Dec 03 20:14:30.903 INFO testing acid-state-0.2.3 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 20:14:30.903 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt 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 20:14:31.189 INFO [stdout] e484d1685e99b7f6a63de818bbec04fbf8f502c9c9cd1d1af4288eec95bbd74d
Dec 03 20:14:31.199 INFO running `"docker" "start" "-a" "e484d1685e99b7f6a63de818bbec04fbf8f502c9c9cd1d1af4288eec95bbd74d"`
Dec 03 20:14:31.698 INFO [stderr] usermod: no changes
Dec 03 20:14:31.753 INFO [stderr]    Compiling bincode v0.5.9
Dec 03 20:14:33.354 INFO [stderr]    Compiling acid-state v0.2.3 (/source)
Dec 03 20:14:34.187 INFO [stderr] warning: unused `#[macro_use]` import
Dec 03 20:14:34.187 INFO [stderr]   --> src/lib.rs:49:1
Dec 03 20:14:34.187 INFO [stderr]    |
Dec 03 20:14:34.187 INFO [stderr] 49 | #[macro_use]
Dec 03 20:14:34.187 INFO [stderr]    | ^^^^^^^^^^^^
Dec 03 20:14:34.187 INFO [stderr]    |
Dec 03 20:14:34.187 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 03 20:14:34.187 INFO [stderr] 
Dec 03 20:14:34.255 INFO [stderr] warning: method is never used: `clear`
Dec 03 20:14:34.255 INFO [stderr]   --> src/wrapper_structs.rs:54:5
Dec 03 20:14:34.255 INFO [stderr]    |
Dec 03 20:14:34.255 INFO [stderr] 54 |     fn clear(&self) -> io::Result<()> {
Dec 03 20:14:34.255 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 20:14:34.255 INFO [stderr]    |
Dec 03 20:14:34.255 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 03 20:14:34.255 INFO [stderr] 
Dec 03 20:14:34.263 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 03 20:14:34.263 INFO [stderr]   --> src/wrapper_structs.rs:70:9
Dec 03 20:14:34.263 INFO [stderr]    |
Dec 03 20:14:34.263 INFO [stderr] 70 |         f.sync_all();
Dec 03 20:14:34.263 INFO [stderr]    |         ^^^^^^^^^^^^^
Dec 03 20:14:34.263 INFO [stderr]    |
Dec 03 20:14:34.263 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 03 20:14:34.263 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 03 20:14:34.263 INFO [stderr] 
Dec 03 20:14:34.263 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 03 20:14:34.263 INFO [stderr]   --> src/wrapper_structs.rs:88:9
Dec 03 20:14:34.263 INFO [stderr]    |
Dec 03 20:14:34.263 INFO [stderr] 88 |         self.write();
Dec 03 20:14:34.263 INFO [stderr]    |         ^^^^^^^^^^^^^
Dec 03 20:14:34.263 INFO [stderr]    |
Dec 03 20:14:34.263 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 03 20:14:34.263 INFO [stderr] 
Dec 03 20:14:34.303 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.58s
Dec 03 20:14:34.303 INFO [stderr] su: No module specific data is present
Dec 03 20:14:34.614 INFO running `"docker" "inspect" "e484d1685e99b7f6a63de818bbec04fbf8f502c9c9cd1d1af4288eec95bbd74d"`
Dec 03 20:14:34.727 INFO running `"docker" "rm" "-f" "e484d1685e99b7f6a63de818bbec04fbf8f502c9c9cd1d1af4288eec95bbd74d"`
Dec 03 20:14:34.824 INFO [stdout] e484d1685e99b7f6a63de818bbec04fbf8f502c9c9cd1d1af4288eec95bbd74d
Dec 03 20:14:34.828 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt 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 20:14:35.034 INFO [stdout] e9caee41a4b6754ee5196b5b92fc44cb4e46b07b70a6fc1f577f0e0eb9d2cd88
