[INFO] cloning repository https://github.com/Dmarcano/autograd_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dmarcano/autograd_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDmarcano%2Fautograd_rs", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 584da93720f9ad910f7bb194462597846ad824eb
[INFO] checking Dmarcano/autograd_rs against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDmarcano%2Fautograd_rs" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dmarcano/autograd_rs on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Dmarcano/autograd_rs
[INFO] finished tweaking git repo https://github.com/Dmarcano/autograd_rs
[INFO] tweaked toml for git repo https://github.com/Dmarcano/autograd_rs written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/Dmarcano/autograd_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "4997ae1d64d83f359dc21f14776cddb1684ffb2795f91af327fa51d44c536d42", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aec6720c8a63e04d73625014f4bb60bf72e55f58034d3d28471b5a00fd031432
[INFO] running `Command { std: "docker" "start" "-a" "aec6720c8a63e04d73625014f4bb60bf72e55f58034d3d28471b5a00fd031432", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking auto_ops v0.3.0
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking approx v0.5.0
[INFO] [stderr]     Checking ndarray v0.15.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking autograd_rs v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/lib.rs (2 fixes)
[INFO] [stderr]        Fixed src/math.rs (4 fixes)
[INFO] [stderr]        Fixed src/errors.rs (2 fixes)
[INFO] [stdout] warning: variant is never constructed: `Add`
[INFO] [stdout]   --> src/math.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Add,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Mul`
[INFO] [stdout]   --> src/math.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Mul,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sub`
[INFO] [stdout]   --> src/math.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Sub,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Div`
[INFO] [stdout]   --> src/math.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Div,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `MathFn`
[INFO] [stdout]   --> src/math.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum MathFn {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `operation`
[INFO] [stdout]   --> src/math.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn operation(&self, _other: &Tensor<T>, _op: MathFn) {}
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unary_op`
[INFO] [stdout]   --> src/math.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn unary_op(&self, _op: MathFn) {}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `binary_op`
[INFO] [stdout]   --> src/math.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn binary_op(&self, other: &Tensor<T>, op: BinaryFn) -> Result<Array2<T>, TensorErr> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating examples/forward_ad_projectile_motion.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/forward_ad_book_example.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/lib.rs (1 fix)
[INFO] [stdout] warning: function is never used: `projectile_range`
[INFO] [stdout]  --> examples/forward_ad_projectile_motion.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn projectile_range(u: f32, theta: ForwardTensor) -> ForwardTensor {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `projectile_max_height`
[INFO] [stdout]   --> examples/forward_ad_projectile_motion.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn projectile_max_height(u: f32, theta: ForwardTensor) -> ForwardTensor {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `maximize_height`
[INFO] [stdout]   --> examples/forward_ad_projectile_motion.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn maximize_height(initial_theta: f32) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `maximize_range`
[INFO] [stdout]   --> examples/forward_ad_projectile_motion.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn maximize_range() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Add`
[INFO] [stdout]   --> src/math.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Add,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Mul`
[INFO] [stdout]   --> src/math.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Mul,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sub`
[INFO] [stdout]   --> src/math.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Sub,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Div`
[INFO] [stdout]   --> src/math.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Div,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `MathFn`
[INFO] [stdout]   --> src/math.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum MathFn {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `operation`
[INFO] [stdout]   --> src/math.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn operation(&self, _other: &Tensor<T>, _op: MathFn) {}
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unary_op`
[INFO] [stdout]   --> src/math.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn unary_op(&self, _op: MathFn) {}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `binary_op`
[INFO] [stdout]   --> src/math.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn binary_op(&self, other: &Tensor<T>, op: BinaryFn) -> Result<Array2<T>, TensorErr> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.46s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking autograd_rs v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: variant is never constructed: `Add`
[INFO] [stdout]   --> src/math.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Add,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Mul`
[INFO] [stdout]   --> src/math.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Mul,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sub`
[INFO] [stdout]   --> src/math.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Sub,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Div`
[INFO] [stdout]   --> src/math.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Div,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `MathFn`
[INFO] [stdout]   --> src/math.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum MathFn {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `operation`
[INFO] [stdout]   --> src/math.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn operation(&self, _other: &Tensor<T>, _op: MathFn) {}
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unary_op`
[INFO] [stdout]   --> src/math.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn unary_op(&self, _op: MathFn) {}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `binary_op`
[INFO] [stdout]   --> src/math.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn binary_op(&self, other: &Tensor<T>, op: BinaryFn) -> Result<Array2<T>, TensorErr> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Add`
[INFO] [stdout]   --> src/math.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Add,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Mul`
[INFO] [stdout]   --> src/math.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Mul,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sub`
[INFO] [stdout]   --> src/math.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Sub,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Div`
[INFO] [stdout]   --> src/math.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Div,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `MathFn`
[INFO] [stdout]   --> src/math.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum MathFn {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `operation`
[INFO] [stdout]   --> src/math.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn operation(&self, _other: &Tensor<T>, _op: MathFn) {}
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unary_op`
[INFO] [stdout]   --> src/math.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn unary_op(&self, _op: MathFn) {}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `binary_op`
[INFO] [stdout]   --> src/math.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn binary_op(&self, other: &Tensor<T>, op: BinaryFn) -> Result<Array2<T>, TensorErr> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `projectile_range`
[INFO] [stdout]  --> examples/forward_ad_projectile_motion.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn projectile_range(u: f32, theta: ForwardTensor) -> ForwardTensor {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `projectile_max_height`
[INFO] [stdout]   --> examples/forward_ad_projectile_motion.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn projectile_max_height(u: f32, theta: ForwardTensor) -> ForwardTensor {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `maximize_height`
[INFO] [stdout]   --> examples/forward_ad_projectile_motion.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn maximize_height(initial_theta: f32) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `maximize_range`
[INFO] [stdout]   --> examples/forward_ad_projectile_motion.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn maximize_range() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "aec6720c8a63e04d73625014f4bb60bf72e55f58034d3d28471b5a00fd031432", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aec6720c8a63e04d73625014f4bb60bf72e55f58034d3d28471b5a00fd031432", kill_on_drop: false }`
[INFO] [stdout] aec6720c8a63e04d73625014f4bb60bf72e55f58034d3d28471b5a00fd031432