[INFO] cloning repository https://github.com/rysndavjd/simple_alloc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rysndavjd/simple_alloc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frysndavjd%2Fsimple_alloc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frysndavjd%2Fsimple_alloc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da937a6be9108662e4e31ba3638b6746e0ed3c8e
[INFO] checking rysndavjd/simple_alloc against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frysndavjd%2Fsimple_alloc" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rysndavjd/simple_alloc
[INFO] finished tweaking git repo https://github.com/rysndavjd/simple_alloc
[INFO] tweaked toml for git repo https://github.com/rysndavjd/simple_alloc written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rysndavjd/simple_alloc on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rysndavjd/simple_alloc 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a616ff9eaea036aa27150bfd0a700ea81208cbfd908705eb6e783336e9e35bb8
[INFO] running `Command { std: "docker" "start" "-a" "a616ff9eaea036aa27150bfd0a700ea81208cbfd908705eb6e783336e9e35bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a616ff9eaea036aa27150bfd0a700ea81208cbfd908705eb6e783336e9e35bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a616ff9eaea036aa27150bfd0a700ea81208cbfd908705eb6e783336e9e35bb8", kill_on_drop: false }`
[INFO] [stdout] a616ff9eaea036aa27150bfd0a700ea81208cbfd908705eb6e783336e9e35bb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0eac716d2e6137773c05013045e5fef67756e743cc41cd4d41e429278797fb8f
[INFO] running `Command { std: "docker" "start" "-a" "0eac716d2e6137773c05013045e5fef67756e743cc41cd4d41e429278797fb8f", kill_on_drop: false }`
[INFO] [stderr]     Checking spin v0.10.0
[INFO] [stderr]     Checking simple_alloc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:40
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "allocator-api", feature(allocator_api))]
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]    --> src/ralloc/buddy.rs:232:31
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn deallocate_page(&self, ptr: NonNull<u8>, nr_pages: usize) {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nr_pages`
[INFO] [stdout]    --> src/ralloc/buddy.rs:232:49
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn deallocate_page(&self, ptr: NonNull<u8>, nr_pages: usize) {
[INFO] [stdout]     |                                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nr_pages`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]   --> src/ralloc.rs:87:24
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn allocate(&self, layout: Layout) -> Result<NonNull<[u8]>, AllocatorError> {
[INFO] [stdout]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]   --> src/ralloc.rs:91:33
[INFO] [stdout]    |
[INFO] [stdout] 91 |     unsafe fn deallocate(&self, ptr: NonNull<u8>, layout: Layout) {
[INFO] [stdout]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]   --> src/ralloc.rs:91:51
[INFO] [stdout]    |
[INFO] [stdout] 91 |     unsafe fn deallocate(&self, ptr: NonNull<u8>, layout: Layout) {
[INFO] [stdout]    |                                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple_alloc` (lib) due to 1 previous error; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:40
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "allocator-api", feature(allocator_api))]
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]    --> src/ralloc/buddy.rs:232:31
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn deallocate_page(&self, ptr: NonNull<u8>, nr_pages: usize) {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nr_pages`
[INFO] [stdout]    --> src/ralloc/buddy.rs:232:49
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn deallocate_page(&self, ptr: NonNull<u8>, nr_pages: usize) {
[INFO] [stdout]     |                                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nr_pages`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]   --> src/ralloc.rs:87:24
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn allocate(&self, layout: Layout) -> Result<NonNull<[u8]>, AllocatorError> {
[INFO] [stdout]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]   --> src/ralloc.rs:91:33
[INFO] [stdout]    |
[INFO] [stdout] 91 |     unsafe fn deallocate(&self, ptr: NonNull<u8>, layout: Layout) {
[INFO] [stdout]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]   --> src/ralloc.rs:91:51
[INFO] [stdout]    |
[INFO] [stdout] 91 |     unsafe fn deallocate(&self, ptr: NonNull<u8>, layout: Layout) {
[INFO] [stdout]    |                                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple_alloc` (lib test) due to 1 previous error; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0eac716d2e6137773c05013045e5fef67756e743cc41cd4d41e429278797fb8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eac716d2e6137773c05013045e5fef67756e743cc41cd4d41e429278797fb8f", kill_on_drop: false }`
[INFO] [stdout] 0eac716d2e6137773c05013045e5fef67756e743cc41cd4d41e429278797fb8f
