Nov 18 17:06:42.083 INFO testing copy_arena-0.1.1 against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 18 17:06:42.083 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 18 17:06:42.523 INFO [stdout] fd07d7804d908395a4d3d4a9d2fb58ad1323a1d8fe04a58b4952b6daf9294b48
Nov 18 17:06:42.526 INFO running `"docker" "start" "-a" "fd07d7804d908395a4d3d4a9d2fb58ad1323a1d8fe04a58b4952b6daf9294b48"`
Nov 18 17:06:44.675 INFO [stderr] usermod: no changes
Nov 18 17:06:44.772 INFO [stderr]    Compiling copy_arena v0.1.1 (/source)
Nov 18 17:06:45.384 INFO [stderr] warning: use of deprecated item 'std::mem::min_align_of': use `align_of` instead
Nov 18 17:06:45.384 INFO [stderr]    --> src/lib.rs:180:58
Nov 18 17:06:45.384 INFO [stderr]     |
Nov 18 17:06:45.384 INFO [stderr] 180 |         let memory = self.alloc_raw(mem::size_of::<T>(), mem::min_align_of::<T>());
Nov 18 17:06:45.384 INFO [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^
Nov 18 17:06:45.384 INFO [stderr]     |
Nov 18 17:06:45.384 INFO [stderr]     = note: #[warn(deprecated)] on by default
Nov 18 17:06:45.384 INFO [stderr] 
Nov 18 17:06:45.384 INFO [stderr] warning: use of deprecated item 'std::mem::min_align_of': use `align_of` instead
Nov 18 17:06:45.384 INFO [stderr]    --> src/lib.rs:196:49
Nov 18 17:06:45.384 INFO [stderr]     |
Nov 18 17:06:45.384 INFO [stderr] 196 |         let memory = self.alloc_raw(byte_count, mem::min_align_of::<T>());
Nov 18 17:06:45.384 INFO [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^
Nov 18 17:06:45.384 INFO [stderr] 
Nov 18 17:06:45.477 INFO [stderr] warning: variable does not need to be mutable
Nov 18 17:06:45.477 INFO [stderr]    --> src/lib.rs:203:13
Nov 18 17:06:45.477 INFO [stderr]     |
Nov 18 17:06:45.477 INFO [stderr] 203 |         let mut slice = self.alloc_slice_raw(elems.len());
Nov 18 17:06:45.477 INFO [stderr]     |             ----^^^^^
Nov 18 17:06:45.477 INFO [stderr]     |             |
Nov 18 17:06:45.477 INFO [stderr]     |             help: remove this `mut`
Nov 18 17:06:45.477 INFO [stderr]     |
Nov 18 17:06:45.477 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 18 17:06:45.477 INFO [stderr] 
Nov 18 17:06:45.477 INFO [stderr] warning: variable does not need to be mutable
Nov 18 17:06:45.477 INFO [stderr]    --> src/lib.rs:215:13
Nov 18 17:06:45.477 INFO [stderr]     |
Nov 18 17:06:45.477 INFO [stderr] 215 |         let mut slice = self.alloc_slice_raw(len);
Nov 18 17:06:45.477 INFO [stderr]     |             ----^^^^^
Nov 18 17:06:45.477 INFO [stderr]     |             |
Nov 18 17:06:45.477 INFO [stderr]     |             help: remove this `mut`
Nov 18 17:06:45.477 INFO [stderr] 
Nov 18 17:06:45.743 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
Nov 18 17:06:45.745 INFO [stderr] su: No module specific data is present
Nov 18 17:06:46.338 INFO running `"docker" "inspect" "fd07d7804d908395a4d3d4a9d2fb58ad1323a1d8fe04a58b4952b6daf9294b48"`
Nov 18 17:06:46.647 INFO running `"docker" "rm" "-f" "fd07d7804d908395a4d3d4a9d2fb58ad1323a1d8fe04a58b4952b6daf9294b48"`
Nov 18 17:06:46.910 INFO [stdout] fd07d7804d908395a4d3d4a9d2fb58ad1323a1d8fe04a58b4952b6daf9294b48
Nov 18 17:06:46.952 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 18 17:06:47.331 INFO [stdout] 3f96aa59ed6b77641a15bbce793dfc5a3b03ab5b66e355e6cc1cc4804f424d51
Nov 18 17:06:47.338 INFO running `"docker" "start" "-a" "3f96aa59ed6b77641a15bbce793dfc5a3b03ab5b66e355e6cc1cc4804f424d51"`
Nov 18 17:06:48.283 INFO [stderr] usermod: no changes
Nov 18 17:06:48.335 INFO [stderr]    Compiling copy_arena v0.1.1 (/source)
Nov 18 17:06:48.946 INFO [stderr] warning: use of deprecated item 'std::mem::min_align_of': use `align_of` instead
Nov 18 17:06:48.946 INFO [stderr]    --> src/lib.rs:180:58
Nov 18 17:06:48.946 INFO [stderr]     |
Nov 18 17:06:48.946 INFO [stderr] 180 |         let memory = self.alloc_raw(mem::size_of::<T>(), mem::min_align_of::<T>());
Nov 18 17:06:48.946 INFO [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^
Nov 18 17:06:48.946 INFO [stderr]     |
Nov 18 17:06:48.946 INFO [stderr]     = note: #[warn(deprecated)] on by default
Nov 18 17:06:48.946 INFO [stderr] 
