Dec 07 05:24:36.152 INFO testing orset-0.2.0 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 05:24:36.152 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 07 05:24:36.338 INFO [stdout] 4f656a732daeb1f161718aeae0889892536f8c06b951d15d20b3e77f4f6fefe9
Dec 07 05:24:36.341 INFO running `"docker" "start" "-a" "4f656a732daeb1f161718aeae0889892536f8c06b951d15d20b3e77f4f6fefe9"`
Dec 07 05:24:36.807 INFO [stderr] usermod: no changes
Dec 07 05:24:36.890 INFO [stderr]    Compiling orset v0.2.0 (/source)
Dec 07 05:24:37.760 INFO [stderr] warning: variable does not need to be mutable
Dec 07 05:24:37.760 INFO [stderr]   --> src/lib.rs:77:13
Dec 07 05:24:37.760 INFO [stderr]    |
Dec 07 05:24:37.760 INFO [stderr] 77 |         let mut adds = self.adds.entry(element).or_insert(Vec::new());
Dec 07 05:24:37.760 INFO [stderr]    |             ----^^^^
Dec 07 05:24:37.760 INFO [stderr]    |             |
Dec 07 05:24:37.760 INFO [stderr]    |             help: remove this `mut`
Dec 07 05:24:37.760 INFO [stderr]    |
Dec 07 05:24:37.760 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 07 05:24:37.760 INFO [stderr] 
Dec 07 05:24:37.765 INFO [stderr] warning: variable does not need to be mutable
Dec 07 05:24:37.765 INFO [stderr]   --> src/lib.rs:89:13
Dec 07 05:24:37.765 INFO [stderr]    |
Dec 07 05:24:37.765 INFO [stderr] 89 |         let mut removes = self.removes.entry(element.clone()).or_insert(Vec::new());
Dec 07 05:24:37.765 INFO [stderr]    |             ----^^^^^^^
Dec 07 05:24:37.765 INFO [stderr]    |             |
Dec 07 05:24:37.765 INFO [stderr]    |             help: remove this `mut`
Dec 07 05:24:37.765 INFO [stderr] 
Dec 07 05:24:37.765 INFO [stderr] warning: variable does not need to be mutable
Dec 07 05:24:37.765 INFO [stderr]   --> src/lib.rs:90:13
Dec 07 05:24:37.765 INFO [stderr]    |
Dec 07 05:24:37.765 INFO [stderr] 90 |         let mut adds = self.adds.get_mut(&element).unwrap();
Dec 07 05:24:37.765 INFO [stderr]    |             ----^^^^
Dec 07 05:24:37.765 INFO [stderr]    |             |
Dec 07 05:24:37.765 INFO [stderr]    |             help: remove this `mut`
Dec 07 05:24:37.765 INFO [stderr] 
Dec 07 05:24:37.829 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
Dec 07 05:24:37.834 INFO [stderr] su: No module specific data is present
Dec 07 05:24:38.090 INFO running `"docker" "inspect" "4f656a732daeb1f161718aeae0889892536f8c06b951d15d20b3e77f4f6fefe9"`
Dec 07 05:24:38.185 INFO running `"docker" "rm" "-f" "4f656a732daeb1f161718aeae0889892536f8c06b951d15d20b3e77f4f6fefe9"`
Dec 07 05:24:38.246 INFO [stdout] 4f656a732daeb1f161718aeae0889892536f8c06b951d15d20b3e77f4f6fefe9
Dec 07 05:24:38.247 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 07 05:24:38.419 INFO [stdout] 296bf6db913e872032389ff9e4b0f55905a584842ac22ab9241ea4fddf596158
Dec 07 05:24:38.422 INFO running `"docker" "start" "-a" "296bf6db913e872032389ff9e4b0f55905a584842ac22ab9241ea4fddf596158"`
Dec 07 05:24:39.116 INFO [stderr] usermod: no changes
Dec 07 05:24:39.194 INFO [stderr]    Compiling quickcheck v0.2.27
Dec 07 05:24:42.926 INFO [stderr]    Compiling orset v0.2.0 (/source)
Dec 07 05:24:45.095 INFO [stderr] warning: variable does not need to be mutable
Dec 07 05:24:45.095 INFO [stderr]   --> src/lib.rs:77:13
Dec 07 05:24:45.095 INFO [stderr]    |
Dec 07 05:24:45.095 INFO [stderr] 77 |         let mut adds = self.adds.entry(element).or_insert(Vec::new());
Dec 07 05:24:45.095 INFO [stderr]    |             ----^^^^
Dec 07 05:24:45.095 INFO [stderr]    |             |
Dec 07 05:24:45.095 INFO [stderr]    |             help: remove this `mut`
Dec 07 05:24:45.095 INFO [stderr]    |
Dec 07 05:24:45.095 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 07 05:24:45.095 INFO [stderr] 
Dec 07 05:24:45.096 INFO [stderr] warning: variable does not need to be mutable
Dec 07 05:24:45.096 INFO [stderr]   --> src/lib.rs:89:13
Dec 07 05:24:45.096 INFO [stderr]    |
