[INFO] fetching crate mlscraper-rust 0.1.2...
[INFO] testing mlscraper-rust-0.1.2 against 1.76.0 for beta-1.77-1
[INFO] extracting crate mlscraper-rust 0.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate mlscraper-rust 0.1.2 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mlscraper-rust 0.1.2
[INFO] finished tweaking crates.io crate mlscraper-rust 0.1.2
[INFO] tweaked toml for crates.io crate mlscraper-rust 0.1.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate mlscraper-rust 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded os_str_bytes v6.5.0
[INFO] [stderr]   Downloaded tl v0.7.7
[INFO] [stderr]   Downloaded base64 v0.21.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3575f482cc6786e2ef13e4d0442b3aa162a69416655e1745e0c82e816cbe9114
[INFO] running `Command { std: "docker" "start" "-a" "3575f482cc6786e2ef13e4d0442b3aa162a69416655e1745e0c82e816cbe9114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3575f482cc6786e2ef13e4d0442b3aa162a69416655e1745e0c82e816cbe9114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3575f482cc6786e2ef13e4d0442b3aa162a69416655e1745e0c82e816cbe9114", kill_on_drop: false }`
[INFO] [stdout] 3575f482cc6786e2ef13e4d0442b3aa162a69416655e1745e0c82e816cbe9114
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 875722737b5e75080b3ee0f703978357c0f21106588aa799b96ae0d9a33bf7f4
[INFO] running `Command { std: "docker" "start" "-a" "875722737b5e75080b3ee0f703978357c0f21106588aa799b96ae0d9a33bf7f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling tl v0.7.7
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling mlscraper-rust v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/search.rs:533:47
[INFO] [stdout]     |
[INFO] [stdout] 533 |                     selector_pool.retain_mut(|mut selector| {
[INFO] [stdout]     |                                               ----^^^^^^^^
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.21s
[INFO] running `Command { std: "docker" "inspect" "875722737b5e75080b3ee0f703978357c0f21106588aa799b96ae0d9a33bf7f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "875722737b5e75080b3ee0f703978357c0f21106588aa799b96ae0d9a33bf7f4", kill_on_drop: false }`
[INFO] [stdout] 875722737b5e75080b3ee0f703978357c0f21106588aa799b96ae0d9a33bf7f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff4c20fc92818e19d943178995f5f260f191f14f5e21b5a8071055b1a2ba9db4
[INFO] running `Command { std: "docker" "start" "-a" "ff4c20fc92818e19d943178995f5f260f191f14f5e21b5a8071055b1a2ba9db4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling tokio v1.28.1
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling openssl v0.10.52
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling http v0.2.9
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling syn v2.0.16
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling try-lock v0.2.4
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling aho-corasick v1.0.1
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.87
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling regex-syntax v0.7.1
[INFO] [stderr]    Compiling os_str_bytes v6.5.0
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling plotters-backend v0.3.4
[INFO] [stderr]    Compiling ciborium-io v0.2.1
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling ciborium-ll v0.2.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling mio v0.8.6
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling plotters-svg v0.3.3
[INFO] [stderr]    Compiling textwrap v0.16.0
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling regex v1.8.1
[INFO] [stderr]    Compiling plotters v0.3.4
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling url v2.3.1
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling encoding_rs v0.8.32
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling is-terminal v0.4.7
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling base64 v0.21.1
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling ipnet v2.7.2
[INFO] [stderr]    Compiling mlscraper-rust v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/search.rs:533:47
[INFO] [stdout]     |
[INFO] [stdout] 533 |                     selector_pool.retain_mut(|mut selector| {
[INFO] [stdout]     |                                               ----^^^^^^^^
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling env_logger v0.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.163
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio-util v0.7.8
[INFO] [stderr]    Compiling h2 v0.3.19
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling hyper v0.14.26
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling ciborium v0.2.1
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.18
