[INFO] fetching crate trussx 0.1.3...
[INFO] checking trussx-0.1.3 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate trussx 0.1.3 into /workspace/builds/worker-47/source
[INFO] validating manifest of crates.io crate trussx 0.1.3 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trussx 0.1.3
[INFO] finished tweaking crates.io crate trussx 0.1.3
[INFO] tweaked toml for crates.io crate trussx 0.1.3 written to /workspace/builds/worker-47/source/Cargo.toml
[INFO] crate crates.io crate trussx 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0d4d4b9183dc4c56561924000406e6ea991922b78f68ba858c551ef59ebb72c
[INFO] running `Command { std: "docker" "start" "-a" "d0d4d4b9183dc4c56561924000406e6ea991922b78f68ba858c551ef59ebb72c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0d4d4b9183dc4c56561924000406e6ea991922b78f68ba858c551ef59ebb72c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0d4d4b9183dc4c56561924000406e6ea991922b78f68ba858c551ef59ebb72c", kill_on_drop: false }`
[INFO] [stdout] d0d4d4b9183dc4c56561924000406e6ea991922b78f68ba858c551ef59ebb72c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c23ab0cdde18f3fc7b52585ba87c44bdf8bdc765162d4f868b8edb98826e151
[INFO] running `Command { std: "docker" "start" "-a" "4c23ab0cdde18f3fc7b52585ba87c44bdf8bdc765162d4f868b8edb98826e151", kill_on_drop: false }`
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking structural-shapes v0.1.5
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking trussx v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `stiffness_matrix`
[INFO] [stdout]    --> src/lib.rs:204:13
[INFO] [stdout]     |
[INFO] [stdout] 204 |         let stiffness_matrix = vec![vec![0.0; n * 3]; n * 3];
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stiffness_matrix`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `deflections`
[INFO] [stdout]    --> src/lib.rs:205:13
[INFO] [stdout]     |
[INFO] [stdout] 205 |         let deflections = vec![vec![0.0; 3]; n];
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_deflections`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `loads`
[INFO] [stdout]    --> src/lib.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |         let loads = vec![vec![0.0; 3]; n];
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_loads`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stiffness_matrix`
[INFO] [stdout]    --> src/lib.rs:204:13
[INFO] [stdout]     |
[INFO] [stdout] 204 |         let stiffness_matrix = vec![vec![0.0; n * 3]; n * 3];
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stiffness_matrix`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calculate_member_forces`
[INFO] [stdout]    --> src/lib.rs:202:8
[INFO] [stdout]     |
[INFO] [stdout] 202 |     fn calculate_member_forces(&mut self) {
[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: `calculate_member_stress`
[INFO] [stdout]    --> src/lib.rs:210:8
[INFO] [stdout]     |
[INFO] [stdout] 210 |     fn calculate_member_stress(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `deflections`
[INFO] [stdout]    --> src/lib.rs:205:13
[INFO] [stdout]     |
[INFO] [stdout] 205 |         let deflections = vec![vec![0.0; 3]; n];
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_deflections`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `loads`
[INFO] [stdout]    --> src/lib.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |         let loads = vec![vec![0.0; 3]; n];
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_loads`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calculate_member_forces`
[INFO] [stdout]    --> src/lib.rs:202:8
[INFO] [stdout]     |
[INFO] [stdout] 202 |     fn calculate_member_forces(&mut self) {
[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: `calculate_member_stress`
[INFO] [stdout]    --> src/lib.rs:210:8
[INFO] [stdout]     |
[INFO] [stdout] 210 |     fn calculate_member_stress(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `StructuralShape`
[INFO] [stdout]  --> examples/simple.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use trussx::{StructuralShape, Truss};
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ab`
[INFO] [stdout]  --> examples/simple.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let ab = x.add_edge(a, b);
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_ab`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.52s
[INFO] running `Command { std: "docker" "inspect" "4c23ab0cdde18f3fc7b52585ba87c44bdf8bdc765162d4f868b8edb98826e151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c23ab0cdde18f3fc7b52585ba87c44bdf8bdc765162d4f868b8edb98826e151", kill_on_drop: false }`
[INFO] [stdout] 4c23ab0cdde18f3fc7b52585ba87c44bdf8bdc765162d4f868b8edb98826e151