Dec 07 05:24:45.096 INFO [stderr] 89 |         let mut removes = self.removes.entry(element.clone()).or_insert(Vec::new());
Dec 07 05:24:45.096 INFO [stderr]    |             ----^^^^^^^
Dec 07 05:24:45.096 INFO [stderr]    |             |
Dec 07 05:24:45.096 INFO [stderr]    |             help: remove this `mut`
Dec 07 05:24:45.096 INFO [stderr] 
Dec 07 05:24:45.096 INFO [stderr] warning: variable does not need to be mutable
Dec 07 05:24:45.096 INFO [stderr]   --> src/lib.rs:90:13
Dec 07 05:24:45.096 INFO [stderr]    |
Dec 07 05:24:45.096 INFO [stderr] 90 |         let mut adds = self.adds.get_mut(&element).unwrap();
Dec 07 05:24:45.096 INFO [stderr]    |             ----^^^^
Dec 07 05:24:45.096 INFO [stderr]    |             |
Dec 07 05:24:45.096 INFO [stderr]    |             help: remove this `mut`
Dec 07 05:24:45.096 INFO [stderr] 
Dec 07 05:24:45.152 INFO [stderr] warning: variable does not need to be mutable
Dec 07 05:24:45.152 INFO [stderr]    --> src/lib.rs:517:13
Dec 07 05:24:45.152 INFO [stderr]     |
Dec 07 05:24:45.152 INFO [stderr] 517 |         let mut orset =
Dec 07 05:24:45.152 INFO [stderr]     |             ----^^^^^
Dec 07 05:24:45.152 INFO [stderr]     |             |
Dec 07 05:24:45.152 INFO [stderr]     |             help: remove this `mut`
Dec 07 05:24:45.152 INFO [stderr] 
Dec 07 05:24:45.152 INFO [stderr] warning: variable does not need to be mutable
Dec 07 05:24:45.152 INFO [stderr]    --> src/lib.rs:520:13
Dec 07 05:24:45.152 INFO [stderr]     |
Dec 07 05:24:45.152 INFO [stderr] 520 |         let mut mutator = mutators.entry(node).or_insert(Vec::new());
Dec 07 05:24:45.152 INFO [stderr]     |             ----^^^^^^^
Dec 07 05:24:45.152 INFO [stderr]     |             |
Dec 07 05:24:45.152 INFO [stderr]     |             help: remove this `mut`
Dec 07 05:24:45.152 INFO [stderr] 
Dec 07 05:24:47.887 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.75s
Dec 07 05:24:47.895 INFO [stderr] su: No module specific data is present
Dec 07 05:24:48.438 INFO running `"docker" "inspect" "296bf6db913e872032389ff9e4b0f55905a584842ac22ab9241ea4fddf596158"`
Dec 07 05:24:48.758 INFO running `"docker" "rm" "-f" "296bf6db913e872032389ff9e4b0f55905a584842ac22ab9241ea4fddf596158"`
Dec 07 05:24:49.134 INFO [stdout] 296bf6db913e872032389ff9e4b0f55905a584842ac22ab9241ea4fddf596158
Dec 07 05:24:49.140 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 07 05:24:49.584 INFO [stdout] c34e2c931ce930e45428d685b0349766dfd616d6f0baf28e236de237a642d8b2
Dec 07 05:24:49.588 INFO running `"docker" "start" "-a" "c34e2c931ce930e45428d685b0349766dfd616d6f0baf28e236de237a642d8b2"`
Dec 07 05:24:50.720 INFO [stderr] usermod: no changes
Dec 07 05:24:50.832 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
Dec 07 05:24:50.832 INFO [stderr]      Running /target/debug/deps/orset-83b75547d169eeee
Dec 07 05:24:50.846 INFO [stdout] 
Dec 07 05:24:50.846 INFO [stdout] running 4 tests
Dec 07 05:24:50.846 INFO [stdout] test tests::concurrent_add_wins ... ok
Dec 07 05:24:50.846 INFO [stdout] test tests::basic ... ok
Dec 07 05:24:51.936 INFO [stdout] test tests::prop_joins_equivalent ... ok
Dec 07 05:24:54.064 INFO [stderr]    Doc-tests orset
Dec 07 05:24:54.064 INFO [stdout] test tests::prop_concurrent ... ok
Dec 07 05:24:54.064 INFO [stdout] 
Dec 07 05:24:54.064 INFO [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 05:24:54.064 INFO [stdout] 
Dec 07 05:24:55.020 INFO [stdout] 
Dec 07 05:24:55.020 INFO [stdout] running 0 tests
Dec 07 05:24:55.020 INFO [stdout] 
Dec 07 05:24:55.020 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 05:24:55.020 INFO [stdout] 
Dec 07 05:24:55.024 INFO [stderr] su: No module specific data is present
Dec 07 05:24:55.492 INFO running `"docker" "inspect" "c34e2c931ce930e45428d685b0349766dfd616d6f0baf28e236de237a642d8b2"`
Dec 07 05:24:55.694 INFO running `"docker" "rm" "-f" "c34e2c931ce930e45428d685b0349766dfd616d6f0baf28e236de237a642d8b2"`
Dec 07 05:24:55.916 INFO [stdout] c34e2c931ce930e45428d685b0349766dfd616d6f0baf28e236de237a642d8b2