[INFO] cloning repository https://github.com/chaudharypraveen98/stackoverflow-scraping-with-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chaudharypraveen98/stackoverflow-scraping-with-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchaudharypraveen98%2Fstackoverflow-scraping-with-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchaudharypraveen98%2Fstackoverflow-scraping-with-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4b6065d0e56effd6ede7c112e0d5fcc1dff846bc [INFO] testing chaudharypraveen98/stackoverflow-scraping-with-rust against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchaudharypraveen98%2Fstackoverflow-scraping-with-rust" "/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/chaudharypraveen98/stackoverflow-scraping-with-rust on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/chaudharypraveen98/stackoverflow-scraping-with-rust [INFO] finished tweaking git repo https://github.com/chaudharypraveen98/stackoverflow-scraping-with-rust [INFO] tweaked toml for git repo https://github.com/chaudharypraveen98/stackoverflow-scraping-with-rust written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/chaudharypraveen98/stackoverflow-scraping-with-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6e52982d5e8dfcd8b9420fb9db5ec24ac879bc20b53c3d2233c48437dbb0a9b8 [INFO] running `Command { std: "docker" "start" "-a" "6e52982d5e8dfcd8b9420fb9db5ec24ac879bc20b53c3d2233c48437dbb0a9b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6e52982d5e8dfcd8b9420fb9db5ec24ac879bc20b53c3d2233c48437dbb0a9b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e52982d5e8dfcd8b9420fb9db5ec24ac879bc20b53c3d2233c48437dbb0a9b8", kill_on_drop: false }` [INFO] [stdout] 6e52982d5e8dfcd8b9420fb9db5ec24ac879bc20b53c3d2233c48437dbb0a9b8 [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=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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c81bc65a49b3c5b506e53daaefc9336e656b7b1f823cb6c273fe3b0cb13a4dab [INFO] running `Command { std: "docker" "start" "-a" "c81bc65a49b3c5b506e53daaefc9336e656b7b1f823cb6c273fe3b0cb13a4dab", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling siphasher v0.3.5 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling cc v1.0.68 [INFO] [stderr] Compiling slab v0.4.3 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling mac v0.1.1 [INFO] [stderr] Compiling pin-project-lite v0.1.12 [INFO] [stderr] Compiling futures-task v0.3.15 [INFO] [stderr] Compiling pin-project-lite v0.2.6 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling foreign-types-shared v0.1.1 [INFO] [stderr] Compiling bytes v1.0.1 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling openssl v0.10.34 [INFO] [stderr] Compiling once_cell v1.7.2 [INFO] [stderr] Compiling httparse v1.4.1 [INFO] [stderr] Compiling hashbrown v0.9.1 [INFO] [stderr] Compiling native-tls v0.2.7 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling futures-sink v0.3.15 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Compiling openssl-probe v0.1.4 [INFO] [stderr] Compiling httpdate v0.3.2 [INFO] [stderr] Compiling encoding_rs v0.8.28 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling ipnet v2.3.0 [INFO] [stderr] Compiling tracing-core v0.1.18 [INFO] [stderr] Compiling tinyvec v1.2.0 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling futf v0.1.4 [INFO] [stderr] Compiling foreign-types v0.3.2 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling form_urlencoded v1.0.1 [INFO] [stderr] Compiling unicode-bidi v0.3.5 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling tendril v0.4.2 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling phf v0.8.0 [INFO] [stderr] Compiling tracing v0.1.26 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling http v0.2.4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling openssl-sys v0.9.63 [INFO] [stderr] Compiling unicode-normalization v0.1.19 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling socket2 v0.3.19 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling idna v0.2.3 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling http-body v0.3.1 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling string_cache v0.8.1 [INFO] [stderr] Compiling serde_urlencoded v0.7.0 [INFO] [stderr] Compiling url v2.2.2 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Compiling