Dec 08 00:35:18.855 INFO testing acid-state-0.2.3 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 08 00:35:18.855 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 08 00:35:19.099 INFO [stdout] 1c23df79483d57957b35de18e5c5728704c67b79f1a0bc415c607646042f4db6
Dec 08 00:35:19.102 INFO running `"docker" "start" "-a" "1c23df79483d57957b35de18e5c5728704c67b79f1a0bc415c607646042f4db6"`
Dec 08 00:35:19.656 INFO [stderr] usermod: no changes
Dec 08 00:35:19.762 INFO [stderr]    Compiling bincode v0.5.9
Dec 08 00:35:21.106 INFO [stderr]    Compiling acid-state v0.2.3 (/source)
Dec 08 00:35:21.611 INFO [stderr] warning: unused `#[macro_use]` import
Dec 08 00:35:21.611 INFO [stderr]   --> src/lib.rs:49:1
Dec 08 00:35:21.611 INFO [stderr]    |
Dec 08 00:35:21.611 INFO [stderr] 49 | #[macro_use]
Dec 08 00:35:21.611 INFO [stderr]    | ^^^^^^^^^^^^
Dec 08 00:35:21.611 INFO [stderr]    |
Dec 08 00:35:21.611 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 08 00:35:21.611 INFO [stderr] 
Dec 08 00:35:21.668 INFO [stderr] warning: method is never used: `clear`
Dec 08 00:35:21.668 INFO [stderr]   --> src/wrapper_structs.rs:54:5
Dec 08 00:35:21.668 INFO [stderr]    |
Dec 08 00:35:21.668 INFO [stderr] 54 |     fn clear(&self) -> io::Result<()> {
Dec 08 00:35:21.668 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 08 00:35:21.668 INFO [stderr]    |
Dec 08 00:35:21.668 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 08 00:35:21.668 INFO [stderr] 
Dec 08 00:35:21.675 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 08 00:35:21.675 INFO [stderr]   --> src/wrapper_structs.rs:70:9
Dec 08 00:35:21.675 INFO [stderr]    |
Dec 08 00:35:21.675 INFO [stderr] 70 |         f.sync_all();
Dec 08 00:35:21.675 INFO [stderr]    |         ^^^^^^^^^^^^^
Dec 08 00:35:21.675 INFO [stderr]    |
Dec 08 00:35:21.675 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 08 00:35:21.675 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 08 00:35:21.675 INFO [stderr] 
Dec 08 00:35:21.675 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 08 00:35:21.675 INFO [stderr]   --> src/wrapper_structs.rs:88:9
Dec 08 00:35:21.675 INFO [stderr]    |
Dec 08 00:35:21.675 INFO [stderr] 88 |         self.write();
Dec 08 00:35:21.675 INFO [stderr]    |         ^^^^^^^^^^^^^
Dec 08 00:35:21.675 INFO [stderr]    |
Dec 08 00:35:21.675 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 08 00:35:21.675 INFO [stderr] 
Dec 08 00:35:21.690 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
Dec 08 00:35:21.693 INFO [stderr] su: No module specific data is present
Dec 08 00:35:22.160 INFO running `"docker" "inspect" "1c23df79483d57957b35de18e5c5728704c67b79f1a0bc415c607646042f4db6"`
Dec 08 00:35:22.310 INFO running `"docker" "rm" "-f" "1c23df79483d57957b35de18e5c5728704c67b79f1a0bc415c607646042f4db6"`
Dec 08 00:35:22.482 INFO [stdout] 1c23df79483d57957b35de18e5c5728704c67b79f1a0bc415c607646042f4db6
Dec 08 00:35:22.484 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 08 00:35:22.704 INFO [stdout] 6bf0f2d6c52dc843cce052ac3b9231570e85877888fbd932554d261b3605a162
