Nov 18 21:14:40.815 INFO testing acid-state-0.2.3 against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 18 21:14:40.815 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 18 21:14:41.029 INFO [stdout] 3858a80368bfa27014a869e961a021e27af95162b99734dc210791994d7da0f6
Nov 18 21:14:41.030 INFO running `"docker" "start" "-a" "3858a80368bfa27014a869e961a021e27af95162b99734dc210791994d7da0f6"`
Nov 18 21:14:41.788 INFO [stderr] usermod: no changes
Nov 18 21:14:41.907 INFO [stderr]    Compiling bincode v0.5.9
Nov 18 21:14:43.485 INFO [stderr]    Compiling acid-state v0.2.3 (/source)
Nov 18 21:14:43.931 INFO [stderr] warning: unused `#[macro_use]` import
Nov 18 21:14:43.931 INFO [stderr]   --> src/lib.rs:49:1
Nov 18 21:14:43.931 INFO [stderr]    |
Nov 18 21:14:43.931 INFO [stderr] 49 | #[macro_use]
Nov 18 21:14:43.931 INFO [stderr]    | ^^^^^^^^^^^^
Nov 18 21:14:43.931 INFO [stderr]    |
Nov 18 21:14:43.931 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 18 21:14:43.931 INFO [stderr] 
Nov 18 21:14:43.981 INFO [stderr] warning: method is never used: `clear`
Nov 18 21:14:43.983 INFO [stderr]   --> src/wrapper_structs.rs:54:5
Nov 18 21:14:43.983 INFO [stderr]    |
Nov 18 21:14:43.983 INFO [stderr] 54 |     fn clear(&self) -> io::Result<()> {
Nov 18 21:14:43.983 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 21:14:43.983 INFO [stderr]    |
Nov 18 21:14:43.983 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 18 21:14:43.983 INFO [stderr] 
Nov 18 21:14:43.990 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 21:14:43.990 INFO [stderr]   --> src/wrapper_structs.rs:70:9
Nov 18 21:14:43.990 INFO [stderr]    |
Nov 18 21:14:43.990 INFO [stderr] 70 |         f.sync_all();
Nov 18 21:14:43.990 INFO [stderr]    |         ^^^^^^^^^^^^^
Nov 18 21:14:43.990 INFO [stderr]    |
Nov 18 21:14:43.990 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 18 21:14:43.990 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 21:14:43.990 INFO [stderr] 
Nov 18 21:14:43.990 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 21:14:43.990 INFO [stderr]   --> src/wrapper_structs.rs:88:9
Nov 18 21:14:43.991 INFO [stderr]    |
Nov 18 21:14:43.991 INFO [stderr] 88 |         self.write();
Nov 18 21:14:43.991 INFO [stderr]    |         ^^^^^^^^^^^^^
Nov 18 21:14:43.991 INFO [stderr]    |
Nov 18 21:14:43.991 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 21:14:43.991 INFO [stderr] 
Nov 18 21:14:44.008 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.20s
Nov 18 21:14:44.010 INFO [stderr] su: No module specific data is present
Nov 18 21:14:44.288 INFO running `"docker" "inspect" "3858a80368bfa27014a869e961a021e27af95162b99734dc210791994d7da0f6"`
Nov 18 21:14:44.374 INFO running `"docker" "rm" "-f" "3858a80368bfa27014a869e961a021e27af95162b99734dc210791994d7da0f6"`
Nov 18 21:14:44.597 INFO [stdout] 3858a80368bfa27014a869e961a021e27af95162b99734dc210791994d7da0f6
Nov 18 21:14:44.605 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 18 21:14:45.003 INFO [stdout] 3e4f619d6d6c4302995a1fa76bdbb890f7274453a99ec7d6372beada4b846887
