[INFO] fetching crate louds 0.1.1...
[INFO] testing louds-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate louds 0.1.1 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate louds 0.1.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate louds 0.1.1
[INFO] finished tweaking crates.io crate louds 0.1.1
[INFO] tweaked toml for crates.io crate louds 0.1.1 written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ccc0475e734b5ba20991a1071565865b9d8244cb5ba70bcc6c81a3dd1fc2f1a
[INFO] running `Command { std: "docker" "start" "-a" "2ccc0475e734b5ba20991a1071565865b9d8244cb5ba70bcc6c81a3dd1fc2f1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ccc0475e734b5ba20991a1071565865b9d8244cb5ba70bcc6c81a3dd1fc2f1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ccc0475e734b5ba20991a1071565865b9d8244cb5ba70bcc6c81a3dd1fc2f1a", kill_on_drop: false }`
[INFO] [stdout] 2ccc0475e734b5ba20991a1071565865b9d8244cb5ba70bcc6c81a3dd1fc2f1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e56c9d3042659c93c2e733dbdd7aa00d7280844903a336cc8eec88f5a98c085
[INFO] running `Command { std: "docker" "start" "-a" "3e56c9d3042659c93c2e733dbdd7aa00d7280844903a336cc8eec88f5a98c085", kill_on_drop: false }`
[INFO] [stderr]    Compiling fid v0.1.7
[INFO] [stderr]    Compiling louds v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "3e56c9d3042659c93c2e733dbdd7aa00d7280844903a336cc8eec88f5a98c085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e56c9d3042659c93c2e733dbdd7aa00d7280844903a336cc8eec88f5a98c085", kill_on_drop: false }`
[INFO] [stdout] 3e56c9d3042659c93c2e733dbdd7aa00d7280844903a336cc8eec88f5a98c085
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d246bc26f3dea32181d5cdc6c878da602aeff43a30c052a5abf0f3ab2f898186
[INFO] running `Command { std: "docker" "start" "-a" "d246bc26f3dea32181d5cdc6c878da602aeff43a30c052a5abf0f3ab2f898186", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling louds v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "d246bc26f3dea32181d5cdc6c878da602aeff43a30c052a5abf0f3ab2f898186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d246bc26f3dea32181d5cdc6c878da602aeff43a30c052a5abf0f3ab2f898186", kill_on_drop: false }`
[INFO] [stdout] d246bc26f3dea32181d5cdc6c878da602aeff43a30c052a5abf0f3ab2f898186
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4c76ad2d960edec733be9a8af38f96032af1084adafc1d6b11ae3f8edae3dfab
[INFO] running `Command { std: "docker" "start" "-a" "4c76ad2d960edec733be9a8af38f96032af1084adafc1d6b11ae3f8edae3dfab", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/louds-786c2af7786165c1)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test louds::tests::test_degree ... ok
[INFO] [stdout] test louds::tests::test_child ... ok
[INFO] [stdout] test louds::tests::test_depth ... ok
[INFO] [stdout] test louds::tests::test_first_child ... ok
[INFO] [stdout] test louds::tests::test_last_child ... ok
[INFO] [stdout] test louds::tests::test_parent ... ok
[INFO] [stdout] test louds::tests::test_is_leaf ... ok
[INFO] [stdout] test louds::tests::test_range_children ... ok
[INFO] [stdout] test louds::tests::test_sibling ... ok
[INFO] [stdout] test trie::louds::tests::test_trie_louds ... ok
[INFO] [stdout] test trie::vec::tests::test_trie_vec ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests louds
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/trie/louds.rs - trie::louds::TrieLouds (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4c76ad2d960edec733be9a8af38f96032af1084adafc1d6b11ae3f8edae3dfab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c76ad2d960edec733be9a8af38f96032af1084adafc1d6b11ae3f8edae3dfab", kill_on_drop: false }`
[INFO] [stdout] 4c76ad2d960edec733be9a8af38f96032af1084adafc1d6b11ae3f8edae3dfab