[INFO] cloning repository https://github.com/mildtamon/xirtam
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mildtamon/xirtam" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmildtamon%2Fxirtam", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmildtamon%2Fxirtam'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e4ed9dbddb8aacd3d8809728533f1ad5b5f16b5
[INFO] checking mildtamon/xirtam against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmildtamon%2Fxirtam" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mildtamon/xirtam on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mildtamon/xirtam
[INFO] finished tweaking git repo https://github.com/mildtamon/xirtam
[INFO] tweaked toml for git repo https://github.com/mildtamon/xirtam written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mildtamon/xirtam 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de0caa7fd04bab38b8e7ef7ce1ab8b973efce56d359729e23d2b5f4a83dd61e3
[INFO] running `Command { std: "docker" "start" "-a" "de0caa7fd04bab38b8e7ef7ce1ab8b973efce56d359729e23d2b5f4a83dd61e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de0caa7fd04bab38b8e7ef7ce1ab8b973efce56d359729e23d2b5f4a83dd61e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de0caa7fd04bab38b8e7ef7ce1ab8b973efce56d359729e23d2b5f4a83dd61e3", kill_on_drop: false }`
[INFO] [stdout] de0caa7fd04bab38b8e7ef7ce1ab8b973efce56d359729e23d2b5f4a83dd61e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bc75675a4b324e970c66962531cb535b7abe2f9ae2e0d87f31acf1e2c0c5201
[INFO] running `Command { std: "docker" "start" "-a" "6bc75675a4b324e970c66962531cb535b7abe2f9ae2e0d87f31acf1e2c0c5201", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]     Checking crossbeam-channel v0.5.7
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking funpar-t2-22-project-xirtam v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `q`
[INFO] [stdout]  --> src/matrix_det/mod.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let (q, r) = par_qr_decomposition(m);
[INFO] [stdout]   |          ^ help: if this is intentional, prefix it with an underscore: `_q`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `q`
[INFO] [stdout]   --> src/matrix_det/mod.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let (q, r) = seq_qr_decomposition(m);
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `par_det` is never used
[INFO] [stdout]  --> src/matrix_det/mod.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn par_det(m: Vec<Vec<f64>>) -> f64 {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `seq_det` is never used
[INFO] [stdout]   --> src/matrix_det/mod.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn seq_det(m: Vec<Vec<f64>>) -> f64 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `par_norm` is never used
[INFO] [stdout]   --> src/matrix_det/mod.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn par_norm(v: Vec<f64>) -> Vec<f64> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `par_project` is never used
[INFO] [stdout]   --> src/matrix_det/mod.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn par_project(v: &Vec<f64>, u: &Vec<f64>) -> Vec<f64> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gram_schmidt` is never used
[INFO] [stdout]   --> src/matrix_det/mod.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn gram_schmidt(m: &Vec<Vec<f64>>) -> Vec<Vec<f64>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `par_qr_decomposition` is never used
[INFO] [stdout]   --> src/matrix_det/mod.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn par_qr_decomposition(m: Vec<Vec<f64>>) -> (Vec<Vec<f64>>, Vec<Vec<f64>>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `seq_qr_decomposition` is never used
[INFO] [stdout]   --> src/matrix_det/mod.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn seq_qr_decomposition(m: Vec<Vec<f64>>) -> (Vec<Vec<f64>>, Vec<Vec<f64>>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `par_dot_product` is never used
[INFO] [stdout]  --> src/matrix_multiply_dot/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn par_dot_product(x: &Vec<f64>, y: &Vec<f64>) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `seq_dot_product` is never used
[INFO] [stdout]  --> src/matrix_multiply_dot/mod.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn seq_dot_product(x: &Vec<f64>, y: &Vec<f64>) -> f64 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `seq_matrix_mult` is never used
[INFO] [stdout]   --> src/matrix_multiply_dot/mod.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn seq_matrix_mult(m1: Vec<Vec<f64>>, m2: Vec<Vec<f64>>) -> Vec<Vec<f64>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `par_matrix_mult` is never used
[INFO] [stdout]   --> src/matrix_multiply_dot/mod.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn par_matrix_mult(m1: Vec<Vec<f64>>, m2: Vec<Vec<f64>>) -> Vec<Vec<f64>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `seq_trace` is never used
[INFO] [stdout]  --> src/matrix_trace/mod.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn seq_trace(m: &Vec<Vec<f64>>) -> f64 {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `par_trace` is never used
[INFO] [stdout]  --> src/matrix_trace/mod.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn par_trace(m: &Vec<Vec<f64>>) -> f64 {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `seq_transpose` is never used
[INFO] [stdout]  --> src/matrix_transpose/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn seq_transpose(m: Vec<Vec<f64>>) -> Vec<Vec<f64>> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `par_transpose` is never used
[INFO] [stdout]  --> src/matrix_transpose/mod.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn par_transpose(m: Vec<Vec<f64>>) -> Vec<Vec<f64>> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `q`
[INFO] [stdout]  --> src/matrix_det/mod.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let (q, r) = par_qr_decomposition(m);
[INFO] [stdout]   |          ^ help: if this is intentional, prefix it with an underscore: `_q`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `q`
[INFO] [stdout]   --> src/matrix_det/mod.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let (q, r) = seq_qr_decomposition(m);
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/matrix_det/mod.rs:83:14
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let (output, time) = timed(|| par_det(two_d_matrix.clone()));
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/matrix_det/mod.rs:86:14
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let (output, time) = timed(|| seq_det(two_d_matrix.clone()));
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/matrix_multiply_dot/mod.rs:74:14
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let (output, time) = timed(|| seq_matrix_mult(two_d_matrix.clone(), two_d_matrix.clone()));
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/matrix_multiply_dot/mod.rs:77:14
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let (output, time) = timed(|| par_matrix_mult(two_d_matrix.clone(), two_d_matrix.clone()));
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/matrix_transpose/mod.rs:41:14
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let (output, time) = timed(|| seq_transpose(two_d_matrix.clone()));
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/matrix_transpose/mod.rs:44:14
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let (output, time) = timed(|| par_transpose(two_d_matrix.clone()));
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.20s
[INFO] running `Command { std: "docker" "inspect" "6bc75675a4b324e970c66962531cb535b7abe2f9ae2e0d87f31acf1e2c0c5201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bc75675a4b324e970c66962531cb535b7abe2f9ae2e0d87f31acf1e2c0c5201", kill_on_drop: false }`
[INFO] [stdout] 6bc75675a4b324e970c66962531cb535b7abe2f9ae2e0d87f31acf1e2c0c5201