Dec 07 11:22:40.881 INFO testing hbs-pow-0.2.0 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 11:22:40.881 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 07 11:22:41.362 INFO [stdout] 25ef250ba4ac41e784c13008f608ea42acfe593aa4851797d4dcccc21b52a67b
Dec 07 11:22:41.364 INFO running `"docker" "start" "-a" "25ef250ba4ac41e784c13008f608ea42acfe593aa4851797d4dcccc21b52a67b"`
Dec 07 11:22:42.328 INFO [stderr] usermod: no changes
Dec 07 11:22:42.472 INFO [stderr]    Compiling hbs-builder v0.2.1
Dec 07 11:22:42.474 INFO [stderr]    Compiling hbs-common-sys v0.2.1
Dec 07 11:22:43.626 INFO [stderr]    Compiling hbs-pow-sys v0.2.1
Dec 07 11:22:49.943 INFO [stderr]    Compiling hbs-pow v0.2.0 (/source)
Dec 07 11:22:50.868 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.51s
Dec 07 11:22:50.869 INFO [stderr] su: No module specific data is present
Dec 07 11:22:51.374 INFO running `"docker" "inspect" "25ef250ba4ac41e784c13008f608ea42acfe593aa4851797d4dcccc21b52a67b"`
Dec 07 11:22:51.600 INFO running `"docker" "rm" "-f" "25ef250ba4ac41e784c13008f608ea42acfe593aa4851797d4dcccc21b52a67b"`
Dec 07 11:22:51.808 INFO [stdout] 25ef250ba4ac41e784c13008f608ea42acfe593aa4851797d4dcccc21b52a67b
Dec 07 11:22:51.814 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 07 11:22:52.242 INFO [stdout] c44ca4e589563d02ebfce284722c8dd7d13ef615f6f5876b114ccfdf42533ecf
Dec 07 11:22:52.250 INFO running `"docker" "start" "-a" "c44ca4e589563d02ebfce284722c8dd7d13ef615f6f5876b114ccfdf42533ecf"`
Dec 07 11:22:53.464 INFO [stderr] usermod: no changes
Dec 07 11:22:53.556 INFO [stderr]    Compiling hbs-pow v0.2.0 (/source)
Dec 07 11:22:54.406 INFO [stderr] warning: static variable `received_cb` should have an upper case name such as `RECEIVED_CB`
Dec 07 11:22:54.406 INFO [stderr]    --> lib.rs:212:9
Dec 07 11:22:54.406 INFO [stderr]     |
Dec 07 11:22:54.406 INFO [stderr] 212 |         static mut received_cb: bool = false;
Dec 07 11:22:54.406 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 11:22:54.406 INFO [stderr] 
Dec 07 11:22:54.952 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
Dec 07 11:22:54.956 INFO [stderr] su: No module specific data is present
Dec 07 11:22:55.600 INFO running `"docker" "inspect" "c44ca4e589563d02ebfce284722c8dd7d13ef615f6f5876b114ccfdf42533ecf"`
Dec 07 11:22:55.808 INFO running `"docker" "rm" "-f" "c44ca4e589563d02ebfce284722c8dd7d13ef615f6f5876b114ccfdf42533ecf"`
Dec 07 11:22:56.046 INFO [stdout] c44ca4e589563d02ebfce284722c8dd7d13ef615f6f5876b114ccfdf42533ecf