[INFO] cloning repository https://github.com/Dialock/Math_Library
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dialock/Math_Library" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDialock%2FMath_Library", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDialock%2FMath_Library'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9f74a5ffe5f111bc817021c1d62d438170b3442
[INFO] testing Dialock/Math_Library 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%2FDialock%2FMath_Library" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dialock/Math_Library 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/Dialock/Math_Library
[INFO] finished tweaking git repo https://github.com/Dialock/Math_Library
[INFO] tweaked toml for git repo https://github.com/Dialock/Math_Library written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Dialock/Math_Library 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] ce3b60bae269b88b3320ef4573884d082be6e526bbe9170ff10b559b3f527457
[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" "ce3b60bae269b88b3320ef4573884d082be6e526bbe9170ff10b559b3f527457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce3b60bae269b88b3320ef4573884d082be6e526bbe9170ff10b559b3f527457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce3b60bae269b88b3320ef4573884d082be6e526bbe9170ff10b559b3f527457", kill_on_drop: false }`
[INFO] [stdout] ce3b60bae269b88b3320ef4573884d082be6e526bbe9170ff10b559b3f527457
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 7a7c12c0a2be91189c7ff8c34bdcec2a4707617822e6bbb75d5b418a09c959c7
[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" "7a7c12c0a2be91189c7ff8c34bdcec2a4707617822e6bbb75d5b418a09c959c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling math_library v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/matrices.rs:166:6
[INFO] [stdout]     |
[INFO] [stdout] 166 |     let mut tmp = matrix.mat[0+0*inv_matrix.width];
[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: function is never used: `single_op`
[INFO] [stdout]   --> src/matrices.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn single_op() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `multi_op`
[INFO] [stdout]   --> src/matrices.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn multi_op() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_var`
[INFO] [stdout]    --> src/matrices.rs:244:4
[INFO] [stdout]     |
[INFO] [stdout] 244 | fn get_var(s: String) -> usize {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `mat_A` should have a snake case name
[INFO] [stdout]    --> src/matrices.rs:281:23
[INFO] [stdout]     |
[INFO] [stdout] 281 | fn matrix_matrix_mult(mat_A: &mut MatrixT, mat_B: &mut MatrixT, mat_result: &mut MatrixT) {
[INFO] [stdout]     |                       ^^^^^ help: convert the identifier to snake case: `mat_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `mat_B` should have a snake case name
[INFO] [stdout]    --> src/matrices.rs:281:44
[INFO] [stdout]     |
[INFO] [stdout] 281 | fn matrix_matrix_mult(mat_A: &mut MatrixT, mat_B: &mut MatrixT, mat_result: &mut MatrixT) {
[INFO] [stdout]     |                                            ^^^^^ help: convert the identifier to snake case: `mat_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `Command { std: "docker" "inspect" "7a7c12c0a2be91189c7ff8c34bdcec2a4707617822e6bbb75d5b418a09c959c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a7c12c0a2be91189c7ff8c34bdcec2a4707617822e6bbb75d5b418a09c959c7", kill_on_drop: false }`
[INFO] [stdout] 7a7c12c0a2be91189c7ff8c34bdcec2a4707617822e6bbb75d5b418a09c959c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] cfdfc841710fee91cad462d0b8bd9cfab356a9a25b4657da42b21006d4cc4df2
[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" "cfdfc841710fee91cad462d0b8bd9cfab356a9a25b4657da42b21006d4cc4df2", kill_on_drop: false }`
[INFO] [stderr]    Compiling math_library v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/matrices.rs:166:6
[INFO] [stdout]     |
[INFO] [stdout] 166 |     let mut tmp = matrix.mat[0+0*inv_matrix.width];
[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: function is never used: `single_op`
[INFO] [stdout]   --> src/matrices.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn single_op() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `multi_op`
[INFO] [stdout]   --> src/matrices.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn multi_op() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_var`
[INFO] [stdout]    --> src/matrices.rs:244:4
[INFO] [stdout]     |
[INFO] [stdout] 244 | fn get_var(s: String) -> usize {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `mat_A` should have a snake case name
[INFO] [stdout]    --> src/matrices.rs:281:23
[INFO] [stdout]     |
[INFO] [stdout] 281 | fn matrix_matrix_mult(mat_A: &mut MatrixT, mat_B: &mut MatrixT, mat_result: &mut MatrixT) {
[INFO] [stdout]     |                       ^^^^^ help: convert the identifier to snake case: `mat_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `mat_B` should have a snake case name
[INFO] [stdout]    --> src/matrices.rs:281:44
[INFO] [stdout]     |
[INFO] [stdout] 281 | fn matrix_matrix_mult(mat_A: &mut MatrixT, mat_B: &mut MatrixT, mat_result: &mut MatrixT) {
[INFO] [stdout]     |                                            ^^^^^ help: convert the identifier to snake case: `mat_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "cfdfc841710fee91cad462d0b8bd9cfab356a9a25b4657da42b21006d4cc4df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfdfc841710fee91cad462d0b8bd9cfab356a9a25b4657da42b21006d4cc4df2", kill_on_drop: false }`
[INFO] [stdout] cfdfc841710fee91cad462d0b8bd9cfab356a9a25b4657da42b21006d4cc4df2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 488b51ae7b96e855e10d13a1e209d3d6c0d6757386e7a83a4b35f627220cfdb1
[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" "488b51ae7b96e855e10d13a1e209d3d6c0d6757386e7a83a4b35f627220cfdb1", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/matrices.rs:166:6
[INFO] [stderr]     |
[INFO] [stderr] 166 |     let mut tmp = matrix.mat[0+0*inv_matrix.width];
[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: function is never used: `single_op`
[INFO] [stderr]   --> src/matrices.rs:47:4
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn single_op() {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `multi_op`
[INFO] [stderr]   --> src/matrices.rs:83:4
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn multi_op() {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_var`
[INFO] [stderr]    --> src/matrices.rs:244:4
[INFO] [stderr]     |
[INFO] [stderr] 244 | fn get_var(s: String) -> usize {
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `mat_A` should have a snake case name
[INFO] [stderr]    --> src/matrices.rs:281:23
[INFO] [stderr]     |
[INFO] [stderr] 281 | fn matrix_matrix_mult(mat_A: &mut MatrixT, mat_B: &mut MatrixT, mat_result: &mut MatrixT) {
[INFO] [stderr]     |                       ^^^^^ help: convert the identifier to snake case: `mat_a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `mat_B` should have a snake case name
[INFO] [stderr]    --> src/matrices.rs:281:44
[INFO] [stderr]     |
[INFO] [stderr] 281 | fn matrix_matrix_mult(mat_A: &mut MatrixT, mat_B: &mut MatrixT, mat_result: &mut MatrixT) {
[INFO] [stderr]     |                                            ^^^^^ help: convert the identifier to snake case: `mat_b`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/math_library-a055f3dbdc66d477
[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] [stderr]      Running /opt/rustwide/target/debug/deps/math_library-963362c0257427d5
[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] [stderr]    Doc-tests math_library
[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" "488b51ae7b96e855e10d13a1e209d3d6c0d6757386e7a83a4b35f627220cfdb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "488b51ae7b96e855e10d13a1e209d3d6c0d6757386e7a83a4b35f627220cfdb1", kill_on_drop: false }`
[INFO] [stdout] 488b51ae7b96e855e10d13a1e209d3d6c0d6757386e7a83a4b35f627220cfdb1
