[INFO] cloning repository https://github.com/yberreby/simplex-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yberreby/simplex-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyberreby%2Fsimplex-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyberreby%2Fsimplex-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7962af33e74b20fceae2441eb61fdd1e505a2f7
[INFO] testing yberreby/simplex-rs against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyberreby%2Fsimplex-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yberreby/simplex-rs on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yberreby/simplex-rs
[INFO] finished tweaking git repo https://github.com/yberreby/simplex-rs
[INFO] tweaked toml for git repo https://github.com/yberreby/simplex-rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/yberreby/simplex-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c81b69827be005d4df708fb6c533b0a93d51a079b00166ff77035e2be91c0b58
[INFO] running `Command { std: "docker" "start" "-a" "c81b69827be005d4df708fb6c533b0a93d51a079b00166ff77035e2be91c0b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c81b69827be005d4df708fb6c533b0a93d51a079b00166ff77035e2be91c0b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c81b69827be005d4df708fb6c533b0a93d51a079b00166ff77035e2be91c0b58", kill_on_drop: false }`
[INFO] [stdout] c81b69827be005d4df708fb6c533b0a93d51a079b00166ff77035e2be91c0b58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ead9a645468ef19202dbdeb4d20c173d2f3389c540f20d22a15060c528a99431
[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" "ead9a645468ef19202dbdeb4d20c173d2f3389c540f20d22a15060c528a99431", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling simba v0.2.0
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling nalgebra v0.22.0
[INFO] [stderr]    Compiling simplex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]  --> src/solve.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn solve_problem(p: &Problem) -> Solution {
[INFO] [stdout]   |                      ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Num`
[INFO] [stdout]  --> src/data.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Num = f64;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `SMat`
[INFO] [stdout]  --> src/data.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | type SMat = nalgebra::MatrixN<Num, nalgebra::Dynamic>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `SVec`
[INFO] [stdout]   --> src/data.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | type SVec = nalgebra::DVector<Num>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `ConstraintKind`
[INFO] [stdout]   --> src/data.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum ConstraintKind {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Constraint`
[INFO] [stdout]   --> src/data.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Constraint {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/data.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ObjectiveFunction`
[INFO] [stdout]   --> src/data.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct ObjectiveFunction(pub SVec);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `VariableValues`
[INFO] [stdout]   --> src/data.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct VariableValues(pub SVec);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Solution`
[INFO] [stdout]   --> src/data.rs:56:1
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub type Solution = VariableValues;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Problem`
[INFO] [stdout]   --> src/data.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct Problem<'c> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_problem`
[INFO] [stdout]  --> src/solve.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn solve_problem(p: &Problem) -> Solution {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.26s
[INFO] running `Command { std: "docker" "inspect" "ead9a645468ef19202dbdeb4d20c173d2f3389c540f20d22a15060c528a99431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ead9a645468ef19202dbdeb4d20c173d2f3389c540f20d22a15060c528a99431", kill_on_drop: false }`
[INFO] [stdout] ead9a645468ef19202dbdeb4d20c173d2f3389c540f20d22a15060c528a99431
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7eabd3a1f3d6486fdf66252a213fa5304e81b8b4b3566aa4a910b20100ed1066
[INFO] running `Command { std: "docker" "start" "-a" "7eabd3a1f3d6486fdf66252a213fa5304e81b8b4b3566aa4a910b20100ed1066", kill_on_drop: false }`
[INFO] [stderr]    Compiling simplex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `s_coeffs` in this scope
[INFO] [stdout]   --> src/test.rs:50:34
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let e_s = VariableValues(s_coeffs);
[INFO] [stdout]    |                                  ^^^^^^^^ help: a local variable with a similar name exists: `o_coeffs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::solve::solve_problem`
[INFO] [stdout]  --> src/test.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     use crate::solve::solve_problem;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `assert_approx_eq::assert_approx_eq`
[INFO] [stdout]  --> src/test.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use assert_approx_eq::assert_approx_eq;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simplex`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7eabd3a1f3d6486fdf66252a213fa5304e81b8b4b3566aa4a910b20100ed1066", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eabd3a1f3d6486fdf66252a213fa5304e81b8b4b3566aa4a910b20100ed1066", kill_on_drop: false }`
[INFO] [stdout] 7eabd3a1f3d6486fdf66252a213fa5304e81b8b4b3566aa4a910b20100ed1066
