[INFO] fetching crate nipper 0.1.4...
[INFO] checking nipper-0.1.4 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate nipper 0.1.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate nipper 0.1.4 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate nipper 0.1.4
[INFO] finished tweaking crates.io crate nipper 0.1.4
[INFO] tweaked toml for crates.io crate nipper 0.1.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate nipper 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aa8d3d064d4b30f26bbc79e8c75bbf7faa40a65392bc4f7d8177b64ecee67f3e
[INFO] running `"docker" "start" "-a" "aa8d3d064d4b30f26bbc79e8c75bbf7faa40a65392bc4f7d8177b64ecee67f3e"`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling siphasher v0.3.1
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking tokio v0.1.22
[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 selectors v0.22.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking h2 v0.2.4
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling derive_more v0.99.2
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking hyper v0.13.4
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking reqwest v0.10.4
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]    Compiling markup5ever v0.7.5
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]     Checking html5ever v0.22.5
[INFO] [stderr]     Checking readability v0.1.5
[INFO] [stderr]     Checking nipper v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `get_article_title`
[INFO] [stderr]    --> examples/readability.rs:374:4
[INFO] [stderr]     |
[INFO] [stderr] 374 | fn get_article_title(doc: &Document) -> Option<String> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 28s
[INFO] running `"docker" "inspect" "aa8d3d064d4b30f26bbc79e8c75bbf7faa40a65392bc4f7d8177b64ecee67f3e"`
[INFO] running `"docker" "rm" "-f" "aa8d3d064d4b30f26bbc79e8c75bbf7faa40a65392bc4f7d8177b64ecee67f3e"`
[INFO] [stdout] aa8d3d064d4b30f26bbc79e8c75bbf7faa40a65392bc4f7d8177b64ecee67f3e