[INFO] cloning repository https://github.com/aryan-regmi/smsolver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aryan-regmi/smsolver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faryan-regmi%2Fsmsolver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faryan-regmi%2Fsmsolver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fea6b455b05531bacb8568db86b7644fe227f855 [INFO] checking aryan-regmi/smsolver against master#ca77504943887037504c7fc0b9bf06dab3910373 for pr-145181 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faryan-regmi%2Fsmsolver" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/aryan-regmi/smsolver [INFO] finished tweaking git repo https://github.com/aryan-regmi/smsolver [INFO] tweaked toml for git repo https://github.com/aryan-regmi/smsolver written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/aryan-regmi/smsolver on toolchain ca77504943887037504c7fc0b9bf06dab3910373 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/aryan-regmi/smsolver 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" "+ca77504943887037504c7fc0b9bf06dab3910373" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4f06626b86470e4b7b9aa17e5cec56290896cd3151a61a3c11136448fbb80ffa [INFO] running `Command { std: "docker" "start" "-a" "4f06626b86470e4b7b9aa17e5cec56290896cd3151a61a3c11136448fbb80ffa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4f06626b86470e4b7b9aa17e5cec56290896cd3151a61a3c11136448fbb80ffa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f06626b86470e4b7b9aa17e5cec56290896cd3151a61a3c11136448fbb80ffa", kill_on_drop: false }` [INFO] [stdout] 4f06626b86470e4b7b9aa17e5cec56290896cd3151a61a3c11136448fbb80ffa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 02ca7e0e86883ac7db419306f09428537f2a7d144113304b878a5b7417e649c9 [INFO] running `Command { std: "docker" "start" "-a" "02ca7e0e86883ac7db419306f09428537f2a7d144113304b878a5b7417e649c9", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling thiserror v1.0.56 [INFO] [stderr] Checking smsolver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/matrix.rs:490:13 [INFO] [stdout] | [INFO] [stdout] 490 | let mut q = { [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/matrix.rs:501:13 [INFO] [stdout] | [INFO] [stdout] 501 | let mut r = self.clone(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/matrix.rs:540:13 [INFO] [stdout] | [INFO] [stdout] 540 | let x = r.inverse().mul::(&q.transpose()); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function cannot return without recursing [INFO] [stdout] --> src/matrix.rs:537:5 [INFO] [stdout] | [INFO] [stdout] 537 | fn inverse(&self) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stdout] ... [INFO] [stdout] 540 | let x = r.inverse().mul::(&q.transpose()); [INFO] [stdout] | ----------- recursive call site [INFO] [stdout] | [INFO] [stdout] = help: a `loop` may express intention better if this is on purpose [INFO] [stdout] = note: `#[warn(unconditional_recursion)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/matrix.rs:545:24 [INFO] [stdout] | [INFO] [stdout] 545 | fn inverse_inplace(mut self) -> Self { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mat` [INFO] [stdout] --> src/system.rs:240:25 [INFO] [stdout] | [INFO] [stdout] 240 | fn qr_factorization(mat: Matrix) -> (Matrix, Matrix) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_mat` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `q` [INFO] [stdout] --> src/system.rs:248:14 [INFO] [stdout] | [INFO] [stdout] 248 | let (q, r) = System::qr_factorization(mat); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_q` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/system.rs:248:17 [INFO] [stdout] | [INFO] [stdout] 248 | let (q, r) = System::qr_factorization(mat); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ncols` [INFO] [stdout] --> src/system.rs:257:13 [INFO] [stdout] | [INFO] [stdout] 257 | let ncols = 2 * self.nodes.len(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_ncols` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/system.rs:259:13 [INFO] [stdout] | [INFO] [stdout] 259 | let a = self.a_matrix(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/system.rs:260:13 [INFO] [stdout] | [INFO] [stdout] 260 | let b = self.b_matrix()?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Compiling thiserror-impl v1.0.56 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/matrix.rs:490:13 [INFO] [stdout] | [INFO] [stdout] 490 | let mut q = { [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/matrix.rs:501:13 [INFO] [stdout] | [INFO] [stdout] 501 | let mut r = self.clone(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/matrix.rs:540:13 [INFO] [stdout] | [INFO] [stdout] 540 | let x = r.inverse().mul::(&q.transpose()); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function cannot return without recursing [INFO] [stdout] --> src/matrix.rs:537:5 [INFO] [stdout] | [INFO] [stdout] 537 | fn inverse(&self) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stdout] ... [INFO] [stdout] 540 | let x = r.inverse().mul::(&q.transpose()); [INFO] [stdout] | ----------- recursive call site [INFO] [stdout] | [INFO] [stdout] = help: a `loop` may express intention better if this is on purpose [INFO] [stdout] = note: `#[warn(unconditional_recursion)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/matrix.rs:545:24 [INFO] [stdout] | [INFO] [stdout] 545 | fn inverse_inplace(mut self) -> Self { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mat` [INFO] [stdout] --> src/system.rs:240:25 [INFO] [stdout] | [INFO] [stdout] 240 | fn qr_factorization(mat: Matrix) -> (Matrix, Matrix) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_mat` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `q` [INFO] [stdout] --> src/system.rs:248:14 [INFO] [stdout] | [INFO] [stdout] 248 | let (q, r) = System::qr_factorization(mat); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_q` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/system.rs:248:17 [INFO] [stdout] | [INFO] [stdout] 248 | let (q, r) = System::qr_factorization(mat); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ncols` [INFO] [stdout] --> src/system.rs:257:13 [INFO] [stdout] | [INFO] [stdout] 257 | let ncols = 2 * self.nodes.len(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_ncols` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/system.rs:259:13 [INFO] [stdout] | [INFO] [stdout] 259 | let a = self.a_matrix(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/system.rs:260:13 [INFO] [stdout] | [INFO] [stdout] 260 | let b = self.b_matrix()?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.65s [INFO] running `Command { std: "docker" "inspect" "02ca7e0e86883ac7db419306f09428537f2a7d144113304b878a5b7417e649c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02ca7e0e86883ac7db419306f09428537f2a7d144113304b878a5b7417e649c9", kill_on_drop: false }` [INFO] [stdout] 02ca7e0e86883ac7db419306f09428537f2a7d144113304b878a5b7417e649c9