[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] 24954021b3b6aa5c385ab770229d5f349023f522
[INFO] testing vandvag/fem-rust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvandvag%2Ffem-rust" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vandvag/fem-rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-12/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: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74394f6afc0256f876fd7982e954b4db633b9ece94c5b7950c99433d8ecf2f2e
[INFO] running `Command { std: "docker" "start" "-a" "74394f6afc0256f876fd7982e954b4db633b9ece94c5b7950c99433d8ecf2f2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74394f6afc0256f876fd7982e954b4db633b9ece94c5b7950c99433d8ecf2f2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74394f6afc0256f876fd7982e954b4db633b9ece94c5b7950c99433d8ecf2f2e", kill_on_drop: false }`
[INFO] [stdout] 74394f6afc0256f876fd7982e954b4db633b9ece94c5b7950c99433d8ecf2f2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 528920c6fab9dd29578b38bc6b5cc6f0dba73976920285a64d32c7c1fb4d6e75
[INFO] running `Command { std: "docker" "start" "-a" "528920c6fab9dd29578b38bc6b5cc6f0dba73976920285a64d32c7c1fb4d6e75", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling bytemuck v1.7.3
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling rawpointer v0.2.1
[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]    Compiling matrixmultiply v0.3.2
[INFO] [stderr]    Compiling safe_arch v0.6.0
[INFO] [stderr]    Compiling wide v0.7.4
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling simba v0.7.1
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling nalgebra v0.30.1
[INFO] [stderr]    Compiling 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: value assigned to `xi` is never read
[INFO] [stdout]   --> src/element.rs:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let mut xi = 0_f64;
[INFO] [stdout]    |                 ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `eta` is never read
[INFO] [stdout]   --> src/element.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |         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:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |         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: 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: field is never read: `mat`
[INFO] [stdout]   --> src/element.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     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: associated function is never used: `get_statlin`
[INFO] [stdout]   --> src/element.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn get_statlin(&self) -> SMatrix<f64, 8, 8> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mat_matrix`
[INFO] [stdout]  --> src/material.rs:7:5
[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]  --> src/material.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, Clone)]
[INFO] [stdout]   |          ^^^^^  ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_mat_matrix`
[INFO] [stdout]   --> src/material.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn get_mat_matrix(&self) -> Matrix3<f64> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_coords`
[INFO] [stdout]   --> src/node.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn get_coords(&self) -> &Vec<f64> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.91s
[INFO] running `Command { std: "docker" "inspect" "528920c6fab9dd29578b38bc6b5cc6f0dba73976920285a64d32c7c1fb4d6e75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "528920c6fab9dd29578b38bc6b5cc6f0dba73976920285a64d32c7c1fb4d6e75", kill_on_drop: false }`
[INFO] [stdout] 528920c6fab9dd29578b38bc6b5cc6f0dba73976920285a64d32c7c1fb4d6e75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 515064ce0c7de9549faeea29c717636b925851a52225b1566e13d88396f06c56
[INFO] running `Command { std: "docker" "start" "-a" "515064ce0c7de9549faeea29c717636b925851a52225b1566e13d88396f06c56", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "515064ce0c7de9549faeea29c717636b925851a52225b1566e13d88396f06c56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "515064ce0c7de9549faeea29c717636b925851a52225b1566e13d88396f06c56", kill_on_drop: false }`
[INFO] [stdout] 515064ce0c7de9549faeea29c717636b925851a52225b1566e13d88396f06c56