[INFO] cloning repository https://github.com/marasama/ft_matrix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marasama/ft_matrix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarasama%2Fft_matrix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarasama%2Fft_matrix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3c0d4b182970b90b31a322907e84cb7f3d2953d
[INFO] fixing marasama/ft_matrix 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%2Fmarasama%2Fft_matrix" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/marasama/ft_matrix
[INFO] finished tweaking git repo https://github.com/marasama/ft_matrix
[INFO] tweaked toml for git repo https://github.com/marasama/ft_matrix written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/marasama/ft_matrix 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/marasama/ft_matrix 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]  Downloading crates ...
[INFO] [stderr]   Downloaded approx v0.6.0-rc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3ab2f87140eba785cb15e17671d6932dab0e4cf43bf6d92840e7ec7f456226ba
[INFO] running `Command { std: "docker" "start" "3ab2f87140eba785cb15e17671d6932dab0e4cf43bf6d92840e7ec7f456226ba", 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" "3ab2f87140eba785cb15e17671d6932dab0e4cf43bf6d92840e7ec7f456226ba" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ab2f87140eba785cb15e17671d6932dab0e4cf43bf6d92840e7ec7f456226ba", 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" "3ab2f87140eba785cb15e17671d6932dab0e4cf43bf6d92840e7ec7f456226ba" "/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 num-traits v0.2.19
[INFO] [stderr]     Checking approx v0.6.0-rc2
[INFO] [stderr]     Checking matrix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `io::Empty` and `ops::Mul`
[INFO] [stdout]  --> src/vector/base.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{io::Empty, ops::Mul};
[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 imports: `io::Empty` and `ops::Mul`
[INFO] [stdout]  --> src/vector/base.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{io::Empty, ops::Mul};
[INFO] [stdout]   |           ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot subtract `vector::Vector<{float}>` from `vector::Vector<{float}>`
[INFO] [stdout]   --> src/commons/tests.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let a = lerp(Vector::from([2., 1.]), Vector::from([4., 2.]), 0.3);
[INFO] [stdout]    |             ^^^^ no implementation for `vector::Vector<{float}> - vector::Vector<{float}>`
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `std::ops::Sub` is not implemented for `vector::Vector<{float}>`
[INFO] [stdout]   --> src/vector/mod.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Vector<K: Float> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: required by a bound in `lerp`
[INFO] [stdout]   --> src/commons/lerp_mul_add.rs:9:37
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub fn lerp<V>(u: V, v: V, t: f32) -> V
[INFO] [stdout]    |        ---- required by a bound in this function
[INFO] [stdout]  8 | where
[INFO] [stdout]  9 |     V: MulAdd<f32, V, Output = V> + Sub<Output = V> + Clone,
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^ required by this bound in `lerp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot subtract `matrix::Matrix<{float}>` from `matrix::Matrix<{float}>`
[INFO] [stdout]   --> src/commons/tests.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let a = lerp(
[INFO] [stdout]    |             ^^^^ no implementation for `matrix::Matrix<{float}> - matrix::Matrix<{float}>`
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `std::ops::Sub` is not implemented for `matrix::Matrix<{float}>`
[INFO] [stdout]   --> src/matrix/mod.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct Matrix<K: Float> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: required by a bound in `lerp`
[INFO] [stdout]   --> src/commons/lerp_mul_add.rs:9:37
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub fn lerp<V>(u: V, v: V, t: f32) -> V
[INFO] [stdout]    |        ---- required by a bound in this function
[INFO] [stdout]  8 | where
[INFO] [stdout]  9 |     V: MulAdd<f32, V, Output = V> + Sub<Output = V> + Clone,
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^ required by this bound in `lerp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tests/matrix_test.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let mut u = Matrix::from([[1., 2., 3.], [4., 5., 6.]]);
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tests/matrix_test.rs:211:9
[INFO] [stdout]     |
[INFO] [stdout] 211 |     let mut u = Matrix::from([[1., 0., 0.], [0., 1., 0.], [0., 0., 1.]]);
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tests/matrix_test.rs:220:9
[INFO] [stdout]     |
[INFO] [stdout] 220 |     let mut u = Matrix::from([[2., 0., 0.], [0., 2., 0.], [0., 0., 2.]]);
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tests/matrix_test.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |     let mut u = Matrix::from([[8., 5., -2.], [4., 7., 20.], [7., 6., 1.]]);
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut u = Matrix::from([[1., 0., 0.], [0., 1., 0.], [0., 0., 1.]]);
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut u = Matrix::from([[2., 0., 0.], [0., 2., 0.], [0., 0., 2.]]);
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut u = Matrix::from([[8., 5., -2.], [4., 7., 20.], [7., 6., 1.]]);
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut u = Matrix::from([[1., 0., 0.], [0., 1., 0.], [0., 0., 1.]]);
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut u = Matrix::from([[2., 0., 0.], [0., 2., 0.], [0., 0., 2.]]);
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut u = Matrix::from([[8., 5., -2.], [4., 7., 20.], [7., 6., 1.]]);
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `matrix` (lib test) due to 2 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3ab2f87140eba785cb15e17671d6932dab0e4cf43bf6d92840e7ec7f456226ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ab2f87140eba785cb15e17671d6932dab0e4cf43bf6d92840e7ec7f456226ba", kill_on_drop: false }`
[INFO] [stdout] 3ab2f87140eba785cb15e17671d6932dab0e4cf43bf6d92840e7ec7f456226ba
