Dec 15 19:32:19.523 INFO testing cbuf-0.1.1 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 19:32:19.556 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 15 19:32:19.751 INFO [stdout] df183d7580b52d41b09f6f8d467e0ed9ea8e7358638814216fa6bc40ad847afb
Dec 15 19:32:19.754 INFO running `"docker" "start" "-a" "df183d7580b52d41b09f6f8d467e0ed9ea8e7358638814216fa6bc40ad847afb"`
Dec 15 19:32:20.146 INFO [stderr] usermod: no changes
Dec 15 19:32:20.179 INFO [stderr]    Compiling cbuf v0.1.1 (/source)
Dec 15 19:32:20.893 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
Dec 15 19:32:20.894 INFO [stderr] su: No module specific data is present
Dec 15 19:32:21.359 INFO running `"docker" "inspect" "df183d7580b52d41b09f6f8d467e0ed9ea8e7358638814216fa6bc40ad847afb"`
Dec 15 19:32:21.667 INFO running `"docker" "rm" "-f" "df183d7580b52d41b09f6f8d467e0ed9ea8e7358638814216fa6bc40ad847afb"`
Dec 15 19:32:21.994 INFO [stdout] df183d7580b52d41b09f6f8d467e0ed9ea8e7358638814216fa6bc40ad847afb
Dec 15 19:32:22.002 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 15 19:32:22.284 INFO [stdout] 4213404b6d54abe6fda7b92f26305188b3290de2a634968868c396267fbc0ff1
Dec 15 19:32:22.288 INFO running `"docker" "start" "-a" "4213404b6d54abe6fda7b92f26305188b3290de2a634968868c396267fbc0ff1"`
Dec 15 19:32:22.691 INFO [stderr] usermod: no changes
Dec 15 19:32:22.716 INFO [stderr]    Compiling cbuf v0.1.1 (/source)
Dec 15 19:32:23.443 INFO [stderr] warning: variable does not need to be mutable
Dec 15 19:32:23.443 INFO [stderr]    --> src/lib.rs:235:13
Dec 15 19:32:23.443 INFO [stderr]     |
Dec 15 19:32:23.443 INFO [stderr] 235 |         let mut buf = &mut [0u8, 2];
Dec 15 19:32:23.443 INFO [stderr]     |             ----^^^
Dec 15 19:32:23.443 INFO [stderr]     |             |
Dec 15 19:32:23.443 INFO [stderr]     |             help: remove this `mut`
Dec 15 19:32:23.443 INFO [stderr]     |
Dec 15 19:32:23.443 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 15 19:32:23.443 INFO [stderr] 
Dec 15 19:32:23.454 INFO [stderr] warning: variable does not need to be mutable
Dec 15 19:32:23.455 INFO [stderr]    --> src/lib.rs:266:13
Dec 15 19:32:23.455 INFO [stderr]     |
Dec 15 19:32:23.455 INFO [stderr] 266 |         let mut buf = &mut [0u8, 0u8];
Dec 15 19:32:23.455 INFO [stderr]     |             ----^^^
Dec 15 19:32:23.455 INFO [stderr]     |             |
Dec 15 19:32:23.455 INFO [stderr]     |             help: remove this `mut`
Dec 15 19:32:23.455 INFO [stderr] 
Dec 15 19:32:23.455 INFO [stderr] warning: variable does not need to be mutable
Dec 15 19:32:23.455 INFO [stderr]    --> src/lib.rs:298:13
Dec 15 19:32:23.455 INFO [stderr]     |
Dec 15 19:32:23.455 INFO [stderr] 298 |         let mut buf = &mut [0u8, 0u8];
Dec 15 19:32:23.455 INFO [stderr]     |             ----^^^
Dec 15 19:32:23.455 INFO [stderr]     |             |
Dec 15 19:32:23.455 INFO [stderr]     |             help: remove this `mut`
Dec 15 19:32:23.455 INFO [stderr] 
Dec 15 19:32:23.901 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
Dec 15 19:32:23.907 INFO [stderr] su: No module specific data is present
Dec 15 19:32:24.118 INFO running `"docker" "inspect" "4213404b6d54abe6fda7b92f26305188b3290de2a634968868c396267fbc0ff1"`
Dec 15 19:32:24.198 INFO running `"docker" "rm" "-f" "4213404b6d54abe6fda7b92f26305188b3290de2a634968868c396267fbc0ff1"`
Dec 15 19:32:24.334 INFO [stdout] 4213404b6d54abe6fda7b92f26305188b3290de2a634968868c396267fbc0ff1
Dec 15 19:32:24.336 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --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 15 19:32:24.559 INFO [stdout] f7e01c0c4cdb8d39445800c82e22c3a8745752cee409647da98bfd126ba24ad9
Dec 15 19:32:24.561 INFO running `"docker" "start" "-a" "f7e01c0c4cdb8d39445800c82e22c3a8745752cee409647da98bfd126ba24ad9"`
Dec 15 19:32:25.475 INFO [stderr] usermod: no changes
Dec 15 19:32:25.514 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 15 19:32:25.523 INFO [stderr]      Running /target/debug/deps/cbuf-a610a9926adb2f26
Dec 15 19:32:25.542 INFO [stdout] 
Dec 15 19:32:25.542 INFO [stdout] running 6 tests
Dec 15 19:32:25.542 INFO [stdout] test tests::basic_cbuf ... ok
Dec 15 19:32:25.542 INFO [stdout] test tests::patterns ... ok
Dec 15 19:32:25.551 INFO [stdout] test tests::put_and_get ... ok
Dec 15 19:32:25.551 INFO [stderr]    Doc-tests cbuf
Dec 15 19:32:25.551 INFO [stdout] test tests::basic_ctl ... ok
Dec 15 19:32:25.551 INFO [stdout] test tests::test_ptr ... ok
Dec 15 19:32:25.551 INFO [stdout] test tests::put_unchecked_and_get ... ok
Dec 15 19:32:25.551 INFO [stdout] 
Dec 15 19:32:25.551 INFO [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 19:32:25.551 INFO [stdout] 
Dec 15 19:32:26.934 INFO [stdout] 
Dec 15 19:32:26.934 INFO [stdout] running 0 tests
Dec 15 19:32:26.934 INFO [stdout] 
Dec 15 19:32:26.934 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 19:32:26.934 INFO [stdout] 
Dec 15 19:32:26.947 INFO [stderr] su: No module specific data is present
Dec 15 19:32:27.336 INFO running `"docker" "inspect" "f7e01c0c4cdb8d39445800c82e22c3a8745752cee409647da98bfd126ba24ad9"`
Dec 15 19:32:27.439 INFO running `"docker" "rm" "-f" "f7e01c0c4cdb8d39445800c82e22c3a8745752cee409647da98bfd126ba24ad9"`
Dec 15 19:32:27.518 INFO [stdout] f7e01c0c4cdb8d39445800c82e22c3a8745752cee409647da98bfd126ba24ad9