Dec 03 20:14:35.041 INFO running `"docker" "start" "-a" "e9caee41a4b6754ee5196b5b92fc44cb4e46b07b70a6fc1f577f0e0eb9d2cd88"`
Dec 03 20:14:35.634 INFO [stderr] usermod: no changes
Dec 03 20:14:35.674 INFO [stderr]    Compiling acid-state v0.2.3 (/source)
Dec 03 20:14:36.694 INFO [stderr] warning: unused `#[macro_use]` import
Dec 03 20:14:36.694 INFO [stderr]   --> src/lib.rs:49:1
Dec 03 20:14:36.694 INFO [stderr]    |
Dec 03 20:14:36.694 INFO [stderr] 49 | #[macro_use]
Dec 03 20:14:36.694 INFO [stderr]    | ^^^^^^^^^^^^
Dec 03 20:14:36.694 INFO [stderr]    |
Dec 03 20:14:36.694 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 03 20:14:36.694 INFO [stderr] 
Dec 03 20:14:36.759 INFO [stderr] warning: method is never used: `clear`
Dec 03 20:14:36.759 INFO [stderr]   --> src/wrapper_structs.rs:54:5
Dec 03 20:14:36.759 INFO [stderr]    |
Dec 03 20:14:36.759 INFO [stderr] 54 |     fn clear(&self) -> io::Result<()> {
Dec 03 20:14:36.759 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 20:14:36.759 INFO [stderr]    |
Dec 03 20:14:36.759 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 03 20:14:36.759 INFO [stderr] 
Dec 03 20:14:36.768 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 03 20:14:36.768 INFO [stderr]   --> src/wrapper_structs.rs:70:9
Dec 03 20:14:36.768 INFO [stderr]    |
Dec 03 20:14:36.768 INFO [stderr] 70 |         f.sync_all();
Dec 03 20:14:36.768 INFO [stderr]    |         ^^^^^^^^^^^^^
Dec 03 20:14:36.768 INFO [stderr]    |
Dec 03 20:14:36.768 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 03 20:14:36.768 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 03 20:14:36.768 INFO [stderr] 
Dec 03 20:14:36.768 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 03 20:14:36.768 INFO [stderr]   --> src/wrapper_structs.rs:88:9
Dec 03 20:14:36.768 INFO [stderr]    |
Dec 03 20:14:36.768 INFO [stderr] 88 |         self.write();
Dec 03 20:14:36.768 INFO [stderr]    |         ^^^^^^^^^^^^^
Dec 03 20:14:36.768 INFO [stderr]    |
Dec 03 20:14:36.768 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 03 20:14:36.768 INFO [stderr] 
Dec 03 20:14:36.928 INFO [stderr] warning: variable does not need to be mutable
Dec 03 20:14:36.928 INFO [stderr]   --> test/test.rs:28:17
Dec 03 20:14:36.928 INFO [stderr]    |
Dec 03 20:14:36.928 INFO [stderr] 28 |             let mut current = a.entry(key).or_insert(0);
Dec 03 20:14:36.928 INFO [stderr]    |                 ----^^^^^^^
Dec 03 20:14:36.928 INFO [stderr]    |                 |
Dec 03 20:14:36.928 INFO [stderr]    |                 help: remove this `mut`
Dec 03 20:14:36.928 INFO [stderr]    |
Dec 03 20:14:36.928 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 03 20:14:36.929 INFO [stderr] 
Dec 03 20:14:37.903 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.24s
Dec 03 20:14:37.903 INFO [stderr] su: No module specific data is present
Dec 03 20:14:38.269 INFO running `"docker" "inspect" "e9caee41a4b6754ee5196b5b92fc44cb4e46b07b70a6fc1f577f0e0eb9d2cd88"`
Dec 03 20:14:38.457 INFO running `"docker" "rm" "-f" "e9caee41a4b6754ee5196b5b92fc44cb4e46b07b70a6fc1f577f0e0eb9d2cd88"`
Dec 03 20:14:38.708 INFO [stdout] e9caee41a4b6754ee5196b5b92fc44cb4e46b07b70a6fc1f577f0e0eb9d2cd88