Nov 18 21:14:45.008 INFO running `"docker" "start" "-a" "3e4f619d6d6c4302995a1fa76bdbb890f7274453a99ec7d6372beada4b846887"`
Nov 18 21:14:45.627 INFO [stderr] usermod: no changes
Nov 18 21:14:45.663 INFO [stderr]    Compiling acid-state v0.2.3 (/source)
Nov 18 21:14:46.331 INFO [stderr] warning: unused `#[macro_use]` import
Nov 18 21:14:46.331 INFO [stderr]   --> src/lib.rs:49:1
Nov 18 21:14:46.331 INFO [stderr]    |
Nov 18 21:14:46.331 INFO [stderr] 49 | #[macro_use]
Nov 18 21:14:46.331 INFO [stderr]    | ^^^^^^^^^^^^
Nov 18 21:14:46.331 INFO [stderr]    |
Nov 18 21:14:46.331 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 18 21:14:46.331 INFO [stderr] 
Nov 18 21:14:46.381 INFO [stderr] warning: method is never used: `clear`
Nov 18 21:14:46.381 INFO [stderr]   --> src/wrapper_structs.rs:54:5
Nov 18 21:14:46.382 INFO [stderr]    |
Nov 18 21:14:46.382 INFO [stderr] 54 |     fn clear(&self) -> io::Result<()> {
Nov 18 21:14:46.382 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 21:14:46.382 INFO [stderr]    |
Nov 18 21:14:46.383 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 18 21:14:46.383 INFO [stderr] 
Nov 18 21:14:46.395 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 21:14:46.395 INFO [stderr]   --> src/wrapper_structs.rs:70:9
Nov 18 21:14:46.396 INFO [stderr]    |
Nov 18 21:14:46.396 INFO [stderr] 70 |         f.sync_all();
Nov 18 21:14:46.396 INFO [stderr]    |         ^^^^^^^^^^^^^
Nov 18 21:14:46.396 INFO [stderr]    |
Nov 18 21:14:46.397 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 18 21:14:46.397 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 21:14:46.397 INFO [stderr] 
Nov 18 21:14:46.398 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 21:14:46.398 INFO [stderr]   --> src/wrapper_structs.rs:88:9
Nov 18 21:14:46.398 INFO [stderr]    |
Nov 18 21:14:46.398 INFO [stderr] 88 |         self.write();
Nov 18 21:14:46.399 INFO [stderr]    |         ^^^^^^^^^^^^^
Nov 18 21:14:46.399 INFO [stderr]    |
Nov 18 21:14:46.399 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 21:14:46.399 INFO [stderr] 
Nov 18 21:14:46.488 INFO [stderr] warning: variable does not need to be mutable
Nov 18 21:14:46.488 INFO [stderr]   --> test/test.rs:28:17
Nov 18 21:14:46.488 INFO [stderr]    |
Nov 18 21:14:46.488 INFO [stderr] 28 |             let mut current = a.entry(key).or_insert(0);
Nov 18 21:14:46.488 INFO [stderr]    |                 ----^^^^^^^
Nov 18 21:14:46.488 INFO [stderr]    |                 |
Nov 18 21:14:46.488 INFO [stderr]    |                 help: remove this `mut`
Nov 18 21:14:46.488 INFO [stderr]    |
Nov 18 21:14:46.488 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 18 21:14:46.488 INFO [stderr] 
Nov 18 21:14:47.160 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
Nov 18 21:14:47.164 INFO [stderr] su: No module specific data is present
Nov 18 21:14:47.518 INFO running `"docker" "inspect" "3e4f619d6d6c4302995a1fa76bdbb890f7274453a99ec7d6372beada4b846887"`
Nov 18 21:14:47.612 INFO running `"docker" "rm" "-f" "3e4f619d6d6c4302995a1fa76bdbb890f7274453a99ec7d6372beada4b846887"`
Nov 18 21:14:47.699 INFO [stdout] 3e4f619d6d6c4302995a1fa76bdbb890f7274453a99ec7d6372beada4b846887