[INFO] cloning repository https://github.com/optimal-x/nn_rs_from_scratch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/optimal-x/nn_rs_from_scratch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foptimal-x%2Fnn_rs_from_scratch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foptimal-x%2Fnn_rs_from_scratch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c7ebd1a9555180631a0fd08964ac295d9c1ee47
[INFO] fixing optimal-x/nn_rs_from_scratch against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foptimal-x%2Fnn_rs_from_scratch" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/optimal-x/nn_rs_from_scratch
[INFO] finished tweaking git repo https://github.com/optimal-x/nn_rs_from_scratch
[INFO] tweaked toml for git repo https://github.com/optimal-x/nn_rs_from_scratch written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/optimal-x/nn_rs_from_scratch on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/optimal-x/nn_rs_from_scratch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.38
[INFO] [stderr]   Downloaded eval-macro v0.5.0
[INFO] [stderr]   Downloaded eval-macro-internal v0.5.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.93
[INFO] [stderr]   Downloaded unicode-ident v1.0.16
[INFO] [stderr]   Downloaded syn v2.0.98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9cf37ed46d97a7d18b65150f0931f545e41f8fcdab9a4f86f96649c07289850b
[INFO] running `Command { std: "docker" "start" "9cf37ed46d97a7d18b65150f0931f545e41f8fcdab9a4f86f96649c07289850b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9cf37ed46d97a7d18b65150f0931f545e41f8fcdab9a4f86f96649c07289850b" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cf37ed46d97a7d18b65150f0931f545e41f8fcdab9a4f86f96649c07289850b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9cf37ed46d97a7d18b65150f0931f545e41f8fcdab9a4f86f96649c07289850b" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]     Checking quote v1.0.38
[INFO] [stderr]     Checking syn v2.0.98
[INFO] [stderr]    Compiling eval-macro-internal v0.5.0
[INFO] [stderr]     Checking eval-macro v0.5.0
[INFO] [stderr]    Compiling nnrs_macros v0.1.3 (/opt/rustwide/workdir/nnrs_macros)
[INFO] [stderr]     Checking linalg v0.5.0 (/opt/rustwide/workdir/linalg)
[INFO] [stdout] warning: unused import: `ndarr::tensor::TensorAccess`
[INFO] [stdout]  --> linalg/src/ndarr/transform/concrete_transformers.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{ndarr::tensor::TensorAccess, shape::{Shape, ShapeDescriptor}};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Index`
[INFO] [stdout]  --> linalg/src/ndarr/transform/concrete_transformers.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{borrow::Cow, ops::Index};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarr::tensor::TensorAccess`
[INFO] [stdout]  --> linalg/src/ndarr/transform/concrete_transformers.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{ndarr::tensor::TensorAccess, shape::{Shape, ShapeDescriptor}};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Index`
[INFO] [stdout]  --> linalg/src/ndarr/transform/concrete_transformers.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{borrow::Cow, ops::Index};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> linalg/src/ndarr/arr1.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |         &self.0[flat]
[INFO] [stdout]     |                 ^^^^ expected `&[usize]`, found `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> linalg/src/ndarr/arr1.rs:134:21
[INFO] [stdout]     |
[INFO] [stdout] 134 |         &mut self.0[flat]
[INFO] [stdout]     |                     ^^^^ expected `&[usize]`, found `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> linalg/src/ndarr/arr2.rs:171:17
[INFO] [stdout]     |
[INFO] [stdout] 171 |         &self.0[flat]
[INFO] [stdout]     |                 ^^^^ expected `&[usize]`, found `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> linalg/src/ndarr/arr2.rs:180:21
[INFO] [stdout]     |
[INFO] [stdout] 180 |         &mut self.0[flat]
[INFO] [stdout]     |                     ^^^^ expected `&[usize]`, found `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> linalg/src/ndarr/arr1.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |         &self.0[flat]
[INFO] [stdout]     |                 ^^^^ expected `&[usize]`, found `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> linalg/src/ndarr/arr1.rs:134:21
[INFO] [stdout]     |
[INFO] [stdout] 134 |         &mut self.0[flat]
[INFO] [stdout]     |                     ^^^^ expected `&[usize]`, found `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> linalg/src/ndarr/arr2.rs:171:17
[INFO] [stdout]     |
[INFO] [stdout] 171 |         &self.0[flat]
[INFO] [stdout]     |                 ^^^^ expected `&[usize]`, found `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> linalg/src/ndarr/arr2.rs:180:21
[INFO] [stdout]     |
[INFO] [stdout] 180 |         &mut self.0[flat]
[INFO] [stdout]     |                     ^^^^ expected `&[usize]`, found `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> linalg/src/test.rs:29:31
[INFO] [stdout]    |
[INFO] [stdout] 29 |     assert_eq!(&0.0, &(*arr1)[0]);
[INFO] [stdout]    |                               ^ expected `&[usize]`, found integer
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> linalg/src/ndarr/arr2.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn from(value: Vec<Vec<T>>) -> Self {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `logical`
[INFO] [stdout]   --> linalg/src/ndarr/transform/concrete_transformers.rs:39:23
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn to_flat(&self, logical: &[usize]) -> usize {
[INFO] [stdout]    |                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_logical`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flat_index`
[INFO] [stdout]   --> linalg/src/ndarr/transform/concrete_transformers.rs:43:26
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn to_logical(&self, flat_index: usize) -> Box<[usize]> {
[INFO] [stdout]    |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_flat_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> linalg/src/ndarr/arr2.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn from(value: Vec<Vec<T>>) -> Self {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `logical`
[INFO] [stdout]   --> linalg/src/ndarr/transform/concrete_transformers.rs:39:23
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn to_flat(&self, logical: &[usize]) -> usize {
[INFO] [stdout]    |                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_logical`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flat_index`
[INFO] [stdout]   --> linalg/src/ndarr/transform/concrete_transformers.rs:43:26
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn to_logical(&self, flat_index: usize) -> Box<[usize]> {
[INFO] [stdout]    |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_flat_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `linalg` (lib) due to 4 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `linalg` (lib test) due to 5 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "9cf37ed46d97a7d18b65150f0931f545e41f8fcdab9a4f86f96649c07289850b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cf37ed46d97a7d18b65150f0931f545e41f8fcdab9a4f86f96649c07289850b", kill_on_drop: false }`
[INFO] [stdout] 9cf37ed46d97a7d18b65150f0931f545e41f8fcdab9a4f86f96649c07289850b
