[INFO] fetching crate feed-rs 0.1.3...
[INFO] checking feed-rs-0.1.3 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate feed-rs 0.1.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate feed-rs 0.1.3 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9b0b97e3ae563ca0d6458b3df14f6b681530c52301ba448263f3aa206a2fc2b2
[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" "9b0b97e3ae563ca0d6458b3df14f6b681530c52301ba448263f3aa206a2fc2b2"`
[INFO] [stderr]     Checking unreachable v0.1.1
[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 uuid v0.8.1
[INFO] [stderr]     Checking debug_unreachable v0.1.1
[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 8.75s
[INFO] running `"docker" "inspect" "9b0b97e3ae563ca0d6458b3df14f6b681530c52301ba448263f3aa206a2fc2b2"`
[INFO] running `"docker" "rm" "-f" "9b0b97e3ae563ca0d6458b3df14f6b681530c52301ba448263f3aa206a2fc2b2"`
[INFO] [stdout] 9b0b97e3ae563ca0d6458b3df14f6b681530c52301ba448263f3aa206a2fc2b2