[INFO] cloning repository https://github.com/kenkoooo/algorithm-problem-client [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kenkoooo/algorithm-problem-client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkenkoooo%2Falgorithm-problem-client", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkenkoooo%2Falgorithm-problem-client'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 03eb5d147a4332231882b2482cb278db9bc8a6a1 [INFO] checking kenkoooo/algorithm-problem-client against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkenkoooo%2Falgorithm-problem-client" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kenkoooo/algorithm-problem-client on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kenkoooo/algorithm-problem-client [INFO] finished tweaking git repo https://github.com/kenkoooo/algorithm-problem-client [INFO] tweaked toml for git repo https://github.com/kenkoooo/algorithm-problem-client written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 177 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding bytes v0.4.12 (latest: v1.6.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding convert_case v0.4.0 (latest: v0.6.0) [INFO] [stderr] Adding crossbeam-channel v0.3.9 (latest: v0.5.12) [INFO] [stderr] Adding crossbeam-utils v0.6.6 (latest: v0.8.19) [INFO] [stderr] Adding cssparser v0.27.2 (latest: v0.33.0) [INFO] [stderr] Adding dtoa v0.4.8 (latest: v1.0.9) [INFO] [stderr] Adding futures v0.1.31 (latest: v0.3.30) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.13) [INFO] [stderr] Adding html5ever v0.25.2 (latest: v0.27.0) [INFO] [stderr] Adding http v0.1.21 (latest: v1.1.0) [INFO] [stderr] Adding isahc v0.7.6 (latest: v1.7.2) [INFO] [stderr] Adding itoa v0.4.8 (latest: v1.0.11) [INFO] [stderr] Adding markup5ever v0.10.1 (latest: v0.12.0) [INFO] [stderr] Adding phf v0.8.0 (latest: v0.11.2) [INFO] [stderr] Adding phf_codegen v0.8.0 (latest: v0.11.2) [INFO] [stderr] Adding phf_generator v0.8.0 (latest: v0.11.2) [INFO] [stderr] Adding phf_generator v0.10.0 (latest: v0.11.2) [INFO] [stderr] Adding phf_macros v0.8.0 (latest: v0.11.2) [INFO] [stderr] Adding phf_shared v0.8.0 (latest: v0.11.2) [INFO] [stderr] Adding phf_shared v0.10.0 (latest: v0.11.2) [INFO] [stderr] Adding rand v0.7.3 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.5.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (latest: v0.3.2) [INFO] [stderr] Adding rand_pcg v0.2.1 (latest: v0.3.1) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding scraper v0.12.0 (latest: v0.19.0) [INFO] [stderr] Adding selectors v0.22.0 (latest: v0.25.0) [INFO] [stderr] Adding serde_urlencoded v0.6.1 (latest: v0.7.1) [INFO] [stderr] Adding servo_arc v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding siphasher v0.3.11 (latest: v1.0.1) [INFO] [stderr] Adding sluice v0.4.2 (latest: v0.5.5) [INFO] [stderr] Adding surf v1.0.3 (latest: v2.3.2) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding wasm-bindgen-futures v0.3.27 (latest: v0.4.42) [INFO] [stderr] Adding windows-core v0.52.0 (latest: v0.55.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded sluice v0.4.2 [INFO] [stderr] Downloaded isahc v0.7.6 [INFO] [stderr] Downloaded surf v1.0.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4d55c4d35e4d8ebd4e1fe0d960a732bb616949c2ddb0583be0c8ba90ed5f6dfe [INFO] running `Command { std: "docker" "start" "-a" "4d55c4d35e4d8ebd4e1fe0d960a732bb616949c2ddb0583be0c8ba90ed5f6dfe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4d55c4d35e4d8ebd4e1fe0d960a732bb616949c2ddb0583be0c8ba90ed5f6dfe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d55c4d35e4d8ebd4e1fe0d960a732bb616949c2ddb0583be0c8ba90ed5f6dfe", kill_on_drop: false }` [INFO] [stdout] 4d55c4d35e4d8ebd4e1fe0d960a732bb616949c2ddb0583be0c8ba90ed5f6dfe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f123260e5d5b83401f9e792c4b0fbfb5ea74d51a74c0e4677c925a7bbc6a8261 [INFO] running `Command { std: "docker" "start" "-a" "f123260e5d5b83401f9e792c4b0fbfb5ea74d51a74c0e4677c925a7bbc6a8261", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling siphasher v0.3.11 [INFO] [stderr] Compiling cc v1.0.90 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling pkg-config v0.3.30 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking value-bag v1.8.1 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling phf_shared v0.10.0 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-sink-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Checking tinyvec_macros v0.1.1 [INFO] [stderr] Compiling unicase v2.7.0 [INFO] [stderr] Checking new_debug_unreachable v1.0.6 [INFO] [stderr] Checking futures-io-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Checking precomputed-hash v0.1.1 [INFO] [stderr] Checking mac v0.1.1 [INFO] [stderr] Checking futf v0.1.5 [INFO] [stderr] Checking unicode-bidi v0.3.15 [INFO] [stderr] Checking utf-8 v0.7.6 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking percent-encoding v2.3.1 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking dtoa v1.0.9 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling curl v0.4.46 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking form_urlencoded v1.2.1 [INFO] [stderr] Checking dtoa-short v0.3.4 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking tendril v0.4.3 [INFO] [stderr] Compiling getrandom v0.2.13 [INFO] [stderr] Compiling mime_guess v2.0.4 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking openssl-probe v0.1.5 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling isahc v0.7.6 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Checking matches v0.1.10 [INFO] [stderr] Compiling serde_json v1.0.115 [INFO] [stderr] Checking servo_arc v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking socket2 v0.5.6 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Checking sluice v0.4.2 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Checking ryu v1.0.17 [INFO] [stderr] Checking unicode-normalization v0.1.23 [INFO] [stderr] Checking mime v0.3.17 [INFO] [stderr] Checking thin-slice v0.1.1 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Compiling libnghttp2-sys v0.1.9+1.58.0 [INFO] [stderr] Compiling libz-sys v1.1.16 [INFO] [stderr] Compiling openssl-sys v0.9.102 [INFO] [stderr] Compiling curl-sys v0.4.72+curl-8.6.0 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Checking iana-time-zone v0.1.60 [INFO] [stderr] Checking ego-tree v0.6.2 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Compiling phf_codegen v0.8.0 [INFO] [stderr] Compiling phf_generator v0.10.0 [INFO] [stderr] Compiling selectors v0.22.0 [INFO] [stderr] Compiling string_cache_codegen v0.5.2 [INFO] [stderr] Checking chrono v0.4.37 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Compiling markup5ever v0.10.1 [INFO] [stderr] Checking regex-automata v0.4.6 [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 v1.0.197 [INFO] [stderr] Compiling cssparser-macros v0.6.1 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling phf_macros v0.8.0 [INFO] [stderr] Compiling cssparser v0.27.2 [INFO] [stderr] Compiling html5ever v0.25.2 [INFO] [stderr] Compiling derive_more v0.99.17 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking phf v0.8.0 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking string_cache v0.8.7 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking surf v1.0.3 [INFO] [stderr] Checking scraper v0.12.0 [INFO] [stderr] Checking algorithm-problem-client v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `url` is never used [INFO] [stdout] --> src/util.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 21 | pub trait Problem { [INFO] [stdout] | ------- method in this trait [INFO] [stdout] 22 | fn url(&self) -> String; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.36s [INFO] running `Command { std: "docker" "inspect" "f123260e5d5b83401f9e792c4b0fbfb5ea74d51a74c0e4677c925a7bbc6a8261", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f123260e5d5b83401f9e792c4b0fbfb5ea74d51a74c0e4677c925a7bbc6a8261", kill_on_drop: false }` [INFO] [stdout] f123260e5d5b83401f9e792c4b0fbfb5ea74d51a74c0e4677c925a7bbc6a8261