[INFO] cloning repository https://github.com/0xgb1/matrix_processor [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xgb1/matrix_processor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xgb1%2Fmatrix_processor", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xgb1%2Fmatrix_processor'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ddf58fe0fad3f752e44fcbfcc21d2e4de702354e [INFO] building 0xgb1/matrix_processor against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xgb1%2Fmatrix_processor" "/workspace/builds/worker-24/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/0xgb1/matrix_processor on toolchain 222c5724ecc922fe67815f428c19f82c129d9386 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/0xgb1/matrix_processor [INFO] finished tweaking git repo https://github.com/0xgb1/matrix_processor [INFO] tweaked toml for git repo https://github.com/0xgb1/matrix_processor written to /workspace/builds/worker-24/source/Cargo.toml [INFO] crate git repo https://github.com/0xgb1/matrix_processor already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2daa2f4e947bced83216968ffe915a6995146976ee776c479421b1b188c764b0 [INFO] running `Command { std: "docker" "start" "-a" "2daa2f4e947bced83216968ffe915a6995146976ee776c479421b1b188c764b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2daa2f4e947bced83216968ffe915a6995146976ee776c479421b1b188c764b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2daa2f4e947bced83216968ffe915a6995146976ee776c479421b1b188c764b0", kill_on_drop: false }` [INFO] [stdout] 2daa2f4e947bced83216968ffe915a6995146976ee776c479421b1b188c764b0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ce0595ce39ff045faefd10f6326e76433b15faaf322d4de789bc996acbcd4ee1 [INFO] running `Command { std: "docker" "start" "-a" "ce0595ce39ff045faefd10f6326e76433b15faaf322d4de789bc996acbcd4ee1", kill_on_drop: false }` [INFO] [stderr] Compiling matrix_processor v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `count` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:3:13 [INFO] [stdout] | [INFO] [stdout] 3 | let mut count = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_count` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `M` should have a snake case name [INFO] [stdout] --> src/lib.rs:1:14 [INFO] [stdout] | [INFO] [stdout] 1 | fn transpose(M: &Vec>) -> Vec> { [INFO] [stdout] | ^ help: convert the identifier to snake case: `m` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `def_2D_matrix` should have a snake case name [INFO] [stdout] --> src/lib.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn def_2D_matrix(m: usize, n: usize) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^ help: convert the identifier to snake case: `def_2_d_matrix` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `A` should have a snake case name [INFO] [stdout] --> src/lib.rs:38:13 [INFO] [stdout] | [INFO] [stdout] 38 | let mut A = Vec::with_capacity(m); [INFO] [stdout] | ^ help: convert the identifier to snake case: `a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `A` should have a snake case name [INFO] [stdout] --> src/lib.rs:45:26 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn multiply_matrices(A: Vec>, B: &Vec>) -> Vec> { [INFO] [stdout] | ^ help: convert the identifier to snake case: `a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `B` should have a snake case name [INFO] [stdout] --> src/lib.rs:45:44 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn multiply_matrices(A: Vec>, B: &Vec>) -> Vec> { [INFO] [stdout] | ^ help: convert the identifier to snake case: `b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `new_B` should have a snake case name [INFO] [stdout] --> src/lib.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 52 | let new_B = transpose(b_ref); [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `new_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `A` should have a snake case name [INFO] [stdout] --> src/lib.rs:63:21 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn matrix_power(A: Vec>, n: usize) -> Vec> { [INFO] [stdout] | ^ help: convert the identifier to snake case: `a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `A` should have a snake case name [INFO] [stdout] --> src/lib.rs:77:20 [INFO] [stdout] | [INFO] [stdout] 77 | pub fn determinant(A: Vec>) -> i64 { [INFO] [stdout] | ^ help: convert the identifier to snake case: `a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `A` should have a snake case name [INFO] [stdout] --> src/lib.rs:111:23 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn matrix_inverse(A: Vec>) -> (Vec>, u8, i64) { [INFO] [stdout] | ^ help: convert the identifier to snake case: `a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.08s [INFO] running `Command { std: "docker" "inspect" "ce0595ce39ff045faefd10f6326e76433b15faaf322d4de789bc996acbcd4ee1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce0595ce39ff045faefd10f6326e76433b15faaf322d4de789bc996acbcd4ee1", kill_on_drop: false }` [INFO] [stdout] ce0595ce39ff045faefd10f6326e76433b15faaf322d4de789bc996acbcd4ee1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a48cc0fd583fb8691e03e711082f81479b5376185826ef44f9de7b49d44bc5b3 [INFO] running `Command { std: "docker" "start" "-a" "a48cc0fd583fb8691e03e711082f81479b5376185826ef44f9de7b49d44bc5b3", kill_on_drop: false }` [INFO] [stderr] Compiling matrix_processor v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `count` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:3:13 [INFO] [stdout] | [INFO] [stdout] 3 | let mut count = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_count` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `M` should have a snake case name [INFO] [stdout] --> src/lib.rs:1:14 [INFO] [stdout] | [INFO] [stdout] 1 | fn transpose(M: &Vec>) -> Vec> { [INFO] [stdout] | ^ help: convert the identifier to snake case: `m` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `def_2D_matrix` should have a snake case name [INFO] [stdout] --> src/lib.