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.4.0
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/search.rs:533:47
[INFO] [stdout]     |
[INFO] [stdout] 533 |                     selector_pool.retain_mut(|mut selector| {
[INFO] [stdout]     |                                               ----^^^^^^^^
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.37s
[INFO] running `Command { std: "docker" "inspect" "ff4c20fc92818e19d943178995f5f260f191f14f5e21b5a8071055b1a2ba9db4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff4c20fc92818e19d943178995f5f260f191f14f5e21b5a8071055b1a2ba9db4", kill_on_drop: false }`
[INFO] [stdout] ff4c20fc92818e19d943178995f5f260f191f14f5e21b5a8071055b1a2ba9db4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 643daa00172634f0dc391057b52e5d88b67d7e36b75680ec3e9482f9c476a793
[INFO] running `Command { std: "docker" "start" "-a" "643daa00172634f0dc391057b52e5d88b67d7e36b75680ec3e9482f9c476a793", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/search.rs:533:47
[INFO] [stderr]     |
[INFO] [stderr] 533 |                     selector_pool.retain_mut(|mut selector| {
[INFO] [stderr]     |                                               ----^^^^^^^^
[INFO] [stderr]     |                                               |
[INFO] [stderr]     |                                               help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mlscraper-rust` (lib) generated 1 warning (run `cargo fix --lib -p mlscraper-rust` to apply 1 suggestion)
[INFO] [stderr] warning: `mlscraper-rust` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mlscraper_rust-942afe0ab158973b)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test search::tests::node_text ... ok
[INFO] [stdout] test search::tests::node_matching ... ok
[INFO] [stdout] test search::tests::find_nodes ... ok
[INFO] [stdout] test selectors::tests::test_find_node_with_text ... ok
[INFO] [stdout] test selectors::tests::test_find_parent ... ok
[INFO] [stdout] test selectors::tests::test_random_selector ... ok
[INFO] [stdout] test selectors::tests::test_selector ... ok
[INFO] [stdout] test search::tests::fuzzing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mlscraper-rust
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/search.rs - search::TrainingResult (line 196) ... ignored
[INFO] [stdout] test src/lib.rs - (line 8) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 8) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/lib.rs:7:6:
[INFO] [stdout] request: reqwest::Error { kind: Request, url: Url { scheme: "http", cannot_be_a_base: false, username: "", password: None, host: Some(Domain("quotes.toscrape.com")), port: None, path: "/author/Albert-Einstein/", query: None, fragment: None }, source: hyper::Error(Connect, ConnectError("dns error", Custom { kind: Uncategorized, error: "failed to lookup address information: Temporary failure in name resolution" })) }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5573ed934df6 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x5573ed934df6 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5573ed934df6 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5573ed934df6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5573ed95caf0 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x5573ed95caf0 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x5573ed93252f - std::io::Write::write_fmt::h78b18af5775fedb5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x5573ed934bd4 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5573ed934bd4 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5573ed9362a7 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x5573ed936009 - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:292:9
[INFO] [stdout]   11:     0x5573ed936738 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:779:13
[INFO] [stdout]   12:     0x5573ed936612 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   13:     0x5573ed9352f6 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x5573ed936370 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   15:     0x5573ed461cd5 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x5573ed4622b3 - core::result::unwrap_failed::h03d8a5018196e1cd
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1649:5
[INFO] [stdout]   17:     0x5573ed471aa5 - core::result::Result<T,E>::expect::h3d0594b639acbef6
[INFO] [stdout]   18:     0x5573ed47bcff - rust_out::main::_doctest_main_src_lib_rs_8_0::h13b68059b62e3ae9
[INFO] [stdout]   19:     0x5573ed47bc96 - rust_out::main::h7d13ed1f0b74fb4f
[INFO] [stdout]   20:     0x5573ed46c1b3 - core::ops::function::FnOnce::call_once::h9310bc2590e31970
[INFO] [stdout]   21:     0x5573ed46b7a6 - std::sys_common::backtrace::__rust_begin_short_backtrace::haeb71db878654b8a
