[INFO] crate headless_chrome 0.9.0 is already in cache
[INFO] checking headless_chrome-0.9.0 against try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140
[INFO] extracting crate headless_chrome 0.9.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate headless_chrome 0.9.0 on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate headless_chrome 0.9.0
[INFO] finished tweaking crates.io crate headless_chrome 0.9.0
[INFO] tweaked toml for crates.io crate headless_chrome 0.9.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate headless_chrome 0.9.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "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] 704f7d3227d3538c4dfc848f82f52aea89d5c4dcab6f4b06b31370b6d3a1fae2
[INFO] running `"docker" "start" "-a" "704f7d3227d3538c4dfc848f82f52aea89d5c4dcab6f4b06b31370b6d3a1fae2"`
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking png v0.15.0
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking tiny_http v0.6.2
[INFO] [stderr]     Checking backtrace v0.3.35
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking which v2.0.1
[INFO] [stderr]     Checking websocket v0.23.0
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking headless_chrome v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.54s
[INFO] running `"docker" "inspect" "704f7d3227d3538c4dfc848f82f52aea89d5c4dcab6f4b06b31370b6d3a1fae2"`
[INFO] running `"docker" "rm" "-f" "704f7d3227d3538c4dfc848f82f52aea89d5c4dcab6f4b06b31370b6d3a1fae2"`
[INFO] [stdout] 704f7d3227d3538c4dfc848f82f52aea89d5c4dcab6f4b06b31370b6d3a1fae2