[INFO] fetching crate mosekcomodel 0.4.3...
[INFO] testing mosekcomodel-0.4.3 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate mosekcomodel 0.4.3 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate mosekcomodel 0.4.3
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mosekcomodel 0.4.3
[INFO] tweaked toml for crates.io crate mosekcomodel 0.4.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mosekcomodel 0.4.3 on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mosekcomodel 0.4.3 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mosek v11.0.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc945a12308adb9abfa909159a133cf58c92f4b305d691e503da77e8f9c031b2
[INFO] running `Command { std: "docker" "start" "-a" "cc945a12308adb9abfa909159a133cf58c92f4b305d691e503da77e8f9c031b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc945a12308adb9abfa909159a133cf58c92f4b305d691e503da77e8f9c031b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc945a12308adb9abfa909159a133cf58c92f4b305d691e503da77e8f9c031b2", kill_on_drop: false }`
[INFO] [stdout] cc945a12308adb9abfa909159a133cf58c92f4b305d691e503da77e8f9c031b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 452553e8cd20909b57a65560b32665d65ab8e12ceb681c3005a12c48599e8675
[INFO] running `Command { std: "docker" "start" "-a" "452553e8cd20909b57a65560b32665d65ab8e12ceb681c3005a12c48599e8675", kill_on_drop: false }`
[INFO] [stderr]    Compiling mosek v11.0.16
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling mosekcomodel v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `itertools::Chunk`
[INFO] [stdout]  --> src/utils/iter.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use itertools::Chunk;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DJCDomainTrait`, `DJCModelTrait`, `ModelWithIntSolutionCallback`, `ModelWithLogCallback`, `PSDModelTrait`, and `VectorConeModelTrait`
[INFO] [stdout]  --> src/optserver/mod.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::model::{DJCDomainTrait, DJCModelTrait, ModelWithIntSolutionCallback, ModelWithLogCallback, PSDModelTrait, VectorConeModelTrait};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PermuteByMutEx`
[INFO] [stdout]  --> src/optserver/mod.rs:7:56
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::utils::iter::{ChunksByIterExt, PermuteByEx, PermuteByMutEx};
[INFO] [stdout]   |                                                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iproduct`
[INFO] [stdout]  --> src/optserver/mod.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use itertools::{iproduct, izip};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]   --> src/optserver/mod.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::fs::{write, File};
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/model/mod.rs:390:52
[INFO] [stdout]     |
[INFO] [stdout] 390 |     pub fn set_int_solution_callback<F>(&mut self, mut func : F) where F : 'static+FnMut(&IntSolutionManager), T : 'static+ModelWithIntSo...
[INFO] [stdout]     |                                                    ----^^^^
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/dummy.rs:190:10
[INFO] [stdout]     |
[INFO] [stdout] 190 |          name  : Option<&str>,
[INFO] [stdout]     |          ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/dummy.rs:253:10
[INFO] [stdout]     |
[INFO] [stdout] 253 |          name : Option<&str>, 
[INFO] [stdout]     |          ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lastcon`
[INFO] [stdout]    --> src/dummy.rs:407:13
[INFO] [stdout]     |
[INFO] [stdout] 407 |         let lastcon = firstcon+n;
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lastcon`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `con0`
[INFO] [stdout]    --> src/dummy.rs:421:13
[INFO] [stdout]     |
[INFO] [stdout] 421 |         let con0 = self.cons.len();
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_con0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/dummy.rs:387:9
[INFO] [stdout]     |
[INFO] [stdout] 387 |         name   : Option<&str>, 
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/dummy.rs:439:51
[INFO] [stdout]     |
[INFO] [stdout] 439 |     fn conic_variable<const N : usize>(&mut self, name : Option<&str>,dom : VectorDomain<N,D>) -> Result<Variable<N>,String> {
[INFO] [stdout]     |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/dummy.rs:499:13
[INFO] [stdout]     |
[INFO] [stdout] 499 |         for i in 0..ncones {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/dummy.rs:477:49
[INFO] [stdout]     |
[INFO] [stdout] 477 |     fn psd_variable<const N : usize>(&mut self, name : Option<&str>, dom : PSDDomain<N>) -> Result<Variable<N>,String> {
[INFO] [stdout]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/dummy.rs:536:52
[INFO] [stdout]     |
[INFO] [stdout] 536 |     fn psd_constraint<const N : usize>(& mut self, name : Option<&str>, dom : PSDDomain<N>,shape : &[usize], ptr : &[usize], subj : &[usi...
