[INFO] updating cached repository https://github.com/ILoveEggs3/rust_machine_learning [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7731ccfe5c227303c2aeb65c7f7ed822e8e2eef3 [INFO] testing ILoveEggs3/rust_machine_learning against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FILoveEggs3%2Frust_machine_learning" "/workspace/builds/worker-3/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ILoveEggs3/rust_machine_learning on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/ILoveEggs3/rust_machine_learning [INFO] finished tweaking git repo https://github.com/ILoveEggs3/rust_machine_learning [INFO] tweaked toml for git repo https://github.com/ILoveEggs3/rust_machine_learning written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/ILoveEggs3/rust_machine_learning already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b040080a5e78c3ad8a8b917d499fec1fcd185d8cfbf5f32a7c8c89ccf0698fd6 [INFO] running `"docker" "start" "-a" "b040080a5e78c3ad8a8b917d499fec1fcd185d8cfbf5f32a7c8c89ccf0698fd6"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling machine_learning v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::cmp` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::cmp; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `MatrixMatrixMul`, `Matrix`, `Mul`, `PushMultiple` [INFO] [stderr] --> src/main.rs:428:17 [INFO] [stderr] | [INFO] [stderr] 428 | use super::{Matrix, MatrixMatrixMul, Mul, PushMultiple}; [INFO] [stderr] | ^^^^^^ ^^^^^^^^^^^^^^^ ^^^ ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `actual` is assigned to, but never used [INFO] [stderr] --> src/main.rs:378:9 [INFO] [stderr] | [INFO] [stderr] 378 | let actual; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_actual` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `actual` is never read [INFO] [stderr] --> src/main.rs:383:5 [INFO] [stderr] | [INFO] [stderr] 383 | actual = Matrix::det(&matrix); [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: variable `actual` is assigned to, but never used [INFO] [stderr] --> src/main.rs:390:9 [INFO] [stderr] | [INFO] [stderr] 390 | let actual; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_actual` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `actual` is never read [INFO] [stderr] --> src/main.rs:395:5 [INFO] [stderr] | [INFO] [stderr] 395 | actual = Matrix::det(&matrix); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `m` [INFO] [stderr] --> src/main.rs:84:12 [INFO] [stderr] | [INFO] [stderr] 84 | fn det(m: &Matrix) -> T { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `m` [INFO] [stderr] --> src/main.rs:90:12 [INFO] [stderr] | [INFO] [stderr] 90 | fn det(m: &Minor) -> T { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `SquaredMatrix` [INFO] [stderr] --> src/main.rs:30:8 [INFO] [stderr] | [INFO] [stderr] 30 | struct SquaredMatrix { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `question_photo_main` [INFO] [stderr] --> src/main.rs:571:12 [INFO] [stderr] | [INFO] [stderr] 571 | pub fn question_photo_main() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/main.rs:622:12 [INFO] [stderr] | [INFO] [stderr] 622 | fn new(m: u32, n: u32) -> Summation { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: structure field `M` should have a snake case name [INFO] [stderr] --> src/main.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | M: usize, [INFO] [stderr] | ^ help: convert the identifier to snake case: `m` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: structure field `N` should have a snake case name [INFO] [stderr] --> src/main.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | N: usize, [INFO] [stderr] | ^ help: convert the identifier to snake case: `n` [INFO] [stderr] [INFO] [stderr] warning: 13 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.28s [INFO] running `"docker" "inspect" "b040080a5e78c3ad8a8b917d499fec1fcd185d8cfbf5f32a7c8c89ccf0698fd6"` [INFO] running `"docker" "rm" "-f" "b040080a5e78c3ad8a8b917d499fec1fcd185d8cfbf5f32a7c8c89ccf0698fd6"` [INFO] [stdout] b040080a5e78c3ad8a8b917d499fec1fcd185d8cfbf5f32a7c8c89ccf0698fd6 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stdout] ecdd71604aeaceaba7cb2687b10a6a838aff37efde5672e890b017f4f97cc659 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "ecdd71604aeaceaba7cb2687b10a6a838aff37efde5672e890b017f4f97cc659"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling machine_learning v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::cmp` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::cmp; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Mul` [INFO] [stderr] --> src/main.rs:428:42 [INFO] [stderr] | [INFO] [stderr] 428 | use super::{Matrix, MatrixMatrixMul, Mul, PushMultiple}; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `actual` is assigned to, but never used [INFO] [stderr] --> src/main.rs:378:9 [INFO] [stderr] | [INFO] [stderr] 378 | let actual; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_actual` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `actual` is never read [INFO] [stderr] --> src/main.rs:383:5 [INFO] [stderr] | [INFO] [stderr] 383 | actual = Matrix::det(&matrix); [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: variable `actual` is assigned to, but never used [INFO] [stderr] --> src/main.rs:390:9 [INFO] [stderr] | [INFO] [stderr] 390 | let actual; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_actual` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `actual` is never read [INFO] [stderr] --> src/main.rs:395:5 [INFO] [stderr] | [INFO] [stderr] 