[INFO] fetching crate drug 0.0.2...
[INFO] testing drug-0.0.2 against 1.69.0 for beta-1.70-1
[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 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "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" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[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 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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d73d6cd2a50cdb4c691482db4087a95ed1458f5c7a783cbe8af2927ab02cc48
[INFO] running `Command { std: "docker" "start" "-a" "1d73d6cd2a50cdb4c691482db4087a95ed1458f5c7a783cbe8af2927ab02cc48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d73d6cd2a50cdb4c691482db4087a95ed1458f5c7a783cbe8af2927ab02cc48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d73d6cd2a50cdb4c691482db4087a95ed1458f5c7a783cbe8af2927ab02cc48", kill_on_drop: false }`
[INFO] [stdout] 1d73d6cd2a50cdb4c691482db4087a95ed1458f5c7a783cbe8af2927ab02cc48
[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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9402a6bc8cbd0930e0cf7d4816629544fd96edaf8620f260ddbc3995fd3e9dbb
[INFO] running `Command { std: "docker" "start" "-a" "9402a6bc8cbd0930e0cf7d4816629544fd96edaf8620f260ddbc3995fd3e9dbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling ndarray v0.11.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling erased-serde v0.3.25
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling debug_stub_derive v0.3.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling 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: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] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | #![feature(test)]
[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/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/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/github.com-1ecc6299db9ec823/erased-serde-0.3.25/src/private.rs:9:17
[INFO] [stdout]    |
[INFO] [stdout] 9  |     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 2 previous errors; 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `drug` due to 3 previous errors; 11 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "9402a6bc8cbd0930e0cf7d4816629544fd96edaf8620f260ddbc3995fd3e9dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9402a6bc8cbd0930e0cf7d4816629544fd96edaf8620f260ddbc3995fd3e9dbb", kill_on_drop: false }`
[INFO] [stdout] 9402a6bc8cbd0930e0cf7d4816629544fd96edaf8620f260ddbc3995fd3e9dbb
