[INFO] cloning repository https://github.com/raycursive/blog-post-low-level-tricks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raycursive/blog-post-low-level-tricks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraycursive%2Fblog-post-low-level-tricks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraycursive%2Fblog-post-low-level-tricks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01a827ca8ce8b055603f435a0727771dba8dadb5
[INFO] checking raycursive/blog-post-low-level-tricks against 4d7c0cd298ace72490220301fa543d63a154f8ce for pr-164789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraycursive%2Fblog-post-low-level-tricks" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/raycursive/blog-post-low-level-tricks
[INFO] finished tweaking git repo https://github.com/raycursive/blog-post-low-level-tricks
[INFO] tweaked toml for git repo https://github.com/raycursive/blog-post-low-level-tricks written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/raycursive/blog-post-low-level-tricks on toolchain 4d7c0cd298ace72490220301fa543d63a154f8ce
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/raycursive/blog-post-low-level-tricks 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" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking raycursive/blog-post-low-level-tricks against 4d7c0cd298ace72490220301fa543d63a154f8ce for pr-164789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraycursive%2Fblog-post-low-level-tricks" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/raycursive/blog-post-low-level-tricks
[INFO] finished tweaking git repo https://github.com/raycursive/blog-post-low-level-tricks
[INFO] tweaked toml for git repo https://github.com/raycursive/blog-post-low-level-tricks written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/raycursive/blog-post-low-level-tricks on toolchain 4d7c0cd298ace72490220301fa543d63a154f8ce
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/raycursive/blog-post-low-level-tricks 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" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.5.0
[INFO] [stderr]   Downloaded clap v4.5.32
[INFO] [stderr]   Downloaded clap_builder v4.5.32
[INFO] [stderr]   Downloaded half v2.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6a45fe886ba99a28367cdadf444de1c39a706b5e586b031001d0c31a018023f9
[INFO] running `Command { std: "docker" "start" "6a45fe886ba99a28367cdadf444de1c39a706b5e586b031001d0c31a018023f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a45fe886ba99a28367cdadf444de1c39a706b5e586b031001d0c31a018023f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6a45fe886ba99a28367cdadf444de1c39a706b5e586b031001d0c31a018023f9" "/opt/rustwide/cargo-home/bin/cargo" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a45fe886ba99a28367cdadf444de1c39a706b5e586b031001d0c31a018023f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6a45fe886ba99a28367cdadf444de1c39a706b5e586b031001d0c31a018023f9" "/opt/rustwide/cargo-home/bin/cargo" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling zerocopy v0.8.23
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking half v2.5.0
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking once_cell v1.21.1
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking clap_builder v4.5.32
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking clap v4.5.32
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking perf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `feature(generic_const_exprs)` is not supported with the next-generation trait solver
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `-Znext-solver=globally` is currently enabled by default for testing
[INFO] [stdout]   = note: reverted the setting to `-Znext-solver=coherence` for this crate
[INFO] [stdout]   = note: the currently stable trait solver will be used for this crate
[INFO] [stdout]   = note: see issues #160895 <https://github.com/rust-lang/rust/issues/160895> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `feature(generic_const_exprs)` is not supported with the next-generation trait solver
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `-Znext-solver=globally` is currently enabled by default for testing
[INFO] [stdout]   = note: reverted the setting to `-Znext-solver=coherence` for this crate
[INFO] [stdout]   = note: the currently stable trait solver will be used for this crate
[INFO] [stdout]   = note: see issues #160895 <https://github.com/rust-lang/rust/issues/160895> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `str_from_raw_parts` is declared but not used
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(str_from_raw_parts)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `core_intrinsics` is declared but not used
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(core_intrinsics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `feature(generic_const_exprs)` is not supported with the next-generation trait solver
[INFO] [stdout]  --> benches/struct_reordering_bench.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `-Znext-solver=globally` is currently enabled by default for testing
[INFO] [stdout]   = note: reverted the setting to `-Znext-solver=coherence` for this crate
[INFO] [stdout]   = note: the currently stable trait solver will be used for this crate
[INFO] [stdout]   = note: see issues #160895 <https://github.com/rust-lang/rust/issues/160895> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `core_intrinsics` is declared but not used
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(core_intrinsics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `feature(generic_const_exprs)` is not supported with the next-generation trait solver
[INFO] [stdout]  --> benches/type_punning_bench.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `-Znext-solver=globally` is currently enabled by default for testing
[INFO] [stdout]   = note: reverted the setting to `-Znext-solver=coherence` for this crate
[INFO] [stdout]   = note: the currently stable trait solver will be used for this crate
[INFO] [stdout]   = note: see issues #160895 <https://github.com/rust-lang/rust/issues/160895> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `criterion`
[INFO] [stderr]   --> Cargo.toml:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | criterion = "0.5.1"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `criterion`
[INFO] [stderr] help: to still use for development builds, move to `dev-dependencies`
[INFO] [stderr] warning: `perf` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.35s
[INFO] running `Command { std: "docker" "inspect" "6a45fe886ba99a28367cdadf444de1c39a706b5e586b031001d0c31a018023f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a45fe886ba99a28367cdadf444de1c39a706b5e586b031001d0c31a018023f9", kill_on_drop: false }`
[INFO] [stdout] 6a45fe886ba99a28367cdadf444de1c39a706b5e586b031001d0c31a018023f9