string_cache_codegen v0.5.1 [INFO] [stderr] Compiling phf_codegen v0.8.0 [INFO] [stderr] Compiling markup5ever v0.10.1 [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] Compiling tokio v0.2.25 [INFO] [stderr] Compiling pin-project v1.0.7 [INFO] [stderr] Compiling tracing-futures v0.2.5 [INFO] [stderr] Compiling xml5ever v0.16.1 [INFO] [stderr] Compiling markup5ever_rcdom v0.1.0 [INFO] [stderr] Compiling select v0.6.0-alpha.1 [INFO] [stderr] Compiling tokio-util v0.3.1 [INFO] [stderr] Compiling tokio-tls v0.3.1 [INFO] [stderr] Compiling h2 v0.2.7 [INFO] [stderr] Compiling hyper v0.13.10 [INFO] [stderr] Compiling hyper-tls v0.4.3 [INFO] [stderr] Compiling reqwest v0.10.10 [INFO] [stderr] Compiling stackoverflow-scraping-with-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | hacker_news(&url, count as usize); [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: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | hacker_news(&url, 16); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | hacker_news(&url, count as usize); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | hacker_news(&url, 16); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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 11s [INFO] running `Command { std: "docker" "inspect" "c81bc65a49b3c5b506e53daaefc9336e656b7b1f823cb6c273fe3b0cb13a4dab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c81bc65a49b3c5b506e53daaefc9336e656b7b1f823cb6c273fe3b0cb13a4dab", kill_on_drop: false }` [INFO] [stdout] c81bc65a49b3c5b506e53daaefc9336e656b7b1f823cb6c273fe3b0cb13a4dab [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=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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0a68129e67ea4742d366576e952f9b7c20f71a987aa7e9d5a2dafb84c4af3d20 [INFO] running `Command { std: "docker" "start" "-a" "0a68129e67ea4742d366576e952f9b7c20f71a987aa7e9d5a2dafb84c4af3d20", kill_on_drop: false }` [INFO] [stderr] Compiling stackoverflow-scraping-with-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | hacker_news(&url, count as usize); [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: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | hacker_news(&url, 16); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | hacker_news(&url, count as usize); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | hacker_news(&url, 16); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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 test [unoptimized + debuginfo] target(s) in 0.88s [INFO] running `Command { std: "docker" "inspect" "0a68129e67ea4742d366576e952f9b7c20f71a987aa7e9d5a2dafb84c4af3d20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a68129e67ea4742d366576e952f9b7c20f71a987aa7e9d5a2dafb84c4af3d20", kill_on_drop: false }` [INFO] [stdout] 0a68129e67ea4742d366576e952f9b7c20f71a987aa7e9d5a2dafb84c4af3d20 [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=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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0c3786fb26d3c2fcb752a7c2493749f51e63eb0fd15268b33e3987267572a59d [INFO] running `Command { std: "docker" "start" "-a" "0c3786fb26d3c2fcb752a7c2493749f51e63eb0fd15268b33e3987267572a59d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 38 | hacker_news(&url, count as usize); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:44:9 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 44 | hacker_news(&url, 16); [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:48:9 [INFO] [stderr] | [INFO] [stderr] 48 | hacker_news(&url, count as usize); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:51:9 [INFO] [stderr] | [INFO] [stderr] 51 | hacker_news(&url, 16); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `stackoverflow-scraping-with-rust` (bin "stackoverflow-scraping-with-rust" test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.40s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/stackoverflow_scraping_with_rust-9a279db278a0b5a7) [INFO] running `Command { std: "docker" "inspect" "0c3786fb26d3c2fcb752a7c2493749f51e63eb0fd15268b33e3987267572a59d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c3786fb26d3c2fcb752a7c2493749f51e63eb0fd15268b33e3987267572a59d", kill_on_drop: false }` [INFO] [stdout] 0c3786fb26d3c2fcb752a7c2493749f51e63eb0fd15268b33e3987267572a59d