[INFO] updating cached repository https://github.com/vcombey/neural_network
[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] fcb6e542d3d5229ad1cc94a50ea7fab4cf133104
[INFO] checking vcombey/neural_network against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvcombey%2Fneural_network" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  76% (10/13)   
Checking out files:  84% (11/13)   
Checking out files:  92% (12/13)   
Checking out files: 100% (13/13)   
Checking out files: 100% (13/13), done.
[INFO] validating manifest of git repo https://github.com/vcombey/neural_network on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/vcombey/neural_network
[INFO] finished tweaking git repo https://github.com/vcombey/neural_network
[INFO] tweaked toml for git repo https://github.com/vcombey/neural_network written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/vcombey/neural_network already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 506ec63441ef024f833e7435a5c3f716a7d30383422120c7c9d81b528769b068
[INFO] running `"docker" "start" "-a" "506ec63441ef024f833e7435a5c3f716a7d30383422120c7c9d81b528769b068"`
[INFO] [stderr]     Checking neural_network v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: macro expansion ignores token `{` and any following
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  |   println!("Scalar: {:?}", );
[INFO] [stderr]    |   --------------------------- caused by the macro expansion here
[INFO] [stderr]    |
[INFO] [stderr]    = note: the usage of `println!` is likely invalid in item context
[INFO] [stderr] 
[INFO] [stderr] error: macro expansion ignores token `{` and any following
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  |   println!("Vector: {:?}", );
[INFO] [stderr]    |   --------------------------- caused by the macro expansion here
[INFO] [stderr]    |
[INFO] [stderr]    = note: the usage of `println!` is likely invalid in item context
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `random`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use random::Source;
[INFO] [stderr]   |     ^^^^^^ maybe a missing crate `random`?
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `random`
[INFO] [stderr]   --> src/main.rs:19:26
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let mut source = random::default().seed([42, 69]);
[INFO] [stderr]    |                          ^^^^^^ use of undeclared type or module `random`
[INFO] [stderr] 
[INFO] [stderr] error: macro expansion ignores token `{` and any following
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  |   println!("Scalar: {:?}", );
[INFO] [stderr]    |   --------------------------- caused by the macro expansion here
[INFO] [stderr]    |
[INFO] [stderr]    = note: the usage of `println!` is likely invalid in item context
[INFO] [stderr] 
[INFO] [stderr] error: macro expansion ignores token `{` and any following
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  |   println!("Vector: {:?}", );
[INFO] [stderr]    |   --------------------------- caused by the macro expansion here
[INFO] [stderr]    |
[INFO] [stderr]    = note: the usage of `println!` is likely invalid in item context
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `map` found for reference `&u32` in the current scope
[INFO] [stderr]   --> src/main.rs:39:51
[INFO] [stderr]    |
[INFO] [stderr] 39 |             layer: layer_size.iter().map(|s| 0..s.map(|_| Neuron::new_random()).collect()).collect()
[INFO] [stderr]    |                                                   ^^^ method not found in `&u32`
[INFO] [stderr]    |
[INFO] [stderr]    = note: the method `map` exists but the following trait bounds were not satisfied:
[INFO] [stderr]            `&u32: std::iter::Iterator`
[INFO] [stderr]            which is required by `&mut &u32: std::iter::Iterator`
[INFO] [stderr]            `u32: std::iter::Iterator`
[INFO] [stderr]            which is required by `&mut u32: std::iter::Iterator`
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 2 arguments but 0 arguments were supplied
[INFO] [stderr]   --> src/main.rs:39:59
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn new_random(nb_conn: u64, activation_func: fn (f64) -> f64) -> Self {
[INFO] [stderr]    |     --------------------------------------------------------------------- defined here
[INFO] [stderr] ...
[INFO] [stderr] 39 |             layer: layer_size.iter().map(|s| 0..s.map(|_| Neuron::new_random()).collect()).collect()
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^^^^^^^-- supplied 0 arguments
[INFO] [stderr]    |                                                           |
[INFO] [stderr]    |                                                           expected 2 arguments
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `random`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use random::Source;
[INFO] [stderr]   |     ^^^^^^ maybe a missing crate `random`?