395 | actual = Matrix::det(&matrix); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `m` [INFO] [stderr] --> src/main.rs:84:12 [INFO] [stderr] | [INFO] [stderr] 84 | fn det(m: &Matrix) -> T { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `m` [INFO] [stderr] --> src/main.rs:90:12 [INFO] [stderr] | [INFO] [stderr] 90 | fn det(m: &Minor) -> T { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `SquaredMatrix` [INFO] [stderr] --> src/main.rs:30:8 [INFO] [stderr] | [INFO] [stderr] 30 | struct SquaredMatrix { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `question_photo_main` [INFO] [stderr] --> src/main.rs:571:12 [INFO] [stderr] | [INFO] [stderr] 571 | pub fn question_photo_main() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/main.rs:622:12 [INFO] [stderr] | [INFO] [stderr] 622 | fn new(m: u32, n: u32) -> Summation { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: structure field `M` should have a snake case name [INFO] [stderr] --> src/main.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | M: usize, [INFO] [stderr] | ^ help: convert the identifier to snake case: `m` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: structure field `N` should have a snake case name [INFO] [stderr] --> src/main.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | N: usize, [INFO] [stderr] | ^ help: convert the identifier to snake case: `n` [INFO] [stderr] [INFO] [stderr] warning: 13 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.32s [INFO] running `"docker" "inspect" "ecdd71604aeaceaba7cb2687b10a6a838aff37efde5672e890b017f4f97cc659"` [INFO] running `"docker" "rm" "-f" "ecdd71604aeaceaba7cb2687b10a6a838aff37efde5672e890b017f4f97cc659"` [INFO] [stdout] ecdd71604aeaceaba7cb2687b10a6a838aff37efde5672e890b017f4f97cc659 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] fc89b510725df57b25c29e948cfea3bd084fd7f27d15b9c527e61f6fb23ab1aa [INFO] running `"docker" "start" "-a" "fc89b510725df57b25c29e948cfea3bd084fd7f27d15b9c527e61f6fb23ab1aa"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused import: `std::cmp` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::cmp; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Mul` [INFO] [stderr] --> src/main.rs:428:42 [INFO] [stderr] | [INFO] [stderr] 428 | use super::{Matrix, MatrixMatrixMul, Mul, PushMultiple}; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `actual` is assigned to, but never used [INFO] [stderr] --> src/main.rs:378:9 [INFO] [stderr] | [INFO] [stderr] 378 | let actual; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_actual` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `actual` is never read [INFO] [stderr] --> src/main.rs:383:5 [INFO] [stderr] | [INFO] [stderr] 383 | actual = Matrix::det(&matrix); [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: variable `actual` is assigned to, but never used [INFO] [stderr] --> src/main.rs:390:9 [INFO] [stderr] | [INFO] [stderr] 390 | let actual; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_actual` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `actual` is never read [INFO] [stderr] --> src/main.rs:395:5 [INFO] [stderr] | [INFO] [stderr] 395 | actual = Matrix::det(&matrix); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `m` [INFO] [stderr] --> src/main.rs:84:12 [INFO] [stderr] | [INFO] [stderr] 84 | fn det(m: &Matrix) -> T { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `m` [INFO] [stderr] --> src/main.rs:90:12 [INFO] [stderr] | [INFO] [stderr] 90 | fn det(m: &Minor) -> T { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `SquaredMatrix` [INFO] [stderr] --> src/main.rs:30:8 [INFO] [stderr] | [INFO] [stderr] 30 | struct SquaredMatrix { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `question_photo_main` [INFO] [stderr] --> src/main.rs:571:12 [INFO] [stderr] | [INFO] [stderr] 571 | pub fn question_photo_main() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/main.rs:622:12 [INFO] [stderr] | [INFO] [stderr] 622 | fn new(m: u32, n: u32) -> Summation { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: structure field `M` should have a snake case name [INFO] [stderr] --> src/main.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | M: usize, [INFO] [stderr] | ^ help: convert the identifier to snake case: `m` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: structure field `N` should have a snake case name [INFO] [stderr] --> src/main.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | N: usize, [INFO] [stderr] | ^ help: convert the identifier to snake case: `n` [INFO] [stderr] [INFO] [stderr] warning: 13 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/machine_learning-19b789e1c4c5375d [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test tests::test_determinant_2x2 ... ok [INFO] [stdout] test tests::test_determinant_3x3 ... ok [INFO] [stdout] test tests::test_index ... ok [INFO] [stdout] test tests::test_matrix_eq ... ok [INFO] [stdout] test tests::test_matrix_new_identity ... ok [INFO] [stdout] test tests::test_push_multiple ... ok [INFO] [stdout] test tests::test_matrix_matrix_mul ... ok [INFO] [stdout] test tests::test_determinant_4x4 ... ok [INFO] [stdout] test tests::test_determinant_5x5 ... ok [INFO] [stdout] test tests::test_determinant_1x1 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "fc89b510725df57b25c29e948cfea3bd084fd7f27d15b9c527e61f6fb23ab1aa"` [INFO] running `"docker" "rm" "-f" "fc89b510725df57b25c29e948cfea3bd084fd7f27d15b9c527e61f6fb23ab1aa"` [INFO] [stdout] fc89b510725df57b25c29e948cfea3bd084fd7f27d15b9c527e61f6fb23ab1aa