Nov 18 17:06:48.946 INFO [stderr] warning: use of deprecated item 'std::mem::min_align_of': use `align_of` instead
Nov 18 17:06:48.946 INFO [stderr]    --> src/lib.rs:196:49
Nov 18 17:06:48.946 INFO [stderr]     |
Nov 18 17:06:48.946 INFO [stderr] 196 |         let memory = self.alloc_raw(byte_count, mem::min_align_of::<T>());
Nov 18 17:06:48.946 INFO [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^
Nov 18 17:06:48.946 INFO [stderr] 
Nov 18 17:06:49.091 INFO [stderr] warning: variable does not need to be mutable
Nov 18 17:06:49.091 INFO [stderr]    --> src/lib.rs:203:13
Nov 18 17:06:49.092 INFO [stderr]     |
Nov 18 17:06:49.092 INFO [stderr] 203 |         let mut slice = self.alloc_slice_raw(elems.len());
Nov 18 17:06:49.092 INFO [stderr]     |             ----^^^^^
Nov 18 17:06:49.092 INFO [stderr]     |             |
Nov 18 17:06:49.093 INFO [stderr]     |             help: remove this `mut`
Nov 18 17:06:49.093 INFO [stderr]     |
Nov 18 17:06:49.093 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 18 17:06:49.094 INFO [stderr] 
Nov 18 17:06:49.094 INFO [stderr] warning: variable does not need to be mutable
Nov 18 17:06:49.094 INFO [stderr]    --> src/lib.rs:215:13
Nov 18 17:06:49.094 INFO [stderr]     |
Nov 18 17:06:49.095 INFO [stderr] 215 |         let mut slice = self.alloc_slice_raw(len);
Nov 18 17:06:49.095 INFO [stderr]     |             ----^^^^^
Nov 18 17:06:49.095 INFO [stderr]     |             |
Nov 18 17:06:49.095 INFO [stderr]     |             help: remove this `mut`
Nov 18 17:06:49.096 INFO [stderr] 
Nov 18 17:06:49.665 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
Nov 18 17:06:49.669 INFO [stderr] su: No module specific data is present
Nov 18 17:06:50.268 INFO running `"docker" "inspect" "3f96aa59ed6b77641a15bbce793dfc5a3b03ab5b66e355e6cc1cc4804f424d51"`
Nov 18 17:06:50.510 INFO running `"docker" "rm" "-f" "3f96aa59ed6b77641a15bbce793dfc5a3b03ab5b66e355e6cc1cc4804f424d51"`
Nov 18 17:06:50.707 INFO [stdout] 3f96aa59ed6b77641a15bbce793dfc5a3b03ab5b66e355e6cc1cc4804f424d51
Nov 18 17:06:50.713 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 18 17:06:50.981 INFO [stdout] 8eacd27f5a0dfbb4e694ea6a186fcbf824067b78e9391b5a2e2d6cfd989c370c
Nov 18 17:06:50.989 INFO running `"docker" "start" "-a" "8eacd27f5a0dfbb4e694ea6a186fcbf824067b78e9391b5a2e2d6cfd989c370c"`
Nov 18 17:06:51.827 INFO [stderr] usermod: no changes
Nov 18 17:06:51.907 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Nov 18 17:06:51.907 INFO [stdout] 
Nov 18 17:06:51.907 INFO [stderr]      Running /target/debug/deps/copy_arena-5be15f4eaf74e95b
Nov 18 17:06:51.907 INFO [stdout] running 8 tests
Nov 18 17:06:51.911 INFO [stdout] test barely_too_little_capacity ... ok
Nov 18 17:06:51.911 INFO [stdout] test construct_slices ... ok
Nov 18 17:06:51.911 INFO [stdout] test just_enough_capacity ... ok
Nov 18 17:06:51.911 INFO [stdout] test construct_simple ... ok
Nov 18 17:06:51.911 INFO [stdout] test many_u8s ... ok
Nov 18 17:06:51.911 INFO [stdout] test zero_size ... ok
Nov 18 17:06:51.915 INFO [stdout] test zero_capacity ... ok
Nov 18 17:06:51.915 INFO [stdout] test surprisingly_large ... ok
Nov 18 17:06:51.915 INFO [stdout] 
Nov 18 17:06:51.915 INFO [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 17:06:51.915 INFO [stdout] 
Nov 18 17:06:51.915 INFO [stderr]    Doc-tests copy_arena
Nov 18 17:06:52.693 INFO [stdout] 
Nov 18 17:06:52.693 INFO [stdout] running 2 tests
Nov 18 17:06:53.974 INFO [stdout] test src/lib.rs -  (line 14) ... ok
Nov 18 17:06:54.086 INFO [stdout] test src/lib.rs -  (line 30) ... ok
Nov 18 17:06:54.087 INFO [stdout] 
Nov 18 17:06:54.087 INFO [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 17:06:54.087 INFO [stdout] 
Nov 18 17:06:54.105 INFO [stderr] su: No module specific data is present
Nov 18 17:06:54.609 INFO running `"docker" "inspect" "8eacd27f5a0dfbb4e694ea6a186fcbf824067b78e9391b5a2e2d6cfd989c370c"`
Nov 18 17:06:54.790 INFO running `"docker" "rm" "-f" "8eacd27f5a0dfbb4e694ea6a186fcbf824067b78e9391b5a2e2d6cfd989c370c"`
Nov 18 17:06:55.016 INFO [stdout] 8eacd27f5a0dfbb4e694ea6a186fcbf824067b78e9391b5a2e2d6cfd989c370c