Dec 03 20:14:32.416 INFO testing acid-state-0.2.3 against 1.30.1 for beta-1.31-5
Dec 03 20:14:32.417 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 03 20:14:32.662 INFO [stdout] dc618dce3fc86a425af068ea63d7ded5e0fa168ac274b8eb121b9ea0b16dc252
Dec 03 20:14:32.666 INFO running `"docker" "start" "-a" "dc618dce3fc86a425af068ea63d7ded5e0fa168ac274b8eb121b9ea0b16dc252"`
Dec 03 20:14:33.183 INFO [stderr] usermod: no changes
Dec 03 20:14:33.224 INFO [stderr]    Compiling bincode v0.5.9
Dec 03 20:14:34.915 INFO [stderr]    Compiling acid-state v0.2.3 (/source)
Dec 03 20:14:35.766 INFO [stderr] warning: unused `#[macro_use]` import
Dec 03 20:14:35.766 INFO [stderr]   --> src/lib.rs:49:1
Dec 03 20:14:35.766 INFO [stderr]    |
Dec 03 20:14:35.766 INFO [stderr] 49 | #[macro_use]
Dec 03 20:14:35.766 INFO [stderr]    | ^^^^^^^^^^^^
Dec 03 20:14:35.766 INFO [stderr]    |
Dec 03 20:14:35.767 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 03 20:14:35.767 INFO [stderr] 
Dec 03 20:14:35.832 INFO [stderr] warning: method is never used: `clear`
Dec 03 20:14:35.832 INFO [stderr]   --> src/wrapper_structs.rs:54:5
Dec 03 20:14:35.832 INFO [stderr]    |
Dec 03 20:14:35.832 INFO [stderr] 54 |     fn clear(&self) -> io::Result<()> {
Dec 03 20:14:35.832 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 20:14:35.832 INFO [stderr]    |
Dec 03 20:14:35.832 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 03 20:14:35.832 INFO [stderr] 
Dec 03 20:14:35.843 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 03 20:14:35.843 INFO [stderr]   --> src/wrapper_structs.rs:70:9
Dec 03 20:14:35.843 INFO [stderr]    |
Dec 03 20:14:35.843 INFO [stderr] 70 |         f.sync_all();
Dec 03 20:14:35.843 INFO [stderr]    |         ^^^^^^^^^^^^^
Dec 03 20:14:35.843 INFO [stderr]    |
Dec 03 20:14:35.843 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 03 20:14:35.843 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 03 20:14:35.843 INFO [stderr] 
Dec 03 20:14:35.843 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 03 20:14:35.843 INFO [stderr]   --> src/wrapper_structs.rs:88:9
Dec 03 20:14:35.843 INFO [stderr]    |
Dec 03 20:14:35.843 INFO [stderr] 88 |         self.write();
Dec 03 20:14:35.843 INFO [stderr]    |         ^^^^^^^^^^^^^
Dec 03 20:14:35.843 INFO [stderr]    |
Dec 03 20:14:35.843 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 03 20:14:35.843 INFO [stderr] 
Dec 03 20:14:35.873 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.67s
Dec 03 20:14:35.882 INFO [stderr] su: No module specific data is present
Dec 03 20:14:36.360 INFO running `"docker" "inspect" "dc618dce3fc86a425af068ea63d7ded5e0fa168ac274b8eb121b9ea0b16dc252"`
Dec 03 20:14:36.449 INFO running `"docker" "rm" "-f" "dc618dce3fc86a425af068ea63d7ded5e0fa168ac274b8eb121b9ea0b16dc252"`
Dec 03 20:14:36.596 INFO [stdout] dc618dce3fc86a425af068ea63d7ded5e0fa168ac274b8eb121b9ea0b16dc252
Dec 03 20:14:36.601 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 03 20:14:36.856 INFO [stdout] bff6871a2082df5763f253249650c02f318f61177ad4efab45e63a01b2380d87
Dec 03 20:14:36.860 INFO running `"docker" "start" "-a" "bff6871a2082df5763f253249650c02f318f61177ad4efab45e63a01b2380d87"`
