[INFO] fetching crate toks 1.0.0...
[INFO] checking toks-1.0.0 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate toks 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate toks 1.0.0 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate toks 1.0.0
[INFO] finished tweaking crates.io crate toks 1.0.0
[INFO] tweaked toml for crates.io crate toks 1.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate toks 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6dec3d3f1e45fe5df1a6f66e803b00da2ff73c94618924b4e5f70241956838cc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "6dec3d3f1e45fe5df1a6f66e803b00da2ff73c94618924b4e5f70241956838cc"`
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling proc-macro2 v0.4.28
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v0.6.12
[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 serde_derive v1.0.90
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]     Checking xml5ever v0.16.1
[INFO] [stderr]     Checking markup5ever_rcdom v0.1.0
[INFO] [stderr]     Checking toks v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `self::html5ever::rcdom`
[INFO] [stderr]  --> benches/count_links.rs:8:22
[INFO] [stderr]   |
[INFO] [stderr] 8 | use self::html5ever::rcdom::{Handle, RcDom};
[INFO] [stderr]   |                      ^^^^^ could not find `rcdom` in `html5ever`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `toks`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "6dec3d3f1e45fe5df1a6f66e803b00da2ff73c94618924b4e5f70241956838cc"`
[INFO] running `"docker" "rm" "-f" "6dec3d3f1e45fe5df1a6f66e803b00da2ff73c94618924b4e5f70241956838cc"`
[INFO] [stdout] 6dec3d3f1e45fe5df1a6f66e803b00da2ff73c94618924b4e5f70241956838cc