[INFO] cloning repository https://github.com/Elvis339/mit_6172_performance_engineering
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Elvis339/mit_6172_performance_engineering" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElvis339%2Fmit_6172_performance_engineering", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElvis339%2Fmit_6172_performance_engineering'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55d86c1a7b2432b50bb02d043fa33683c0621532
[INFO] checking Elvis339/mit_6172_performance_engineering against try#2b39fe756f52bc2825bf5b2bfc385cab922dae10 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElvis339%2Fmit_6172_performance_engineering" "/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/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/Elvis339/mit_6172_performance_engineering
[INFO] finished tweaking git repo https://github.com/Elvis339/mit_6172_performance_engineering
[INFO] tweaked toml for git repo https://github.com/Elvis339/mit_6172_performance_engineering written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Elvis339/mit_6172_performance_engineering on toolchain 2b39fe756f52bc2825bf5b2bfc385cab922dae10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Elvis339/mit_6172_performance_engineering 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" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-6-tc2/source/classes/matrix_mul_1/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98abbdae590ae3bdef4c444779f5e153638e5b59339252d9bccdf867fad4497c
[INFO] running `Command { std: "docker" "start" "-a" "98abbdae590ae3bdef4c444779f5e153638e5b59339252d9bccdf867fad4497c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98abbdae590ae3bdef4c444779f5e153638e5b59339252d9bccdf867fad4497c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98abbdae590ae3bdef4c444779f5e153638e5b59339252d9bccdf867fad4497c", kill_on_drop: false }`
[INFO] [stdout] 98abbdae590ae3bdef4c444779f5e153638e5b59339252d9bccdf867fad4497c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61d940e0a3be3c36c65f8711df6a259be25bb20673f338d0cebc6dfe73ef200e
[INFO] running `Command { std: "docker" "start" "-a" "61d940e0a3be3c36c65f8711df6a259be25bb20673f338d0cebc6dfe73ef200e", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/classes/matrix_mul_1/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling zerocopy v0.8.13
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.134
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking half v2.4.1
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[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking oorandom v11.1.4
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]     Checking clap_builder v4.5.23
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking utils v0.1.0 (/opt/rustwide/workdir/classes/utils)
[INFO] [stderr]     Checking intro_0 v0.1.0 (/opt/rustwide/workdir/classes/intro_0)
[INFO] [stderr]     Checking sync_without_locks_17 v0.1.0 (/opt/rustwide/workdir/classes/sync_without_locks_17)
[INFO] [stderr]     Checking bentley_rules_2 v0.1.0 (/opt/rustwide/workdir/classes/bentley_rules_2)
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> classes/sync_without_locks_17/src/atomic.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     COUNTER.compare_and_swap(0, 5, Relaxed);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CompressedSparseRow` is never constructed
[INFO] [stdout]   --> classes/bentley_rules_2/src/compressed_sparse_row.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct CompressedSparseRow<T>
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `reconstruct`, and `get` are never used
[INFO] [stdout]   --> classes/bentley_rules_2/src/compressed_sparse_row.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | / impl<T> CompressedSparseRow<T>
[INFO] [stdout] 23 | | where
[INFO] [stdout] 24 | |     T: Add<Output = T> + Mul<Output = T> + Default + Copy + PartialEq,
[INFO] [stdout]    | |______________________________________________________________________- associated items in this implementation
[INFO] [stdout] 25 |   {
[INFO] [stdout] 26 |       pub fn new(matrix: Vec<Vec<T>>) -> Self {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |       pub fn reconstruct(&self) -> Vec<Vec<T>> {
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |       pub fn get(&self, row: usize, col: usize) -> T {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> classes/sync_without_locks_17/src/atomic.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     COUNTER.compare_and_swap(0, 5, Relaxed);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking assembly_lang_and_comp_arch v0.1.0 (/opt/rustwide/workdir/classes/assembly_lang_and_comp_arch_4)
[INFO] [stderr]     Checking num-format v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> classes/sync_without_locks_17/src/atomic.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     COUNTER.compare_and_swap(0, 5, Relaxed);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `COUNTER` is never used
[INFO] [stdout]  --> classes/sync_without_locks_17/src/atomic.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | static COUNTER: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> classes/sync_without_locks_17/src/atomic.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> classes/sync_without_locks_17/src/atomic.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     COUNTER.compare_and_swap(0, 5, Relaxed);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stdout] warning: static `COUNTER` is never used
[INFO] [stdout]  --> classes/sync_without_locks_17/src/atomic.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | static COUNTER: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> classes/sync_without_locks_17/src/atomic.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]     Checking getrandom v0.3.0-rc.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking is-terminal v0.4.13
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking nondeterministic_parallel_programming_16 v0.1.0 (/opt/rustwide/workdir/classes/nondeterministic_parallel_programming_16)
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stdout] warning: unused variable: `prev`
[INFO] [stdout]    --> classes/nondeterministic_parallel_programming_16/src/atomic_usize.rs:230:13
[INFO] [stdout]     |
[INFO] [stdout] 230 |         let prev = atomic.swap(200);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_prev`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> classes/nondeterministic_parallel_programming_16/src/not_optimized_spinlock.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn lock(&self) -> Result<SpinLockGuard<T>, SpinLockError> {
