[INFO] crate twiggy-traits 0.6.0 is already in cache
[INFO] checking twiggy-traits-0.6.0 against master#0d2817a439c2ad9fe343f6347eb6d90947893363 for pr-67531
[INFO] extracting crate twiggy-traits 0.6.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate twiggy-traits 0.6.0 on toolchain 0d2817a439c2ad9fe343f6347eb6d90947893363
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate twiggy-traits 0.6.0
[INFO] finished tweaking crates.io crate twiggy-traits 0.6.0
[INFO] tweaked toml for crates.io crate twiggy-traits 0.6.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "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-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" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "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] d7f3fc8bb8e833feb63ff546dbe3b3434fba4101321abf788f77a9fe58bd2f0f
[INFO] running `"docker" "start" "-a" "d7f3fc8bb8e833feb63ff546dbe3b3434fba4101321abf788f77a9fe58bd2f0f"`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking frozen v1.0.0
[INFO] [stderr]     Checking wasmparser v0.31.1
[INFO] [stderr]     Checking memchr v2.2.1
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]    Compiling cpp_demangle v0.2.14
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking twiggy-ir v0.6.0
[INFO] [stderr]     Checking twiggy-traits v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `items`
[INFO] [stderr]    --> traits.rs:224:9
[INFO] [stderr]     |
[INFO] [stderr] 224 |         items: &ir::Items,
[INFO] [stderr]     |         ^^^^^ help: consider prefixing with an underscore: `_items`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `destination`
[INFO] [stderr]    --> traits.rs:225:9
[INFO] [stderr]     |
[INFO] [stderr] 225 |         destination: &mut dyn io::Write,
[INFO] [stderr]     |         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_destination`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `items`
[INFO] [stderr]    --> traits.rs:224:9
[INFO] [stderr]     |
[INFO] [stderr] 224 |         items: &ir::Items,
[INFO] [stderr]     |         ^^^^^ help: consider prefixing with an underscore: `_items`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `destination`
[INFO] [stderr]    --> traits.rs:225:9
[INFO] [stderr]     |
[INFO] [stderr] 225 |         destination: &mut dyn io::Write,
[INFO] [stderr]     |         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_destination`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.70s
[INFO] running `"docker" "inspect" "d7f3fc8bb8e833feb63ff546dbe3b3434fba4101321abf788f77a9fe58bd2f0f"`
[INFO] running `"docker" "rm" "-f" "d7f3fc8bb8e833feb63ff546dbe3b3434fba4101321abf788f77a9fe58bd2f0f"`
[INFO] [stdout] d7f3fc8bb8e833feb63ff546dbe3b3434fba4101321abf788f77a9fe58bd2f0f