[INFO] fetching crate civil 0.1.7...
[INFO] checking civil-0.1.7 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate civil 0.1.7 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate civil 0.1.7 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate civil 0.1.7
[INFO] finished tweaking crates.io crate civil 0.1.7
[INFO] tweaked toml for crates.io crate civil 0.1.7 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8db356c2196ff53cb0812c3bdb2b01d61edbcee17412daafaa0e7a5ee0c19a94
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8db356c2196ff53cb0812c3bdb2b01d61edbcee17412daafaa0e7a5ee0c19a94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8db356c2196ff53cb0812c3bdb2b01d61edbcee17412daafaa0e7a5ee0c19a94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8db356c2196ff53cb0812c3bdb2b01d61edbcee17412daafaa0e7a5ee0c19a94", kill_on_drop: false }`
[INFO] [stdout] 8db356c2196ff53cb0812c3bdb2b01d61edbcee17412daafaa0e7a5ee0c19a94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3a85c56e787643ae0d3d4f50b19d7c0fe9e9f4cc9905fafd268d558ac2ff60a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d3a85c56e787643ae0d3d4f50b19d7c0fe9e9f4cc9905fafd268d558ac2ff60a", kill_on_drop: false }`
[INFO] [stderr]     Checking civil v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `crate::gauss_jordan_elimination`
[INFO] [stdout]   --> src/calc/gaussjordan.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | use crate::gauss_jordan_elimination;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `gauss_jordan_elimination` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/structural/beams/mod.rs:237:24
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub magnitude: Box<Fn(f64) -> f64>,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/structural/beams/mod.rs:237:24
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub magnitude: Box<Fn(f64) -> f64>,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/calc/calculus.rs:486:10
[INFO] [stdout]     |
[INFO] [stdout] 486 |         2...64 => {
[INFO] [stdout]     |          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/calc/calculus.rs:486:10
[INFO] [stdout]     |
[INFO] [stdout] 486 |         2...64 => {
[INFO] [stdout]     |          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `civil`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `augmented_matrix`
[INFO] [stdout]   --> src/calc/gaussjordan.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut augmented_matrix: Vec<Vec<f64>>;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_augmented_matrix`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `combined`
[INFO] [stdout]   --> src/calc/gaussjordan.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let combined = dbg!(tmp.append(&mut the_unit));
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_combined`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gauss_jordan_elimination`
[INFO] [stdout]  --> src/calc/gaussjordan.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn gauss_jordan_elimination(matrix:Vec<Vec<f64>>) -> Vec<Vec<f64>> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d3a85c56e787643ae0d3d4f50b19d7c0fe9e9f4cc9905fafd268d558ac2ff60a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3a85c56e787643ae0d3d4f50b19d7c0fe9e9f4cc9905fafd268d558ac2ff60a", kill_on_drop: false }`
[INFO] [stdout] d3a85c56e787643ae0d3d4f50b19d7c0fe9e9f4cc9905fafd268d558ac2ff60a