[INFO] fetching crate drug 0.0.2...
[INFO] checking drug-0.0.2 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate drug 0.0.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate drug 0.0.2 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate drug 0.0.2
[INFO] finished tweaking crates.io crate drug 0.0.2
[INFO] tweaked toml for crates.io crate drug 0.0.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded erased-serde v0.3.31
[INFO] [stderr]   Downloaded debug_stub_derive v0.3.0
[INFO] [stderr]   Downloaded rawpointer v0.1.0
[INFO] [stderr]   Downloaded matrixmultiply v0.1.15
[INFO] [stderr]   Downloaded num-complex v0.1.43
[INFO] [stderr]   Downloaded ron v0.4.2
[INFO] [stderr]   Downloaded ndarray v0.11.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2283d89c3eb0836bfff5cad9041b3bbbf21e8de765784db283e2127d58fdb685
[INFO] running `Command { std: "docker" "start" "-a" "2283d89c3eb0836bfff5cad9041b3bbbf21e8de765784db283e2127d58fdb685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2283d89c3eb0836bfff5cad9041b3bbbf21e8de765784db283e2127d58fdb685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2283d89c3eb0836bfff5cad9041b3bbbf21e8de765784db283e2127d58fdb685", kill_on_drop: false }`
[INFO] [stdout] 2283d89c3eb0836bfff5cad9041b3bbbf21e8de765784db283e2127d58fdb685
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00b715dcec98c0c7fdbad6dd6766554663a61641a5317e7c9a941621882ba24d
[INFO] running `Command { std: "docker" "start" "-a" "00b715dcec98c0c7fdbad6dd6766554663a61641a5317e7c9a941621882ba24d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling ndarray v0.11.2
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling debug_stub_derive v0.3.0
[INFO] [stderr]     Checking erased-serde v0.3.31
[INFO] [stderr]     Checking ron v0.4.2
[INFO] [stderr]     Checking drug v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/graph.rs:36:24
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct Initializer(Box<(Fn(&[usize]) -> ArrayD<f32>)>);
[INFO] [stdout]    |                        ^                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 36 - struct Initializer(Box<(Fn(&[usize]) -> ArrayD<f32>)>);
[INFO] [stdout] 36 + struct Initializer(Box<Fn(&[usize]) -> ArrayD<f32>>);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/graph.rs:36:24
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct Initializer(Box<(Fn(&[usize]) -> ArrayD<f32>)>);
[INFO] [stdout]    |                        ^                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 36 - struct Initializer(Box<(Fn(&[usize]) -> ArrayD<f32>)>);
[INFO] [stdout] 36 + struct Initializer(Box<Fn(&[usize]) -> ArrayD<f32>>);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/graph.rs:73:33
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn new(initializer: Box<(Fn(&[usize]) -> ArrayD<f32>)>, optimizer: Optimizer) -> Self {
[INFO] [stdout]    |                                 ^                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 73 -     pub fn new(initializer: Box<(Fn(&[usize]) -> ArrayD<f32>)>, optimizer: Optimizer) -> Self {
[INFO] [stdout] 73 +     pub fn new(initializer: Box<Fn(&[usize]) -> ArrayD<f32>>, optimizer: Optimizer) -> Self {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/graph.rs:73:33
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn new(initializer: Box<(Fn(&[usize]) -> ArrayD<f32>)>, optimizer: Optimizer) -> Self {
[INFO] [stdout]    |                                 ^                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 73 -     pub fn new(initializer: Box<(Fn(&[usize]) -> ArrayD<f32>)>, optimizer: Optimizer) -> Self {
[INFO] [stdout] 73 +     pub fn new(initializer: Box<Fn(&[usize]) -> ArrayD<f32>>, optimizer: Optimizer) -> Self {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/nodes/embedding.rs:19:26
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let x = code[(b)] as usize;
[INFO] [stdout]    |                          ^ ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -             let x = code[(b)] as usize;
[INFO] [stdout] 19 +             let x = code[b] as usize;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/nodes/embedding.rs:36:29
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let code = code[(b)] as usize;
[INFO] [stdout]    |                             ^ ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 36 -             let code = code[(b)] as usize;
[INFO] [stdout] 36 +             let code = code[b] as usize;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/nodes/embedding.rs:19:26
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let x = code[(b)] as usize;
[INFO] [stdout]    |                          ^ ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -             let x = code[(b)] as usize;
[INFO] [stdout] 19 +             let x = code[b] as usize;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/nodes/embedding.rs:36:29
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let code = code[(b)] as usize;
[INFO] [stdout]    |                             ^ ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 36 -             let code = code[(b)] as usize;
[INFO] [stdout] 36 +             let code = code[b] as usize;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct Initializer(Box<(Fn(&[usize]) -> ArrayD<f32>)>);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct Initializer(Box<(dyn Fn(&[usize]) -> ArrayD<f32>)>);
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/nodes/mod.rs:56:24
[INFO] [stdout]    |
[INFO] [stdout] 56 |         it: Option<Box<Iterator<Item = ArrayD<f32>>>>,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 56 |         it: Option<Box<dyn Iterator<Item = ArrayD<f32>>>>,
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct Initializer(Box<(Fn(&[usize]) -> ArrayD<f32>)>);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct Initializer(Box<(dyn Fn(&[usize]) -> ArrayD<f32>)>);
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/nodes/mod.rs:87:24
[INFO] [stdout]    |
[INFO] [stdout] 87 |         operation: Box<Operation>,
[INFO] [stdout]    |                        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 87 |         operation: Box<dyn Operation>,
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/nodes/mod.rs:56:24
