Nov 17 17:52:51.501 INFO testing xi-rpc-0.2.0 against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 17:52:51.501 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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 17:52:51.751 INFO [stdout] 97da5b93a261fb9de228b0de6393d6aad445cf3453016bfdb012612b5bfa247c
Nov 17 17:52:51.753 INFO running `"docker" "start" "-a" "97da5b93a261fb9de228b0de6393d6aad445cf3453016bfdb012612b5bfa247c"`
Nov 17 17:52:52.186 INFO [stderr] usermod: no changes
Nov 17 17:52:52.243 INFO [stderr]    Compiling serde_json v0.9.10
Nov 17 17:52:55.859 INFO [stderr]    Compiling xi-rpc v0.2.0 (/source)
Nov 17 17:52:56.577 INFO [stderr] warning: variable does not need to be mutable
Nov 17 17:52:56.577 INFO [stderr]    --> src/lib.rs:326:13
Nov 17 17:52:56.577 INFO [stderr]     |
Nov 17 17:52:56.577 INFO [stderr] 326 |         let mut dict = response.as_object_mut().unwrap();
Nov 17 17:52:56.577 INFO [stderr]     |             ----^^^^
Nov 17 17:52:56.577 INFO [stderr]     |             |
Nov 17 17:52:56.577 INFO [stderr]     |             help: remove this `mut`
Nov 17 17:52:56.577 INFO [stderr]     |
Nov 17 17:52:56.577 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 17 17:52:56.577 INFO [stderr] 
Nov 17 17:52:56.577 INFO [stderr] warning: variable does not need to be mutable
Nov 17 17:52:56.577 INFO [stderr]    --> src/lib.rs:393:9
Nov 17 17:52:56.577 INFO [stderr]     |
Nov 17 17:52:56.577 INFO [stderr] 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Nov 17 17:52:56.577 INFO [stderr]     |         ----^^^^^^^^
Nov 17 17:52:56.577 INFO [stderr]     |         |
Nov 17 17:52:56.577 INFO [stderr]     |         help: remove this `mut`
Nov 17 17:52:56.577 INFO [stderr] 
Nov 17 17:52:56.978 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.77s
Nov 17 17:52:56.986 INFO [stderr] su: No module specific data is present
Nov 17 17:52:57.403 INFO running `"docker" "inspect" "97da5b93a261fb9de228b0de6393d6aad445cf3453016bfdb012612b5bfa247c"`
Nov 17 17:52:57.590 INFO running `"docker" "rm" "-f" "97da5b93a261fb9de228b0de6393d6aad445cf3453016bfdb012612b5bfa247c"`
Nov 17 17:52:57.827 INFO [stdout] 97da5b93a261fb9de228b0de6393d6aad445cf3453016bfdb012612b5bfa247c
Nov 17 17:52:57.829 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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 17:52:58.239 INFO [stdout] 4bd5eaa9ca8f6c61e9267e5fa429d2b3ac4247a4d7aee1a261a5b8d6ac5f4955
Nov 17 17:52:58.239 INFO running `"docker" "start" "-a" "4bd5eaa9ca8f6c61e9267e5fa429d2b3ac4247a4d7aee1a261a5b8d6ac5f4955"`
Nov 17 17:52:59.218 INFO [stderr] usermod: no changes
Nov 17 17:52:59.311 INFO [stderr]    Compiling xi-rpc v0.2.0 (/source)
Nov 17 17:53:00.227 INFO [stderr] warning: variable does not need to be mutable
Nov 17 17:53:00.227 INFO [stderr]    --> src/lib.rs:326:13
Nov 17 17:53:00.227 INFO [stderr]     |
Nov 17 17:53:00.227 INFO [stderr] 326 |         let mut dict = response.as_object_mut().unwrap();
Nov 17 17:53:00.227 INFO [stderr]     |             ----^^^^
Nov 17 17:53:00.227 INFO [stderr]     |             |
Nov 17 17:53:00.227 INFO [stderr]     |             help: remove this `mut`
Nov 17 17:53:00.227 INFO [stderr]     |
Nov 17 17:53:00.227 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 17 17:53:00.228 INFO [stderr] 
Nov 17 17:53:00.243 INFO [stderr] warning: variable does not need to be mutable
Nov 17 17:53:00.243 INFO [stderr]    --> src/lib.rs:393:9
Nov 17 17:53:00.243 INFO [stderr]     |
Nov 17 17:53:00.243 INFO [stderr] 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Nov 17 17:53:00.243 INFO [stderr]     |         ----^^^^^^^^
Nov 17 17:53:00.243 INFO [stderr]     |         |
Nov 17 17:53:00.243 INFO [stderr]     |         help: remove this `mut`
Nov 17 17:53:00.243 INFO [stderr] 
Nov 17 17:53:01.449 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.20s
Nov 17 17:53:01.452 INFO [stderr] su: No module specific data is present
Nov 17 17:53:01.839 INFO running `"docker" "inspect" "4bd5eaa9ca8f6c61e9267e5fa429d2b3ac4247a4d7aee1a261a5b8d6ac5f4955"`
Nov 17 17:53:02.091 INFO running `"docker" "rm" "-f" "4bd5eaa9ca8f6c61e9267e5fa429d2b3ac4247a4d7aee1a261a5b8d6ac5f4955"`
Nov 17 17:53:02.368 INFO [stdout] 4bd5eaa9ca8f6c61e9267e5fa429d2b3ac4247a4d7aee1a261a5b8d6ac5f4955
Nov 17 17:53:02.373 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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 17:53:02.819 INFO [stdout] c80e4567c520bd387ea6d495a565b6ff510bc0c92d872f29df49bcc443684444
Nov 17 17:53:02.827 INFO running `"docker" "start" "-a" "c80e4567c520bd387ea6d495a565b6ff510bc0c92d872f29df49bcc443684444"`
Nov 17 17:53:03.454 INFO [stderr] usermod: no changes
Nov 17 17:53:03.501 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Nov 17 17:53:03.512 INFO [stderr]      Running /target/debug/deps/xi_rpc-56a698828b11c283
Nov 17 17:53:03.520 INFO [stderr]    Doc-tests xi-rpc
Nov 17 17:53:03.520 INFO [stdout] 
Nov 17 17:53:03.520 INFO [stdout] running 1 test
Nov 17 17:53:03.520 INFO [stdout] test tests::test_dict_add_value ... ok
Nov 17 17:53:03.520 INFO [stdout] 
Nov 17 17:53:03.520 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 17:53:03.520 INFO [stdout] 
Nov 17 17:53:04.538 INFO [stdout] 
Nov 17 17:53:04.538 INFO [stdout] running 0 tests
Nov 17 17:53:04.538 INFO [stdout] 
Nov 17 17:53:04.538 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 17:53:04.538 INFO [stdout] 
Nov 17 17:53:04.543 INFO [stderr] su: No module specific data is present
Nov 17 17:53:05.156 INFO running `"docker" "inspect" "c80e4567c520bd387ea6d495a565b6ff510bc0c92d872f29df49bcc443684444"`
Nov 17 17:53:05.405 INFO running `"docker" "rm" "-f" "c80e4567c520bd387ea6d495a565b6ff510bc0c92d872f29df49bcc443684444"`
Nov 17 17:53:05.555 INFO [stdout] c80e4567c520bd387ea6d495a565b6ff510bc0c92d872f29df49bcc443684444