Nov 17 17:52:52.840 INFO testing xi-rpc-0.2.0 against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 17:52:52.840 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 17:52:53.066 INFO [stdout] cc984bdc1398822108e2813fef67f243a35b44d386cd611f66c6b4e45a1264ad
Nov 17 17:52:53.068 INFO running `"docker" "start" "-a" "cc984bdc1398822108e2813fef67f243a35b44d386cd611f66c6b4e45a1264ad"`
Nov 17 17:52:53.983 INFO [stderr] usermod: no changes
Nov 17 17:52:54.089 INFO [stderr]    Compiling xi-rpc v0.2.0 (/source)
Nov 17 17:52:55.207 INFO [stderr] warning: variable does not need to be mutable
Nov 17 17:52:55.207 INFO [stderr]    --> src/lib.rs:326:13
Nov 17 17:52:55.207 INFO [stderr]     |
Nov 17 17:52:55.207 INFO [stderr] 326 |         let mut dict = response.as_object_mut().unwrap();
Nov 17 17:52:55.207 INFO [stderr]     |             ----^^^^
Nov 17 17:52:55.207 INFO [stderr]     |             |
Nov 17 17:52:55.207 INFO [stderr]     |             help: remove this `mut`
Nov 17 17:52:55.207 INFO [stderr]     |
Nov 17 17:52:55.207 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 17 17:52:55.207 INFO [stderr] 
Nov 17 17:52:55.215 INFO [stderr] warning: variable does not need to be mutable
Nov 17 17:52:55.215 INFO [stderr]    --> src/lib.rs:393:9
Nov 17 17:52:55.215 INFO [stderr]     |
Nov 17 17:52:55.215 INFO [stderr] 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Nov 17 17:52:55.215 INFO [stderr]     |         ----^^^^^^^^
Nov 17 17:52:55.215 INFO [stderr]     |         |
Nov 17 17:52:55.215 INFO [stderr]     |         help: remove this `mut`
Nov 17 17:52:55.215 INFO [stderr] 
Nov 17 17:52:55.776 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
Nov 17 17:52:55.780 INFO [stderr] su: No module specific data is present
Nov 17 17:52:56.160 INFO running `"docker" "inspect" "cc984bdc1398822108e2813fef67f243a35b44d386cd611f66c6b4e45a1264ad"`
Nov 17 17:52:56.389 INFO running `"docker" "rm" "-f" "cc984bdc1398822108e2813fef67f243a35b44d386cd611f66c6b4e45a1264ad"`
Nov 17 17:52:56.549 INFO [stdout] cc984bdc1398822108e2813fef67f243a35b44d386cd611f66c6b4e45a1264ad
Nov 17 17:52:56.553 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 17:52:56.875 INFO [stdout] 8acf8a48e3a14c514ed508a1930d1a136c41a7d777e62af1c06793d82243c60c
Nov 17 17:52:56.877 INFO running `"docker" "start" "-a" "8acf8a48e3a14c514ed508a1930d1a136c41a7d777e62af1c06793d82243c60c"`
Nov 17 17:52:57.887 INFO [stderr] usermod: no changes
Nov 17 17:52:57.968 INFO [stderr]    Compiling xi-rpc v0.2.0 (/source)
Nov 17 17:52:58.951 INFO [stderr] warning: variable does not need to be mutable
Nov 17 17:52:58.951 INFO [stderr]    --> src/lib.rs:326:13
Nov 17 17:52:58.951 INFO [stderr]     |
Nov 17 17:52:58.951 INFO [stderr] 326 |         let mut dict = response.as_object_mut().unwrap();
Nov 17 17:52:58.951 INFO [stderr]     |             ----^^^^
Nov 17 17:52:58.951 INFO [stderr]     |             |
Nov 17 17:52:58.951 INFO [stderr]     |             help: remove this `mut`
Nov 17 17:52:58.951 INFO [stderr]     |
Nov 17 17:52:58.951 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 17 17:52:58.951 INFO [stderr] 
Nov 17 17:52:58.955 INFO [stderr] warning: variable does not need to be mutable
Nov 17 17:52:58.955 INFO [stderr]    --> src/lib.rs:393:9
Nov 17 17:52:58.955 INFO [stderr]     |
Nov 17 17:52:58.955 INFO [stderr] 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Nov 17 17:52:58.955 INFO [stderr]     |         ----^^^^^^^^
Nov 17 17:52:58.955 INFO [stderr]     |         |
Nov 17 17:52:58.955 INFO [stderr]     |         help: remove this `mut`
Nov 17 17:52:58.955 INFO [stderr] 
Nov 17 17:53:00.122 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.20s
Nov 17 17:53:00.127 INFO [stderr] su: No module specific data is present
Nov 17 17:53:00.782 INFO running `"docker" "inspect" "8acf8a48e3a14c514ed508a1930d1a136c41a7d777e62af1c06793d82243c60c"`
Nov 17 17:53:01.036 INFO running `"docker" "rm" "-f" "8acf8a48e3a14c514ed508a1930d1a136c41a7d777e62af1c06793d82243c60c"`
Nov 17 17:53:01.343 INFO [stdout] 8acf8a48e3a14c514ed508a1930d1a136c41a7d777e62af1c06793d82243c60c
Nov 17 17:53:01.350 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 17:53:01.754 INFO [stdout] 193c38a432a6df8147b8188c042d12eb9be28b80226f34dc13d8d339e4859f8e
Nov 17 17:53:01.757 INFO running `"docker" "start" "-a" "193c38a432a6df8147b8188c042d12eb9be28b80226f34dc13d8d339e4859f8e"`
Nov 17 17:53:02.463 INFO [stderr] usermod: no changes
Nov 17 17:53:02.524 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Nov 17 17:53:02.537 INFO [stderr]      Running /target/debug/deps/xi_rpc-dec160c1f288ac56
Nov 17 17:53:02.539 INFO [stdout] 
Nov 17 17:53:02.539 INFO [stdout] running 1 test
Nov 17 17:53:02.539 INFO [stdout] test tests::test_dict_add_value ... ok
Nov 17 17:53:02.539 INFO [stdout] 
Nov 17 17:53:02.539 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 17:53:02.540 INFO [stdout] 
Nov 17 17:53:02.540 INFO [stderr]    Doc-tests xi-rpc
Nov 17 17:53:03.490 INFO [stdout] 
Nov 17 17:53:03.490 INFO [stdout] running 0 tests
Nov 17 17:53:03.490 INFO [stdout] 
Nov 17 17:53:03.490 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 17:53:03.490 INFO [stdout] 
Nov 17 17:53:03.495 INFO [stderr] su: No module specific data is present
Nov 17 17:53:03.975 INFO running `"docker" "inspect" "193c38a432a6df8147b8188c042d12eb9be28b80226f34dc13d8d339e4859f8e"`
Nov 17 17:53:04.237 INFO running `"docker" "rm" "-f" "193c38a432a6df8147b8188c042d12eb9be28b80226f34dc13d8d339e4859f8e"`
Nov 17 17:53:04.534 INFO [stdout] 193c38a432a6df8147b8188c042d12eb9be28b80226f34dc13d8d339e4859f8e