Dec 15 09:13:06.148 INFO testing handoff_counter-0.8.5 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 09:13:06.148 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 15 09:13:06.609 INFO [stdout] 7aa5ca5139f4426e5c884a7a76275f18aa878872fb57a083ec71877e524b4753
Dec 15 09:13:06.615 INFO running `"docker" "start" "-a" "7aa5ca5139f4426e5c884a7a76275f18aa878872fb57a083ec71877e524b4753"`
Dec 15 09:13:07.927 INFO [stderr] usermod: no changes
Dec 15 09:13:08.003 INFO [stderr]    Compiling handoff_counter v0.8.5 (/source)
Dec 15 09:13:08.727 INFO [stderr] warning: variable does not need to be mutable
Dec 15 09:13:08.727 INFO [stderr]   --> src/handoff_counter.rs:55:13
Dec 15 09:13:08.727 INFO [stderr]    |
Dec 15 09:13:08.727 INFO [stderr] 55 |         let mut v = self.vals.get_mut(&self.id).unwrap();
Dec 15 09:13:08.727 INFO [stderr]    |             ----^
Dec 15 09:13:08.727 INFO [stderr]    |             |
Dec 15 09:13:08.727 INFO [stderr]    |             help: remove this `mut`
Dec 15 09:13:08.727 INFO [stderr]    |
Dec 15 09:13:08.727 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 15 09:13:08.727 INFO [stderr] 
Dec 15 09:13:09.571 INFO [stderr] warning: type alias is never used: `Env`
Dec 15 09:13:09.571 INFO [stderr]   --> src/bin/simulate.rs:14:1
Dec 15 09:13:09.571 INFO [stderr]    |
Dec 15 09:13:09.571 INFO [stderr] 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>;
Dec 15 09:13:09.571 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 09:13:09.579 INFO [stderr]    |
Dec 15 09:13:09.579 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 15 09:13:09.579 INFO [stderr] 
Dec 15 09:13:11.327 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.38s
Dec 15 09:13:11.330 INFO [stderr] su: No module specific data is present
Dec 15 09:13:12.639 INFO running `"docker" "inspect" "7aa5ca5139f4426e5c884a7a76275f18aa878872fb57a083ec71877e524b4753"`
Dec 15 09:13:12.989 INFO running `"docker" "rm" "-f" "7aa5ca5139f4426e5c884a7a76275f18aa878872fb57a083ec71877e524b4753"`
Dec 15 09:13:13.408 INFO [stdout] 7aa5ca5139f4426e5c884a7a76275f18aa878872fb57a083ec71877e524b4753
Dec 15 09:13:13.413 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 15 09:13:13.800 INFO [stdout] 37404c2e315c5da9102534e44c5ea7d496fa94a108c44166ed79bd19777f7443
Dec 15 09:13:13.805 INFO running `"docker" "start" "-a" "37404c2e315c5da9102534e44c5ea7d496fa94a108c44166ed79bd19777f7443"`
Dec 15 09:13:14.988 INFO [stderr] usermod: no changes
Dec 15 09:13:15.067 INFO [stderr]    Compiling handoff_counter v0.8.5 (/source)
Dec 15 09:13:15.943 INFO [stderr] warning: variable does not need to be mutable
Dec 15 09:13:15.943 INFO [stderr]   --> src/handoff_counter.rs:55:13
Dec 15 09:13:15.943 INFO [stderr]    |
Dec 15 09:13:15.943 INFO [stderr] 55 |         let mut v = self.vals.get_mut(&self.id).unwrap();
Dec 15 09:13:15.943 INFO [stderr]    |             ----^
Dec 15 09:13:15.943 INFO [stderr]    |             |
Dec 15 09:13:15.943 INFO [stderr]    |             help: remove this `mut`
Dec 15 09:13:15.943 INFO [stderr]    |
Dec 15 09:13:15.943 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 15 09:13:15.943 INFO [stderr] 
Dec 15 09:13:16.579 INFO [stderr] warning: type alias is never used: `Env`
Dec 15 09:13:16.579 INFO [stderr]   --> src/bin/simulate.rs:14:1
Dec 15 09:13:16.579 INFO [stderr]    |
Dec 15 09:13:16.579 INFO [stderr] 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>;
Dec 15 09:13:16.579 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 09:13:16.579 INFO [stderr]    |
Dec 15 09:13:16.579 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 15 09:13:16.579 INFO [stderr] 
Dec 15 09:13:18.455 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.42s
Dec 15 09:13:18.463 INFO [stderr] su: No module specific data is present
Dec 15 09:13:19.087 INFO running `"docker" "inspect" "37404c2e315c5da9102534e44c5ea7d496fa94a108c44166ed79bd19777f7443"`
Dec 15 09:13:19.393 INFO running `"docker" "rm" "-f" "37404c2e315c5da9102534e44c5ea7d496fa94a108c44166ed79bd19777f7443"`
Dec 15 09:13:19.795 INFO [stdout] 37404c2e315c5da9102534e44c5ea7d496fa94a108c44166ed79bd19777f7443
Dec 15 09:13:19.803 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 15 09:13:20.227 INFO [stdout] 09879d010a323b1145b3b1c5ce4f1189d8a4b943fb8d1342b42deceae5ae2f1a
Dec 15 09:13:20.229 INFO running `"docker" "start" "-a" "09879d010a323b1145b3b1c5ce4f1189d8a4b943fb8d1342b42deceae5ae2f1a"`
Dec 15 09:13:21.511 INFO [stderr] usermod: no changes
Dec 15 09:13:21.591 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Dec 15 09:13:21.591 INFO [stderr]      Running /target/debug/deps/handoff_counter-571ce0f49bf7d2ca
Dec 15 09:13:21.599 INFO [stdout] 
Dec 15 09:13:21.599 INFO [stdout] running 0 tests
Dec 15 09:13:21.599 INFO [stdout] 
Dec 15 09:13:21.599 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 09:13:21.599 INFO [stdout] 
Dec 15 09:13:21.611 INFO [stdout] 
Dec 15 09:13:21.611 INFO [stderr]      Running /target/debug/deps/simulate-2817ea93d8382e18
Dec 15 09:13:21.611 INFO [stdout] running 1 test
Dec 15 09:13:31.415 INFO [stdout] test tests::random_trace_test ... ok
Dec 15 09:13:31.415 INFO [stdout] 
Dec 15 09:13:31.415 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 09:13:31.415 INFO [stdout] 
Dec 15 09:13:31.419 INFO [stderr]    Doc-tests handoff_counter
Dec 15 09:13:32.558 INFO [stdout] 
Dec 15 09:13:32.558 INFO [stdout] running 0 tests
Dec 15 09:13:32.558 INFO [stdout] 
Dec 15 09:13:32.558 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 09:13:32.558 INFO [stdout] 
Dec 15 09:13:32.568 INFO [stderr] su: No module specific data is present
Dec 15 09:13:33.051 INFO running `"docker" "inspect" "09879d010a323b1145b3b1c5ce4f1189d8a4b943fb8d1342b42deceae5ae2f1a"`
Dec 15 09:13:33.287 INFO running `"docker" "rm" "-f" "09879d010a323b1145b3b1c5ce4f1189d8a4b943fb8d1342b42deceae5ae2f1a"`
Dec 15 09:13:33.658 INFO [stdout] 09879d010a323b1145b3b1c5ce4f1189d8a4b943fb8d1342b42deceae5ae2f1a