[INFO] cloning repository https://github.com/isomorphiccat/buddy-allocator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/isomorphiccat/buddy-allocator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisomorphiccat%2Fbuddy-allocator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisomorphiccat%2Fbuddy-allocator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 90d8a818c53224743d3166ec9e3dd4b31ea4ed65
[INFO] checking isomorphiccat/buddy-allocator against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisomorphiccat%2Fbuddy-allocator" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/isomorphiccat/buddy-allocator
[INFO] finished tweaking git repo https://github.com/isomorphiccat/buddy-allocator
[INFO] tweaked toml for git repo https://github.com/isomorphiccat/buddy-allocator written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/isomorphiccat/buddy-allocator on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/isomorphiccat/buddy-allocator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 014574b5f83bb280e59702ea04d3d546bc25570cdf5dc5d27d9209cadd8a2874
[INFO] running `Command { std: "docker" "start" "-a" "014574b5f83bb280e59702ea04d3d546bc25570cdf5dc5d27d9209cadd8a2874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "014574b5f83bb280e59702ea04d3d546bc25570cdf5dc5d27d9209cadd8a2874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "014574b5f83bb280e59702ea04d3d546bc25570cdf5dc5d27d9209cadd8a2874", kill_on_drop: false }`
[INFO] [stdout] 014574b5f83bb280e59702ea04d3d546bc25570cdf5dc5d27d9209cadd8a2874
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c45a0c2a187607a8af599804b3b9e9815d5f5d04f7051bfa6f47f413bdc582fe
[INFO] running `Command { std: "docker" "start" "-a" "c45a0c2a187607a8af599804b3b9e9815d5f5d04f7051bfa6f47f413bdc582fe", kill_on_drop: false }`
[INFO] [stderr]     Checking bump-alloc-arena v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the `#![feature]` attribute can only be used at the crate root
[INFO] [stdout]  --> src/arena.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(allocator_api)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `#![feature]` attribute can only be used at the crate root
[INFO] [stdout]  --> src/arena.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(allocator_api)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: dereference of raw pointer is unsafe and requires unsafe block
[INFO] [stdout]    --> src/arena.rs:129:36
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 let is_used = &mut *self.is_used.get();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^ dereference of raw pointer
[INFO] [stdout]     |
[INFO] [stdout]     = note: raw pointers may be null, dangling or unaligned; they can violate aliasing rules and cause data races: all of these are undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]    --> src/arena.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     unsafe fn deallocate(&self, ptr: NonNull<u8>, _layout: Layout) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout]     = note: `#[warn(unsafe_op_in_unsafe_fn)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `portable_simd` is declared but not used
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(portable_simd)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: dereference of raw pointer is unsafe and requires unsafe block
[INFO] [stdout]    --> src/arena.rs:129:36
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 let is_used = &mut *self.is_used.get();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^ dereference of raw pointer
[INFO] [stdout]     |
[INFO] [stdout]     = note: raw pointers may be null, dangling or unaligned; they can violate aliasing rules and cause data races: all of these are undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]    --> src/arena.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     unsafe fn deallocate(&self, ptr: NonNull<u8>, _layout: Layout) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout]     = note: `#[warn(unsafe_op_in_unsafe_fn)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `portable_simd` is declared but not used
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(portable_simd)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "c45a0c2a187607a8af599804b3b9e9815d5f5d04f7051bfa6f47f413bdc582fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c45a0c2a187607a8af599804b3b9e9815d5f5d04f7051bfa6f47f413bdc582fe", kill_on_drop: false }`
[INFO] [stdout] c45a0c2a187607a8af599804b3b9e9815d5f5d04f7051bfa6f47f413bdc582fe