[INFO] [stdout]   22:     0x5573ed46b819 - std::rt::lang_start::{{closure}}::h3fc7e49d09688110
[INFO] [stdout]   23:     0x5573ed92e881 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h37600b1e5eea4ecd
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   24:     0x5573ed92e881 - std::panicking::try::do_call::hb4bda49fa13a0c2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   25:     0x5573ed92e881 - std::panicking::try::h8bbf75149211aaaa
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   26:     0x5573ed92e881 - std::panic::catch_unwind::h8c78ec68ebea34cb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   27:     0x5573ed92e881 - std::rt::lang_start_internal::{{closure}}::hffdf44a19fd9e220
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/rt.rs:148:48
[INFO] [stdout]   28:     0x5573ed92e881 - std::panicking::try::do_call::hcb3194972c74716d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x5573ed92e881 - std::panicking::try::hcdc6892c5f0dba4c
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x5573ed92e881 - std::panic::catch_unwind::h4910beb4573f4776
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x5573ed92e881 - std::rt::lang_start_internal::h6939038e2873596b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/rt.rs:148:20
[INFO] [stdout]   32:     0x5573ed46b7f7 - std::rt::lang_start::hd109d716ba1a5b01
[INFO] [stdout]   33:     0x5573ed47c265 - main
[INFO] [stdout]   34:     0x7fa828b8fd90 - <unknown>
[INFO] [stdout]   35:     0x7fa828b8fe40 - __libc_start_main
[INFO] [stdout]   36:     0x5573ed4625b5 - _start
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 8)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 1 ignored; 0 measured; 0 filtered out; finished in 2.12s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "643daa00172634f0dc391057b52e5d88b67d7e36b75680ec3e9482f9c476a793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "643daa00172634f0dc391057b52e5d88b67d7e36b75680ec3e9482f9c476a793", kill_on_drop: false }`
[INFO] [stdout] 643daa00172634f0dc391057b52e5d88b67d7e36b75680ec3e9482f9c476a793
[INFO] testing mlscraper-rust-0.1.2 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate mlscraper-rust 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate mlscraper-rust 0.1.2 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mlscraper-rust 0.1.2
[INFO] finished tweaking crates.io crate mlscraper-rust 0.1.2
[INFO] tweaked toml for crates.io crate mlscraper-rust 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate mlscraper-rust 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47d318582ba9067bc51db4f96f6f9eebe7241c63590af2bb2103299240d06dca
[INFO] running `Command { std: "docker" "start" "-a" "47d318582ba9067bc51db4f96f6f9eebe7241c63590af2bb2103299240d06dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47d318582ba9067bc51db4f96f6f9eebe7241c63590af2bb2103299240d06dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d318582ba9067bc51db4f96f6f9eebe7241c63590af2bb2103299240d06dca", kill_on_drop: false }`
[INFO] [stdout] 47d318582ba9067bc51db4f96f6f9eebe7241c63590af2bb2103299240d06dca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 525b990ba3060266ffd571ef7a10bd08a54d93bd18037af15a719d813f4a6295
[INFO] running `Command { std: "docker" "start" "-a" "525b990ba3060266ffd571ef7a10bd08a54d93bd18037af15a719d813f4a6295", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling tl v0.7.7
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling mlscraper-rust v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/search.rs:533:47
[INFO] [stdout]     |
[INFO] [stdout] 533 |                     selector_pool.retain_mut(|mut selector| {
[INFO] [stdout]     |                                               ----^^^^^^^^
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "525b990ba3060266ffd571ef7a10bd08a54d93bd18037af15a719d813f4a6295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "525b990ba3060266ffd571ef7a10bd08a54d93bd18037af15a719d813f4a6295", kill_on_drop: false }`
[INFO] [stdout] 525b990ba3060266ffd571ef7a10bd08a54d93bd18037af15a719d813f4a6295
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23d7335f81e6d75e7314c0408ea7ac514ddbbfbee0395acae0f508121a4106cc
[INFO] running `Command { std: "docker" "start" "-a" "23d7335f81e6d75e7314c0408ea7ac514ddbbfbee0395acae0f508121a4106cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling tokio v1.28.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.52
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling http v0.2.9
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling syn v2.0.16
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling try-lock v0.2.4
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling openssl-sys v0.9.87
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling aho-corasick v1.0.1
