[INFO] crate copy_arena 0.1.1 is already in cache
[INFO] testing copy_arena-0.1.1 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate copy_arena 0.1.1 into work/builds/worker-5/source
[INFO] validating manifest of crates.io crate copy_arena 0.1.1 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate copy_arena 0.1.1
[INFO] finished tweaking crates.io crate copy_arena 0.1.1
[INFO] tweaked toml for crates.io crate copy_arena 0.1.1 written to work/builds/worker-5/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] daed153b6f6f69a32c1e92c09bbe19c767d485a4bbc0b5205eaf6f69ddeb579b
[INFO] running `"docker" "start" "-a" "daed153b6f6f69a32c1e92c09bbe19c767d485a4bbc0b5205eaf6f69ddeb579b"`
[INFO] [stderr]    Compiling copy_arena v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::mem::min_align_of': use `align_of` instead
[INFO] [stderr]    --> src/lib.rs:180:58
[INFO] [stderr]     |
[INFO] [stderr] 180 |         let memory = self.alloc_raw(mem::size_of::<T>(), mem::min_align_of::<T>());
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::min_align_of': use `align_of` instead
[INFO] [stderr]    --> src/lib.rs:196:49
[INFO] [stderr]     |
[INFO] [stderr] 196 |         let memory = self.alloc_raw(byte_count, mem::min_align_of::<T>());
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:203:13
[INFO] [stderr]     |
[INFO] [stderr] 203 |         let mut slice = self.alloc_slice_raw(elems.len());
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:215:13
[INFO] [stderr]     |
[INFO] [stderr] 215 |         let mut slice = self.alloc_slice_raw(len);
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `"docker" "inspect" "daed153b6f6f69a32c1e92c09bbe19c767d485a4bbc0b5205eaf6f69ddeb579b"`
[INFO] running `"docker" "rm" "-f" "daed153b6f6f69a32c1e92c09bbe19c767d485a4bbc0b5205eaf6f69ddeb579b"`
[INFO] [stdout] daed153b6f6f69a32c1e92c09bbe19c767d485a4bbc0b5205eaf6f69ddeb579b
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 887acbd4a5bc88e098248b7eb8bad83a1a0652d992490c8d7b4a02825046af23
[INFO] running `"docker" "start" "-a" "887acbd4a5bc88e098248b7eb8bad83a1a0652d992490c8d7b4a02825046af23"`
[INFO] [stderr]    Compiling copy_arena v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::mem::min_align_of': use `align_of` instead
[INFO] [stderr]    --> src/lib.rs:180:58
[INFO] [stderr]     |
[INFO] [stderr] 180 |         let memory = self.alloc_raw(mem::size_of::<T>(), mem::min_align_of::<T>());
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::min_align_of': use `align_of` instead
[INFO] [stderr]    --> src/lib.rs:196:49
[INFO] [stderr]     |
[INFO] [stderr] 196 |         let memory = self.alloc_raw(byte_count, mem::min_align_of::<T>());
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:203:13
[INFO] [stderr]     |
[INFO] [stderr] 203 |         let mut slice = self.alloc_slice_raw(elems.len());
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:215:13
[INFO] [stderr]     |
[INFO] [stderr] 215 |         let mut slice = self.alloc_slice_raw(len);
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "887acbd4a5bc88e098248b7eb8bad83a1a0652d992490c8d7b4a02825046af23"`
[INFO] running `"docker" "rm" "-f" "887acbd4a5bc88e098248b7eb8bad83a1a0652d992490c8d7b4a02825046af23"`
[INFO] [stdout] 887acbd4a5bc88e098248b7eb8bad83a1a0652d992490c8d7b4a02825046af23
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 73e4117508e92287397eb41b1d7645dcffe264c6e93975fff34235f37dddc362
[INFO] running `"docker" "start" "-a" "73e4117508e92287397eb41b1d7645dcffe264c6e93975fff34235f37dddc362"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/copy_arena-4482a1fcc7cb4a84
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test barely_too_little_capacity ... ok
[INFO] [stdout] test construct_slices ... ok
[INFO] [stdout] test just_enough_capacity ... ok
[INFO] [stdout] test construct_simple ... ok
[INFO] [stdout] test many_u8s ... ok
[INFO] [stdout] test zero_capacity ... ok
[INFO] [stdout] test surprisingly_large ... ok
[INFO] [stdout] test zero_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests copy_arena
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 30) ... ok
[INFO] [stdout] test src/lib.rs -  (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "73e4117508e92287397eb41b1d7645dcffe264c6e93975fff34235f37dddc362"`
[INFO] running `"docker" "rm" "-f" "73e4117508e92287397eb41b1d7645dcffe264c6e93975fff34235f37dddc362"`
[INFO] [stdout] 73e4117508e92287397eb41b1d7645dcffe264c6e93975fff34235f37dddc362