[INFO] [stdout]    |                 ^^^^^            ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn lock(&self) -> Result<SpinLockGuard<'_, T>, SpinLockError> {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `load`, `fetch_add`, and `swap` are never used
[INFO] [stdout]   --> classes/nondeterministic_parallel_programming_16/src/atomic_usize.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl AtomicUsize {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn load(&self) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn fetch_add(&self, mut v: usize) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn swap(&self, mut v: usize) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> classes/nondeterministic_parallel_programming_16/src/not_optimized_spinlock.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn lock(&self) -> Result<SpinLockGuard<T>, SpinLockError> {
[INFO] [stdout]    |                 ^^^^^            ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn lock(&self) -> Result<SpinLockGuard<'_, T>, SpinLockError> {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking clap v4.5.23
[INFO] [stderr]     Checking rand_core v0.9.0-beta.1
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.216
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.9.0-beta.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.9.0-beta.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking matrix_mul_1 v0.1.0 (/opt/rustwide/workdir/classes/matrix_mul_1)
[INFO] [stderr]     Checking rust v0.1.0 (/opt/rustwide/workdir/homework/2_profiling/recitation/rust)
[INFO] [stdout] error[E0432]: unresolved import `std::arch::aarch64`
[INFO] [stdout]  --> classes/matrix_mul_1/src/main.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::arch::aarch64::*;
[INFO] [stdout]   |                ^^^^^^^ could not find `aarch64` in `arch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::arch::aarch64`
[INFO] [stdout]  --> classes/matrix_mul_1/src/main.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::arch::aarch64::*;
[INFO] [stdout]   |                ^^^^^^^ could not find `aarch64` in `arch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::random`
[INFO] [stdout]  --> classes/matrix_mul_1/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::random;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> classes/matrix_mul_1/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::random`
[INFO] [stdout]  --> classes/matrix_mul_1/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::random;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> classes/matrix_mul_1/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CACHE_LINE_SIZE` is never used
[INFO] [stdout]  --> homework/2_profiling/recitation/rust/src/isort.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const CACHE_LINE_SIZE: usize = 64;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLOCK_SIZE` is never used
[INFO] [stdout]  --> homework/2_profiling/recitation/rust/src/isort.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const BLOCK_SIZE: usize = CACHE_LINE_SIZE / 4;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `isort` is never used
[INFO] [stdout]  --> homework/2_profiling/recitation/rust/src/isort.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn isort(arr: &mut [u32]) {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `isort_unroll` is never used
[INFO] [stdout]   --> homework/2_profiling/recitation/rust/src/isort.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn isort_unroll(arr: &mut [u32]) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `isort_block` is never used
[INFO] [stdout]   --> homework/2_profiling/recitation/rust/src/isort.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn isort_block(_arr: &mut [u32]) {}
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> homework/2_profiling/recitation/rust/src/isort.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `matrix_mul_1` (bin "matrix_mul_1") due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `matrix_mul_1` (bin "matrix_mul_1" test) due to 1 previous error; 2 warnings emitted
[INFO] [stdout] warning: constant `CACHE_LINE_SIZE` is never used
[INFO] [stdout]  --> homework/2_profiling/recitation/rust/src/isort.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const CACHE_LINE_SIZE: usize = 64;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CACHE_LINE_SIZE` is never used
[INFO] [stdout]  --> homework/2_profiling/recitation/rust/src/isort.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const CACHE_LINE_SIZE: usize = 64;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CACHE_LINE_SIZE` is never used
[INFO] [stdout]  --> homework/2_profiling/recitation/rust/src/isort.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const CACHE_LINE_SIZE: usize = 64;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLOCK_SIZE` is never used
[INFO] [stdout]  --> homework/2_profiling/recitation/rust/src/isort.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const BLOCK_SIZE: usize = CACHE_LINE_SIZE / 4;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLOCK_SIZE` is never used
[INFO] [stdout]  --> homework/2_profiling/recitation/rust/src/isort.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const BLOCK_SIZE: usize = CACHE_LINE_SIZE / 4;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLOCK_SIZE` is never used
[INFO] [stdout]  --> homework/2_profiling/recitation/rust/src/isort.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const BLOCK_SIZE: usize = CACHE_LINE_SIZE / 4;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `isort` is never used
[INFO] [stdout]  --> homework/2_profiling/recitation/rust/src/isort.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn isort(arr: &mut [u32]) {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `isort_unroll` is never used
[INFO] [stdout]   --> homework/2_profiling/recitation/rust/src/isort.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn isort_unroll(arr: &mut [u32]) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `isort_block` is never used
[INFO] [stdout]   --> homework/2_profiling/recitation/rust/src/isort.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn isort_block(_arr: &mut [u32]) {}
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> homework/2_profiling/recitation/rust/src/isort.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "61d940e0a3be3c36c65f8711df6a259be25bb20673f338d0cebc6dfe73ef200e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61d940e0a3be3c36c65f8711df6a259be25bb20673f338d0cebc6dfe73ef200e", kill_on_drop: false }`
[INFO] [stdout] 61d940e0a3be3c36c65f8711df6a259be25bb20673f338d0cebc6dfe73ef200e