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling ciborium-io v0.2.1
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling plotters-backend v0.3.4
[INFO] [stderr]    Compiling regex-syntax v0.7.1
[INFO] [stderr]    Compiling os_str_bytes v6.5.0
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling mio v0.8.6
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling plotters-svg v0.3.3
[INFO] [stderr]    Compiling ciborium-ll v0.2.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling textwrap v0.16.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling url v2.3.1
[INFO] [stderr]    Compiling regex v1.8.1
[INFO] [stderr]    Compiling plotters v0.3.4
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling encoding_rs v0.8.32
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling is-terminal v0.4.7
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling base64 v0.21.1
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling ipnet v2.7.2
[INFO] [stderr]    Compiling mlscraper-rust v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling env_logger v0.10.0
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/search.rs:533:47
[INFO] [stdout]     |
[INFO] [stdout] 533 |                     selector_pool.retain_mut(|mut selector| {
[INFO] [stdout]     |                                               ----^^^^^^^^
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.163
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling tokio-util v0.7.8
[INFO] [stderr]    Compiling h2 v0.3.19
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling hyper v0.14.26
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling ciborium v0.2.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling reqwest v0.11.18
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.4.0
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/search.rs:533:47
[INFO] [stdout]     |
[INFO] [stdout] 533 |                     selector_pool.retain_mut(|mut selector| {
[INFO] [stdout]     |                                               ----^^^^^^^^
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 24.16s
[INFO] running `Command { std: "docker" "inspect" "23d7335f81e6d75e7314c0408ea7ac514ddbbfbee0395acae0f508121a4106cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23d7335f81e6d75e7314c0408ea7ac514ddbbfbee0395acae0f508121a4106cc", kill_on_drop: false }`
[INFO] [stdout] 23d7335f81e6d75e7314c0408ea7ac514ddbbfbee0395acae0f508121a4106cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 21fd5041c95b1c17bf3d82977e487102b593cb8de9dda7468f669354ba7bc3f6
[INFO] running `Command { std: "docker" "start" "-a" "21fd5041c95b1c17bf3d82977e487102b593cb8de9dda7468f669354ba7bc3f6", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/search.rs:533:47
[INFO] [stderr]     |
[INFO] [stderr] 533 |                     selector_pool.retain_mut(|mut selector| {
[INFO] [stderr]     |                                               ----^^^^^^^^
[INFO] [stderr]     |                                               |
[INFO] [stderr]     |                                               help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mlscraper-rust` (lib) generated 1 warning (run `cargo fix --lib -p mlscraper-rust` to apply 1 suggestion)
[INFO] [stderr] warning: `mlscraper-rust` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mlscraper_rust-0149f5f93832c68d)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test selectors::tests::test_random_selector ... ok
[INFO] [stdout] test search::tests::node_matching ... ok
[INFO] [stdout] test selectors::tests::test_selector ... ok
[INFO] [stdout] test selectors::tests::test_find_parent ... ok
[INFO] [stdout] test search::tests::find_nodes ... ok
[INFO] [stdout] test selectors::tests::test_find_node_with_text ... ok
[INFO] [stdout] test search::tests::node_text ... ok
[INFO] [stdout] test search::tests::fuzzing ... 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 mlscraper-rust
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/search.rs - search::TrainingResult (line 196) ... ignored
[INFO] [stdout] test src/lib.rs - (line 8) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 8) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/lib.rs:7:6:
[INFO] [stdout] request: reqwest::Error { kind: Request, url: Url { scheme: "http", cannot_be_a_base: false, username: "", password: None, host: Some(Domain("quotes.toscrape.com")), port: None, path: "/author/Albert-Einstein/", query: None, fragment: None }, source: hyper::Error(Connect, ConnectError("dns error", Custom { kind: Uncategorized, error: "failed to lookup address information: Temporary failure in name resolution" })) }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55e6bed93f46 - std::backtrace_rs::backtrace::libunwind::trace::h140b6deb6a45c671
