[INFO] cloning repository https://github.com/Vaimer9/matrisk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vaimer9/matrisk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVaimer9%2Fmatrisk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVaimer9%2Fmatrisk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8486ce43f39290022261f4cec654e01a2c48209d
[INFO] checking Vaimer9/matrisk against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVaimer9%2Fmatrisk" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Vaimer9/matrisk
[INFO] finished tweaking git repo https://github.com/Vaimer9/matrisk
[INFO] tweaked toml for git repo https://github.com/Vaimer9/matrisk written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Vaimer9/matrisk on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Vaimer9/matrisk 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65abd4513cb46091a645c7a3f7f94c1582f4cbc6e5f90cbe275ec23485770201
[INFO] running `Command { std: "docker" "start" "-a" "65abd4513cb46091a645c7a3f7f94c1582f4cbc6e5f90cbe275ec23485770201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65abd4513cb46091a645c7a3f7f94c1582f4cbc6e5f90cbe275ec23485770201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65abd4513cb46091a645c7a3f7f94c1582f4cbc6e5f90cbe275ec23485770201", kill_on_drop: false }`
[INFO] [stdout] 65abd4513cb46091a645c7a3f7f94c1582f4cbc6e5f90cbe275ec23485770201
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4342aea350ebdc8db88f36c48b4842c0164f4a26ba585036a742de64ca848174
[INFO] running `Command { std: "docker" "start" "-a" "4342aea350ebdc8db88f36c48b4842c0164f4a26ba585036a742de64ca848174", kill_on_drop: false }`
[INFO] [stderr]     Checking matrisk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(portable_simd)]
[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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(portable_simd)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `operations`
[INFO] [stdout]   --> src/lib.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     use operations::*;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/operations.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn swap(mut self, src: usize, dest: usize) -> Self {
[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: unused variable: `src`
[INFO] [stdout]   --> src/operations.rs:54:23
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn swap(mut self, src: usize, dest: usize) -> Self {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]   --> src/operations.rs:54:35
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn swap(mut self, src: usize, dest: usize) -> Self {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/operations.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn mult(mut self, src: usize, mult: f64) -> Self {
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]   --> src/operations.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn mult(mut self, src: usize, mult: f64) -> Self {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mult`
[INFO] [stdout]   --> src/operations.rs:58:35
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn mult(mut self, src: usize, mult: f64) -> Self {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_mult`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/operations.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn add_mult(mut self, src: usize, dest: usize, mult: f64) -> Self {
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]   --> src/operations.rs:62:27
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn add_mult(mut self, src: usize, dest: usize, mult: f64) -> Self {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]   --> src/operations.rs:62:39
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn add_mult(mut self, src: usize, dest: usize, mult: f64) -> Self {
[INFO] [stdout]    |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mult`
[INFO] [stdout]   --> src/operations.rs:62:52
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn add_mult(mut self, src: usize, dest: usize, mult: f64) -> Self {
[INFO] [stdout]    |                                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_mult`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/lib.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let a = Matrix::new([
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `matrisk` (lib test) due to 1 previous error; 12 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/operations.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn swap(mut self, src: usize, dest: usize) -> Self {
[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] [stderr] error: could not compile `matrisk` (lib) due to 1 previous error; 10 warnings emitted
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]   --> src/operations.rs:54:23
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn swap(mut self, src: usize, dest: usize) -> Self {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]   --> src/operations.rs:54:35
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn swap(mut self, src: usize, dest: usize) -> Self {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/operations.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn mult(mut self, src: usize, mult: f64) -> Self {
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]   --> src/operations.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn mult(mut self, src: usize, mult: f64) -> Self {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mult`
[INFO] [stdout]   --> src/operations.rs:58:35
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn mult(mut self, src: usize, mult: f64) -> Self {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_mult`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/operations.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn add_mult(mut self, src: usize, dest: usize, mult: f64) -> Self {
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]   --> src/operations.rs:62:27
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn add_mult(mut self, src: usize, dest: usize, mult: f64) -> Self {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]   --> src/operations.rs:62:39
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn add_mult(mut self, src: usize, dest: usize, mult: f64) -> Self {
[INFO] [stdout]    |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mult`
[INFO] [stdout]   --> src/operations.rs:62:52
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn add_mult(mut self, src: usize, dest: usize, mult: f64) -> Self {
[INFO] [stdout]    |                                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_mult`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4342aea350ebdc8db88f36c48b4842c0164f4a26ba585036a742de64ca848174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4342aea350ebdc8db88f36c48b4842c0164f4a26ba585036a742de64ca848174", kill_on_drop: false }`
[INFO] [stdout] 4342aea350ebdc8db88f36c48b4842c0164f4a26ba585036a742de64ca848174