[INFO] [stdout]    |
[INFO] [stdout] 56 |         it: Option<Box<Iterator<Item = ArrayD<f32>>>>,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 56 |         it: Option<Box<dyn Iterator<Item = ArrayD<f32>>>>,
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/nodes/mod.rs:87:24
[INFO] [stdout]    |
[INFO] [stdout] 87 |         operation: Box<Operation>,
[INFO] [stdout]    |                        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 87 |         operation: Box<dyn Operation>,
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph.rs:73:34
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn new(initializer: Box<(Fn(&[usize]) -> ArrayD<f32>)>, optimizer: Optimizer) -> Self {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn new(initializer: Box<(dyn Fn(&[usize]) -> ArrayD<f32>)>, optimizer: Optimizer) -> Self {
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/graph.rs:106:44
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn input(&mut self, it: Option<Box<Iterator<Item = ArrayD<f32>>>>) -> Idx {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn input(&mut self, it: Option<Box<dyn Iterator<Item = ArrayD<f32>>>>) -> Idx {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/graph.rs:226:18
[INFO] [stdout]     |
[INFO] [stdout] 226 |         new: Box<Iterator<Item = ArrayD<f32>>>,
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 226 |         new: Box<dyn Iterator<Item = ArrayD<f32>>>,
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph.rs:73:34
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn new(initializer: Box<(Fn(&[usize]) -> ArrayD<f32>)>, optimizer: Optimizer) -> Self {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn new(initializer: Box<(dyn Fn(&[usize]) -> ArrayD<f32>)>, optimizer: Optimizer) -> Self {
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/nodes/mod.rs:138:22
[INFO] [stdout]     |
[INFO] [stdout] 138 | impl Default for Box<Operation> {
[INFO] [stdout]     |                      ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 138 | impl Default for Box<dyn Operation> {
[INFO] [stdout]     |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/graph.rs:106:44
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn input(&mut self, it: Option<Box<Iterator<Item = ArrayD<f32>>>>) -> Idx {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn input(&mut self, it: Option<Box<dyn Iterator<Item = ArrayD<f32>>>>) -> Idx {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/graph.rs:226:18
[INFO] [stdout]     |
[INFO] [stdout] 226 |         new: Box<Iterator<Item = ArrayD<f32>>>,
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 226 |         new: Box<dyn Iterator<Item = ArrayD<f32>>>,
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/nodes/mod.rs:138:22
[INFO] [stdout]     |
[INFO] [stdout] 138 | impl Default for Box<Operation> {
[INFO] [stdout]     |                      ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 138 | impl Default for Box<dyn Operation> {
[INFO] [stdout]     |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `__T: serde::Serialize` is not satisfied
[INFO] [stdout]   --> src/nodes/mod.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | serialize_trait_object!(Operation);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `serde::Serialize` is not implemented for `__T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `__T` to implement `erased_serde::Serialize`
[INFO] [stdout] note: required by a bound in `require_erased_serialize_impl`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/erased-serde-0.3.31/src/private.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn require_erased_serialize_impl<T>()
[INFO] [stdout]    |        ----------------------------- required by a bound in this function
[INFO] [stdout] 13 | where
[INFO] [stdout] 14 |     T: ?Sized + crate::Serialize,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^ required by this bound in `require_erased_serialize_impl`
[INFO] [stdout]    = note: this error originates in the macro `$crate::__internal_serialize_trait_object` which comes from the expansion of the macro `serialize_trait_object` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]    |
[INFO] [stdout] 41 | serialize_trait_object!(Operation + serde::Serialize);
[INFO] [stdout]    |                                   ++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `__T: serde::Serialize` is not satisfied
[INFO] [stdout]   --> src/nodes/mod.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | serialize_trait_object!(Operation);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `serde::Serialize` is not implemented for `__T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `__T` to implement `erased_serde::Serialize`
[INFO] [stdout] note: required by a bound in `require_erased_serialize_impl`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/erased-serde-0.3.31/src/private.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn require_erased_serialize_impl<T>()
[INFO] [stdout]    |        ----------------------------- required by a bound in this function
[INFO] [stdout] 13 | where
[INFO] [stdout] 14 |     T: ?Sized + crate::Serialize,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^ required by this bound in `require_erased_serialize_impl`
[INFO] [stdout]    = note: this error originates in the macro `$crate::__internal_serialize_trait_object` which comes from the expansion of the macro `serialize_trait_object` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]    |
[INFO] [stdout] 41 | serialize_trait_object!(Operation + serde::Serialize);
[INFO] [stdout]    |                                   ++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `drug` (lib) due to 2 previous errors; 11 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error; 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `drug` (lib test) due to 2 previous errors; 11 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "00b715dcec98c0c7fdbad6dd6766554663a61641a5317e7c9a941621882ba24d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00b715dcec98c0c7fdbad6dd6766554663a61641a5317e7c9a941621882ba24d", kill_on_drop: false }`
[INFO] [stdout] 00b715dcec98c0c7fdbad6dd6766554663a61641a5317e7c9a941621882ba24d
