[INFO] crate feed-rs 0.1.3 is already in cache
[INFO] checking feed-rs-0.1.3 against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] extracting crate feed-rs 0.1.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate feed-rs 0.1.3 on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate feed-rs 0.1.3
[INFO] finished tweaking crates.io crate feed-rs 0.1.3
[INFO] tweaked toml for crates.io crate feed-rs 0.1.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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] c5e59f28fa666790a877e30db1269b0981481ff34cf37b379b19fb933d49b25c
[INFO] running `"docker" "start" "-a" "c5e59f28fa666790a877e30db1269b0981481ff34cf37b379b19fb933d49b25c"`
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking debug_unreachable v0.1.1
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]     Checking tendril v0.3.1
[INFO] [stderr]    Compiling string_cache v0.5.2
[INFO] [stderr]    Compiling markup5ever v0.2.1
[INFO] [stderr]     Checking xml5ever v0.7.0
[INFO] [stderr]     Checking feed-rs v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `rel`
[INFO] [stderr]   --> src/parser/atom.rs:87:33
[INFO] [stderr]    |
[INFO] [stderr] 87 | ...                   rel           => {
[INFO] [stderr]    |                       ^^^ help: consider prefixing with an underscore: `_rel`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rel`
[INFO] [stderr]   --> src/parser/atom.rs:87:33
[INFO] [stderr]    |
[INFO] [stderr] 87 | ...                   rel           => {
[INFO] [stderr]    |                       ^^^ help: consider prefixing with an underscore: `_rel`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.72s
[INFO] running `"docker" "inspect" "c5e59f28fa666790a877e30db1269b0981481ff34cf37b379b19fb933d49b25c"`
[INFO] running `"docker" "rm" "-f" "c5e59f28fa666790a877e30db1269b0981481ff34cf37b379b19fb933d49b25c"`
[INFO] [stdout] c5e59f28fa666790a877e30db1269b0981481ff34cf37b379b19fb933d49b25c