Dec 14 13:27:15.564 INFO testing xi-rpc-0.2.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 13:27:15.564 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 13:27:15.847 INFO [stdout] 4039d843c05f003295e956b92c6174d6d2ce879574f8c66bfbfbd869570f5c0e
Dec 14 13:27:15.852 INFO running `"docker" "start" "-a" "4039d843c05f003295e956b92c6174d6d2ce879574f8c66bfbfbd869570f5c0e"`
Dec 14 13:27:16.948 INFO [stderr] usermod: no changes
Dec 14 13:27:17.058 INFO [stderr]    Compiling xi-rpc v0.2.0 (/source)
Dec 14 13:27:17.882 INFO [stderr] warning: variable does not need to be mutable
Dec 14 13:27:17.882 INFO [stderr]    --> src/lib.rs:326:13
Dec 14 13:27:17.882 INFO [stderr]     |
Dec 14 13:27:17.882 INFO [stderr] 326 |         let mut dict = response.as_object_mut().unwrap();
Dec 14 13:27:17.882 INFO [stderr]     |             ----^^^^
Dec 14 13:27:17.882 INFO [stderr]     |             |
Dec 14 13:27:17.882 INFO [stderr]     |             help: remove this `mut`
Dec 14 13:27:17.882 INFO [stderr]     |
Dec 14 13:27:17.882 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 14 13:27:17.882 INFO [stderr] 
Dec 14 13:27:17.887 INFO [stderr] warning: variable does not need to be mutable
Dec 14 13:27:17.887 INFO [stderr]    --> src/lib.rs:393:9
Dec 14 13:27:17.887 INFO [stderr]     |
Dec 14 13:27:17.887 INFO [stderr] 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Dec 14 13:27:17.887 INFO [stderr]     |         ----^^^^^^^^
Dec 14 13:27:17.887 INFO [stderr]     |         |
Dec 14 13:27:17.887 INFO [stderr]     |         help: remove this `mut`
Dec 14 13:27:17.887 INFO [stderr] 
Dec 14 13:27:18.190 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
Dec 14 13:27:18.193 INFO [stderr] su: No module specific data is present
Dec 14 13:27:18.455 INFO running `"docker" "inspect" "4039d843c05f003295e956b92c6174d6d2ce879574f8c66bfbfbd869570f5c0e"`
Dec 14 13:27:18.608 INFO running `"docker" "rm" "-f" "4039d843c05f003295e956b92c6174d6d2ce879574f8c66bfbfbd869570f5c0e"`
Dec 14 13:27:18.759 INFO [stdout] 4039d843c05f003295e956b92c6174d6d2ce879574f8c66bfbfbd869570f5c0e
Dec 14 13:27:18.763 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 13:27:18.978 INFO [stdout] 18462722b46478de611244d6c9098589b34c9eccfe4622299c1643571fa1bbc0
Dec 14 13:27:18.984 INFO running `"docker" "start" "-a" "18462722b46478de611244d6c9098589b34c9eccfe4622299c1643571fa1bbc0"`
Dec 14 13:27:19.779 INFO [stderr] usermod: no changes
Dec 14 13:27:19.829 INFO [stderr]    Compiling xi-rpc v0.2.0 (/source)
Dec 14 13:27:20.967 INFO [stderr] warning: variable does not need to be mutable
Dec 14 13:27:20.967 INFO [stderr]    --> src/lib.rs:326:13
Dec 14 13:27:20.967 INFO [stderr]     |
Dec 14 13:27:20.967 INFO [stderr] 326 |         let mut dict = response.as_object_mut().unwrap();
Dec 14 13:27:20.967 INFO [stderr]     |             ----^^^^
Dec 14 13:27:20.967 INFO [stderr]     |             |
Dec 14 13:27:20.967 INFO [stderr]     |             help: remove this `mut`
Dec 14 13:27:20.967 INFO [stderr]     |
Dec 14 13:27:20.967 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 14 13:27:20.967 INFO [stderr] 
Dec 14 13:27:20.975 INFO [stderr] warning: variable does not need to be mutable
Dec 14 13:27:20.975 INFO [stderr]    --> src/lib.rs:393:9
Dec 14 13:27:20.975 INFO [stderr]     |
Dec 14 13:27:20.975 INFO [stderr] 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Dec 14 13:27:20.975 INFO [stderr]     |         ----^^^^^^^^
Dec 14 13:27:20.975 INFO [stderr]     |         |
Dec 14 13:27:20.975 INFO [stderr]     |         help: remove this `mut`
Dec 14 13:27:20.975 INFO [stderr] 
Dec 14 13:27:22.356 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
Dec 14 13:27:22.360 INFO [stderr] su: No module specific data is present
Dec 14 13:27:22.670 INFO running `"docker" "inspect" "18462722b46478de611244d6c9098589b34c9eccfe4622299c1643571fa1bbc0"`
Dec 14 13:27:22.737 INFO running `"docker" "rm" "-f" "18462722b46478de611244d6c9098589b34c9eccfe4622299c1643571fa1bbc0"`
Dec 14 13:27:22.809 INFO [stdout] 18462722b46478de611244d6c9098589b34c9eccfe4622299c1643571fa1bbc0
Dec 14 13:27:22.812 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 13:27:23.051 INFO [stdout] e8e31d6c92edebebef8b1da97f5a42556258bb891efbeff0f3b69a973ca0d130
Dec 14 13:27:23.053 INFO running `"docker" "start" "-a" "e8e31d6c92edebebef8b1da97f5a42556258bb891efbeff0f3b69a973ca0d130"`
Dec 14 13:27:23.430 INFO [stderr] usermod: no changes
Dec 14 13:27:23.472 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 14 13:27:23.473 INFO [stderr]      Running /target/debug/deps/xi_rpc-627f409e28cbd375
Dec 14 13:27:23.477 INFO [stderr]    Doc-tests xi-rpc
Dec 14 13:27:23.477 INFO [stdout] 
Dec 14 13:27:23.477 INFO [stdout] running 1 test
Dec 14 13:27:23.477 INFO [stdout] test tests::test_dict_add_value ... ok
Dec 14 13:27:23.477 INFO [stdout] 
Dec 14 13:27:23.477 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 13:27:23.477 INFO [stdout] 
Dec 14 13:27:24.595 INFO [stdout] 
Dec 14 13:27:24.595 INFO [stdout] running 0 tests
Dec 14 13:27:24.595 INFO [stdout] 
Dec 14 13:27:24.595 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 13:27:24.595 INFO [stdout] 
Dec 14 13:27:24.603 INFO [stderr] su: No module specific data is present
Dec 14 13:27:24.919 INFO running `"docker" "inspect" "e8e31d6c92edebebef8b1da97f5a42556258bb891efbeff0f3b69a973ca0d130"`
Dec 14 13:27:25.028 INFO running `"docker" "rm" "-f" "e8e31d6c92edebebef8b1da97f5a42556258bb891efbeff0f3b69a973ca0d130"`
Dec 14 13:27:25.156 INFO [stdout] e8e31d6c92edebebef8b1da97f5a42556258bb891efbeff0f3b69a973ca0d130