[INFO] fetching crate algorithm-problem-client 0.6.0... [INFO] checking algorithm-problem-client-0.6.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate algorithm-problem-client 0.6.0 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate algorithm-problem-client 0.6.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate algorithm-problem-client 0.6.0 [INFO] finished tweaking crates.io crate algorithm-problem-client 0.6.0 [INFO] tweaked toml for crates.io crate algorithm-problem-client 0.6.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 174 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding bytes v0.4.12 (latest: v1.7.1) [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: v0.5.13) [INFO] [stderr] Adding crossbeam-utils v0.6.6 (latest: v0.8.20) [INFO] [stderr] Adding cssparser v0.27.2 (latest: v0.34.0) [INFO] [stderr] Adding derive_more v0.99.18 (latest: v1.0.0) [INFO] [stderr] Adding dtoa v0.4.8 (latest: v1.0.9) [INFO] [stderr] Adding ego-tree v0.6.3 (latest: v0.9.0) [INFO] [stderr] Adding futures v0.1.31 (latest: v0.3.30) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.15) [INFO] [stderr] Adding hermit-abi v0.3.9 (latest: v0.4.0) [INFO] [stderr] Adding html5ever v0.25.2 (latest: v0.28.0) [INFO] [stderr] Adding http v0.1.21 (latest: v1.1.0) [INFO] [stderr] Adding idna v0.5.0 (latest: v1.0.2) [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: v0.13.0) [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 scraper v0.12.0 (latest: v0.20.0) [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: v2.0.77) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding wasm-bindgen-futures v0.3.27 (latest: v0.4.43) [INFO] [stderr] Adding windows-core v0.52.0 (latest: v0.58.0) [INFO] [stderr] Adding windows-sys v0.52.0 (latest: v0.59.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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 value-bag v1.9.0 [INFO] [stderr] Downloaded tokio-io v0.1.13 [INFO] [stderr] Downloaded phf_generator v0.10.0 [INFO] [stderr] Downloaded core-foundation-sys v0.8.7 [INFO] [stderr] Downloaded derive_more v0.99.18 [INFO] [stderr] Downloaded cssparser v0.27.2 [INFO] [stderr] Downloaded html5ever v0.25.2 [INFO] [stderr] Downloaded futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded curl v0.4.46 [INFO] [stderr] Downloaded http v0.1.21 [INFO] [stderr] Downloaded chrono v0.4.38 [INFO] [stderr] Downloaded vcpkg v0.2.15 [INFO] [stderr] Downloaded crossbeam-channel v0.3.9 [INFO] [stderr] Downloaded openssl-sys v0.9.103 [INFO] [stderr] Downloaded bytes v0.4.12 [INFO] [stderr] Downloaded futures v0.1.31 [INFO] [stderr] Downloaded servo_arc v0.1.1 [INFO] [stderr] Downloaded selectors v0.22.0 [INFO] [stderr] Downloaded tendril v0.4.3 [INFO] [stderr] Downloaded futures-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded schannel v0.1.23 [INFO] [stderr] Downloaded mime_guess v2.0.5 [INFO] [stderr] Downloaded futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded futures-sink-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded iana-time-zone v0.1.60 [INFO] [stderr] Downloaded ego-tree v0.6.3 [INFO] [stderr] Downloaded getopts v0.2.21 [INFO] [stderr] Downloaded sluice v0.4.2 [INFO] [stderr] Downloaded libz-sys v1.1.20 [INFO] [stderr] Downloaded surf v1.0.3 [INFO] [stderr] Downloaded string_cache v0.8.7 [INFO] [stderr] Downloaded markup5ever v0.10.1 [INFO] [stderr] Downloaded dtoa v1.0.9 [INFO] [stderr] Downloaded phf_macros v0.8.0 [INFO] [stderr] Downloaded proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Downloaded rand_pcg v0.2.1 [INFO] [stderr] Downloaded precomputed-hash v0.1.1 [INFO] [stderr] Downloaded futf v0.1.5 [INFO] [stderr] Downloaded isahc v0.7.6 [INFO] [stderr] Downloaded utf-8 v0.7.6 [INFO] [stderr] Downloaded scraper v0.12.0 [INFO] [stderr] Downloaded futures-executor-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded crossbeam-utils v0.6.6 [INFO] [stderr] Downloaded openssl-probe v0.1.5 [INFO] [stderr] Downloaded pkg-config v0.3.30 [INFO] [stderr] Downloaded unicase v2.7.0 [INFO] [stderr] Downloaded dtoa v0.4.8 [INFO] [stderr] Downloaded itoa v0.4.8 [INFO] [stderr] Downloaded serde_urlencoded v0.6.1 [INFO] [stderr] Downloaded futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded futures-io-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded iovec v0.1.4 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.3.27 [INFO] [stderr] Downloaded phf_shared v0.10.0 [INFO] [stderr] Downloaded string_cache_codegen v0.5.2 [INFO] [stderr] Downloaded cssparser-macros v0.6.1 [INFO] [stderr] Downloaded dtoa-short v0.3.5 [INFO] [stderr] Downloaded convert_case v0.4.0 [INFO] [stderr] Downloaded fxhash v0.2.1 [INFO] [stderr] Downloaded phf v0.8.0 [INFO] [stderr] Downloaded phf_generator v0.8.0 [INFO] [stderr] Downloaded siphasher v0.3.11 [INFO] [stderr] Downloaded phf_shared v0.8.0 [INFO] [stderr] Downloaded phf_codegen v0.8.0 [INFO] [stderr] Downloaded nodrop v0.1.14 [INFO] [stderr] Downloaded thin-slice v0.1.1 [INFO] [stderr] Downloaded new_debug_unreachable v1.0.6 [INFO] [stderr] Downloaded mac v0.1.1 [INFO] [stderr] Downloaded curl-sys v0.4.74+curl-8.9.0 [INFO] [stderr] Downloaded libnghttp2-sys v0.1.10+1.61.