[INFO] cloning repository https://github.com/nskeip/simple-rust-crawler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nskeip/simple-rust-crawler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnskeip%2Fsimple-rust-crawler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnskeip%2Fsimple-rust-crawler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 14857ee95ea560148bb765022cd4a92e70c4f6c7 [INFO] checking nskeip/simple-rust-crawler against master#2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4 for pr-84385 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnskeip%2Fsimple-rust-crawler" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nskeip/simple-rust-crawler on toolchain 2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nskeip/simple-rust-crawler [INFO] finished tweaking git repo https://github.com/nskeip/simple-rust-crawler [INFO] tweaked toml for git repo https://github.com/nskeip/simple-rust-crawler written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/nskeip/simple-rust-crawler already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded select v0.6.0-alpha.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1a8813e7a75f6c0d7fd930dc2deb1c01eeaa9b1d2c22531cc00ff45367bc9bed [INFO] running `Command { std: "docker" "start" "-a" "1a8813e7a75f6c0d7fd930dc2deb1c01eeaa9b1d2c22531cc00ff45367bc9bed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1a8813e7a75f6c0d7fd930dc2deb1c01eeaa9b1d2c22531cc00ff45367bc9bed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a8813e7a75f6c0d7fd930dc2deb1c01eeaa9b1d2c22531cc00ff45367bc9bed", kill_on_drop: false }` [INFO] [stdout] 1a8813e7a75f6c0d7fd930dc2deb1c01eeaa9b1d2c22531cc00ff45367bc9bed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3da2802d25c8ca928661a1c978b2f79f0fb0aeea9539a1a72b14e8143b138d16 [INFO] running `Command { std: "docker" "start" "-a" "3da2802d25c8ca928661a1c978b2f79f0fb0aeea9539a1a72b14e8143b138d16", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.7 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Checking futures-io v0.3.15 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling siphasher v0.3.5 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Compiling futures-macro v0.3.15 [INFO] [stderr] Compiling futures-task v0.3.15 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking futures-sink v0.3.15 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Checking new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Checking mac v0.1.1 [INFO] [stderr] Compiling openssl-sys v0.9.63 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking cache-padded v1.1.1 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Compiling string_cache_codegen v0.5.1 [INFO] [stderr] Compiling phf_codegen v0.8.0 [INFO] [stderr] Checking futf v0.1.4 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Checking tracing-core v0.1.18 [INFO] [stderr] Checking precomputed-hash v0.1.1 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking fastrand v1.4.1 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Checking utf-8 v0.7.6 [INFO] [stderr] Compiling openssl v0.10.34 [INFO] [stderr] Checking event-listener v2.5.1 [INFO] [stderr] Checking tendril v0.4.2 [INFO] [stderr] Checking http v0.2.4 [INFO] [stderr] Checking futures-lite v1.11.3 [INFO] [stderr] Compiling markup5ever v0.10.1 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking phf v0.8.0 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Compiling native-tls v0.2.7 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Compiling httparse v1.4.1 [INFO] [stderr] Checking tinyvec v1.2.0 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking openssl-probe v0.1.4 [INFO] [stderr] Checking async-task v4.0.3 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Checking unicode-normalization v0.1.17 [INFO] [stderr] Checking async-channel v1.6.1 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking unicode-bidi v0.3.5 [INFO] [stderr] Checking socket2 v0.4.0 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking string_cache v0.8.1 [INFO] [stderr] Checking socket2 v0.3.19 [INFO] [stderr] Compiling crossbeam-utils v0.8.4 [INFO] [stderr] Checking atomic-waker v1.0.0 [INFO] [stderr] Compiling encoding_rs v0.8.28 [INFO] [stderr] Checking tower-service v0.3.1 [INFO] [stderr] Checking httpdate v0.3.2 [INFO] [stderr] Checking blocking v1.0.2 [INFO] [stderr] Checking async-executor v1.4.1 [INFO] [stderr] Checking async-mutex v1.4.0 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking serde_urlencoded v0.7.0 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking bit-set v0.5.2 [INFO] [stderr] Checking async-lock v2.4.0 [INFO] [stderr] Checking ipnet v2.3.0 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Compiling ctor v0.1.20 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling pin-project-internal v1.0.7 [INFO] [stderr] Compiling html5ever v0.25.1 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking tracing v0.1.26 [INFO] [stderr] Checking polling v2.0.3 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking async-io v1.4.1 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking async-global-executor v2.0.2 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking async-std v1.9.0 [INFO] [stderr] Checking xml5ever v0.16.1 [INFO] [stderr] Checking pin-project v1.0.7 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking markup5ever_rcdom v0.1.0 [INFO] [stderr] Checking select v0.6.0-alpha.1 [INFO] [stderr] Checking futures-executor v0.3.15 [INFO] [stderr] Checking futures v0.3.15 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking tokio-tls v0.3.1 [INFO] [stderr] Checking h2 v0.2.7 [INFO] [stderr] Checking hyper v0.13.10 [INFO] [stderr] Checking hyper-tls v0.4.3 [INFO] [stderr] Checking reqwest v0.10.10 [INFO] [stderr] Checking simple-rust-crawler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `task` [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | task, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `task` [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | task, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `prelude` [INFO] [stdout] --> src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | prelude::*, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `page_text` [INFO] [stdout] --> src/main.rs:64:24 [INFO] [stdout] | [INFO] [stdout] 64 | if let Ok((page_text, page_links)) = r { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_text` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:110:5 [INFO] [stdout] | [INFO] [stdout] 110 | Runtime::new().expect("Failed to create runtime").block_on(run(start_url)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `prelude` [INFO] [stdout] --> src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | prelude::*, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `page_text` [INFO] [stdout] --> src/main.rs:64:24 [INFO] [stdout] | [INFO] [stdout] 64 | if let Ok((page_text, page_links)) = r { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_text` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:110:5 [INFO] [stdout] | [INFO] [stdout] 110 | Runtime::new().expect("Failed to create runtime").block_on(run(start_url)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 25s [INFO] running `Command { std: "docker" "inspect" "3da2802d25c8ca928661a1c978b2f79f0fb0aeea9539a1a72b14e8143b138d16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3da2802d25c8ca928661a1c978b2f79f0fb0aeea9539a1a72b14e8143b138d16", kill_on_drop: false }` [INFO] [stdout] 3da2802d25c8ca928661a1c978b2f79f0fb0aeea9539a1a72b14e8143b138d16