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55e6bed93f46 - std::backtrace_rs::backtrace::trace_unsynchronized::h8450d7e4e9219aed
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55e6bed93f46 - std::sys_common::backtrace::_print_fmt::hbd28e5e6c6fc3a3f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55e6bed93f46 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb058f285768cf98e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55e6bedbbb90 - core::fmt::rt::Argument::fmt::h87dec7a95127da24
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55e6bedbbb90 - core::fmt::write::h873f89a91a4832db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55e6bed9148f - std::io::Write::write_fmt::hc65183f01d14754a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x55e6bed93d24 - std::sys_common::backtrace::_print::h7719d1529d9a9e13
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55e6bed93d24 - std::sys_common::backtrace::print::haa3afbd0e7947108
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55e6bed953f7 - std::panicking::default_hook::{{closure}}::h10e3de2ec0eaff22
[INFO] [stdout]   10:     0x55e6bed95159 - std::panicking::default_hook::hbdc1b1b7fe073dab
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:292:9
[INFO] [stdout]   11:     0x55e6bed95888 - std::panicking::rust_panic_with_hook::hb81692602460473d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:781:13
[INFO] [stdout]   12:     0x55e6bed95762 - std::panicking::begin_panic_handler::{{closure}}::h2470593aa2678e9c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:659:13
[INFO] [stdout]   13:     0x55e6bed94446 - std::sys_common::backtrace::__rust_end_short_backtrace::h560bb50225b0562b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x55e6bed954b4 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:647:5
[INFO] [stdout]   15:     0x55e6be8c4cc5 - core::panicking::panic_fmt::h29b6f262f6458dc3
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x55e6be8c52a3 - core::result::unwrap_failed::h12bc80647957bcdb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/result.rs:1649:5
[INFO] [stdout]   17:     0x55e6be8d47f5 - core::result::Result<T,E>::expect::h479b92e96ef7ec3c
[INFO] [stdout]   18:     0x55e6be8de6cf - rust_out::main::_doctest_main_src_lib_rs_8_0::hb172878f634f162b
[INFO] [stdout]   19:     0x55e6be8de666 - rust_out::main::hff4e5118cb484971
[INFO] [stdout]   20:     0x55e6be8cf0c3 - core::ops::function::FnOnce::call_once::h07035dc3b47525ba
[INFO] [stdout]   21:     0x55e6be8ce796 - std::sys_common::backtrace::__rust_begin_short_backtrace::h27e28290e6a5ea6b
[INFO] [stdout]   22:     0x55e6be8ce809 - std::rt::lang_start::{{closure}}::hc9e353f29d6b9183
[INFO] [stdout]   23:     0x55e6bed8d741 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hb70d08830a5ade10
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   24:     0x55e6bed8d741 - std::panicking::try::do_call::h22b4f7e5a6651b4a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   25:     0x55e6bed8d741 - std::panicking::try::hc21d1712e01c2e20
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   26:     0x55e6bed8d741 - std::panic::catch_unwind::h043dedc9b446785f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   27:     0x55e6bed8d741 - std::rt::lang_start_internal::{{closure}}::hd5b437811c37f411
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/rt.rs:148:48
[INFO] [stdout]   28:     0x55e6bed8d741 - std::panicking::try::do_call::hd87c54a927c7af49
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   29:     0x55e6bed8d741 - std::panicking::try::hf94d97659ed75d92
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   30:     0x55e6bed8d741 - std::panic::catch_unwind::h2ddd57de1d25402e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x55e6bed8d741 - std::rt::lang_start_internal::h7fecc45801af5220
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/rt.rs:148:20
[INFO] [stdout]   32:     0x55e6be8ce7e7 - std::rt::lang_start::h613ce2a20714e78a
[INFO] [stdout]   33:     0x55e6be8dec35 - main
[INFO] [stdout]   34:     0x7f380ef56d90 - <unknown>
[INFO] [stdout]   35:     0x7f380ef56e40 - __libc_start_main
[INFO] [stdout]   36:     0x55e6be8c55a5 - _start
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 8)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 1 ignored; 0 measured; 0 filtered out; finished in 2.34s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "21fd5041c95b1c17bf3d82977e487102b593cb8de9dda7468f669354ba7bc3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21fd5041c95b1c17bf3d82977e487102b593cb8de9dda7468f669354ba7bc3f6", kill_on_drop: false }`
[INFO] [stdout] 21fd5041c95b1c17bf3d82977e487102b593cb8de9dda7468f669354ba7bc3f6
