - data_structures::array::reverse (line 16) ... FAILED
[INFO] [stdout] test src/data_structures/array.rs - data_structures::array::delete (line 52) ... FAILED
[INFO] [stdout] test src/data_structures/array.rs - data_structures::array::insert (line 38) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/data_structures/linked_list.rs - data_structures::linked_list::LinkedList<T>::new (line 30) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: could not find `data_structures` in the list of imported crates
[INFO] [stdout]  --> src/data_structures/linked_list.rs:31:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ::data_structures::linked_list::LinkedList;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^ could not find `data_structures` in the list of imported crates
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/data_structures/linked_list.rs - data_structures::linked_list::LinkedList<T>::push_front (line 46) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LinkedList`
[INFO] [stdout]  --> src/data_structures/linked_list.rs:47:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut list = LinkedList::new();
[INFO] [stdout]   |                ^^^^^^^^^^ use of undeclared type `LinkedList`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::collections::LinkedList;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use true_crab_utils::data_structures::linked_list::LinkedList;
[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 E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/algorithms/search.rs - algorithms::search::binary_search (line 5) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `my_algorithms`
[INFO] [stdout]  --> src/algorithms/search.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use my_algorithms::algorithms::search::binary_search;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ use of unresolved module or unlinked crate `my_algorithms`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `my_algorithms`, use `cargo add my_algorithms` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/data_structures/array.rs - data_structures::array::merge_and_sort (line 66) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `delete` in this scope
[INFO] [stdout]  --> src/data_structures/array.rs:68:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | delete(&mut arr, 1);
[INFO] [stdout]   | ^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 + use true_crab_utils::data_structures::array::delete;
[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 E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/data_structures/array.rs - data_structures::array::reverse (line 16) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `traverse` in this scope
[INFO] [stdout]  --> src/data_structures/array.rs:19:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | traverse(&arr, |x| sum += x);
[INFO] [stdout]   | ^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 + use true_crab_utils::data_structures::array::traverse;
[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 E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/data_structures/array.rs - data_structures::array::delete (line 52) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `insert` in this scope
[INFO] [stdout]  --> src/data_structures/array.rs:54:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | insert(&mut arr, 100, 1);
[INFO] [stdout]   | ^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 + use true_crab_utils::data_structures::array::insert;
[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 E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/data_structures/array.rs - data_structures::array::insert (line 38) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `reverse` in this scope
[INFO] [stdout]  --> src/data_structures/array.rs:40:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | reverse(&mut arr);
[INFO] [stdout]   | ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 + use true_crab_utils::data_structures::array::reverse;
[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 E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/algorithms/search.rs - algorithms::search::binary_search (line 5)
[INFO] [stdout]     src/data_structures/array.rs - data_structures::array::delete (line 52)
[INFO] [stdout]     src/data_structures/array.rs - data_structures::array::insert (line 38)
[INFO] [stdout]     src/data_structures/array.rs - data_structures::array::merge_and_sort (line 66)
[INFO] [stdout]     src/data_structures/array.rs - data_structures::array::reverse (line 16)
[INFO] [stdout]     src/data_structures/linked_list.rs - data_structures::linked_list::LinkedList<T>::new (line 30)
[INFO] [stdout]     src/data_structures/linked_list.rs - data_structures::linked_list::LinkedList<T>::push_front (line 46)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 7 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "7e51a4c9e3e9d85cb0b0de78bae1a77fea0f0ae65238ecf15d87fa20c02b53ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e51a4c9e3e9d85cb0b0de78bae1a77fea0f0ae65238ecf15d87fa20c02b53ef", kill_on_drop: false }`
[INFO] [stdout] 7e51a4c9e3e9d85cb0b0de78bae1a77fea0f0ae65238ecf15d87fa20c02b53ef