Dec 14 07:45:40.163 INFO testing MonadProject/ledger against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 07:45:40.163 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 07:45:40.724 INFO [stdout] 5518d7b8031086bbf4ce7a996898c974365ac805d2086d5c429dbeca66c9a9e6
Dec 14 07:45:40.726 INFO running `"docker" "start" "-a" "5518d7b8031086bbf4ce7a996898c974365ac805d2086d5c429dbeca66c9a9e6"`
Dec 14 07:45:42.191 INFO [stderr] usermod: no changes
Dec 14 07:45:42.251 INFO [stderr]    Compiling monadledger v0.1.0 (/source)
Dec 14 07:45:42.655 INFO [stderr] warning: unused variable: `b`
Dec 14 07:45:42.671 INFO [stderr]  --> src/main.rs:3:9
Dec 14 07:45:42.671 INFO [stderr]   |
Dec 14 07:45:42.671 INFO [stderr] 3 |     let b = &&a[0];
Dec 14 07:45:42.671 INFO [stderr]   |         ^ help: consider using `_b` instead
Dec 14 07:45:42.672 INFO [stderr]   |
Dec 14 07:45:42.672 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 14 07:45:42.672 INFO [stderr] 
Dec 14 07:45:43.081 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
Dec 14 07:45:43.083 INFO [stderr] su: No module specific data is present
Dec 14 07:45:44.002 INFO running `"docker" "inspect" "5518d7b8031086bbf4ce7a996898c974365ac805d2086d5c429dbeca66c9a9e6"`
Dec 14 07:45:44.337 INFO running `"docker" "rm" "-f" "5518d7b8031086bbf4ce7a996898c974365ac805d2086d5c429dbeca66c9a9e6"`
Dec 14 07:45:44.666 INFO [stdout] 5518d7b8031086bbf4ce7a996898c974365ac805d2086d5c429dbeca66c9a9e6
Dec 14 07:45:44.669 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 07:45:45.199 INFO [stdout] 2e6b0eeea749ad40987a23516e00e387617a67d08ef2d4c2a214daccce3bce5b
Dec 14 07:45:45.207 INFO running `"docker" "start" "-a" "2e6b0eeea749ad40987a23516e00e387617a67d08ef2d4c2a214daccce3bce5b"`
Dec 14 07:45:46.515 INFO [stderr] usermod: no changes
Dec 14 07:45:46.595 INFO [stderr]    Compiling monadledger v0.1.0 (/source)
Dec 14 07:45:47.247 INFO [stderr] warning: unused variable: `b`
Dec 14 07:45:47.247 INFO [stderr]  --> src/main.rs:3:9
Dec 14 07:45:47.247 INFO [stderr]   |
Dec 14 07:45:47.247 INFO [stderr] 3 |     let b = &&a[0];
Dec 14 07:45:47.247 INFO [stderr]   |         ^ help: consider using `_b` instead
Dec 14 07:45:47.247 INFO [stderr]   |
Dec 14 07:45:47.247 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 14 07:45:47.247 INFO [stderr] 
Dec 14 07:45:47.607 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
Dec 14 07:45:47.610 INFO [stderr] su: No module specific data is present
Dec 14 07:45:48.578 INFO running `"docker" "inspect" "2e6b0eeea749ad40987a23516e00e387617a67d08ef2d4c2a214daccce3bce5b"`
Dec 14 07:45:48.999 INFO running `"docker" "rm" "-f" "2e6b0eeea749ad40987a23516e00e387617a67d08ef2d4c2a214daccce3bce5b"`
Dec 14 07:45:49.423 INFO [stdout] 2e6b0eeea749ad40987a23516e00e387617a67d08ef2d4c2a214daccce3bce5b
Dec 14 07:45:49.431 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 07:45:50.024 INFO [stdout] 9dfbbc18e49e4228e933c47147b8754c7f73bf68cbfd33ae98f2cc1be5a735b9
Dec 14 07:45:50.026 INFO running `"docker" "start" "-a" "9dfbbc18e49e4228e933c47147b8754c7f73bf68cbfd33ae98f2cc1be5a735b9"`
Dec 14 07:45:51.519 INFO [stderr] usermod: no changes
Dec 14 07:45:51.587 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 14 07:45:51.595 INFO [stderr]      Running /target/debug/deps/monadledger-8535d9082ddabbfa
Dec 14 07:45:51.601 INFO [stdout] 
Dec 14 07:45:51.601 INFO [stdout] running 0 tests
Dec 14 07:45:51.601 INFO [stdout] 
Dec 14 07:45:51.601 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 07:45:51.601 INFO [stdout] 
Dec 14 07:45:51.619 INFO [stderr] su: No module specific data is present
Dec 14 07:45:52.763 INFO running `"docker" "inspect" "9dfbbc18e49e4228e933c47147b8754c7f73bf68cbfd33ae98f2cc1be5a735b9"`
Dec 14 07:45:53.083 INFO running `"docker" "rm" "-f" "9dfbbc18e49e4228e933c47147b8754c7f73bf68cbfd33ae98f2cc1be5a735b9"`
Dec 14 07:45:53.495 INFO [stdout] 9dfbbc18e49e4228e933c47147b8754c7f73bf68cbfd33ae98f2cc1be5a735b9