[INFO] fetching crate ruspiro-allocator 0.4.6...
[INFO] building ruspiro-allocator-0.4.6 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate ruspiro-allocator 0.4.6 into /workspace/builds/worker-0-tc1/source
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate ruspiro-allocator 0.4.6
[INFO] finished tweaking crates.io crate ruspiro-allocator 0.4.6
[INFO] tweaked toml for crates.io crate ruspiro-allocator 0.4.6 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ruspiro-allocator 0.4.6 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rlibc v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9697b3a15d5fee2a761d1e4da56c2aa26a36de903408c95608cd493a08bb1cb3
[INFO] running `Command { std: "docker" "start" "-a" "9697b3a15d5fee2a761d1e4da56c2aa26a36de903408c95608cd493a08bb1cb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9697b3a15d5fee2a761d1e4da56c2aa26a36de903408c95608cd493a08bb1cb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9697b3a15d5fee2a761d1e4da56c2aa26a36de903408c95608cd493a08bb1cb3", kill_on_drop: false }`
[INFO] [stdout] 9697b3a15d5fee2a761d1e4da56c2aa26a36de903408c95608cd493a08bb1cb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 302d8f5271a2f90a7532b238a05de0b2be32094ac1e068817c4387016d0082c5
[INFO] running `Command { std: "docker" "start" "-a" "302d8f5271a2f90a7532b238a05de0b2be32094ac1e068817c4387016d0082c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling ruspiro-allocator v0.4.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rlibc v1.0.0
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/memory.rs:305:7
[INFO] [stdout]     |
[INFO] [stdout] 305 |   let mut descriptor = unsafe { &mut *(descriptor_addr as *mut MemoryDescriptor) };
[INFO] [stdout]     |       ----^^^^^^^^^^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "302d8f5271a2f90a7532b238a05de0b2be32094ac1e068817c4387016d0082c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "302d8f5271a2f90a7532b238a05de0b2be32094ac1e068817c4387016d0082c5", kill_on_drop: false }`
[INFO] [stdout] 302d8f5271a2f90a7532b238a05de0b2be32094ac1e068817c4387016d0082c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9c4fde0e0ea27476ea54e39c8077c5f0a8196a31f526a4b8613193aa36dc2dd
[INFO] running `Command { std: "docker" "start" "-a" "d9c4fde0e0ea27476ea54e39c8077c5f0a8196a31f526a4b8613193aa36dc2dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling ruspiro-allocator v0.4.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/memory.rs:305:7
[INFO] [stdout]     |
[INFO] [stdout] 305 |   let mut descriptor = unsafe { &mut *(descriptor_addr as *mut MemoryDescriptor) };
[INFO] [stdout]     |       ----^^^^^^^^^^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/memory.rs:305:7
[INFO] [stdout]     |
[INFO] [stdout] 305 |   let mut descriptor = unsafe { &mut *(descriptor_addr as *mut MemoryDescriptor) };
[INFO] [stdout]     |       ----^^^^^^^^^^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `ALLOCATOR` is never used
[INFO] [stdout]   --> src/lib.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | static ALLOCATOR: RusPiRoAllocator = RusPiRoAllocator;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RusPiRoAllocator` is never constructed
[INFO] [stdout]   --> src/lib.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | struct RusPiRoAllocator;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `memset` is never used
[INFO] [stdout]   --> src/lib.rs:86:6
[INFO] [stdout]    |
[INFO] [stdout] 86 |   fn memset(ptr: *mut u8, value: i32, size: usize) -> *mut u8;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BucketQueue` is never constructed
[INFO] [stdout]   --> src/memory.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 | struct BucketQueue {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `FREE_BUCKETS` is never used
[INFO] [stdout]    --> src/memory.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 | static FREE_BUCKETS: [BucketQueue; BUCKET_SIZES.len() + 1] = [
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `alloc` is never used
[INFO] [stdout]    --> src/memory.rs:184:15
[INFO] [stdout]     |
[INFO] [stdout] 184 | pub(crate) fn alloc(req_size: usize, alignment: usize) -> *mut u8 {
[INFO] [stdout]     |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `free` is never used
[INFO] [stdout]    --> src/memory.rs:301:15
[INFO] [stdout]     |
[INFO] [stdout] 301 | pub(crate) fn free(address: *mut u8) {
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `push_to_free_bucket` is never used
[INFO] [stdout]    --> src/memory.rs:332:4
[INFO] [stdout]     |
[INFO] [stdout] 332 | fn push_to_free_bucket(descriptor: &mut MemoryDescriptor) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pop_from_free_bucket` is never used
[INFO] [stdout]    --> src/memory.rs:374:4
[INFO] [stdout]     |
[INFO] [stdout] 374 | fn pop_from_free_bucket(bucket: usize, _alloc_size: usize) -> Option<usize> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "d9c4fde0e0ea27476ea54e39c8077c5f0a8196a31f526a4b8613193aa36dc2dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9c4fde0e0ea27476ea54e39c8077c5f0a8196a31f526a4b8613193aa36dc2dd", kill_on_drop: false }`
[INFO] [stdout] d9c4fde0e0ea27476ea54e39c8077c5f0a8196a31f526a4b8613193aa36dc2dd