[INFO] cloning repository https://github.com/DixydL/ma_rgl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DixydL/ma_rgl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDixydL%2Fma_rgl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDixydL%2Fma_rgl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 184acef92670a44cc2f03c35d82a13c3bfb27691
[INFO] testing DixydL/ma_rgl against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDixydL%2Fma_rgl" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DixydL/ma_rgl on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DixydL/ma_rgl
[INFO] finished tweaking git repo https://github.com/DixydL/ma_rgl
[INFO] tweaked toml for git repo https://github.com/DixydL/ma_rgl written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/DixydL/ma_rgl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea0e815d73d164d562d1682ce772bf73798a0e8f15beaf952df255f69c8cf409
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ea0e815d73d164d562d1682ce772bf73798a0e8f15beaf952df255f69c8cf409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea0e815d73d164d562d1682ce772bf73798a0e8f15beaf952df255f69c8cf409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea0e815d73d164d562d1682ce772bf73798a0e8f15beaf952df255f69c8cf409", kill_on_drop: false }`
[INFO] [stdout] ea0e815d73d164d562d1682ce772bf73798a0e8f15beaf952df255f69c8cf409
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e822557a55d370d4b7a512cb49d34a5f12f5347207bcef1a3712fc94a6bc03a9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e822557a55d370d4b7a512cb49d34a5f12f5347207bcef1a3712fc94a6bc03a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling ma_rgl v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `m_index`
[INFO] [stdout]    --> src/lib.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let mut m_index = 0;
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_m_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `m` is never read
[INFO] [stdout]    --> src/lib.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let mut m = 0.;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m_index`
[INFO] [stdout]    --> src/lib.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 113 |             let mut m_index = 0;
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_m_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `m` is never read
[INFO] [stdout]    --> src/lib.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |             let mut m = 0.;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let mut m_index = 0;
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 113 |             let mut m_index = 0;
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "e822557a55d370d4b7a512cb49d34a5f12f5347207bcef1a3712fc94a6bc03a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e822557a55d370d4b7a512cb49d34a5f12f5347207bcef1a3712fc94a6bc03a9", kill_on_drop: false }`
[INFO] [stdout] e822557a55d370d4b7a512cb49d34a5f12f5347207bcef1a3712fc94a6bc03a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc906a4bbef81014fff38d63b6830e930c4f14babb8e0bbe2731e08a737d3bb0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fc906a4bbef81014fff38d63b6830e930c4f14babb8e0bbe2731e08a737d3bb0", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `m_index`
[INFO] [stdout]    --> src/lib.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let mut m_index = 0;
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_m_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ma_rgl v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `m` is never read
[INFO] [stdout]    --> src/lib.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let mut m = 0.;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m_index`
[INFO] [stdout]    --> src/lib.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 113 |             let mut m_index = 0;
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_m_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `m` is never read
[INFO] [stdout]    --> src/lib.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |             let mut m = 0.;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let mut m_index = 0;
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 113 |             let mut m_index = 0;
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m_index`
[INFO] [stdout]    --> src/lib.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let mut m_index = 0;
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_m_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `m` is never read
[INFO] [stdout]    --> src/lib.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let mut m = 0.;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m_index`
[INFO] [stdout]    --> src/lib.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 113 |             let mut m_index = 0;
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_m_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `m` is never read
[INFO] [stdout]    --> src/lib.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |             let mut m = 0.;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let mut m_index = 0;
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 113 |             let mut m_index = 0;
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "fc906a4bbef81014fff38d63b6830e930c4f14babb8e0bbe2731e08a737d3bb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc906a4bbef81014fff38d63b6830e930c4f14babb8e0bbe2731e08a737d3bb0", kill_on_drop: false }`
[INFO] [stdout] fc906a4bbef81014fff38d63b6830e930c4f14babb8e0bbe2731e08a737d3bb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9b4e50b221639068b2cf9331f76be7c7251b22f402e613005fe5251246a07622
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9b4e50b221639068b2cf9331f76be7c7251b22f402e613005fe5251246a07622", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `m_index`
[INFO] [stderr]    --> src/lib.rs:103:17
[INFO] [stderr]     |
[INFO] [stderr] 103 |             let mut m_index = 0;
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_m_index`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `m` is never read
[INFO] [stderr]    --> src/lib.rs:104:17
[INFO] [stderr]     |
[INFO] [stderr] 104 |             let mut m = 0.;
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m_index`
[INFO] [stderr]    --> src/lib.rs:113:17
[INFO] [stderr]     |
[INFO] [stderr] 113 |             let mut m_index = 0;
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_m_index`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `m` is never read
[INFO] [stderr]    --> src/lib.rs:114:17
[INFO] [stderr]     |
[INFO] [stderr] 114 |             let mut m = 0.;
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m_index`
[INFO] [stderr]    --> src/lib.rs:103:17
[INFO] [stderr]     |
[INFO] [stderr] 103 |             let mut m_index = 0;
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_m_index`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `m` is never read
[INFO] [stderr]    --> src/lib.rs:104:17
[INFO] [stderr]     |
[INFO] [stderr] 104 |             let mut m = 0.;
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m_index`
[INFO] [stderr]    --> src/lib.rs:113:17
[INFO] [stderr]     |
[INFO] [stderr] 113 |             let mut m_index = 0;
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_m_index`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `m` is never read
[INFO] [stderr]    --> src/lib.rs:114:17
[INFO] [stderr]     |
[INFO] [stderr] 114 |             let mut m = 0.;
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:103:17
[INFO] [stderr]     |
[INFO] [stderr] 103 |             let mut m_index = 0;
[INFO] [stderr]     |                 ----^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:113:17
[INFO] [stderr]     |
[INFO] [stderr] 113 |             let mut m_index = 0;
[INFO] [stderr]     |                 ----^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:103:17
[INFO] [stderr]     |
[INFO] [stderr] 103 |             let mut m_index = 0;
[INFO] [stderr]     |                 ----^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:113:17
[INFO] [stderr]     |
[INFO] [stderr] 113 |             let mut m_index = 0;
[INFO] [stderr]     |                 ----^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ma_rgl-10893da7735a7ef6
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ma_rgl
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9b4e50b221639068b2cf9331f76be7c7251b22f402e613005fe5251246a07622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b4e50b221639068b2cf9331f76be7c7251b22f402e613005fe5251246a07622", kill_on_drop: false }`
[INFO] [stdout] 9b4e50b221639068b2cf9331f76be7c7251b22f402e613005fe5251246a07622
