[INFO] fetching crate hbs-acc 0.2.0...
[INFO] extracting crate hbs-acc 0.2.0 into work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/hbs-acc/0.2.0
[INFO] extracting crate hbs-acc 0.2.0 into work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/hbs-acc/0.2.0
[INFO] validating manifest of hbs-acc-0.2.0 on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hbs-acc-0.2.0 on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hbs-acc-0.2.0
[INFO] finished frobbing hbs-acc-0.2.0
[INFO] frobbed toml for hbs-acc-0.2.0 written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/hbs-acc/0.2.0/Cargo.toml
[INFO] started frobbing hbs-acc-0.2.0
[INFO] finished frobbing hbs-acc-0.2.0
[INFO] frobbed toml for hbs-acc-0.2.0 written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/hbs-acc/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hbs-acc-sys v0.2.1
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking hbs-acc-0.2.0 against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-7/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/hbs-acc/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4a569f59c1ea0a80c2e1a985ff6506d43611b1c0002a55248e136b29812b3643
[INFO] running `"docker" "start" "-a" "4a569f59c1ea0a80c2e1a985ff6506d43611b1c0002a55248e136b29812b3643"`
[INFO] [stderr]    Compiling hbs-acc-sys v0.2.1
[INFO] [stderr]     Checking hbs-acc v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: static variable `received_cb` should have an upper case name
[INFO] [stderr]    --> lib.rs:207:20
[INFO] [stderr]     |
[INFO] [stderr] 207 |         static mut received_cb: bool = false;
[INFO] [stderr]     |                    ^^^^^^^^^^^ help: convert the identifier to upper case: `RECEIVED_CB`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.07s
[INFO] running `"docker" "inspect" "4a569f59c1ea0a80c2e1a985ff6506d43611b1c0002a55248e136b29812b3643"`
[INFO] running `"docker" "rm" "-f" "4a569f59c1ea0a80c2e1a985ff6506d43611b1c0002a55248e136b29812b3643"`
[INFO] [stdout] 4a569f59c1ea0a80c2e1a985ff6506d43611b1c0002a55248e136b29812b3643