[INFO] fetching crate trie-alg 0.4.0...
[INFO] testing trie-alg-0.4.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate trie-alg 0.4.0 into /workspace/builds/worker-5-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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate trie-alg 0.4.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e20acb50e1f1f224365d4e638b4fa0ef0f59ba5c15ca8497f3db099cdf1ac2c
[INFO] running `Command { std: "docker" "start" "-a" "1e20acb50e1f1f224365d4e638b4fa0ef0f59ba5c15ca8497f3db099cdf1ac2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e20acb50e1f1f224365d4e638b4fa0ef0f59ba5c15ca8497f3db099cdf1ac2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e20acb50e1f1f224365d4e638b4fa0ef0f59ba5c15ca8497f3db099cdf1ac2c", kill_on_drop: false }`
[INFO] [stdout] 1e20acb50e1f1f224365d4e638b4fa0ef0f59ba5c15ca8497f3db099cdf1ac2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d84d60e6e5742d0d69b6db6a66b4f0b4ffa9e5ac23bce691b123c804ddd93c0
[INFO] running `Command { std: "docker" "start" "-a" "4d84d60e6e5742d0d69b6db6a66b4f0b4ffa9e5ac23bce691b123c804ddd93c0", 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 0.77s
[INFO] running `Command { std: "docker" "inspect" "4d84d60e6e5742d0d69b6db6a66b4f0b4ffa9e5ac23bce691b123c804ddd93c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d84d60e6e5742d0d69b6db6a66b4f0b4ffa9e5ac23bce691b123c804ddd93c0", kill_on_drop: false }`
[INFO] [stdout] 4d84d60e6e5742d0d69b6db6a66b4f0b4ffa9e5ac23bce691b123c804ddd93c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbf62ceed77defcbb5c773137492315dcccddfb1cb34ce7fb61c2bbad48768f4
[INFO] running `Command { std: "docker" "start" "-a" "cbf62ceed77defcbb5c773137492315dcccddfb1cb34ce7fb61c2bbad48768f4", 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 0.57s
[INFO] running `Command { std: "docker" "inspect" "cbf62ceed77defcbb5c773137492315dcccddfb1cb34ce7fb61c2bbad48768f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbf62ceed77defcbb5c773137492315dcccddfb1cb34ce7fb61c2bbad48768f4", kill_on_drop: false }`
[INFO] [stdout] cbf62ceed77defcbb5c773137492315dcccddfb1cb34ce7fb61c2bbad48768f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9daa0117a4463a9ab828ca2cb6b2beb09ab0038c9fbd17573e96f98256f71301
[INFO] running `Command { std: "docker" "start" "-a" "9daa0117a4463a9ab828ca2cb6b2beb09ab0038c9fbd17573e96f98256f71301", 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-cd3dc0af3196960b)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test trie::tests::test_single_add ... ok
[INFO] [stdout] test trie::tests::test_single_eq ... ok
[INFO] [stdout] test trie::tests::test_multi_add ... ok
[INFO] [stdout] test tests::custom_charset_works ... 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 tests::multi_trie_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[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 0.09s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "9daa0117a4463a9ab828ca2cb6b2beb09ab0038c9fbd17573e96f98256f71301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9daa0117a4463a9ab828ca2cb6b2beb09ab0038c9fbd17573e96f98256f71301", kill_on_drop: false }`
[INFO] [stdout] 9daa0117a4463a9ab828ca2cb6b2beb09ab0038c9fbd17573e96f98256f71301