[INFO] updating cached repository https://github.com/kaaboaye/crawler
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 08afe96964765837fa53d1f8292df26598ae2424
[INFO] checking kaaboaye/crawler against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaaboaye%2Fcrawler" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kaaboaye/crawler on toolchain 74e80468347471779be6060d8d7d6d04e98e467f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kaaboaye/crawler
[INFO] finished tweaking git repo https://github.com/kaaboaye/crawler
[INFO] tweaked toml for git repo https://github.com/kaaboaye/crawler written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/kaaboaye/crawler already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: Patch `surfman v0.2.0 (https://github.com/servo/surfman#bc084411)` was not used in the crate graph.
[INFO] [stderr] Patch `surfman-chains v0.3.0 (https://github.com/asajeffrey/surfman-chains#b949a240)` was not used in the crate graph.
[INFO] [stderr] Check that the patched package version and available features are compatible
[INFO] [stderr] with the dependency requirements. If the patch has a different version from
[INFO] [stderr] what is locked in the Cargo.lock file, run `cargo update` to use the new
[INFO] [stderr] version. This may also occur with an optional dependency that is not enabled.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+74e80468347471779be6060d8d7d6d04e98e467f" "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] 435777eee70f7b04ae4ee3ae3887a2912786fc05db4bb8be0aa25383a461c275
[INFO] running `"docker" "start" "-a" "435777eee70f7b04ae4ee3ae3887a2912786fc05db4bb8be0aa25383a461c275"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: Patch `surfman v0.2.0 (https://github.com/servo/surfman#bc084411)` was not used in the crate graph.
[INFO] [stderr] Patch `surfman-chains v0.3.0 (https://github.com/asajeffrey/surfman-chains#b949a240)` was not used in the crate graph.
[INFO] [stderr] Check that the patched package version and available features are compatible
[INFO] [stderr] with the dependency requirements. If the patch has a different version from
[INFO] [stderr] what is locked in the Cargo.lock file, run `cargo update` to use the new
[INFO] [stderr] version. This may also occur with an optional dependency that is not enabled.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]     Checking futures v0.1.28
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]     Checking byte-tools v0.3.0
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]    Compiling ident_case v1.0.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.1
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]     Checking smallvec v1.3.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking regex-syntax v0.6.16
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking smallbitvec v2.3.0
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking base64 v0.12.0
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking surfman-chains-api v0.2.0
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking getopts v0.2.17
[INFO] [stderr]    Compiling bindgen v0.53.1
[INFO] [stderr]     Checking servo-media-traits v0.1.0 (https://github.com/servo/media#62cd58a9)
[INFO] [stderr]     Checking atom v0.3.5
[INFO] [stderr]     Checking boxfnonce v0.1.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling encoding_c v0.9.7
[INFO] [stderr]     Checking byte-slice-cast v0.2.0
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking colorful v0.2.1
[INFO] [stderr]    Compiling encoding_c_mem v0.2.5
[INFO] [stderr]     Checking speexdsp-resampler v0.1.0
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]     Checking urlencoding v1.0.0
[INFO] [stderr]     Checking signpost v0.1.0 (https://github.com/pcwalton/signpost.git#7ed71250)
[INFO] [stderr]     Checking atomic_refcell v0.1.6
[INFO] [stderr]     Checking mitochondria v1.1.2
[INFO] [stderr]     Checking ref_filter_map v1.0.1
[INFO] [stderr]     Checking ref_slice v1.1.1
[INFO] [stderr]     Checking swapper v0.1.0
[INFO] [stderr]    Compiling script_plugins v0.0.1 (https://github.com/servo/servo.git#58c0b3ef)
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr] error[E0463]: can't find crate for `rustc_ast`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/servo-12bfca331f128de3/58c0b3e/components/script_plugins/lib.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | extern crate rustc_ast;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `script_plugins`.
[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" "435777eee70f7b04ae4ee3ae3887a2912786fc05db4bb8be0aa25383a461c275"`
[INFO] running `"docker" "rm" "-f" "435777eee70f7b04ae4ee3ae3887a2912786fc05db4bb8be0aa25383a461c275"`
[INFO] [stdout] 435777eee70f7b04ae4ee3ae3887a2912786fc05db4bb8be0aa25383a461c275