[INFO] crate copy_arena 0.1.1 is already in cache
[INFO] checking copy_arena-0.1.1 against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037
[INFO] extracting crate copy_arena 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate copy_arena 0.1.1 on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "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 /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2ac0f6a2f8c0d31c5ec199f960ed3aa29d2e56bc525b89ccc53219de354bb93f
[INFO] running `"docker" "start" "-a" "2ac0f6a2f8c0d31c5ec199f960ed3aa29d2e56bc525b89ccc53219de354bb93f"`
[INFO] [stderr]     Checking 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: 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] 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 0.35s
[INFO] running `"docker" "inspect" "2ac0f6a2f8c0d31c5ec199f960ed3aa29d2e56bc525b89ccc53219de354bb93f"`
[INFO] running `"docker" "rm" "-f" "2ac0f6a2f8c0d31c5ec199f960ed3aa29d2e56bc525b89ccc53219de354bb93f"`
[INFO] [stdout] 2ac0f6a2f8c0d31c5ec199f960ed3aa29d2e56bc525b89ccc53219de354bb93f