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `random`
[INFO] [stderr]   --> src/main.rs:19:26
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let mut source = random::default().seed([42, 69]);
[INFO] [stderr]    |                          ^^^^^^ use of undeclared type or module `random`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: a value of type `std::vec::Vec<std::vec::Vec<Neuron>>` cannot be built from an iterator over elements of type `std::ops::Range<{integer}>`
[INFO] [stderr]   --> src/main.rs:39:92
[INFO] [stderr]    |
[INFO] [stderr] 39 |             layer: layer_size.iter().map(|s| 0..s.map(|_| Neuron::new_random()).collect()).collect()
[INFO] [stderr]    |                                                                                            ^^^^^^^ value of type `std::vec::Vec<std::vec::Vec<Neuron>>` cannot be built from `std::iter::Iterator<Item=std::ops::Range<{integer}>>`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::iter::FromIterator<std::ops::Range<{integer}>>` is not implemented for `std::vec::Vec<std::vec::Vec<Neuron>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::vec::Vec<Neuron>` is not an iterator
[INFO] [stderr]   --> src/main.rs:54:22
[INFO] [stderr]    |
[INFO] [stderr] 54 |             for n in &mut l {
[INFO] [stderr]    |                      ^^^^^^ `std::vec::Vec<Neuron>` is not an iterator
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::iter::Iterator` is not implemented for `std::vec::Vec<Neuron>`
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::iter::Iterator` for `&mut std::vec::Vec<Neuron>`
[INFO] [stderr] 
[INFO] [stderr] error[E0609]: no field `activation` on type `&&&std::vec::Vec<Neuron>`
[INFO] [stderr]   --> src/main.rs:58:93
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let (res, prob) = self.layer.last().iter().enumerate().max_by(|(_, n1), (_, n2)| n1.activation >= n2.activation);
[INFO] [stderr]    |                                                                                             ^^^^^^^^^^ unknown field
[INFO] [stderr] 
[INFO] [stderr] error[E0609]: no field `activation` on type `&&&std::vec::Vec<Neuron>`
[INFO] [stderr]   --> src/main.rs:58:110
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let (res, prob) = self.layer.last().iter().enumerate().max_by(|(_, n1), (_, n2)| n1.activation >= n2.activation);
[INFO] [stderr]    |                                                                                                              ^^^^^^^^^^ unknown field
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:58:90
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let (res, prob) = self.layer.last().iter().enumerate().max_by(|(_, n1), (_, n2)| n1.activation >= n2.activation);
[INFO] [stderr]    |                                                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::cmp::Ordering`, found `bool`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let (res, prob) = self.layer.last().iter().enumerate().max_by(|(_, n1), (_, n2)| n1.activation >= n2.activation);
[INFO] [stderr]    |             ^^^^^^^^^^^   ---------------------------------------------------------------------------------------------- this expression has type `std::option::Option<(usize, &&std::vec::Vec<Neuron>)>`
[INFO] [stderr]    |             |
[INFO] [stderr]    |             expected enum `std::option::Option`, found tuple
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected enum `std::option::Option<(usize, &&std::vec::Vec<Neuron>)>`
[INFO] [stderr]              found tuple `(_, _)`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:45:43
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn compute(&mut self, img: &Image) -> (u8, f64) {
[INFO] [stderr]    |        -------                            ^^^^^^^^^ expected tuple, found `()`
[INFO] [stderr]    |        |
[INFO] [stderr]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stderr]    |
[INFO] [stderr]    = note:  expected tuple `(u8, f64)`
[INFO] [stderr]            found unit type `()`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `map` found for reference `&u32` in the current scope
[INFO] [stderr]   --> src/main.rs:39:51
[INFO] [stderr]    |
[INFO] [stderr] 39 |             layer: layer_size.iter().map(|s| 0..s.map(|_| Neuron::new_random()).collect()).collect()
[INFO] [stderr]    |                                                   ^^^ method not found in `&u32`
[INFO] [stderr]    |
[INFO] [stderr]    = note: the method `map` exists but the following trait bounds were not satisfied:
[INFO] [stderr]            `&u32: std::iter::Iterator`
[INFO] [stderr]            which is required by `&mut &u32: std::iter::Iterator`
[INFO] [stderr]            `u32: std::iter::Iterator`
[INFO] [stderr]            which is required by `&mut u32: std::iter::Iterator`
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 2 arguments but 0 arguments were supplied
[INFO] [stderr]   --> src/main.rs:39:59
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn new_random(nb_conn: u64, activation_func: fn (f64) -> f64) -> Self {
[INFO] [stderr]    |     --------------------------------------------------------------------- defined here
[INFO] [stderr] ...
