[INFO] fetching crate lp-modeler 0.5.0...
[INFO] checking lp-modeler-0.5.0 against master#4008bbdf34b583ce44a467043aae3703afc0a76f for pr-129249-2
[INFO] extracting crate lp-modeler 0.5.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate lp-modeler 0.5.0
[INFO] finished tweaking crates.io crate lp-modeler 0.5.0
[INFO] tweaked toml for crates.io crate lp-modeler 0.5.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lp-modeler 0.5.0 on toolchain 4008bbdf34b583ce44a467043aae3703afc0a76f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4008bbdf34b583ce44a467043aae3703afc0a76f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lp-modeler 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4008bbdf34b583ce44a467043aae3703afc0a76f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `lp-modeler` (manifest) generated 1 warning
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded minilp v0.2.2
[INFO] [stderr]   Downloaded coin_cbc v0.1.3
[INFO] [stderr]   Downloaded sprs v0.7.1
[INFO] [stderr]   Downloaded coin_cbc_sys v0.1.0
[INFO] [stderr]   Downloaded ndarray v0.13.1
[INFO] [stderr]   Downloaded libc v0.2.86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c37d307e3aa0b95a3eef843960ff80f13e3dbb6580e36c68d9f067bfffaab25d
[INFO] running `Command { std: "docker" "start" "c37d307e3aa0b95a3eef843960ff80f13e3dbb6580e36c68d9f067bfffaab25d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c37d307e3aa0b95a3eef843960ff80f13e3dbb6580e36c68d9f067bfffaab25d" "/opt/rustwide/cargo-home/bin/cargo" "+4008bbdf34b583ce44a467043aae3703afc0a76f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c37d307e3aa0b95a3eef843960ff80f13e3dbb6580e36c68d9f067bfffaab25d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c37d307e3aa0b95a3eef843960ff80f13e3dbb6580e36c68d9f067bfffaab25d" "/opt/rustwide/cargo-home/bin/cargo" "+4008bbdf34b583ce44a467043aae3703afc0a76f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `lp-modeler` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking lp-modeler v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `LpCompExpr` is never constructed
[INFO] [stdout]    --> src/dsl/variables.rs:161:19
[INFO] [stdout]     |
[INFO] [stdout] 161 | pub(crate) struct LpCompExpr {
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/solvers/mod.rs:76:81
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn with_problem(status: Status, results: HashMap<String, f32>, problem: &LpProblem) -> Solution {
[INFO] [stdout]    |                                                                                 ^^^^^^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                                                 |
[INFO] [stdout]    |                                                                                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn with_problem(status: Status, results: HashMap<String, f32>, problem: &LpProblem) -> Solution<'_> {
[INFO] [stdout]    |                                                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/solvers/mod.rs:105:42
[INFO] [stdout]     |
[INFO] [stdout] 105 |         assert!( is_zero( f-(i as f32)), format!("Value {} cannot be interpreted as integer.", f) );
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 105 -         assert!( is_zero( f-(i as f32)), format!("Value {} cannot be interpreted as integer.", f) );
[INFO] [stdout] 105 +         assert!( is_zero( f-(i as f32)), "Value {} cannot be interpreted as integer.", f );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LpCompExpr` is never constructed
[INFO] [stdout]    --> src/dsl/variables.rs:161:19
[INFO] [stdout]     |
[INFO] [stdout] 161 | pub(crate) struct LpCompExpr {
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EmptyExpr` is never constructed
[INFO] [stdout]    --> src/dsl/variables.rs:174:5
[INFO] [stdout]     |
[INFO] [stdout] 169 | pub(crate) enum LpExprNode {
[INFO] [stdout]     |                 ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 174 |     EmptyExpr,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `LpExprNode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/solvers/mod.rs:76:81
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn with_problem(status: Status, results: HashMap<String, f32>, problem: &LpProblem) -> Solution {
[INFO] [stdout]    |                                                                                 ^^^^^^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                                                 |
[INFO] [stdout]    |                                                                                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn with_problem(status: Status, results: HashMap<String, f32>, problem: &LpProblem) -> Solution<'_> {
[INFO] [stdout]    |                                                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/solvers/mod.rs:105:42
[INFO] [stdout]     |
[INFO] [stdout] 105 |         assert!( is_zero( f-(i as f32)), format!("Value {} cannot be interpreted as integer.", f) );
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 105 -         assert!( is_zero( f-(i as f32)), format!("Value {} cannot be interpreted as integer.", f) );
[INFO] [stdout] 105 +         assert!( is_zero( f-(i as f32)), "Value {} cannot be interpreted as integer.", f );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> examples/assignment.rs:64:29
[INFO] [stdout]    |
[INFO] [stdout] 64 |     assert!(result.is_ok(), result.unwrap_err());
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 64 |     assert!(result.is_ok(), "{}", result.unwrap_err());
[INFO] [stdout]    |                             +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.50s
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/problems.rs:79:41
[INFO] [stdout]    |
[INFO] [stdout] 79 |         assert!(output1.contains(expr), format!("{} is not present",expr));
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 79 -         assert!(output1.contains(expr), format!("{} is not present",expr));
[INFO] [stdout] 79 +         assert!(output1.contains(expr), "{} is not present",expr);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/problems.rs:154:29
[INFO] [stdout]     |
[INFO] [stdout] 154 |     assert!(result.is_ok(), result.unwrap_err());
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 154 |     assert!(result.is_ok(), "{}", result.unwrap_err());
[INFO] [stdout]     |                             +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c37d307e3aa0b95a3eef843960ff80f13e3dbb6580e36c68d9f067bfffaab25d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c37d307e3aa0b95a3eef843960ff80f13e3dbb6580e36c68d9f067bfffaab25d", kill_on_drop: false }`
[INFO] [stdout] c37d307e3aa0b95a3eef843960ff80f13e3dbb6580e36c68d9f067bfffaab25d
