[INFO] cloning repository https://github.com/vandvag/fem-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vandvag/fem-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvandvag%2Ffem-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvandvag%2Ffem-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db23403319a421b81372fe8456d32f5661d71f0f
[INFO] checking vandvag/fem-rust against try#1bd50d4315eb15970d395b6be5823f9384707693 for pr-140151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvandvag%2Ffem-rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vandvag/fem-rust on toolchain 1bd50d4315eb15970d395b6be5823f9384707693
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vandvag/fem-rust
[INFO] finished tweaking git repo https://github.com/vandvag/fem-rust
[INFO] tweaked toml for git repo https://github.com/vandvag/fem-rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/vandvag/fem-rust 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" "+1bd50d4315eb15970d395b6be5823f9384707693" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] [stderr]       Adding ndarray v0.15.6 (available: v0.16.1)
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b695ffb3caab7464927f44b59d04b5ac5f481e028166ce063a6fb8914818193
[INFO] running `Command { std: "docker" "start" "-a" "9b695ffb3caab7464927f44b59d04b5ac5f481e028166ce063a6fb8914818193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b695ffb3caab7464927f44b59d04b5ac5f481e028166ce063a6fb8914818193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b695ffb3caab7464927f44b59d04b5ac5f481e028166ce063a6fb8914818193", kill_on_drop: false }`
[INFO] [stdout] 9b695ffb3caab7464927f44b59d04b5ac5f481e028166ce063a6fb8914818193
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 301f1f7779b9884b1f405128a8f4cf3f68e4ead03ab6de69673433989112d179
[INFO] running `Command { std: "docker" "start" "-a" "301f1f7779b9884b1f405128a8f4cf3f68e4ead03ab6de69673433989112d179", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking bytemuck v1.7.3
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking wide v0.7.4
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking simba v0.7.1
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]     Checking nalgebra v0.30.1
[INFO] [stderr]     Checking fem_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `num_dof_dirich`
[INFO] [stdout]   --> src/discretization.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut num_dof_dirich = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_dof_dirich`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_dof_solve`
[INFO] [stdout]   --> src/discretization.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut num_dof_solve = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_dof_solve`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_dof_total`
[INFO] [stdout]   --> src/discretization.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut num_dof_total = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_dof_total`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/discretization.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut num_dof_dirich = 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/discretization.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut num_dof_solve = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/discretization.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut num_dof_total = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `xi` is never read
[INFO] [stdout]   --> src/element.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let mut xi = 0_f64;
[INFO] [stdout]    |                 ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `eta` is never read
[INFO] [stdout]   --> src/element.rs:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let mut eta = 0_f64;
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `omega_gp` is never read
[INFO] [stdout]   --> src/element.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut omega_gp = 0_f64;
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mat` is never read
[INFO] [stdout]   --> src/element.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Element<'a> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 32 |     mat: &'a Material, // Reference to a material
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_statlin` is never used
[INFO] [stdout]   --> src/element.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Element<'_> {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn get_statlin(&self) -> SMatrix<f64, 8, 8> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mat_matrix` is never read
[INFO] [stdout]  --> src/material.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Material {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     mat_matrix: Matrix3<f64>,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Material` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_mat_matrix` is never used
[INFO] [stdout]   --> src/material.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Material {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn get_mat_matrix(&self) -> Matrix3<f64> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_coords` is never used
[INFO] [stdout]   --> src/node.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl Node {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn get_coords(&self) -> &Vec<f64> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_dof_dirich`
[INFO] [stdout]   --> src/discretization.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut num_dof_dirich = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_dof_dirich`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_dof_solve`
[INFO] [stdout]   --> src/discretization.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut num_dof_solve = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_dof_solve`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_dof_total`
[INFO] [stdout]   --> src/discretization.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut num_dof_total = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_dof_total`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/discretization.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut num_dof_dirich = 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/discretization.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut num_dof_solve = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/discretization.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut num_dof_total = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `xi` is never read
[INFO] [stdout]   --> src/element.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let mut xi = 0_f64;
[INFO] [stdout]    |                 ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `eta` is never read
[INFO] [stdout]   --> src/element.rs:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let mut eta = 0_f64;
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `omega_gp` is never read
[INFO] [stdout]   --> src/element.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut omega_gp = 0_f64;
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mat` is never read
[INFO] [stdout]   --> src/element.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Element<'a> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 32 |     mat: &'a Material, // Reference to a material
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_statlin` is never used
[INFO] [stdout]   --> src/element.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Element<'_> {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn get_statlin(&self) -> SMatrix<f64, 8, 8> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mat_matrix` is never read
[INFO] [stdout]  --> src/material.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Material {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     mat_matrix: Matrix3<f64>,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Material` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_mat_matrix` is never used
[INFO] [stdout]   --> src/material.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Material {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn get_mat_matrix(&self) -> Matrix3<f64> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_coords` is never used
[INFO] [stdout]   --> src/node.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl Node {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn get_coords(&self) -> &Vec<f64> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.13s
[INFO] running `Command { std: "docker" "inspect" "301f1f7779b9884b1f405128a8f4cf3f68e4ead03ab6de69673433989112d179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "301f1f7779b9884b1f405128a8f4cf3f68e4ead03ab6de69673433989112d179", kill_on_drop: false }`
[INFO] [stdout] 301f1f7779b9884b1f405128a8f4cf3f68e4ead03ab6de69673433989112d179
