Dec 08 00:35:18.793 INFO testing acid-state-0.2.3 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 08 00:35:18.793 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 00:35:19.058 INFO [stdout] b4d3149560455ca29aa61cc46696850df18c109a536703c86873526994c5335f
Dec 08 00:35:19.060 INFO running `"docker" "start" "-a" "b4d3149560455ca29aa61cc46696850df18c109a536703c86873526994c5335f"`
Dec 08 00:35:19.612 INFO [stderr] usermod: no changes
Dec 08 00:35:19.658 INFO [stderr]    Compiling acid-state v0.2.3 (/source)
Dec 08 00:35:20.244 INFO [stderr] warning: unused `#[macro_use]` import
Dec 08 00:35:20.244 INFO [stderr]   --> src/lib.rs:49:1
Dec 08 00:35:20.244 INFO [stderr]    |
Dec 08 00:35:20.244 INFO [stderr] 49 | #[macro_use]
Dec 08 00:35:20.244 INFO [stderr]    | ^^^^^^^^^^^^
Dec 08 00:35:20.244 INFO [stderr]    |
Dec 08 00:35:20.244 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 08 00:35:20.244 INFO [stderr] 
Dec 08 00:35:20.287 INFO [stderr] warning: method is never used: `clear`
Dec 08 00:35:20.287 INFO [stderr]   --> src/wrapper_structs.rs:54:5
Dec 08 00:35:20.287 INFO [stderr]    |
Dec 08 00:35:20.287 INFO [stderr] 54 |     fn clear(&self) -> io::Result<()> {
Dec 08 00:35:20.287 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 08 00:35:20.287 INFO [stderr]    |
Dec 08 00:35:20.287 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 08 00:35:20.287 INFO [stderr] 
Dec 08 00:35:20.297 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 08 00:35:20.297 INFO [stderr]   --> src/wrapper_structs.rs:70:9
Dec 08 00:35:20.297 INFO [stderr]    |
Dec 08 00:35:20.297 INFO [stderr] 70 |         f.sync_all();
Dec 08 00:35:20.297 INFO [stderr]    |         ^^^^^^^^^^^^^
Dec 08 00:35:20.297 INFO [stderr]    |
Dec 08 00:35:20.297 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 08 00:35:20.297 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 08 00:35:20.297 INFO [stderr] 
Dec 08 00:35:20.297 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 08 00:35:20.297 INFO [stderr]   --> src/wrapper_structs.rs:88:9
Dec 08 00:35:20.297 INFO [stderr]    |
Dec 08 00:35:20.297 INFO [stderr] 88 |         self.write();
Dec 08 00:35:20.297 INFO [stderr]    |         ^^^^^^^^^^^^^
Dec 08 00:35:20.297 INFO [stderr]    |
Dec 08 00:35:20.297 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 08 00:35:20.297 INFO [stderr] 
Dec 08 00:35:20.324 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
Dec 08 00:35:20.327 INFO [stderr] su: No module specific data is present
Dec 08 00:35:20.580 INFO running `"docker" "inspect" "b4d3149560455ca29aa61cc46696850df18c109a536703c86873526994c5335f"`
Dec 08 00:35:20.661 INFO running `"docker" "rm" "-f" "b4d3149560455ca29aa61cc46696850df18c109a536703c86873526994c5335f"`
Dec 08 00:35:20.766 INFO [stdout] b4d3149560455ca29aa61cc46696850df18c109a536703c86873526994c5335f
Dec 08 00:35:20.767 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 00:35:20.979 INFO [stdout] 18c4c898efb6e84d3c5e270236ad611d1e01eb6c4a5be018f6cfaf7c454a163e
Dec 08 00:35:20.979 INFO running `"docker" "start" "-a" "18c4c898efb6e84d3c5e270236ad611d1e01eb6c4a5be018f6cfaf7c454a163e"`
Dec 08 00:35:21.536 INFO [stderr] usermod: no changes
Dec 08 00:35:21.570 INFO [stderr]    Compiling acid-state v0.2.3 (/source)
Dec 08 00:35:22.267 INFO [stderr] warning: unused `#[macro_use]` import
Dec 08 00:35:22.267 INFO [stderr]   --> src/lib.rs:49:1
Dec 08 00:35:22.267 INFO [stderr]    |
Dec 08 00:35:22.267 INFO [stderr] 49 | #[macro_use]
Dec 08 00:35:22.267 INFO [stderr]    | ^^^^^^^^^^^^
Dec 08 00:35:22.267 INFO [stderr]    |
Dec 08 00:35:22.267 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 08 00:35:22.267 INFO [stderr] 
Dec 08 00:35:22.320 INFO [stderr] warning: method is never used: `clear`
Dec 08 00:35:22.320 INFO [stderr]   --> src/wrapper_structs.rs:54:5
Dec 08 00:35:22.320 INFO [stderr]    |
Dec 08 00:35:22.320 INFO [stderr] 54 |     fn clear(&self) -> io::Result<()> {
Dec 08 00:35:22.320 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 08 00:35:22.320 INFO [stderr]    |
Dec 08 00:35:22.320 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 08 00:35:22.320 INFO [stderr] 
Dec 08 00:35:22.328 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 08 00:35:22.328 INFO [stderr]   --> src/wrapper_structs.rs:70:9
Dec 08 00:35:22.328 INFO [stderr]    |
Dec 08 00:35:22.328 INFO [stderr] 70 |         f.sync_all();
Dec 08 00:35:22.328 INFO [stderr]    |         ^^^^^^^^^^^^^
Dec 08 00:35:22.328 INFO [stderr]    |
Dec 08 00:35:22.328 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 08 00:35:22.328 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 08 00:35:22.328 INFO [stderr] 
Dec 08 00:35:22.328 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 08 00:35:22.328 INFO [stderr]   --> src/wrapper_structs.rs:88:9
Dec 08 00:35:22.328 INFO [stderr]    |
Dec 08 00:35:22.328 INFO [stderr] 88 |         self.write();
Dec 08 00:35:22.328 INFO [stderr]    |         ^^^^^^^^^^^^^
Dec 08 00:35:22.328 INFO [stderr]    |
Dec 08 00:35:22.328 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 08 00:35:22.328 INFO [stderr] 
Dec 08 00:35:22.446 INFO [stderr] warning: variable does not need to be mutable
Dec 08 00:35:22.446 INFO [stderr]   --> test/test.rs:28:17
Dec 08 00:35:22.446 INFO [stderr]    |
Dec 08 00:35:22.446 INFO [stderr] 28 |             let mut current = a.entry(key).or_insert(0);
Dec 08 00:35:22.446 INFO [stderr]    |                 ----^^^^^^^
Dec 08 00:35:22.446 INFO [stderr]    |                 |
Dec 08 00:35:22.446 INFO [stderr]    |                 help: remove this `mut`
Dec 08 00:35:22.446 INFO [stderr]    |
Dec 08 00:35:22.446 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 08 00:35:22.446 INFO [stderr] 
Dec 08 00:35:23.152 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
Dec 08 00:35:23.156 INFO [stderr] su: No module specific data is present
Dec 08 00:35:23.569 INFO running `"docker" "inspect" "18c4c898efb6e84d3c5e270236ad611d1e01eb6c4a5be018f6cfaf7c454a163e"`
Dec 08 00:35:23.745 INFO running `"docker" "rm" "-f" "18c4c898efb6e84d3c5e270236ad611d1e01eb6c4a5be018f6cfaf7c454a163e"`
Dec 08 00:35:23.838 INFO [stdout] 18c4c898efb6e84d3c5e270236ad611d1e01eb6c4a5be018f6cfaf7c454a163e