[INFO] cloning repository https://github.com/Super-King-Crimson/lab_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Super-King-Crimson/lab_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuper-King-Crimson%2Flab_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuper-King-Crimson%2Flab_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77803f174bcde161773b581f6e35c43e7a488847
[INFO] testing Super-King-Crimson/lab_rs against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuper-King-Crimson%2Flab_rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Super-King-Crimson/lab_rs
[INFO] finished tweaking git repo https://github.com/Super-King-Crimson/lab_rs
[INFO] tweaked toml for git repo https://github.com/Super-King-Crimson/lab_rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Super-King-Crimson/lab_rs 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] crate git repo https://github.com/Super-King-Crimson/lab_rs 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-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f0d1fd73b3db7d760e2d147d64de2e5a0d57446308ca81edb4722308bda5b76e
[INFO] running `Command { std: "docker" "start" "-a" "f0d1fd73b3db7d760e2d147d64de2e5a0d57446308ca81edb4722308bda5b76e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0d1fd73b3db7d760e2d147d64de2e5a0d57446308ca81edb4722308bda5b76e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0d1fd73b3db7d760e2d147d64de2e5a0d57446308ca81edb4722308bda5b76e", kill_on_drop: false }`
[INFO] [stdout] f0d1fd73b3db7d760e2d147d64de2e5a0d57446308ca81edb4722308bda5b76e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a2fdd4e10f9477112b429fe3b15770d1d177a18df63e57be18b508f48f9c2d9c
[INFO] running `Command { std: "docker" "start" "-a" "a2fdd4e10f9477112b429fe3b15770d1d177a18df63e57be18b508f48f9c2d9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling lab_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.97s
[INFO] running `Command { std: "docker" "inspect" "a2fdd4e10f9477112b429fe3b15770d1d177a18df63e57be18b508f48f9c2d9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2fdd4e10f9477112b429fe3b15770d1d177a18df63e57be18b508f48f9c2d9c", kill_on_drop: false }`
[INFO] [stdout] a2fdd4e10f9477112b429fe3b15770d1d177a18df63e57be18b508f48f9c2d9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c5d6524dabb231d8f50a64c6b03a0a18ce2804983da02767944ab6645fba6ebc
[INFO] running `Command { std: "docker" "start" "-a" "c5d6524dabb231d8f50a64c6b03a0a18ce2804983da02767944ab6645fba6ebc", kill_on_drop: false }`
[INFO] [stderr]    Compiling lab_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "c5d6524dabb231d8f50a64c6b03a0a18ce2804983da02767944ab6645fba6ebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5d6524dabb231d8f50a64c6b03a0a18ce2804983da02767944ab6645fba6ebc", kill_on_drop: false }`
[INFO] [stdout] c5d6524dabb231d8f50a64c6b03a0a18ce2804983da02767944ab6645fba6ebc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e3bc63d21818d4d86591333ff5d7cd86b8cd43cf56ea41f9e89c6e048ab8d5fa
[INFO] running `Command { std: "docker" "start" "-a" "e3bc63d21818d4d86591333ff5d7cd86b8cd43cf56ea41f9e89c6e048ab8d5fa", 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/lab_rs-bcf42f8851e2922d)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test hanoi::tests::hanoi_iter_test1 ... ok
[INFO] [stdout] test hanoi::tests::hanoi_recur_test1 ... ok
[INFO] [stdout] test showcase::tests::every_other_item_in_first_ten_times_five_test1 ... ok
[INFO] [stdout] test showcase::tests::to_hash_test ... ok
[INFO] [stdout] test tortoise_and_hare::tests::tortoise_and_hare_test2 ... ok
[INFO] [stdout] test showcase::tests::to_hash_test2 ... ok
[INFO] [stdout] test tortoise_and_hare::tests::tortoise_and_hare_test1 ... ok
[INFO] [stdout] test tortoise_and_hare::tests::tortoise_and_hare_test3 ... ok
[INFO] [stdout] test showcase::tests::every_other_item_in_first_ten_times_five_test2 ... ok
[INFO] [stdout] test tortoise_and_hare::tests::tortoise_and_hare_test7 ... ok
[INFO] [stdout] test tortoise_and_hare::tests::tortoise_and_hare_test8 ... ok
[INFO] [stdout] test tortoise_and_hare::tests::tortoise_and_hare_test6 ... ok
[INFO] [stdout] test tortoise_and_hare::tests::tortoise_and_hare_test4 ... ok
[INFO] [stdout] test tortoise_and_hare::tests::tortoise_and_hare_test9 ... ok
[INFO] [stdout] test hanoi::tests::hanoi_iter_test3 - should panic ... ok
[INFO] [stdout] test hanoi::tests::hanoi_recur_test4 ... ok
[INFO] [stdout] test tortoise_and_hare::tests::tortoise_and_hare_test5 ... ok
[INFO] [stdout] test hanoi::tests::hanoi_recur_test2 - should panic ... ok
[INFO] [stdout] test hanoi::tests::hanoi_iter_test2 - should panic ... ok
[INFO] [stdout] test hanoi::tests::hanoi_recur_test3 - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lab_rs-5aa10139f75601c0)
[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 lab_rs
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/showcase.rs - showcase::hashmaps::count_chars (line 8) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/showcase.rs - showcase::hashmaps::count_chars (line 8) stdout ----
[INFO] [stdout] error[E0433]: cannot find module or crate `lab` in this scope
[INFO] [stdout]   --> src/showcase.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use lab::showcase::hashmaps::count_chars;
[INFO] [stdout]    |     ^^^ use of unresolved module or unlinked crate `lab`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `lab`, use `cargo add lab` 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] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/showcase.rs - showcase::hashmaps::count_chars (line 8)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "e3bc63d21818d4d86591333ff5d7cd86b8cd43cf56ea41f9e89c6e048ab8d5fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3bc63d21818d4d86591333ff5d7cd86b8cd43cf56ea41f9e89c6e048ab8d5fa", kill_on_drop: false }`
[INFO] [stdout] e3bc63d21818d4d86591333ff5d7cd86b8cd43cf56ea41f9e89c6e048ab8d5fa