Dec 08 00:35:22.710 INFO running `"docker" "start" "-a" "6bf0f2d6c52dc843cce052ac3b9231570e85877888fbd932554d261b3605a162"`
Dec 08 00:35:23.256 INFO [stderr] usermod: no changes
Dec 08 00:35:23.297 INFO [stderr]    Compiling acid-state v0.2.3 (/source)
Dec 08 00:35:23.937 INFO [stderr] warning: unused `#[macro_use]` import
Dec 08 00:35:23.937 INFO [stderr]   --> src/lib.rs:49:1
Dec 08 00:35:23.937 INFO [stderr]    |
Dec 08 00:35:23.937 INFO [stderr] 49 | #[macro_use]
Dec 08 00:35:23.937 INFO [stderr]    | ^^^^^^^^^^^^
Dec 08 00:35:23.937 INFO [stderr]    |
Dec 08 00:35:23.937 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 08 00:35:23.937 INFO [stderr] 
Dec 08 00:35:23.995 INFO [stderr] warning: method is never used: `clear`
Dec 08 00:35:23.996 INFO [stderr]   --> src/wrapper_structs.rs:54:5
Dec 08 00:35:23.996 INFO [stderr]    |
Dec 08 00:35:23.996 INFO [stderr] 54 |     fn clear(&self) -> io::Result<()> {
Dec 08 00:35:23.996 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 08 00:35:23.996 INFO [stderr]    |
Dec 08 00:35:23.996 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 08 00:35:23.996 INFO [stderr] 
Dec 08 00:35:23.996 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 08 00:35:23.996 INFO [stderr]   --> src/wrapper_structs.rs:70:9
Dec 08 00:35:23.996 INFO [stderr]    |
Dec 08 00:35:23.996 INFO [stderr] 70 |         f.sync_all();
Dec 08 00:35:23.996 INFO [stderr]    |         ^^^^^^^^^^^^^
Dec 08 00:35:23.996 INFO [stderr]    |
Dec 08 00:35:23.996 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 08 00:35:23.996 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 08 00:35:23.996 INFO [stderr] 
Dec 08 00:35:23.996 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 08 00:35:23.996 INFO [stderr]   --> src/wrapper_structs.rs:88:9
Dec 08 00:35:23.996 INFO [stderr]    |
Dec 08 00:35:23.996 INFO [stderr] 88 |         self.write();
Dec 08 00:35:23.996 INFO [stderr]    |         ^^^^^^^^^^^^^
Dec 08 00:35:23.996 INFO [stderr]    |
Dec 08 00:35:23.996 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 08 00:35:23.996 INFO [stderr] 
Dec 08 00:35:24.213 INFO [stderr] warning: variable does not need to be mutable
Dec 08 00:35:24.214 INFO [stderr]   --> test/test.rs:28:17
Dec 08 00:35:24.214 INFO [stderr]    |
Dec 08 00:35:24.214 INFO [stderr] 28 |             let mut current = a.entry(key).or_insert(0);
Dec 08 00:35:24.214 INFO [stderr]    |                 ----^^^^^^^
Dec 08 00:35:24.214 INFO [stderr]    |                 |
Dec 08 00:35:24.214 INFO [stderr]    |                 help: remove this `mut`
Dec 08 00:35:24.214 INFO [stderr]    |
Dec 08 00:35:24.214 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 08 00:35:24.214 INFO [stderr] 
Dec 08 00:35:24.842 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
Dec 08 00:35:24.846 INFO [stderr] su: No module specific data is present
Dec 08 00:35:25.170 INFO running `"docker" "inspect" "6bf0f2d6c52dc843cce052ac3b9231570e85877888fbd932554d261b3605a162"`
Dec 08 00:35:25.277 INFO running `"docker" "rm" "-f" "6bf0f2d6c52dc843cce052ac3b9231570e85877888fbd932554d261b3605a162"`
Dec 08 00:35:25.416 INFO [stdout] 6bf0f2d6c52dc843cce052ac3b9231570e85877888fbd932554d261b3605a162