[INFO] cloning repository https://github.com/azaleacolburn/yerba
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/azaleacolburn/yerba" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazaleacolburn%2Fyerba", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazaleacolburn%2Fyerba'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7f46f3a6628a97cb02ea4374aae7bb7246c77ba
[INFO] checking azaleacolburn/yerba against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazaleacolburn%2Fyerba" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/azaleacolburn/yerba
[INFO] finished tweaking git repo https://github.com/azaleacolburn/yerba
[INFO] tweaked toml for git repo https://github.com/azaleacolburn/yerba written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/azaleacolburn/yerba 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/azaleacolburn/yerba 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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 75a0c6c11a1e549a1308c20445fe8a68c3605df87019240a6e18a302c8e1addc
[INFO] running `Command { std: "docker" "start" "-a" "75a0c6c11a1e549a1308c20445fe8a68c3605df87019240a6e18a302c8e1addc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75a0c6c11a1e549a1308c20445fe8a68c3605df87019240a6e18a302c8e1addc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75a0c6c11a1e549a1308c20445fe8a68c3605df87019240a6e18a302c8e1addc", kill_on_drop: false }`
[INFO] [stdout] 75a0c6c11a1e549a1308c20445fe8a68c3605df87019240a6e18a302c8e1addc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9103b613ccdd5b9698b9c71467df99dc08e21a2b7d93e8a9d534825df3479a33
[INFO] running `Command { std: "docker" "start" "-a" "9103b613ccdd5b9698b9c71467df99dc08e21a2b7d93e8a9d534825df3479a33", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.20
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking clap_lex v0.7.6
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking rayon-core v1.13.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]     Checking criterion-plot v0.6.0
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking clap_builder v4.5.50
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking clap v4.5.50
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking criterion v0.7.0
[INFO] [stderr]     Checking yerba 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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(allocator_api)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(allocator_api)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]   --> src/gc.rs:23:33
[INFO] [stdout]    |
[INFO] [stdout] 23 |     unsafe fn deallocate(&self, ptr: NonNull<u8>, layout: std::alloc::Layout) {
[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: `layout`
[INFO] [stdout]   --> src/gc.rs:23:51
[INFO] [stdout]    |
[INFO] [stdout] 23 |     unsafe fn deallocate(&self, ptr: NonNull<u8>, layout: std::alloc::Layout) {
[INFO] [stdout]    |                                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `allocator`
[INFO] [stdout]   --> src/gc.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let allocator = &self.allocator;
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_allocator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yerba` (lib) due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]   --> src/gc.rs:23:33
[INFO] [stdout]    |
[INFO] [stdout] 23 |     unsafe fn deallocate(&self, ptr: NonNull<u8>, layout: std::alloc::Layout) {
[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: `layout`
[INFO] [stdout]   --> src/gc.rs:23:51
[INFO] [stdout]    |
[INFO] [stdout] 23 |     unsafe fn deallocate(&self, ptr: NonNull<u8>, layout: std::alloc::Layout) {
[INFO] [stdout]    |                                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `allocator`
[INFO] [stdout]   --> src/gc.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let allocator = &self.allocator;
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_allocator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yerba` (lib test) due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "9103b613ccdd5b9698b9c71467df99dc08e21a2b7d93e8a9d534825df3479a33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9103b613ccdd5b9698b9c71467df99dc08e21a2b7d93e8a9d534825df3479a33", kill_on_drop: false }`
[INFO] [stdout] 9103b613ccdd5b9698b9c71467df99dc08e21a2b7d93e8a9d534825df3479a33