Dec 03 20:14:37.407 INFO [stderr] usermod: no changes
Dec 03 20:14:37.440 INFO [stderr]    Compiling acid-state v0.2.3 (/source)
Dec 03 20:14:38.615 INFO [stderr] warning: unused `#[macro_use]` import
Dec 03 20:14:38.615 INFO [stderr]   --> src/lib.rs:49:1
Dec 03 20:14:38.615 INFO [stderr]    |
Dec 03 20:14:38.615 INFO [stderr] 49 | #[macro_use]
Dec 03 20:14:38.615 INFO [stderr]    | ^^^^^^^^^^^^
Dec 03 20:14:38.615 INFO [stderr]    |
Dec 03 20:14:38.615 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 03 20:14:38.615 INFO [stderr] 
Dec 03 20:14:38.679 INFO [stderr] warning: method is never used: `clear`
Dec 03 20:14:38.679 INFO [stderr]   --> src/wrapper_structs.rs:54:5
Dec 03 20:14:38.679 INFO [stderr]    |
Dec 03 20:14:38.679 INFO [stderr] 54 |     fn clear(&self) -> io::Result<()> {
Dec 03 20:14:38.679 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 20:14:38.679 INFO [stderr]    |
Dec 03 20:14:38.679 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 03 20:14:38.679 INFO [stderr] 
Dec 03 20:14:38.689 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 03 20:14:38.689 INFO [stderr]   --> src/wrapper_structs.rs:70:9
Dec 03 20:14:38.689 INFO [stderr]    |
Dec 03 20:14:38.689 INFO [stderr] 70 |         f.sync_all();
Dec 03 20:14:38.689 INFO [stderr]    |         ^^^^^^^^^^^^^
Dec 03 20:14:38.689 INFO [stderr]    |
Dec 03 20:14:38.689 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 03 20:14:38.689 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 03 20:14:38.689 INFO [stderr] 
Dec 03 20:14:38.695 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 03 20:14:38.695 INFO [stderr]   --> src/wrapper_structs.rs:88:9
Dec 03 20:14:38.695 INFO [stderr]    |
Dec 03 20:14:38.695 INFO [stderr] 88 |         self.write();
Dec 03 20:14:38.695 INFO [stderr]    |         ^^^^^^^^^^^^^
Dec 03 20:14:38.695 INFO [stderr]    |
Dec 03 20:14:38.695 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 03 20:14:38.695 INFO [stderr] 
Dec 03 20:14:38.917 INFO [stderr] warning: variable does not need to be mutable
Dec 03 20:14:38.917 INFO [stderr]   --> test/test.rs:28:17
Dec 03 20:14:38.917 INFO [stderr]    |
Dec 03 20:14:38.917 INFO [stderr] 28 |             let mut current = a.entry(key).or_insert(0);
Dec 03 20:14:38.917 INFO [stderr]    |                 ----^^^^^^^
Dec 03 20:14:38.917 INFO [stderr]    |                 |
Dec 03 20:14:38.923 INFO [stderr]    |                 help: remove this `mut`
Dec 03 20:14:38.923 INFO [stderr]    |
Dec 03 20:14:38.923 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 03 20:14:38.923 INFO [stderr] 
Dec 03 20:14:39.820 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.40s
Dec 03 20:14:39.822 INFO [stderr] su: No module specific data is present
Dec 03 20:14:40.097 INFO running `"docker" "inspect" "bff6871a2082df5763f253249650c02f318f61177ad4efab45e63a01b2380d87"`
Dec 03 20:14:40.164 INFO running `"docker" "rm" "-f" "bff6871a2082df5763f253249650c02f318f61177ad4efab45e63a01b2380d87"`
Dec 03 20:14:40.253 INFO [stdout] bff6871a2082df5763f253249650c02f318f61177ad4efab45e63a01b2380d87