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e0d5796866313b627d1e56b205cfc02c64971aaaf891f620f2278085fea6b830 [INFO] running `Command { std: "docker" "start" "-a" "e0d5796866313b627d1e56b205cfc02c64971aaaf891f620f2278085fea6b830", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e0d5796866313b627d1e56b205cfc02c64971aaaf891f620f2278085fea6b830", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0d5796866313b627d1e56b205cfc02c64971aaaf891f620f2278085fea6b830", kill_on_drop: false }` [INFO] [stdout] e0d5796866313b627d1e56b205cfc02c64971aaaf891f620f2278085fea6b830 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 61a43213f471114820be143e6310813eeee123f01db4c84e72257b20af026794 [INFO] running `Command { std: "docker" "start" "-a" "61a43213f471114820be143e6310813eeee123f01db4c84e72257b20af026794", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Compiling siphasher v0.3.11 [INFO] [stderr] Compiling pkg-config v0.3.30 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking value-bag v1.9.0 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling cc v1.1.15 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Compiling phf_shared v0.10.0 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-sink-preview v0.3.0-alpha.19 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Checking tinyvec_macros v0.1.1 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking futures-io-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Checking new_debug_unreachable v1.0.6 [INFO] [stderr] Compiling unicase v2.7.0 [INFO] [stderr] Checking tinyvec v1.8.0 [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 lazy_static v1.5.0 [INFO] [stderr] Checking dtoa v1.0.9 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking unicode-bidi v0.3.15 [INFO] [stderr] Compiling curl v0.4.46 [INFO] [stderr] Checking utf-8 v0.7.6 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking percent-encoding v2.3.1 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking tendril v0.4.3 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling mime_guess v2.0.5 [INFO] [stderr] Checking form_urlencoded v1.2.1 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking dtoa-short v0.3.5 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking socket2 v0.5.7 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking matches v0.1.10 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling isahc v0.7.6 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Compiling serde_json v1.0.127 [INFO] [stderr] Checking openssl-probe v0.1.5 [INFO] [stderr] Checking servo_arc v0.1.1 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking unicode-normalization v0.1.23 [INFO] [stderr] Checking sluice v0.4.2 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Compiling thiserror v1.0.63 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking unicode-width v0.1.13 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Checking mime v0.3.17 [INFO] [stderr] Checking thin-slice v0.1.1 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking iana-time-zone v0.1.60 [INFO] [stderr] Checking ego-tree v0.6.3 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Compiling libz-sys v1.1.20 [INFO] [stderr] Compiling libnghttp2-sys v0.1.10+1.61.0 [INFO] [stderr] Compiling openssl-sys v0.9.103 [INFO] [stderr] Compiling curl-sys v0.4.74+curl-8.9.0 [INFO] [stderr] Checking chrono v0.4.38 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Checking url v2.5.2 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling cssparser-macros v0.6.1 [INFO] [stderr] Compiling derive_more v0.99.18 [INFO] [stderr] Compiling thiserror-impl v1.0.63 [INFO] [stderr] Compiling cssparser v0.27.2 [INFO] [stderr] Compiling html5ever v0.25.2 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Compiling zerocopy v0.7.35 [INFO] [stderr] Compiling ppv-lite86 v0.2.20 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Compiling phf_codegen v0.8.0 [INFO] [stderr] Compiling phf_macros v0.8.0 [INFO] [stderr] Compiling selectors v0.22.0 [INFO] [stderr] Compiling phf_generator v0.10.0 [INFO] [stderr] Compiling string_cache_codegen v0.5.2 [INFO] [stderr] Checking phf v0.8.0 [INFO] [stderr] Compiling markup5ever v0.10.1 [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 28.39s [INFO] running `Command { std: "docker" "inspect" "61a43213f471114820be143e6310813eeee123f01db4c84e72257b20af026794", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61a43213f471114820be143e6310813eeee123f01db4c84e72257b20af026794", kill_on_drop: false }` [INFO] [stdout] 61a43213f471114820be143e6310813eeee123f01db4c84e72257b20af026794