[INFO] fetching crate sauron-markdown 0.34.0... [INFO] testing sauron-markdown-0.34.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] extracting crate sauron-markdown 0.34.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate sauron-markdown 0.34.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate sauron-markdown 0.34.0 [INFO] finished tweaking crates.io crate sauron-markdown 0.34.0 [INFO] tweaked toml for crates.io crate sauron-markdown 0.34.0 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 459be5f71ea866ecd4ff6340a9dfee21fb6ff4c9df689e829dacf9fd9804fb0e [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" "459be5f71ea866ecd4ff6340a9dfee21fb6ff4c9df689e829dacf9fd9804fb0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "459be5f71ea866ecd4ff6340a9dfee21fb6ff4c9df689e829dacf9fd9804fb0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "459be5f71ea866ecd4ff6340a9dfee21fb6ff4c9df689e829dacf9fd9804fb0e", kill_on_drop: false }` [INFO] [stdout] 459be5f71ea866ecd4ff6340a9dfee21fb6ff4c9df689e829dacf9fd9804fb0e [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a7ca11736b7584127346a315c523fd8cd6c51bab44d4b4d96154fe49350fe436 [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" "a7ca11736b7584127346a315c523fd8cd6c51bab44d4b4d96154fe49350fe436", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling siphasher v0.3.5 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.74 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling bumpalo v3.7.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling utf-8 v0.7.6 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling wasm-bindgen v0.2.74 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling pulldown-cmark v0.8.0 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling tendril v0.4.2 [INFO] [stderr] Compiling form_urlencoded v1.0.1 [INFO] [stderr] Compiling getopts v0.2.21 [INFO] [stderr] Compiling phf v0.8.0 [INFO] [stderr] Compiling string_cache v0.8.1 [INFO] [stderr] Compiling url v2.2.2 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling mt-dom v0.6.2 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand v0.7.3 [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] Compiling markup5ever v0.10.1 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.74 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.74 [INFO] [stderr] Compiling xml5ever v0.16.1 [INFO] [stderr] Compiling html5ever v0.25.1 [INFO] [stderr] Compiling thiserror-impl v1.0.26 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.74 [INFO] [stderr] Compiling thiserror v1.0.26 [INFO] [stderr] Compiling js-sys v0.3.51 [INFO] [stderr] Compiling markup5ever_rcdom v0.1.0 [INFO] [stderr] Compiling ammonia v3.1.2 [INFO] [stderr] Compiling web-sys v0.3.51 [INFO] [stderr] Compiling sauron-core v0.34.0 [INFO] [stderr] Compiling sauron-parse v0.34.0 [INFO] [stderr] Compiling sauron-markdown v0.34.0 (/opt/rustwide/workdir) [INFO] [stdout] error: field is never read: `title` [INFO] [stdout] --> src/markdown.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | pub(crate) title: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | warnings, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `sauron-markdown` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "a7ca11736b7584127346a315c523fd8cd6c51bab44d4b4d96154fe49350fe436", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7ca11736b7584127346a315c523fd8cd6c51bab44d4b4d96154fe49350fe436", kill_on_drop: false }` [INFO] [stdout] a7ca11736b7584127346a315c523fd8cd6c51bab44d4b4d96154fe49350fe436