[INFO] fetching crate const-arrayvec 0.2.1...
[INFO] checking const-arrayvec-0.2.1 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate const-arrayvec 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate const-arrayvec 0.2.1 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate const-arrayvec 0.2.1
[INFO] finished tweaking crates.io crate const-arrayvec 0.2.1
[INFO] tweaked toml for crates.io crate const-arrayvec 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14fb37da5da935e2845d12dd05893087380d9ce0a0ee59699f65d1e4ab317dfb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "14fb37da5da935e2845d12dd05893087380d9ce0a0ee59699f65d1e4ab317dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14fb37da5da935e2845d12dd05893087380d9ce0a0ee59699f65d1e4ab317dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14fb37da5da935e2845d12dd05893087380d9ce0a0ee59699f65d1e4ab317dfb", kill_on_drop: false }`
[INFO] [stdout] 14fb37da5da935e2845d12dd05893087380d9ce0a0ee59699f65d1e4ab317dfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e64ea51f04634a08651c9e8972562d46bf14f15b40329a7fba33bea94a7abbf7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e64ea51f04634a08651c9e8972562d46bf14f15b40329a7fba33bea94a7abbf7", kill_on_drop: false }`
[INFO] [stderr]     Checking const-arrayvec v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: casting pointer to `isize`
[INFO] [stdout]    --> src/drain.rs:111:26
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let difference = (self.tail as isize) - (self.head as isize);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^ help: to cast to `isize`, cast to `usize` first: `self.tail as usize as isize`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(invalid_ptr_to_int_cast)]` on by default
[INFO] [stdout]     = help: pointers should only be cast to `usize` or `u64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: casting pointer to `isize`
[INFO] [stdout]    --> src/drain.rs:111:49
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let difference = (self.tail as isize) - (self.head as isize);
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^ help: to cast to `isize`, cast to `usize` first: `self.head as usize as isize`
[INFO] [stdout]     |
[INFO] [stdout]     = help: pointers should only be cast to `usize` or `u64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `const-arrayvec`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: casting pointer to `isize`
[INFO] [stdout]    --> src/drain.rs:111:26
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let difference = (self.tail as isize) - (self.head as isize);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^ help: to cast to `isize`, cast to `usize` first: `self.tail as usize as isize`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(invalid_ptr_to_int_cast)]` on by default
[INFO] [stdout]     = help: pointers should only be cast to `usize` or `u64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: casting pointer to `isize`
[INFO] [stdout]    --> src/drain.rs:111:49
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let difference = (self.tail as isize) - (self.head as isize);
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^ help: to cast to `isize`, cast to `usize` first: `self.head as usize as isize`
[INFO] [stdout]     |
[INFO] [stdout]     = help: pointers should only be cast to `usize` or `u64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e64ea51f04634a08651c9e8972562d46bf14f15b40329a7fba33bea94a7abbf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e64ea51f04634a08651c9e8972562d46bf14f15b40329a7fba33bea94a7abbf7", kill_on_drop: false }`
[INFO] [stdout] e64ea51f04634a08651c9e8972562d46bf14f15b40329a7fba33bea94a7abbf7