[INFO] updating cached repository https://github.com/takenta/feedforward_demo
[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] fac08e6bb2bc9817edfe9d2789a8787bac3ef699
[INFO] checking takenta/feedforward_demo against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakenta%2Ffeedforward_demo" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/takenta/feedforward_demo on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/takenta/feedforward_demo
[INFO] finished tweaking git repo https://github.com/takenta/feedforward_demo
[INFO] tweaked toml for git repo https://github.com/takenta/feedforward_demo written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/takenta/feedforward_demo already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 454d54e4f3623449085528e35996f11bfd3834c28244dfd5e6009666e53adb2f
[INFO] running `"docker" "start" "-a" "454d54e4f3623449085528e35996f11bfd3834c28244dfd5e6009666e53adb2f"`
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking deep_learning v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/tools/feed_forward.rs:7:19
[INFO] [stderr]   |
[INFO] [stderr] 7 |     func: &'a Box<Fn(DualNumber) -> DualNumber>,
[INFO] [stderr]   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(DualNumber) -> DualNumber`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tools/feed_forward.rs:11:81
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new(weights: Vec<f64>, len_row: usize, bias: Vec<f64>, func: &'a Box<Fn(DualNumber) -> DualNumber>) -> FeedForward<'a> {
[INFO] [stderr]    |                                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(DualNumber) -> DualNumber`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tools/feed_forward.rs:37:122
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn calc_error_output<'b>(&self, outputs: &'b Vec<DualNumber>, teachers: &'b Vec<DualNumber>, func_error: &'b Box<Fn(&DualNumber, &DualNumber) -> DualNumber>) -> Vec<f64> {
[INFO] [stderr]    |                                                                                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&DualNumber, &DualNumber) -> DualNumber`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/tools/feed_forward.rs:7:19
[INFO] [stderr]   |
[INFO] [stderr] 7 |     func: &'a Box<Fn(DualNumber) -> DualNumber>,
[INFO] [stderr]   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(DualNumber) -> DualNumber`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tools/feed_forward.rs:11:81
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new(weights: Vec<f64>, len_row: usize, bias: Vec<f64>, func: &'a Box<Fn(DualNumber) -> DualNumber>) -> FeedForward<'a> {
[INFO] [stderr]    |                                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(DualNumber) -> DualNumber`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tools/feed_forward.rs:37:122
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn calc_error_output<'b>(&self, outputs: &'b Vec<DualNumber>, teachers: &'b Vec<DualNumber>, func_error: &'b Box<Fn(&DualNumber, &DualNumber) -> DualNumber>) -> Vec<f64> {
[INFO] [stderr]    |                                                                                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&DualNumber, &DualNumber) -> DualNumber`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:30:28
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let func_hide_rel: Box<Fn(DualNumber) -> DualNumber> = Box::new(move |x: DualNumber| (DualNumber::new(1.0) - (-x).exp()).recip()); // 標準シグモイド関数
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(DualNumber) -> DualNumber`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:31:26
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let func_output: Box<Fn(DualNumber) -> DualNumber> = Box::new(move |x: DualNumber| x); // 恒等写像
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(DualNumber) -> DualNumber`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:39:25
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let error_func: Box<Fn(&DualNumber, &DualNumber) -> DualNumber> = Box::new(move |&output, &teacher| (output-teacher).powf(2.0) * DualNumber::new(0.5));
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&DualNumber, &DualNumber) -> DualNumber`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:30:28
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let func_hide_rel: Box<Fn(DualNumber) -> DualNumber> = Box::new(move |x: DualNumber| (DualNumber::new(1.0) - (-x).exp()).recip()); // 標準シグモイド関数
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(DualNumber) -> DualNumber`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:31:26
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let func_output: Box<Fn(DualNumber) -> DualNumber> = Box::new(move |x: DualNumber| x); // 恒等写像
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(DualNumber) -> DualNumber`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:39:25
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let error_func: Box<Fn(&DualNumber, &DualNumber) -> DualNumber> = Box::new(move |&output, &teacher| (output-teacher).powf(2.0) * DualNumber::new(0.5));
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&DualNumber, &DualNumber) -> DualNumber`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `"docker" "inspect" "454d54e4f3623449085528e35996f11bfd3834c28244dfd5e6009666e53adb2f"`
[INFO] running `"docker" "rm" "-f" "454d54e4f3623449085528e35996f11bfd3834c28244dfd5e6009666e53adb2f"`
[INFO] [stdout] 454d54e4f3623449085528e35996f11bfd3834c28244dfd5e6009666e53adb2f