[INFO] [stderr] 39 |             layer: layer_size.iter().map(|s| 0..s.map(|_| Neuron::new_random()).collect()).collect()
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^^^^^^^-- supplied 0 arguments
[INFO] [stderr]    |                                                           |
[INFO] [stderr]    |                                                           expected 2 arguments
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: a value of type `std::vec::Vec<std::vec::Vec<Neuron>>` cannot be built from an iterator over elements of type `std::ops::Range<{integer}>`
[INFO] [stderr]   --> src/main.rs:39:92
[INFO] [stderr]    |
[INFO] [stderr] 39 |             layer: layer_size.iter().map(|s| 0..s.map(|_| Neuron::new_random()).collect()).collect()
[INFO] [stderr]    |                                                                                            ^^^^^^^ value of type `std::vec::Vec<std::vec::Vec<Neuron>>` cannot be built from `std::iter::Iterator<Item=std::ops::Range<{integer}>>`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::iter::FromIterator<std::ops::Range<{integer}>>` is not implemented for `std::vec::Vec<std::vec::Vec<Neuron>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::vec::Vec<Neuron>` is not an iterator
[INFO] [stderr]   --> src/main.rs:54:22
[INFO] [stderr]    |
[INFO] [stderr] 54 |             for n in &mut l {
[INFO] [stderr]    |                      ^^^^^^ `std::vec::Vec<Neuron>` is not an iterator
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::iter::Iterator` is not implemented for `std::vec::Vec<Neuron>`
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::iter::Iterator` for `&mut std::vec::Vec<Neuron>`
[INFO] [stderr] 
[INFO] [stderr] error[E0609]: no field `activation` on type `&&&std::vec::Vec<Neuron>`
[INFO] [stderr]   --> src/main.rs:58:93
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let (res, prob) = self.layer.last().iter().enumerate().max_by(|(_, n1), (_, n2)| n1.activation >= n2.activation);
[INFO] [stderr]    |                                                                                             ^^^^^^^^^^ unknown field
[INFO] [stderr] 
[INFO] [stderr] error[E0609]: no field `activation` on type `&&&std::vec::Vec<Neuron>`
[INFO] [stderr]   --> src/main.rs:58:110
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let (res, prob) = self.layer.last().iter().enumerate().max_by(|(_, n1), (_, n2)| n1.activation >= n2.activation);
[INFO] [stderr]    |                                                                                                              ^^^^^^^^^^ unknown field
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 13 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0061, E0277, E0308, E0432, E0433, E0599, E0609.
[INFO] [stderr] For more information about an error, try `rustc --explain E0061`.
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:58:90
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let (res, prob) = self.layer.last().iter().enumerate().max_by(|(_, n1), (_, n2)| n1.activation >= n2.activation);
[INFO] [stderr]    |                                                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::cmp::Ordering`, found `bool`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let (res, prob) = self.layer.last().iter().enumerate().max_by(|(_, n1), (_, n2)| n1.activation >= n2.activation);
[INFO] [stderr]    |             ^^^^^^^^^^^   ---------------------------------------------------------------------------------------------- this expression has type `std::option::Option<(usize, &&std::vec::Vec<Neuron>)>`
[INFO] [stderr]    |             |
[INFO] [stderr]    |             expected enum `std::option::Option`, found tuple
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected enum `std::option::Option<(usize, &&std::vec::Vec<Neuron>)>`
[INFO] [stderr]              found tuple `(_, _)`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:45:43
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn compute(&mut self, img: &Image) -> (u8, f64) {
[INFO] [stderr]    |        -------                            ^^^^^^^^^ expected tuple, found `()`
[INFO] [stderr]    |        |
[INFO] [stderr]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stderr]    |
[INFO] [stderr]    = note:  expected tuple `(u8, f64)`
[INFO] [stderr]            found unit type `()`
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `neural_network`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 13 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0061, E0277, E0308, E0432, E0433, E0599, E0609.
[INFO] [stderr] For more information about an error, try `rustc --explain E0061`.
[INFO] [stderr] error: could not compile `neural_network`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "506ec63441ef024f833e7435a5c3f716a7d30383422120c7c9d81b528769b068"`
[INFO] running `"docker" "rm" "-f" "506ec63441ef024f833e7435a5c3f716a7d30383422120c7c9d81b528769b068"`
[INFO] [stdout] 506ec63441ef024f833e7435a5c3f716a7d30383422120c7c9d81b528769b068
