Dec 06 16:55:47.783 INFO testing xi-rpc-0.2.0 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 16:55:47.783 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 16:55:47.992 INFO [stdout] 8428eb851d0c6bdfd21b51e0cb909322636f4f497086dc757f92318935ef9a45
Dec 06 16:55:47.994 INFO running `"docker" "start" "-a" "8428eb851d0c6bdfd21b51e0cb909322636f4f497086dc757f92318935ef9a45"`
Dec 06 16:55:48.461 INFO [stderr] usermod: no changes
Dec 06 16:55:48.515 INFO [stderr]    Compiling xi-rpc v0.2.0 (/source)
Dec 06 16:55:49.046 INFO [stderr] warning: variable does not need to be mutable
Dec 06 16:55:49.046 INFO [stderr]    --> src/lib.rs:326:13
Dec 06 16:55:49.046 INFO [stderr]     |
Dec 06 16:55:49.046 INFO [stderr] 326 |         let mut dict = response.as_object_mut().unwrap();
Dec 06 16:55:49.046 INFO [stderr]     |             ----^^^^
Dec 06 16:55:49.046 INFO [stderr]     |             |
Dec 06 16:55:49.046 INFO [stderr]     |             help: remove this `mut`
Dec 06 16:55:49.046 INFO [stderr]     |
Dec 06 16:55:49.046 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 06 16:55:49.046 INFO [stderr] 
Dec 06 16:55:49.051 INFO [stderr] warning: variable does not need to be mutable
Dec 06 16:55:49.051 INFO [stderr]    --> src/lib.rs:393:9
Dec 06 16:55:49.051 INFO [stderr]     |
Dec 06 16:55:49.051 INFO [stderr] 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Dec 06 16:55:49.051 INFO [stderr]     |         ----^^^^^^^^
Dec 06 16:55:49.051 INFO [stderr]     |         |
Dec 06 16:55:49.051 INFO [stderr]     |         help: remove this `mut`
Dec 06 16:55:49.051 INFO [stderr] 
Dec 06 16:55:49.300 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
Dec 06 16:55:49.303 INFO [stderr] su: No module specific data is present
Dec 06 16:55:49.648 INFO running `"docker" "inspect" "8428eb851d0c6bdfd21b51e0cb909322636f4f497086dc757f92318935ef9a45"`
Dec 06 16:55:49.752 INFO running `"docker" "rm" "-f" "8428eb851d0c6bdfd21b51e0cb909322636f4f497086dc757f92318935ef9a45"`
Dec 06 16:55:49.926 INFO [stdout] 8428eb851d0c6bdfd21b51e0cb909322636f4f497086dc757f92318935ef9a45
Dec 06 16:55:49.928 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 16:55:50.156 INFO [stdout] d73e57fe85506837134f11e410438f68ba208477c2fac104f36e0f1dc025db3c
Dec 06 16:55:50.162 INFO running `"docker" "start" "-a" "d73e57fe85506837134f11e410438f68ba208477c2fac104f36e0f1dc025db3c"`
Dec 06 16:55:50.598 INFO [stderr] usermod: no changes
Dec 06 16:55:50.645 INFO [stderr]    Compiling xi-rpc v0.2.0 (/source)
Dec 06 16:55:51.336 INFO [stderr] warning: variable does not need to be mutable
Dec 06 16:55:51.336 INFO [stderr]    --> src/lib.rs:326:13
Dec 06 16:55:51.336 INFO [stderr]     |
Dec 06 16:55:51.336 INFO [stderr] 326 |         let mut dict = response.as_object_mut().unwrap();
Dec 06 16:55:51.336 INFO [stderr]     |             ----^^^^
Dec 06 16:55:51.336 INFO [stderr]     |             |
Dec 06 16:55:51.336 INFO [stderr]     |             help: remove this `mut`
Dec 06 16:55:51.336 INFO [stderr]     |
Dec 06 16:55:51.336 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 06 16:55:51.336 INFO [stderr] 
Dec 06 16:55:51.336 INFO [stderr] warning: variable does not need to be mutable
Dec 06 16:55:51.336 INFO [stderr]    --> src/lib.rs:393:9
Dec 06 16:55:51.336 INFO [stderr]     |
Dec 06 16:55:51.336 INFO [stderr] 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Dec 06 16:55:51.336 INFO [stderr]     |         ----^^^^^^^^
Dec 06 16:55:51.336 INFO [stderr]     |         |
Dec 06 16:55:51.336 INFO [stderr]     |         help: remove this `mut`
Dec 06 16:55:51.344 INFO [stderr] 
Dec 06 16:55:52.436 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
Dec 06 16:55:52.438 INFO [stderr] su: No module specific data is present
Dec 06 16:55:52.832 INFO running `"docker" "inspect" "d73e57fe85506837134f11e410438f68ba208477c2fac104f36e0f1dc025db3c"`
Dec 06 16:55:52.960 INFO running `"docker" "rm" "-f" "d73e57fe85506837134f11e410438f68ba208477c2fac104f36e0f1dc025db3c"`
Dec 06 16:55:53.074 INFO [stdout] d73e57fe85506837134f11e410438f68ba208477c2fac104f36e0f1dc025db3c
Dec 06 16:55:53.075 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 16:55:53.198 INFO [stdout] 0f32191cf861e65ab05189116698f7a9e85255c474f7a3120335d575d9dd15e6
Dec 06 16:55:53.200 INFO running `"docker" "start" "-a" "0f32191cf861e65ab05189116698f7a9e85255c474f7a3120335d575d9dd15e6"`
Dec 06 16:55:53.740 INFO [stderr] usermod: no changes
Dec 06 16:55:53.796 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 06 16:55:53.804 INFO [stderr]      Running /target/debug/deps/xi_rpc-6c4d8e7be0ba063a
Dec 06 16:55:53.809 INFO [stdout] 
Dec 06 16:55:53.810 INFO [stdout] running 1 test
Dec 06 16:55:53.816 INFO [stdout] test tests::test_dict_add_value ... ok
Dec 06 16:55:53.816 INFO [stdout] 
Dec 06 16:55:53.816 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 16:55:53.816 INFO [stdout] 
Dec 06 16:55:53.817 INFO [stderr]    Doc-tests xi-rpc
Dec 06 16:55:54.512 INFO [stdout] 
Dec 06 16:55:54.512 INFO [stdout] running 0 tests
Dec 06 16:55:54.512 INFO [stdout] 
Dec 06 16:55:54.512 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 16:55:54.512 INFO [stdout] 
Dec 06 16:55:54.520 INFO [stderr] su: No module specific data is present
Dec 06 16:55:55.053 INFO running `"docker" "inspect" "0f32191cf861e65ab05189116698f7a9e85255c474f7a3120335d575d9dd15e6"`
Dec 06 16:55:55.133 INFO running `"docker" "rm" "-f" "0f32191cf861e65ab05189116698f7a9e85255c474f7a3120335d575d9dd15e6"`
Dec 06 16:55:55.232 INFO [stdout] 0f32191cf861e65ab05189116698f7a9e85255c474f7a3120335d575d9dd15e6