[INFO] fetching crate civil 0.1.7...
[INFO] testing civil-0.1.7 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate civil 0.1.7 into /workspace/builds/worker-0-tc1/source
[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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate civil 0.1.7 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `edition` is set on library `civil` which is deprecated
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ec15108509dd2bea78e8b424ca67bb368be589a21789d3530f1530ca76d50b6
[INFO] running `Command { std: "docker" "start" "-a" "3ec15108509dd2bea78e8b424ca67bb368be589a21789d3530f1530ca76d50b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ec15108509dd2bea78e8b424ca67bb368be589a21789d3530f1530ca76d50b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ec15108509dd2bea78e8b424ca67bb368be589a21789d3530f1530ca76d50b6", kill_on_drop: false }`
[INFO] [stdout] 3ec15108509dd2bea78e8b424ca67bb368be589a21789d3530f1530ca76d50b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7ff8cb9e460ba23954285715b350076b0a55a3893a435c88cdae8d6542a4bbc
[INFO] running `Command { std: "docker" "start" "-a" "d7ff8cb9e460ba23954285715b350076b0a55a3893a435c88cdae8d6542a4bbc", kill_on_drop: false }`
[INFO] [stderr] warning: `edition` is set on library `civil` which is deprecated
[INFO] [stderr]    Compiling civil v0.1.7 (/opt/rustwide/workdir)
[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]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) 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]     |                        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub magnitude: Box<dyn Fn(f64) -> f64>,
[INFO] [stdout]     |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` (part of `#[warn(unused)]`) 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 `gauss_jordan_elimination` is never used
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "d7ff8cb9e460ba23954285715b350076b0a55a3893a435c88cdae8d6542a4bbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7ff8cb9e460ba23954285715b350076b0a55a3893a435c88cdae8d6542a4bbc", kill_on_drop: false }`
[INFO] [stdout] d7ff8cb9e460ba23954285715b350076b0a55a3893a435c88cdae8d6542a4bbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6c8f7f79cf23d25904095c7332a5a8912fceaa8941094d8726442698ca826cc
[INFO] running `Command { std: "docker" "start" "-a" "d6c8f7f79cf23d25904095c7332a5a8912fceaa8941094d8726442698ca826cc", kill_on_drop: false }`
[INFO] [stderr] warning: `edition` is set on library `civil` which is deprecated
[INFO] [stderr]    Compiling civil v0.1.7 (/opt/rustwide/workdir)
[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]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) 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]     |                        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub magnitude: Box<dyn Fn(f64) -> f64>,
[INFO] [stdout]     |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` (part of `#[warn(unused)]`) 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 `gauss_jordan_elimination` is never used
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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: `...` 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]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) 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]     |                        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub magnitude: Box<dyn Fn(f64) -> f64>,
[INFO] [stdout]     |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` (part of `#[warn(unused)]`) 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] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `civil` (lib test) due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d6c8f7f79cf23d25904095c7332a5a8912fceaa8941094d8726442698ca826cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6c8f7f79cf23d25904095c7332a5a8912fceaa8941094d8726442698ca826cc", kill_on_drop: false }`
[INFO] [stdout] d6c8f7f79cf23d25904095c7332a5a8912fceaa8941094d8726442698ca826cc