[INFO] fetching crate milp-types 0.0.1...
[INFO] testing milp-types-0.0.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate milp-types 0.0.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate milp-types 0.0.1
[INFO] finished tweaking crates.io crate milp-types 0.0.1
[INFO] tweaked toml for crates.io crate milp-types 0.0.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate milp-types 0.0.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 37 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded latexify v0.0.0
[INFO] [stderr]   Downloaded lp-types v0.0.0
[INFO] [stderr]   Downloaded sprs v0.11.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 369461c02a342747d0bd5da664d6e90176dc00f616e67611a18f5e548added39
[INFO] running `Command { std: "docker" "start" "-a" "369461c02a342747d0bd5da664d6e90176dc00f616e67611a18f5e548added39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "369461c02a342747d0bd5da664d6e90176dc00f616e67611a18f5e548added39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "369461c02a342747d0bd5da664d6e90176dc00f616e67611a18f5e548added39", kill_on_drop: false }`
[INFO] [stdout] 369461c02a342747d0bd5da664d6e90176dc00f616e67611a18f5e548added39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7caadeb43beb7b3a50dbe09bc7ecf87f4de3b5e3ec9bc63ec6b1554fd7bf4678
[INFO] running `Command { std: "docker" "start" "-a" "7caadeb43beb7b3a50dbe09bc7ecf87f4de3b5e3ec9bc63ec6b1554fd7bf4678", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling latexify v0.0.0
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling alga v0.9.3
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling sprs v0.11.3
[INFO] [stderr]    Compiling lp-types v0.0.0
[INFO] [stderr]    Compiling milp-types v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.26s
[INFO] running `Command { std: "docker" "inspect" "7caadeb43beb7b3a50dbe09bc7ecf87f4de3b5e3ec9bc63ec6b1554fd7bf4678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7caadeb43beb7b3a50dbe09bc7ecf87f4de3b5e3ec9bc63ec6b1554fd7bf4678", kill_on_drop: false }`
[INFO] [stdout] 7caadeb43beb7b3a50dbe09bc7ecf87f4de3b5e3ec9bc63ec6b1554fd7bf4678
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bd0cac65d64ff990481a2035021ebdc917bbeaea2019e70b5e57985fc0dcae3
[INFO] running `Command { std: "docker" "start" "-a" "9bd0cac65d64ff990481a2035021ebdc917bbeaea2019e70b5e57985fc0dcae3", kill_on_drop: false }`
[INFO] [stderr]    Compiling milp-types v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LinearEquation`
[INFO] [stdout]   --> src/solver/mod.rs:49:18
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut e1 = LinearEquation::new(LinearConstraint::le(1.0)).unwrap();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ use of undeclared type `LinearEquation`
[INFO] [stdout]    |
[INFO] [stdout]    = note: struct `crate::mixed::display::LinearEquation` exists but is inaccessible
[INFO] [stdout] help: a struct with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 49 -     let mut e1 = LinearEquation::new(LinearConstraint::le(1.0)).unwrap();
[INFO] [stdout] 49 +     let mut e1 = MixedEquation::new(LinearConstraint::le(1.0)).unwrap();
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  1 + use lp_types::LinearEquation;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LinearConstraint`
[INFO] [stdout]   --> src/solver/mod.rs:49:38
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut e1 = LinearEquation::new(LinearConstraint::le(1.0)).unwrap();
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^ use of undeclared type `LinearConstraint`
[INFO] [stdout]    |
[INFO] [stdout]    = note: enum `crate::mixed::display::LinearConstraint` exists but is inaccessible
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]    |
[INFO] [stdout]  1 + use lp_types::LinearConstraint;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LinearEquation`
[INFO] [stdout]   --> src/solver/mod.rs:54:18
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let mut e2 = LinearEquation::new(LinearConstraint::le(2.0)).unwrap();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ use of undeclared type `LinearEquation`
[INFO] [stdout]    |
[INFO] [stdout]    = note: struct `crate::mixed::display::LinearEquation` exists but is inaccessible
[INFO] [stdout] help: a struct with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 54 -     let mut e2 = LinearEquation::new(LinearConstraint::le(2.0)).unwrap();
[INFO] [stdout] 54 +     let mut e2 = MixedEquation::new(LinearConstraint::le(2.0)).unwrap();
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  1 + use lp_types::LinearEquation;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LinearConstraint`
[INFO] [stdout]   --> src/solver/mod.rs:54:38
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let mut e2 = LinearEquation::new(LinearConstraint::le(2.0)).unwrap();
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^ use of undeclared type `LinearConstraint`
[INFO] [stdout]    |
[INFO] [stdout]    = note: enum `crate::mixed::display::LinearConstraint` exists but is inaccessible
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]    |
[INFO] [stdout]  1 + use lp_types::LinearConstraint;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LinearVariable`
[INFO] [stdout]   --> src/solver/mod.rs:59:26
[INFO] [stdout]    |
[INFO] [stdout] 59 |     problem.add_variable(LinearVariable::le("x", 1.0));
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^ use of undeclared type `LinearVariable`
[INFO] [stdout]    |
[INFO] [stdout]    = note: struct `crate::mixed::display::LinearVariable` exists but is inaccessible
[INFO] [stdout] help: a struct with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 59 -     problem.add_variable(LinearVariable::le("x", 1.0));
[INFO] [stdout] 59 +     problem.add_variable(MixedVariable::le("x", 1.0));
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  1 + use lp_types::LinearVariable;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LinearVariable`
[INFO] [stdout]   --> src/solver/mod.rs:60:26
[INFO] [stdout]    |
[INFO] [stdout] 60 |     problem.add_variable(LinearVariable::le("y", 1.0));
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^ use of undeclared type `LinearVariable`
[INFO] [stdout]    |
[INFO] [stdout]    = note: struct `crate::mixed::display::LinearVariable` exists but is inaccessible
[INFO] [stdout] help: a struct with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 60 -     problem.add_variable(LinearVariable::le("y", 1.0));
[INFO] [stdout] 60 +     problem.add_variable(MixedVariable::le("y", 1.0));
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  1 + use lp_types::LinearVariable;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LinearVariable`
[INFO] [stdout]   --> src/solver/mod.rs:61:26
[INFO] [stdout]    |
[INFO] [stdout] 61 |     problem.add_variable(LinearVariable::le("z", 1.0));
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^ use of undeclared type `LinearVariable`
[INFO] [stdout]    |
[INFO] [stdout]    = note: struct `crate::mixed::display::LinearVariable` exists but is inaccessible
[INFO] [stdout] help: a struct with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 61 -     problem.add_variable(LinearVariable::le("z", 1.0));
[INFO] [stdout] 61 +     problem.add_variable(MixedVariable::le("z", 1.0));
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  1 + use lp_types::LinearVariable;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `milp-types` (lib test) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9bd0cac65d64ff990481a2035021ebdc917bbeaea2019e70b5e57985fc0dcae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bd0cac65d64ff990481a2035021ebdc917bbeaea2019e70b5e57985fc0dcae3", kill_on_drop: false }`
[INFO] [stdout] 9bd0cac65d64ff990481a2035021ebdc917bbeaea2019e70b5e57985fc0dcae3
