[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 try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVaimer9%2Fmatrisk" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Vaimer9/matrisk on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aaed59e2d8b136a55b5aa66302b7021f074aca35135b5d7eb0cabb4f626e34df
[INFO] running `Command { std: "docker" "start" "-a" "aaed59e2d8b136a55b5aa66302b7021f074aca35135b5d7eb0cabb4f626e34df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aaed59e2d8b136a55b5aa66302b7021f074aca35135b5d7eb0cabb4f626e34df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaed59e2d8b136a55b5aa66302b7021f074aca35135b5d7eb0cabb4f626e34df", kill_on_drop: false }`
[INFO] [stdout] aaed59e2d8b136a55b5aa66302b7021f074aca35135b5d7eb0cabb4f626e34df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0ae540e0b9012334518f7338c873849892bf7e0c33902f06f305d364b8f1db0
[INFO] running `Command { std: "docker" "start" "-a" "f0ae540e0b9012334518f7338c873849892bf7e0c33902f06f305d364b8f1db0", kill_on_drop: false }`
[INFO] [stderr]     Checking matrisk v0.1.0 (/opt/rustwide/workdir)
[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: feature `portable_simd` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(portable_simd)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[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] warning: feature `portable_simd` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(portable_simd)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "f0ae540e0b9012334518f7338c873849892bf7e0c33902f06f305d364b8f1db0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0ae540e0b9012334518f7338c873849892bf7e0c33902f06f305d364b8f1db0", kill_on_drop: false }`
[INFO] [stdout] f0ae540e0b9012334518f7338c873849892bf7e0c33902f06f305d364b8f1db0
