[INFO] fetching crate knaptime 0.0.4...
[INFO] testing knaptime-0.0.4 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate knaptime 0.0.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate knaptime 0.0.4
[INFO] finished tweaking crates.io crate knaptime 0.0.4
[INFO] tweaked toml for crates.io crate knaptime 0.0.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate knaptime 0.0.4 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "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-2026-03-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 535dc6cfde694bbaac630181cfa88c16af2687d366c019d95a1730c9b75396cc
[INFO] running `Command { std: "docker" "start" "-a" "535dc6cfde694bbaac630181cfa88c16af2687d366c019d95a1730c9b75396cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "535dc6cfde694bbaac630181cfa88c16af2687d366c019d95a1730c9b75396cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "535dc6cfde694bbaac630181cfa88c16af2687d366c019d95a1730c9b75396cc", kill_on_drop: false }`
[INFO] [stdout] 535dc6cfde694bbaac630181cfa88c16af2687d366c019d95a1730c9b75396cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33437a016e8d55730b98ef1d4ba17ba7e7d41750dde1b209bfa515542565692b
[INFO] running `Command { std: "docker" "start" "-a" "33437a016e8d55730b98ef1d4ba17ba7e7d41750dde1b209bfa515542565692b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling zerocopy v0.8.42
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling derive_arbitrary v1.4.2
[INFO] [stderr]    Compiling arbitrary v1.4.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling knaptime v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.31s
[INFO] running `Command { std: "docker" "inspect" "33437a016e8d55730b98ef1d4ba17ba7e7d41750dde1b209bfa515542565692b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33437a016e8d55730b98ef1d4ba17ba7e7d41750dde1b209bfa515542565692b", kill_on_drop: false }`
[INFO] [stdout] 33437a016e8d55730b98ef1d4ba17ba7e7d41750dde1b209bfa515542565692b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23315b4d390f0ae648bd1a0f0194e8205594083533799182d0580fc6d849fde1
[INFO] running `Command { std: "docker" "start" "-a" "23315b4d390f0ae648bd1a0f0194e8205594083533799182d0580fc6d849fde1", kill_on_drop: false }`
[INFO] [stderr]    Compiling knaptime v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "23315b4d390f0ae648bd1a0f0194e8205594083533799182d0580fc6d849fde1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23315b4d390f0ae648bd1a0f0194e8205594083533799182d0580fc6d849fde1", kill_on_drop: false }`
[INFO] [stdout] 23315b4d390f0ae648bd1a0f0194e8205594083533799182d0580fc6d849fde1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d1e868d972e0012921cd39a304fc064120c30e22371af57b6ad28947ecaceb76
[INFO] running `Command { std: "docker" "start" "-a" "d1e868d972e0012921cd39a304fc064120c30e22371af57b6ad28947ecaceb76", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/knaptime-ab39333e067b0a20)
[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 knaptime
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/dpwalkback.rs - dpwalkback::knapsack (line 21) ... FAILED
[INFO] [stdout] test src/dpsliding.rs - dpsliding::knapsack (line 18) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/dpwalkback.rs - dpwalkback::knapsack (line 21) stdout ----
[INFO] [stdout] error[E0433]: cannot find module or crate `knapsack` in this scope
[INFO] [stdout]   --> src/dpwalkback.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use knapsack::types::Item;
[INFO] [stdout]    |     ^^^^^^^^ use of unresolved module or unlinked crate `knapsack`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `knapsack`, use `cargo add knapsack` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `knapsack` in this scope
[INFO] [stdout]   --> src/dpwalkback.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 | let result = knapsack::dpwalkback::knapsack(5, items);
[INFO] [stdout]    |              ^^^^^^^^ use of unresolved module or unlinked crate `knapsack`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `knapsack`, use `cargo add knapsack` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/dpsliding.rs - dpsliding::knapsack (line 18) stdout ----
[INFO] [stdout] error[E0433]: cannot find module or crate `knapsack` in this scope
[INFO] [stdout]   --> src/dpsliding.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use knapsack::types::Item;
[INFO] [stdout]    |     ^^^^^^^^ use of unresolved module or unlinked crate `knapsack`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `knapsack`, use `cargo add knapsack` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `knapsack` in this scope
[INFO] [stdout]   --> src/dpsliding.rs:21:14
[INFO] [stdout]    |
[INFO] [stdout] 21 | let result = knapsack::dpsliding::knapsack(50, items);
[INFO] [stdout]    |              ^^^^^^^^ use of unresolved module or unlinked crate `knapsack`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `knapsack`, use `cargo add knapsack` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/dpsliding.rs - dpsliding::knapsack (line 18)
[INFO] [stdout]     src/dpwalkback.rs - dpwalkback::knapsack (line 21)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "d1e868d972e0012921cd39a304fc064120c30e22371af57b6ad28947ecaceb76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1e868d972e0012921cd39a304fc064120c30e22371af57b6ad28947ecaceb76", kill_on_drop: false }`
[INFO] [stdout] d1e868d972e0012921cd39a304fc064120c30e22371af57b6ad28947ecaceb76
