[INFO] updating cached repository https://github.com/a-yuto/LLML
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8b087dfe07a4415d352c3d9a3a84e52b35b93d09
[INFO] testing a-yuto/LLML against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-yuto%2FLLML" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/a-yuto/LLML on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/a-yuto/LLML
[INFO] finished tweaking git repo https://github.com/a-yuto/LLML
[INFO] tweaked toml for git repo https://github.com/a-yuto/LLML written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/a-yuto/LLML already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e0692db41e7e0e7902dafc1de2313d983a8f82e8ef12db53f4e50cc2b6e83358
[INFO] running `"docker" "start" "-a" "e0692db41e7e0e7902dafc1de2313d983a8f82e8ef12db53f4e50cc2b6e83358"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `sum`
[INFO] [stderr]  --> src/lib.rs:2:4
[INFO] [stderr]   |
[INFO] [stderr] 2 | fn sum(v: &Vec<f64>) -> f64{
[INFO] [stderr]   |    ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mean`
[INFO] [stderr]   --> src/lib.rs:10:4
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn mean(v: &Vec<f64>) -> f64{
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `var`
[INFO] [stderr]   --> src/lib.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn var(v: &Vec<f64>) -> f64{
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cov`
[INFO] [stderr]   --> src/lib.rs:22:4
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn cov(x: &Vec<f64>,y: &Vec<f64>) -> f64{
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cor`
[INFO] [stderr]   --> src/lib.rs:30:4
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn cor(x: &Vec<f64>,y: &Vec<f64>) -> f64{
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: expected `;`, found `keyword `let``
[INFO] [stderr]   --> src/main.rs:50:59
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let y  = vec![3.0,3.2,3.3,3.9,4.4,4.5,4.5,5.4,5.4,6.0]
[INFO] [stderr]    |                                                           ^ help: add `;` here
[INFO] [stderr] 51 |     let f = singleregression(&x,&y);
[INFO] [stderr]    |     --- unexpected token
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `x` in this scope
[INFO] [stderr]   --> src/main.rs:51:31
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let f = singleregression(&x,&y);
[INFO] [stderr]    |                               ^ help: a local variable with a similar name exists: `x1`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:44:78
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn multiple_regression_analysis(x1: &Vec<f64>,x2: &Vec<f64>,y: &Vec<f64>) -> Box<dyn Fn(f64) -> f64>{
[INFO] [stderr]    |    ----------------------------                                              ^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::boxed::Box`, found `()`
[INFO] [stderr]    |    |
[INFO] [stderr]    |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected struct `std::boxed::Box<(dyn std::ops::Fn(f64) -> f64 + 'static)>`
[INFO] [stderr]            found unit type `()`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0425.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `tutorial`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e0692db41e7e0e7902dafc1de2313d983a8f82e8ef12db53f4e50cc2b6e83358"`
[INFO] running `"docker" "rm" "-f" "e0692db41e7e0e7902dafc1de2313d983a8f82e8ef12db53f4e50cc2b6e83358"`
[INFO] [stdout] e0692db41e7e0e7902dafc1de2313d983a8f82e8ef12db53f4e50cc2b6e83358