[INFO] cloning repository https://github.com/twick00/rust-async-crawler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/twick00/rust-async-crawler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwick00%2Frust-async-crawler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwick00%2Frust-async-crawler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9fd39f40dd729c58aba6292ecfe3b8c677415719 [INFO] checking twick00/rust-async-crawler against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwick00%2Frust-async-crawler" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/twick00/rust-async-crawler on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/twick00/rust-async-crawler [INFO] finished tweaking git repo https://github.com/twick00/rust-async-crawler [INFO] tweaked toml for git repo https://github.com/twick00/rust-async-crawler written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/twick00/rust-async-crawler already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures-executor-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded futures-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded sluice v0.4.2 [INFO] [stderr] Downloaded futures-io-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded futures-sink-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded surf v1.0.3 [INFO] [stderr] Downloaded curl v0.4.29 [INFO] [stderr] Downloaded isahc v0.7.6 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.3.27 [INFO] [stderr] Downloaded libnghttp2-sys v0.1.3 [INFO] [stderr] Downloaded curl-sys v0.4.31+curl-7.70.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9867270d6c453aa0a97212ec93d9fcdf1c6760dd7fc075451b6a04fbbfd15cae [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9867270d6c453aa0a97212ec93d9fcdf1c6760dd7fc075451b6a04fbbfd15cae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9867270d6c453aa0a97212ec93d9fcdf1c6760dd7fc075451b6a04fbbfd15cae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9867270d6c453aa0a97212ec93d9fcdf1c6760dd7fc075451b6a04fbbfd15cae", kill_on_drop: false }` [INFO] [stdout] 9867270d6c453aa0a97212ec93d9fcdf1c6760dd7fc075451b6a04fbbfd15cae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 163867585c3ee6eaf1f6cdd1e9d63cd4fae19ecc4bb3ab7dbcd50fdf50e560a9 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "163867585c3ee6eaf1f6cdd1e9d63cd4fae19ecc4bb3ab7dbcd50fdf50e560a9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling cc v1.0.52 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling syn v1.0.18 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Checking smallvec v1.4.0 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling siphasher v0.3.3 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-io-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Checking futures-core v0.3.4 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Checking futures-sink v0.3.4 [INFO] [stderr] Compiling curl v0.4.29 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking utf-8 v0.7.5 [INFO] [stderr] Compiling isahc v0.7.6 [INFO] [stderr] Checking futures-task v0.3.4 [INFO] [stderr] Checking dtoa v0.4.5 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking pin-project-lite v0.1.4 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Checking unicode-normalization v0.1.12 [INFO] [stderr] Checking futures-channel v0.3.4 [INFO] [stderr] Compiling proc-macro2 v1.0.12 [INFO] [stderr] Checking tendril v0.4.1 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Checking phf v0.8.0 [INFO] [stderr] Checking string_cache v0.8.0 [INFO] [stderr] Checking sluice v0.4.2 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Compiling serde_json v1.0.52 [INFO] [stderr] Checking kv-log-macro v1.0.4 [INFO] [stderr] Compiling quote v1.0.4 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking socket2 v0.3.12 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking parking_lot_core v0.7.2 [INFO] [stderr] Checking async-task v1.3.1 [INFO] [stderr] Compiling libnghttp2-sys v0.1.3 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling openssl-sys v0.9.55 [INFO] [stderr] Compiling curl-sys v0.4.31+curl-7.70.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Checking crossbeam-channel v0.4.2 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking url v2.1.1 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Compiling phf_codegen v0.8.0 [INFO] [stderr] Compiling string_cache_codegen v0.5.1 [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling html5ever v0.25.1 [INFO] [stderr] Checking futures-util v0.3.4 [INFO] [stderr] Checking surf v1.0.3 [INFO] [stderr] Checking broadcaster v1.0.0 [INFO] [stderr] Checking async-std v1.5.0 [INFO] [stderr] Compiling markup5ever v0.10.0 [INFO] [stderr] Checking crawler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `output` [INFO] [stdout] --> src/main.rs:134:17 [INFO] [stdout] | [INFO] [stdout] 134 | let output = match r.recv().await { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `line_number` [INFO] [stdout] --> src/main.rs:21:47 [INFO] [stdout] | [INFO] [stdout] 21 | fn process_token(&mut self, token: Token, line_number: u64) -> TokenSinkResult { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_number` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:125:26 [INFO] [stdout] | [INFO] [stdout] 125 | Err(e) => panic!(e), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 125 | Err(e) => panic!("{}", e), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 125 | Err(e) => std::panic::panic_any(e), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:145:5 [INFO] [stdout] | [INFO] [stdout] 145 | task::block_on(async { box_crawl(vec![url], s, 1, 1).await }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `output` [INFO] [stdout] --> src/main.rs:134:17 [INFO] [stdout] | [INFO] [stdout] 134 | let output = match r.recv().await { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `line_number` [INFO] [stdout] --> src/main.rs:21:47 [INFO] [stdout] | [INFO] [stdout] 21 | fn process_token(&mut self, token: Token, line_number: u64) -> TokenSinkResult { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_number` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:125:26 [INFO] [stdout] | [INFO] [stdout] 125 | Err(e) => panic!(e), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 125 | Err(e) => panic!("{}", e), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 125 | Err(e) => std::panic::panic_any(e), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:145:5 [INFO] [stdout] | [INFO] [stdout] 145 | task::block_on(async { box_crawl(vec![url], s, 1, 1).await }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 55s [INFO] running `Command { std: "docker" "inspect" "163867585c3ee6eaf1f6cdd1e9d63cd4fae19ecc4bb3ab7dbcd50fdf50e560a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "163867585c3ee6eaf1f6cdd1e9d63cd4fae19ecc4bb3ab7dbcd50fdf50e560a9", kill_on_drop: false }` [INFO] [stdout] 163867585c3ee6eaf1f6cdd1e9d63cd4fae19ecc4bb3ab7dbcd50fdf50e560a9