[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 try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazaleacolburn%2Fyerba" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/azaleacolburn/yerba on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a15afd8a28187822a681d2dcb0e7dfada48442fdb693f795e5fc9422d8a21f23
[INFO] running `Command { std: "docker" "start" "-a" "a15afd8a28187822a681d2dcb0e7dfada48442fdb693f795e5fc9422d8a21f23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a15afd8a28187822a681d2dcb0e7dfada48442fdb693f795e5fc9422d8a21f23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a15afd8a28187822a681d2dcb0e7dfada48442fdb693f795e5fc9422d8a21f23", kill_on_drop: false }`
[INFO] [stdout] a15afd8a28187822a681d2dcb0e7dfada48442fdb693f795e5fc9422d8a21f23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72e25ccfcd98457bb4d1f857ed0e034f313cb3a256ad24852dd00fc6d0dae1ab
[INFO] running `Command { std: "docker" "start" "-a" "72e25ccfcd98457bb4d1f857ed0e034f313cb3a256ad24852dd00fc6d0dae1ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.20
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]     Checking anstyle v1.0.13
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking clap_lex v0.7.6
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]     Checking clap_builder v4.5.50
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking criterion-plot v0.6.0
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking clap v4.5.50
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking half v2.7.1
[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] 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] warning: struct `FallbackAllocator` is never constructed
[INFO] [stdout]   --> src/fallback_allocator.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct FallbackAllocator<A, F>
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/fallback_allocator.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | / impl<A, F> FallbackAllocator<A, F>
[INFO] [stdout] 20 | | where
[INFO] [stdout] 21 | |     A: Allocator + Default,
[INFO] [stdout] 22 | |     F: Allocator + Default,
[INFO] [stdout]    | |___________________________- associated function in this implementation
[INFO] [stdout] 23 |   {
[INFO] [stdout] 24 |       fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `GCAllocator` is never constructed
[INFO] [stdout]  --> src/gc.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct GCAllocator<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_next_none` is never used
[INFO] [stdout]    --> src/linked_header.rs:197:14
[INFO] [stdout]     |
[INFO] [stdout] 185 | impl LinkedHeader {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 197 |     const fn set_next_none(&mut self) {
[INFO] [stdout]     |              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `extend` is never read
[INFO] [stdout]   --> src/list_allocator.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub struct ListAllocator<'a, A = ArrayPageAllocator<'a>, H = ContiguousHeader>
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 68 |     extend: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `number_of_blocks` is never used
[INFO] [stdout]    --> src/list_allocator.rs:273:8
[INFO] [stdout]     |
[INFO] [stdout]  72 | impl<A: PageAllocator, H: InlineHeader> ListAllocator<'_, A, H> {
[INFO] [stdout]     | --------------------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 273 |     fn number_of_blocks(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `last_addr` is never used
[INFO] [stdout]   --> src/mapped_allocator.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl MappedHeader {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] 17 |     const fn last_addr(&self) -> NonNull<u8> {
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yerba` (lib) due to 1 previous error; 9 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] error: struct `GCAllocator` is never constructed
[INFO] [stdout]  --> src/gc.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct GCAllocator<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_next_none` is never used
[INFO] [stdout]    --> src/linked_header.rs:197:14
[INFO] [stdout]     |
[INFO] [stdout] 185 | impl LinkedHeader {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 197 |     const fn set_next_none(&mut self) {
[INFO] [stdout]     |              ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `extend` is never read
[INFO] [stdout]   --> src/list_allocator.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub struct ListAllocator<'a, A = ArrayPageAllocator<'a>, H = ContiguousHeader>
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 68 |     extend: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `number_of_blocks` is never used
[INFO] [stdout]    --> src/list_allocator.rs:273:8
[INFO] [stdout]     |
[INFO] [stdout]  72 | impl<A: PageAllocator, H: InlineHeader> ListAllocator<'_, A, H> {
[INFO] [stdout]     | --------------------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 273 |     fn number_of_blocks(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `last_addr` is never used
[INFO] [stdout]   --> src/mapped_allocator.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl MappedHeader {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] 17 |     const fn last_addr(&self) -> NonNull<u8> {
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/contiguous_header.rs:278:13
[INFO] [stdout]     |
[INFO] [stdout] 278 |             allocator.grow(two, layout, new_layout);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 278 |             let _ = allocator.grow(two, layout, new_layout);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/fallback_allocator.rs:149:13
[INFO] [stdout]     |
[INFO] [stdout] 149 |             allocator.grow(two, layout, second_layout);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 149 |             let _ = allocator.grow(two, layout, second_layout);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/linked_header.rs:280:13
[INFO] [stdout]     |
[INFO] [stdout] 280 |             allocator.grow(two, layout, new_layout);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 280 |             let _ = allocator.grow(two, layout, new_layout);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/list_allocator.rs:511:13
[INFO] [stdout]     |
[INFO] [stdout] 511 |             allocator.grow(two, layout, new_layout);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 511 |             let _ = allocator.grow(two, layout, new_layout);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/stack_allocator.rs:237:13
[INFO] [stdout]     |
[INFO] [stdout] 237 |             allocator.grow(two, layout, second_layout);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 237 |             let _ = allocator.grow(two, layout, second_layout);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yerba` (lib test) due to 1 previous error; 12 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "72e25ccfcd98457bb4d1f857ed0e034f313cb3a256ad24852dd00fc6d0dae1ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72e25ccfcd98457bb4d1f857ed0e034f313cb3a256ad24852dd00fc6d0dae1ab", kill_on_drop: false }`
[INFO] [stdout] 72e25ccfcd98457bb4d1f857ed0e034f313cb3a256ad24852dd00fc6d0dae1ab
