[INFO] cloning repository https://github.com/gilcu2/hello_cargo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gilcu2/hello_cargo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilcu2%2Fhello_cargo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilcu2%2Fhello_cargo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e6a417b071622947dab633ba53d70b96ebb40850
[INFO] checking gilcu2/hello_cargo against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilcu2%2Fhello_cargo" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gilcu2/hello_cargo on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gilcu2/hello_cargo
[INFO] finished tweaking git repo https://github.com/gilcu2/hello_cargo
[INFO] tweaked toml for git repo https://github.com/gilcu2/hello_cargo written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/gilcu2/hello_cargo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f1af90ec4bfded199146a8909d7e7522a3b64e6caabb360d88c917943ad5258
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9f1af90ec4bfded199146a8909d7e7522a3b64e6caabb360d88c917943ad5258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f1af90ec4bfded199146a8909d7e7522a3b64e6caabb360d88c917943ad5258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f1af90ec4bfded199146a8909d7e7522a3b64e6caabb360d88c917943ad5258", kill_on_drop: false }`
[INFO] [stdout] 9f1af90ec4bfded199146a8909d7e7522a3b64e6caabb360d88c917943ad5258
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25839969aa15f99158bc2b79890fd0e0086e1e703296d53920b866d0a20122b2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "25839969aa15f99158bc2b79890fd0e0086e1e703296d53920b866d0a20122b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling cc v1.0.36
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling bitflags v1.0.5
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling serde v1.0.93
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling derive_builder v0.5.1
[INFO] [stderr]     Checking rgb v0.8.13
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling rustlearn v0.5.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking signal-hook-registry v1.0.1
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking vpsearch v1.3.5
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking ordered_iter v0.1.1
[INFO] [stderr]     Checking optimization v0.1.0
[INFO] [stderr]     Checking signal-hook v0.1.9
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking rulinalg v0.3.7
[INFO] [stderr]     Checking vectors v0.3.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]    Compiling derive_builder_core v0.2.0
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking rusty-machine v0.5.4
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking backtrace v0.3.15
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking tokio v0.1.19
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.93
[INFO] [stderr]    Compiling derive-new v0.5.6
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking rspec v1.0.0-beta.4
[INFO] [stderr]     Checking trust-dns-proto v0.6.3
[INFO] [stderr]     Checking trust-dns-proto v0.5.0
[INFO] [stderr]     Checking trust-dns-resolver v0.10.3
[INFO] [stderr]     Checking actix v0.7.9
[INFO] [stderr]     Checking hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0580]: `main` function has wrong type
[INFO] [stdout]  --> src/bin/vptree.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / extern
[INFO] [stdout] 2 | |
[INFO] [stdout] 3 | | fn main() {}
[INFO] [stdout]   | |_________^ expected "Rust" fn, found "C" fn
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected fn pointer `fn()`
[INFO] [stdout]              found fn pointer `extern "C" fn()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0580`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hello_cargo` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0053]: method `compute_grad` has an incompatible type for trait
[INFO] [stdout]   --> src/bin/gradient_descendent_2D.rs:17:36
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn compute_grad(&self, params: &[(f64, f64)], _: &Matrix<f64>, _: &Matrix<f64>) -> (f64, Vec<f64>) {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout]    |                                    |
[INFO] [stdout]    |                                    expected `f64`, found tuple
[INFO] [stdout]    |                                    help: change the parameter type to match the trait: `&[f64]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `fn(&XSqModel2D, &[f64], &Matrix<(f64, f64)>, &Matrix<f64>) -> (_, Vec<_>)`
[INFO] [stdout]               found fn pointer `fn(&XSqModel2D, &[(f64, f64)], &Matrix<f64>, &Matrix<f64>) -> (_, Vec<_>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]  --> src/bin/figures.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     x: u16,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]  --> src/bin/figures.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     y: u16,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `corner`
[INFO] [stdout]  --> src/bin/figures.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     corner: Point,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `corner`
[INFO] [stdout]   --> src/bin/figures.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     corner: Point,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `2` on type `(f64, f64)`
[INFO] [stdout]   --> src/bin/gradient_descendent_2D.rs:19:31
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let y_dif = params[0].2 - self.c.2;
[INFO] [stdout]    |                               ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `2` on type `(f64, f64)`
[INFO] [stdout]   --> src/bin/gradient_descendent_2D.rs:19:42
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let y_dif = params[0].2 - self.c.2;
[INFO] [stdout]    |                                          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: cannot subtract `(f64, f64)` from `(f64, f64)`
[INFO] [stdout]   --> src/bin/gradient_descendent_2D.rs:24:37
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let value = () * (params[0] - self.c);
[INFO] [stdout]    |                           --------- ^ ------ (f64, f64)
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           (f64, f64)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: cannot subtract `(f64, f64)` from `(f64, f64)`
[INFO] [stdout]   --> src/bin/gradient_descendent_2D.rs:25:52
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let first_derivate = vec![2.0 * (params[0] - self.c)];
[INFO] [stdout]    |                                          --------- ^ ------ (f64, f64)
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          (f64, f64)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `(f64, f64): num_traits::identities::Zero` is not satisfied
[INFO] [stdout]    --> src/bin/gradient_descendent_2D.rs:37:31
[INFO] [stdout]     |
[INFO] [stdout] 37  | ...                   &Matrix::zeros(1, 1),
[INFO] [stdout]     |                        ^^^^^^^^^^^^^ the trait `num_traits::identities::Zero` is not implemented for `(f64, f64)`
[INFO] [stdout]     |
[INFO] [stdout] note: required by `Matrix::<T>::zeros`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rulinalg-0.3.7/src/matrix/mod.rs:236:5
[INFO] [stdout]     |
[INFO] [stdout] 236 |     pub fn zeros(rows: usize, cols: usize) -> Matrix<T> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0053, E0277, E0369, E0609.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "25839969aa15f99158bc2b79890fd0e0086e1e703296d53920b866d0a20122b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25839969aa15f99158bc2b79890fd0e0086e1e703296d53920b866d0a20122b2", kill_on_drop: false }`
[INFO] [stdout] 25839969aa15f99158bc2b79890fd0e0086e1e703296d53920b866d0a20122b2
