[INFO] fetching crate trie-alg 0.4.0...
[INFO] testing trie-alg-0.4.0 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate trie-alg 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate trie-alg 0.4.0
[INFO] finished tweaking crates.io crate trie-alg 0.4.0
[INFO] tweaked toml for crates.io crate trie-alg 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate trie-alg 0.4.0 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "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-2026-01-20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3568aa0cee734a3ee60533d83e98301554a6d89115f97f003b95aaf5a46a2d92
[INFO] running `Command { std: "docker" "start" "-a" "3568aa0cee734a3ee60533d83e98301554a6d89115f97f003b95aaf5a46a2d92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3568aa0cee734a3ee60533d83e98301554a6d89115f97f003b95aaf5a46a2d92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3568aa0cee734a3ee60533d83e98301554a6d89115f97f003b95aaf5a46a2d92", kill_on_drop: false }`
[INFO] [stdout] 3568aa0cee734a3ee60533d83e98301554a6d89115f97f003b95aaf5a46a2d92
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37a67070e3434cc67e41f14ddd5e9771a6a369a9ecf26237849527758aab0150
[INFO] running `Command { std: "docker" "start" "-a" "37a67070e3434cc67e41f14ddd5e9771a6a369a9ecf26237849527758aab0150", kill_on_drop: false }`
[INFO] [stderr]    Compiling trie-alg v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "37a67070e3434cc67e41f14ddd5e9771a6a369a9ecf26237849527758aab0150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37a67070e3434cc67e41f14ddd5e9771a6a369a9ecf26237849527758aab0150", kill_on_drop: false }`
[INFO] [stdout] 37a67070e3434cc67e41f14ddd5e9771a6a369a9ecf26237849527758aab0150
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91a3be24d229fba9fdcab44ba96869d8bb1dff992b367857a6abe83b139eedf6
[INFO] running `Command { std: "docker" "start" "-a" "91a3be24d229fba9fdcab44ba96869d8bb1dff992b367857a6abe83b139eedf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling trie-alg v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "91a3be24d229fba9fdcab44ba96869d8bb1dff992b367857a6abe83b139eedf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91a3be24d229fba9fdcab44ba96869d8bb1dff992b367857a6abe83b139eedf6", kill_on_drop: false }`
[INFO] [stdout] 91a3be24d229fba9fdcab44ba96869d8bb1dff992b367857a6abe83b139eedf6
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 032fcdb3f0c1fbc0c83917154030250ae888fa0deb1c41f88d04f7dc6fe9b312
[INFO] running `Command { std: "docker" "start" "-a" "032fcdb3f0c1fbc0c83917154030250ae888fa0deb1c41f88d04f7dc6fe9b312", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/trie_alg-99a71a407fbf91a0)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test trie::tests::test_multi_eq ... ok
[INFO] [stdout] test trie::tests::test_single_add ... ok
[INFO] [stdout] test trie::tests::test_single_eq ... ok
[INFO] [stdout] test tests::multi_trie_works ... ok
[INFO] [stdout] test tests::trie_works ... ok
[INFO] [stdout] test trie::tests::test_multi_add ... ok
[INFO] [stdout] test tests::custom_charset_works ... ok
[INFO] [stdout] test tests::multi_trie_works_uppercase ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests trie_alg
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 3) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 3) stdout ----
[INFO] [stdout] error: expected item, found keyword `let`
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | let mut t = trie!();
[INFO] [stdout]   | ^^^ `let` cannot be used for global variables
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using `static` and a `Mutex` instead of `let mut`
[INFO] [stdout]   = note: for a full list of items that can appear in modules, see <https://doc.rust-lang.org/reference/items.html>
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 3)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "032fcdb3f0c1fbc0c83917154030250ae888fa0deb1c41f88d04f7dc6fe9b312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "032fcdb3f0c1fbc0c83917154030250ae888fa0deb1c41f88d04f7dc6fe9b312", kill_on_drop: false }`
[INFO] [stdout] 032fcdb3f0c1fbc0c83917154030250ae888fa0deb1c41f88d04f7dc6fe9b312
