[INFO] fetching crate folklore 0.8.0...
[INFO] checking folklore-0.8.0 against master#a26e97be8826d408309fffbd8168362365719f50 for pr-136776
[INFO] extracting crate folklore 0.8.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate folklore 0.8.0 on toolchain a26e97be8826d408309fffbd8168362365719f50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate folklore 0.8.0
[INFO] finished tweaking crates.io crate folklore 0.8.0
[INFO] tweaked toml for crates.io crate folklore 0.8.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 85 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded leapfrog v0.3.1
[INFO] [stderr]   Downloaded fixedstr v0.5.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6164d2de24ec6b78f33ea2622ae8a3b88ad6c545ba2c22f7c669aca2bf93ee7
[INFO] running `Command { std: "docker" "start" "-a" "f6164d2de24ec6b78f33ea2622ae8a3b88ad6c545ba2c22f7c669aca2bf93ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6164d2de24ec6b78f33ea2622ae8a3b88ad6c545ba2c22f7c669aca2bf93ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6164d2de24ec6b78f33ea2622ae8a3b88ad6c545ba2c22f7c669aca2bf93ee7", kill_on_drop: false }`
[INFO] [stdout] f6164d2de24ec6b78f33ea2622ae8a3b88ad6c545ba2c22f7c669aca2bf93ee7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92c8fb49a977e8b4cf54e216334b00e71c9a2404b3945538e8cfe6b6c4311c05
[INFO] running `Command { std: "docker" "start" "-a" "92c8fb49a977e8b4cf54e216334b00e71c9a2404b3945538e8cfe6b6c4311c05", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling serde_json v1.0.138
[INFO] [stderr]     Checking ryu v1.0.19
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking clap_builder v4.5.27
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking bytemuck v1.21.0
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking atomic v0.5.3
[INFO] [stderr]     Checking once_cell v1.20.3
[INFO] [stderr]     Checking oorandom v11.1.4
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking fixedstr v0.5.8
[INFO] [stderr]     Checking atomic v0.6.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking folklore v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking leapfrog v0.3.1
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stdout] warning: method `index_to_slice` is never used
[INFO] [stdout]    --> src/array.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 70  | impl<T> ConcurrentArena<T> {
[INFO] [stdout]     | -------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 116 |     fn index_to_slice(&self, index: usize) -> *mut [u8] {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `allocate` is never used
[INFO] [stdout]   --> src/util.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn allocate<T>(count: usize) -> *mut T {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking is-terminal v0.4.15
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking clap v4.5.28
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/test.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `index_to_slice` is never used
[INFO] [stdout]    --> src/array.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 70  | impl<T> ConcurrentArena<T> {
[INFO] [stdout]     | -------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 116 |     fn index_to_slice(&self, index: usize) -> *mut [u8] {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `allocate` is never used
[INFO] [stdout]   --> src/util.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn allocate<T>(count: usize) -> *mut T {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.10s
[INFO] running `Command { std: "docker" "inspect" "92c8fb49a977e8b4cf54e216334b00e71c9a2404b3945538e8cfe6b6c4311c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92c8fb49a977e8b4cf54e216334b00e71c9a2404b3945538e8cfe6b6c4311c05", kill_on_drop: false }`
[INFO] [stdout] 92c8fb49a977e8b4cf54e216334b00e71c9a2404b3945538e8cfe6b6c4311c05