[INFO] cloning repository https://github.com/jeff-pow/perf-ninja
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeff-pow/perf-ninja" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeff-pow%2Fperf-ninja", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeff-pow%2Fperf-ninja'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52dfcfc138e46a82bda32176256256ee6587f1d4
[INFO] testing jeff-pow/perf-ninja against 1.97.0-beta.6 for beta-1.98-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeff-pow%2Fperf-ninja" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/jeff-pow/perf-ninja
[INFO] finished tweaking git repo https://github.com/jeff-pow/perf-ninja
[INFO] tweaked toml for git repo https://github.com/jeff-pow/perf-ninja written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jeff-pow/perf-ninja on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jeff-pow/perf-ninja 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" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getrandom v0.2.11
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.17
[INFO] [stderr]   Downloaded walkdir v2.4.0
[INFO] [stderr]   Downloaded itoa v1.0.10
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[INFO] [stderr]   Downloaded ciborium-ll v0.2.1
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[INFO] [stderr]   Downloaded hermit-abi v0.3.3
[INFO] [stderr]   Downloaded anstyle v1.0.4
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[INFO] [stderr]   Downloaded winapi-util v0.1.6
[INFO] [stderr]   Downloaded quote v1.0.35
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.4
[INFO] [stderr]   Downloaded either v1.9.0
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[INFO] [stderr]   Downloaded once_cell v1.19.0
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[INFO] [stderr]   Downloaded criterion v0.5.1
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[INFO] [stderr]   Downloaded crossbeam-utils v0.8.18
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.17
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[INFO] [stderr]   Downloaded bitflags v2.4.1
[INFO] [stderr]   Downloaded ciborium v0.2.1
[INFO] [stderr]   Downloaded unicode-ident v1.0.12
[INFO] [stderr]   Downloaded proc-macro2 v1.0.74
[INFO] [stderr]   Downloaded clap v4.4.12
[INFO] [stderr]   Downloaded num-traits v0.2.17
[INFO] [stderr]   Downloaded serde v1.0.194
[INFO] [stderr]   Downloaded serde_derive v1.0.194
[INFO] [stderr]   Downloaded rayon-core v1.12.0
[INFO] [stderr]   Downloaded js-sys v0.3.66
[INFO] [stderr]   Downloaded memchr v2.7.1
[INFO] [stderr]   Downloaded bumpalo v3.14.0
[INFO] [stderr]   Downloaded itertools v0.10.5
[INFO] [stderr]   Downloaded plotters v0.3.5
[INFO] [stderr]   Downloaded serde_json v1.0.110
[INFO] [stderr]   Downloaded clap_builder v4.4.12
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[INFO] [stderr]   Downloaded wasm-bindgen v0.2.89
[INFO] [stderr]   Downloaded aho-corasick v1.1.2
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[INFO] [stderr]   Downloaded regex-syntax v0.8.2
[INFO] [stderr]   Downloaded rustix v0.38.28
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.52.0
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.52.0
[INFO] [stderr]   Downloaded regex-automata v0.4.3
[INFO] [stderr]   Downloaded libc v0.2.151
[INFO] [stderr]   Downloaded web-sys v0.3.66
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.52.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.52.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.52.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.52.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.52.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e8b63943e8298fd9681b8384fd79ac294feee00a9e7d06974314327edb597322
[INFO] running `Command { std: "docker" "start" "e8b63943e8298fd9681b8384fd79ac294feee00a9e7d06974314327edb597322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8b63943e8298fd9681b8384fd79ac294feee00a9e7d06974314327edb597322", 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" "e8b63943e8298fd9681b8384fd79ac294feee00a9e7d06974314327edb597322" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8b63943e8298fd9681b8384fd79ac294feee00a9e7d06974314327edb597322", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e8b63943e8298fd9681b8384fd79ac294feee00a9e7d06974314327edb597322" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling loop_tiling_1 v0.1.0 (/opt/rustwide/workdir/labs/memory_bound/loop_tiling_1)
[INFO] [stderr]    Compiling false_sharing_1 v0.1.0 (/opt/rustwide/workdir/labs/memory_bound/false_sharing_1)
[INFO] [stderr]    Compiling loop_interchange_2 v0.1.0 (/opt/rustwide/workdir/labs/memory_bound/loop_interchange_2)
[INFO] [stderr]    Compiling compiler_intrinsics_2 v0.1.0 (/opt/rustwide/workdir/labs/core_bound/compiler_intrinsics_2)
[INFO] [stderr]    Compiling warmup v0.1.0 (/opt/rustwide/workdir/labs/misc/warmup)
[INFO] [stdout] warning: unused variable: `arr`
[INFO] [stdout]  --> labs/misc/warmup/src/lib.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn solution(arr: &[i32], n: usize) -> i32 {
[INFO] [stdout]   |                 ^^^ help: if this is intentional, prefix it with an underscore: `_arr`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> labs/memory_bound/false_sharing_1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(thread_id_value)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `false_sharing_1` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e8b63943e8298fd9681b8384fd79ac294feee00a9e7d06974314327edb597322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8b63943e8298fd9681b8384fd79ac294feee00a9e7d06974314327edb597322", kill_on_drop: false }`
[INFO] [stdout] e8b63943e8298fd9681b8384fd79ac294feee00a9e7d06974314327edb597322
