Dec 14 07:45:41.835 INFO testing MonadProject/ledger against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 07:45:41.835 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14 07:45:42.410 INFO [stdout] 8f9f3298e08cd6c9e809d64844adefca1de24a3df6b5ae66d239fe576f49cc79
Dec 14 07:45:42.412 INFO running `"docker" "start" "-a" "8f9f3298e08cd6c9e809d64844adefca1de24a3df6b5ae66d239fe576f49cc79"`
Dec 14 07:45:43.939 INFO [stderr] usermod: no changes
Dec 14 07:45:44.019 INFO [stderr]    Compiling monadledger v0.1.0 (/source)
Dec 14 07:45:44.471 INFO [stderr] warning: unused variable: `b`
Dec 14 07:45:44.471 INFO [stderr]  --> src/main.rs:3:9
Dec 14 07:45:44.471 INFO [stderr]   |
Dec 14 07:45:44.471 INFO [stderr] 3 |     let b = &&a[0];
Dec 14 07:45:44.471 INFO [stderr]   |         ^ help: consider using `_b` instead
Dec 14 07:45:44.471 INFO [stderr]   |
Dec 14 07:45:44.471 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 14 07:45:44.471 INFO [stderr] 
Dec 14 07:45:44.956 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
Dec 14 07:45:44.958 INFO [stderr] su: No module specific data is present
Dec 14 07:45:46.083 INFO running `"docker" "inspect" "8f9f3298e08cd6c9e809d64844adefca1de24a3df6b5ae66d239fe576f49cc79"`
Dec 14 07:45:46.425 INFO running `"docker" "rm" "-f" "8f9f3298e08cd6c9e809d64844adefca1de24a3df6b5ae66d239fe576f49cc79"`
Dec 14 07:45:46.721 INFO [stdout] 8f9f3298e08cd6c9e809d64844adefca1de24a3df6b5ae66d239fe576f49cc79
Dec 14 07:45:46.727 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14 07:45:47.327 INFO [stdout] ec4642dacc5a3a8e26a9daf8fcc8ff6ec71ce90bf9040d06b500e3267d80d3f4
Dec 14 07:45:47.329 INFO running `"docker" "start" "-a" "ec4642dacc5a3a8e26a9daf8fcc8ff6ec71ce90bf9040d06b500e3267d80d3f4"`
Dec 14 07:45:48.867 INFO [stderr] usermod: no changes
Dec 14 07:45:48.907 INFO [stderr]    Compiling monadledger v0.1.0 (/source)
Dec 14 07:45:49.399 INFO [stderr] warning: unused variable: `b`
Dec 14 07:45:49.399 INFO [stderr]  --> src/main.rs:3:9
Dec 14 07:45:49.399 INFO [stderr]   |
Dec 14 07:45:49.399 INFO [stderr] 3 |     let b = &&a[0];
Dec 14 07:45:49.399 INFO [stderr]   |         ^ help: consider using `_b` instead
Dec 14 07:45:49.399 INFO [stderr]   |
Dec 14 07:45:49.399 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 14 07:45:49.399 INFO [stderr] 
Dec 14 07:45:49.755 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
Dec 14 07:45:49.755 INFO [stderr] su: No module specific data is present
Dec 14 07:45:50.852 INFO running `"docker" "inspect" "ec4642dacc5a3a8e26a9daf8fcc8ff6ec71ce90bf9040d06b500e3267d80d3f4"`
Dec 14 07:45:51.087 INFO running `"docker" "rm" "-f" "ec4642dacc5a3a8e26a9daf8fcc8ff6ec71ce90bf9040d06b500e3267d80d3f4"`
Dec 14 07:45:51.467 INFO [stdout] ec4642dacc5a3a8e26a9daf8fcc8ff6ec71ce90bf9040d06b500e3267d80d3f4
Dec 14 07:45:51.468 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --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 14 07:45:51.972 INFO [stdout] ef3815d78ca779462ae30005acc700abe75f78febfd4786c7d3dbae5545b6b03
Dec 14 07:45:51.974 INFO running `"docker" "start" "-a" "ef3815d78ca779462ae30005acc700abe75f78febfd4786c7d3dbae5545b6b03"`
Dec 14 07:45:53.479 INFO [stderr] usermod: no changes
Dec 14 07:45:53.555 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 14 07:45:53.555 INFO [stderr]      Running /target/debug/deps/monadledger-9ce4c49cc08e9879
Dec 14 07:45:53.556 INFO [stdout] 
Dec 14 07:45:53.556 INFO [stdout] running 0 tests
Dec 14 07:45:53.556 INFO [stdout] 
Dec 14 07:45:53.556 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 07:45:53.556 INFO [stdout] 
Dec 14 07:45:53.559 INFO [stderr] su: No module specific data is present
Dec 14 07:45:54.375 INFO running `"docker" "inspect" "ef3815d78ca779462ae30005acc700abe75f78febfd4786c7d3dbae5545b6b03"`
Dec 14 07:45:54.672 INFO running `"docker" "rm" "-f" "ef3815d78ca779462ae30005acc700abe75f78febfd4786c7d3dbae5545b6b03"`
Dec 14 07:45:55.035 INFO [stdout] ef3815d78ca779462ae30005acc700abe75f78febfd4786c7d3dbae5545b6b03