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn def_2D_matrix(m: usize, n: usize) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^ help: convert the identifier to snake case: `def_2_d_matrix` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `A` should have a snake case name [INFO] [stdout] --> src/lib.rs:38:13 [INFO] [stdout] | [INFO] [stdout] 38 | let mut A = Vec::with_capacity(m); [INFO] [stdout] | ^ help: convert the identifier to snake case: `a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `A` should have a snake case name [INFO] [stdout] --> src/lib.rs:45:26 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn multiply_matrices(A: Vec>, B: &Vec>) -> Vec> { [INFO] [stdout] | ^ help: convert the identifier to snake case: `a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `B` should have a snake case name [INFO] [stdout] --> src/lib.rs:45:44 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn multiply_matrices(A: Vec>, B: &Vec>) -> Vec> { [INFO] [stdout] | ^ help: convert the identifier to snake case: `b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `new_B` should have a snake case name [INFO] [stdout] --> src/lib.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 52 | let new_B = transpose(b_ref); [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `new_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `A` should have a snake case name [INFO] [stdout] --> src/lib.rs:63:21 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn matrix_power(A: Vec>, n: usize) -> Vec> { [INFO] [stdout] | ^ help: convert the identifier to snake case: `a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `A` should have a snake case name [INFO] [stdout] --> src/lib.rs:77:20 [INFO] [stdout] | [INFO] [stdout] 77 | pub fn determinant(A: Vec>) -> i64 { [INFO] [stdout] | ^ help: convert the identifier to snake case: `a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `A` should have a snake case name [INFO] [stdout] --> src/lib.rs:111:23 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn matrix_inverse(A: Vec>) -> (Vec>, u8, i64) { [INFO] [stdout] | ^ help: convert the identifier to snake case: `a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `count` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:3:13 [INFO] [stdout] | [INFO] [stdout] 3 | let mut count = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_count` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `M` should have a snake case name [INFO] [stdout] --> src/lib.rs:1:14 [INFO] [stdout] | [INFO] [stdout] 1 | fn transpose(M: &Vec>) -> Vec> { [INFO] [stdout] | ^ help: convert the identifier to snake case: `m` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `def_2D_matrix` should have a snake case name [INFO] [stdout] --> src/lib.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn def_2D_matrix(m: usize, n: usize) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^ help: convert the identifier to snake case: `def_2_d_matrix` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `A` should have a snake case name [INFO] [stdout] --> src/lib.rs:38:13 [INFO] [stdout] | [INFO] [stdout] 38 | let mut A = Vec::with_capacity(m); [INFO] [stdout] | ^ help: convert the identifier to snake case: `a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `A` should have a snake case name [INFO] [stdout] --> src/lib.rs:45:26 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn multiply_matrices(A: Vec>, B: &Vec>) -> Vec> { [INFO] [stdout] | ^ help: convert the identifier to snake case: `a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `B` should have a snake case name [INFO] [stdout] --> src/lib.rs:45:44 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn multiply_matrices(A: Vec>, B: &Vec>) -> Vec> { [INFO] [stdout] | ^ help: convert the identifier to snake case: `b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `new_B` should have a snake case name [INFO] [stdout] --> src/lib.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 52 | let new_B = transpose(b_ref); [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `new_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `A` should have a snake case name [INFO] [stdout] --> src/lib.rs:63:21 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn matrix_power(A: Vec>, n: usize) -> Vec> { [INFO] [stdout] | ^ help: convert the identifier to snake case: `a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `A` should have a snake case name [INFO] [stdout] --> src/lib.rs:77:20 [INFO] [stdout] | [INFO] [stdout] 77 | pub fn determinant(A: Vec>) -> i64 { [INFO] [stdout] | ^ help: convert the identifier to snake case: `a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `A` should have a snake case name [INFO] [stdout] --> src/lib.rs:111:23 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn matrix_inverse(A: Vec>) -> (Vec>, u8, i64) { [INFO] [stdout] | ^ help: convert the identifier to snake case: `a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 5.97s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/matrix_operations-7621b204cbb78453) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/matrix_processor-157944baba1e2f4e) [INFO] running `Command { std: "docker" "inspect" "a48cc0fd583fb8691e03e711082f81479b5376185826ef44f9de7b49d44bc5b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a48cc0fd583fb8691e03e711082f81479b5376185826ef44f9de7b49d44bc5b3", kill_on_drop: false }` [INFO] [stdout] a48cc0fd583fb8691e03e711082f81479b5376185826ef44f9de7b49d44bc5b3