[INFO] fetching crate radix_trie 0.2.1...
[INFO] testing radix_trie-0.2.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate radix_trie 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate radix_trie 0.2.1 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 radix_trie 0.2.1
[INFO] finished tweaking crates.io crate radix_trie 0.2.1
[INFO] tweaked toml for crates.io crate radix_trie 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate radix_trie 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded const_fn v0.4.2
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.0
[INFO] [stderr]   Downloaded regex v1.4.1
[INFO] [stderr]   Downloaded serde_test v1.0.117
[INFO] [stderr]   Downloaded regex-syntax v0.6.20
[INFO] [stderr]   Downloaded syn v1.0.46
[INFO] [stderr]   Downloaded smallvec v1.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] b19e55bd71456a8b2a8b360abaf5b88ea3f5dfc7421f7fcfd3ac66321fe1b058
[INFO] running `Command { std: "docker" "start" "-a" "b19e55bd71456a8b2a8b360abaf5b88ea3f5dfc7421f7fcfd3ac66321fe1b058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b19e55bd71456a8b2a8b360abaf5b88ea3f5dfc7421f7fcfd3ac66321fe1b058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b19e55bd71456a8b2a8b360abaf5b88ea3f5dfc7421f7fcfd3ac66321fe1b058", kill_on_drop: false }`
[INFO] [stdout] b19e55bd71456a8b2a8b360abaf5b88ea3f5dfc7421f7fcfd3ac66321fe1b058
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 2443d8be80e1591415f5213d23939ea75c9349240bd521745ed730943e4e86b7
[INFO] running `Command { std: "docker" "start" "-a" "2443d8be80e1591415f5213d23939ea75c9349240bd521745ed730943e4e86b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling radix_trie v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "2443d8be80e1591415f5213d23939ea75c9349240bd521745ed730943e4e86b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2443d8be80e1591415f5213d23939ea75c9349240bd521745ed730943e4e86b7", kill_on_drop: false }`
[INFO] [stdout] 2443d8be80e1591415f5213d23939ea75c9349240bd521745ed730943e4e86b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 9d1893734ab1e1a69c2679752ac91c20216698ac354221fb4d86fa88a73d1fbe
[INFO] running `Command { std: "docker" "start" "-a" "9d1893734ab1e1a69c2679752ac91c20216698ac354221fb4d86fa88a73d1fbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.46
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling oorandom v11.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling quickcheck v0.4.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling serde_test v1.0.117
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling radix_trie v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 27.75s
[INFO] running `Command { std: "docker" "inspect" "9d1893734ab1e1a69c2679752ac91c20216698ac354221fb4d86fa88a73d1fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d1893734ab1e1a69c2679752ac91c20216698ac354221fb4d86fa88a73d1fbe", kill_on_drop: false }`
[INFO] [stdout] 9d1893734ab1e1a69c2679752ac91c20216698ac354221fb4d86fa88a73d1fbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 5072508c976c29c9cdf5413aed712f1a2be2ccb897e6d3d91ac7bf6f6e372257
[INFO] running `Command { std: "docker" "start" "-a" "5072508c976c29c9cdf5413aed712f1a2be2ccb897e6d3d91ac7bf6f6e372257", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/radix_trie-5ec3aff46f96d587)
[INFO] [stdout] 
[INFO] [stdout] running 51 tests
[INFO] [stdout] test keys::test::test_autoref_specialization ... ok
[INFO] [stdout] test test::ancestor_key ... ok
[INFO] [stdout] test test::remove_non_existent ... ok
[INFO] [stdout] test test::raw_descendant_prefix ... ok
[INFO] [stdout] test test::empty_key ... ok
[INFO] [stdout] test test::get_raw_descendant ... ok
[INFO] [stdout] test test::subtrie ... ok
[INFO] [stdout] test test::subtrie_insert ... ok
[INFO] [stdout] test test::subtrie_len ... ok
[INFO] [stdout] test test::subtrie_string ... ok
[INFO] [stdout] test test::subtrie_nonexistant ... ok
[INFO] [stdout] test test::test_get_ancestor_borrow ... ok
[INFO] [stdout] test test::test_get_ancestor_value_borrow ... ok
[INFO] [stdout] test test::test_get_borrow ... ok
[INFO] [stdout] test test::test_get_mut_borrow ... ok
[INFO] [stdout] test test::test_get_raw_ancestor_borrow ... ok
[INFO] [stdout] test test::test_get_raw_descendant_borrow ... ok
[INFO] [stdout] test test::test_remove_borrow ... ok
[INFO] [stdout] test test::test_prefix ... ok
[INFO] [stdout] test test::test_subtrie_borrow ... ok
[INFO] [stdout] test test::test_subtrie_mut_borrow ... ok
[INFO] [stdout] test test::from_iter ... ok
[INFO] [stdout] test test::subtrie_mut_lifetime ... ok
[INFO] [stdout] test test::subtrie_lifetime ... ok
[INFO] [stdout] test test::clone ... ok
[INFO] [stdout] test test::iter ... ok
[INFO] [stdout] test test::get_prefix_bug ... ok
[INFO] [stdout] test test::nearest_ancestor_no_child_fn ... ok
[INFO] [stdout] test test::get_ancestor_bug ... ok
[INFO] [stdout] test test::get_nonexistant ... ok
[INFO] [stdout] test test::remove_simple ... ok
[INFO] [stdout] test test::int_keys ... ok
[INFO] [stdout] test test::root_replace_bug ... ok
[INFO] [stdout] test test::insert ... ok
[INFO] [stdout] test test::nearest_ancestor_root ... ok
[INFO] [stdout] test test::raw_ancestor ... ok
[INFO] [stdout] test test::raw_ancestor_prefix ... ok
[INFO] [stdout] test test::remove ... ok
[INFO] [stdout] test test::map_with_default ... ok
[INFO] [stdout] test test::child_subtrie_keys ... ok
[INFO] [stdout] test test::insert_replace ... ok
[INFO] [stdout] test test::unicode ... ok
[INFO] [stdout] test test::nearest_ancestor ... ok
[INFO] [stdout] test qc_test::subtrie_get ... ok
[INFO] [stdout] test qc_test::subtrie ... ok
[INFO] [stdout] test qc_test::values_iter ... ok
[INFO] [stdout] test qc_test::subtrie_mut_get ... ok
[INFO] [stdout] test qc_test::keys_iter ... ok
[INFO] [stdout] test qc_test::remove_non_existent ... ok
[INFO] [stdout] test qc_test::insert_all_remove_all ... ok
[INFO] [stderr]    Doc-tests radix_trie
[INFO] [stdout] test qc_test::subtrie_insert ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 51 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.00s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "5072508c976c29c9cdf5413aed712f1a2be2ccb897e6d3d91ac7bf6f6e372257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5072508c976c29c9cdf5413aed712f1a2be2ccb897e6d3d91ac7bf6f6e372257", kill_on_drop: false }`
[INFO] [stdout] 5072508c976c29c9cdf5413aed712f1a2be2ccb897e6d3d91ac7bf6f6e372257