[INFO] fetching crate trie-alg 0.4.0...
[INFO] testing trie-alg-0.4.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate trie-alg 0.4.0 into /workspace/builds/worker-0-tc1/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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate trie-alg 0.4.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2552c1a48f58e1f666ec3094566ab5d7c7841c0cc27266cd3ec80405c18cbfd9
[INFO] running `Command { std: "docker" "start" "-a" "2552c1a48f58e1f666ec3094566ab5d7c7841c0cc27266cd3ec80405c18cbfd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2552c1a48f58e1f666ec3094566ab5d7c7841c0cc27266cd3ec80405c18cbfd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2552c1a48f58e1f666ec3094566ab5d7c7841c0cc27266cd3ec80405c18cbfd9", kill_on_drop: false }`
[INFO] [stdout] 2552c1a48f58e1f666ec3094566ab5d7c7841c0cc27266cd3ec80405c18cbfd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dbfe5deb5ce6341f4842be6486725df3f7b50901aca701c7bc7ebc7851f6c07
[INFO] running `Command { std: "docker" "start" "-a" "6dbfe5deb5ce6341f4842be6486725df3f7b50901aca701c7bc7ebc7851f6c07", 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 0.23s
[INFO] running `Command { std: "docker" "inspect" "6dbfe5deb5ce6341f4842be6486725df3f7b50901aca701c7bc7ebc7851f6c07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dbfe5deb5ce6341f4842be6486725df3f7b50901aca701c7bc7ebc7851f6c07", kill_on_drop: false }`
[INFO] [stdout] 6dbfe5deb5ce6341f4842be6486725df3f7b50901aca701c7bc7ebc7851f6c07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 850cccb6fac9bfe4bd601fdf2ed6d18478b00c1f97282b4e91fbef2a44f515a2
[INFO] running `Command { std: "docker" "start" "-a" "850cccb6fac9bfe4bd601fdf2ed6d18478b00c1f97282b4e91fbef2a44f515a2", 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 0.43s
[INFO] running `Command { std: "docker" "inspect" "850cccb6fac9bfe4bd601fdf2ed6d18478b00c1f97282b4e91fbef2a44f515a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "850cccb6fac9bfe4bd601fdf2ed6d18478b00c1f97282b4e91fbef2a44f515a2", kill_on_drop: false }`
[INFO] [stdout] 850cccb6fac9bfe4bd601fdf2ed6d18478b00c1f97282b4e91fbef2a44f515a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ac8c1316134150a2142de1962098a965fc1f93e96b14e4ce7384f39187c38f43
[INFO] running `Command { std: "docker" "start" "-a" "ac8c1316134150a2142de1962098a965fc1f93e96b14e4ce7384f39187c38f43", 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-1f557a86da61942a)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::custom_charset_works ... ok
[INFO] [stdout] test tests::multi_trie_works ... ok
[INFO] [stdout] test trie::tests::test_multi_add ... ok
[INFO] [stdout] test trie::tests::test_multi_eq ... ok
[INFO] [stdout] test tests::trie_works ... ok
[INFO] [stdout] test tests::multi_trie_works_uppercase ... ok
[INFO] [stdout] test trie::tests::test_single_add ... ok
[INFO] [stdout] test trie::tests::test_single_eq ... 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] 1 | 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 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "ac8c1316134150a2142de1962098a965fc1f93e96b14e4ce7384f39187c38f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac8c1316134150a2142de1962098a965fc1f93e96b14e4ce7384f39187c38f43", kill_on_drop: false }`
[INFO] [stdout] ac8c1316134150a2142de1962098a965fc1f93e96b14e4ce7384f39187c38f43