[INFO] [stdout]     |                                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dom`
[INFO] [stdout]    --> src/dummy.rs:536:73
[INFO] [stdout]     |
[INFO] [stdout] 536 | ... mut self, name : Option<&str>, dom : PSDDomain<N>,shape : &[usize], ptr : &[usize], subj : &[usize], cof : &[f64]) -> Result<Constrai...
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_dom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shape`
[INFO] [stdout]    --> src/dummy.rs:536:92
[INFO] [stdout]     |
[INFO] [stdout] 536 | ...ion<&str>, dom : PSDDomain<N>,shape : &[usize], ptr : &[usize], subj : &[usize], cof : &[f64]) -> Result<Constraint<N>,String> {
[INFO] [stdout]     |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]    --> src/dummy.rs:536:110
[INFO] [stdout]     |
[INFO] [stdout] 536 | ... PSDDomain<N>,shape : &[usize], ptr : &[usize], subj : &[usize], cof : &[f64]) -> Result<Constraint<N>,String> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subj`
[INFO] [stdout]    --> src/dummy.rs:536:126
[INFO] [stdout]     |
[INFO] [stdout] 536 | ...pe : &[usize], ptr : &[usize], subj : &[usize], cof : &[f64]) -> Result<Constraint<N>,String> {
[INFO] [stdout]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_subj`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cof`
[INFO] [stdout]    --> src/dummy.rs:536:143
[INFO] [stdout]     |
[INFO] [stdout] 536 | ...tr : &[usize], subj : &[usize], cof : &[f64]) -> Result<Constraint<N>,String> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cof`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first_a_row`
[INFO] [stdout]    --> src/dummy.rs:573:13
[INFO] [stdout]     |
[INFO] [stdout] 573 |         let first_a_row = self.a_ptr.len();
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_a_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shape`
[INFO] [stdout]    --> src/dummy.rs:586:28
[INFO] [stdout]     |
[INFO] [stdout] 586 |             let (ct,offset,shape,conedim) = dom.extract();
[INFO] [stdout]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conedim`
[INFO] [stdout]    --> src/dummy.rs:586:34
[INFO] [stdout]     |
[INFO] [stdout] 586 |             let (ct,offset,shape,conedim) = dom.extract();
[INFO] [stdout]     |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conedim`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/dummy.rs:568:20
[INFO] [stdout]     |
[INFO] [stdout] 568 |                    name : Option<&str>, 
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `headers_begin`
[INFO] [stdout]    --> src/optserver/http.rs:256:13
[INFO] [stdout]     |
[INFO] [stdout] 256 |         let headers_begin = buf.iter().enumerate().find(|c| *c.1 == b'\n').unwrap().1+1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_headers_begin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/optserver/http.rs:246:82
[INFO] [stdout]     |
[INFO] [stdout] 246 |                 while let Some(p) = buf[lastcrlfpos..].iter().enumerate().find(|(i,&b)| b == b'\n').map(|(i,_)| i) {
[INFO] [stdout]     |                                                                                  ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content_length`
[INFO] [stdout]    --> src/optserver/http.rs:367:21
[INFO] [stdout]     |
[INFO] [stdout] 367 |         if let Some(content_length) = content_length {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/optserver/mod.rs:198:10
[INFO] [stdout]     |
[INFO] [stdout] 198 |          name  : Option<&str>,
[INFO] [stdout]     |          ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/optserver/mod.rs:261:10
[INFO] [stdout]     |
[INFO] [stdout] 261 |          name : Option<&str>, 
[INFO] [stdout]     |          ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `rescode` is assigned to, but never used
[INFO] [stdout]    --> src/optserver/mod.rs:370:17
[INFO] [stdout]     |
[INFO] [stdout] 370 |         let mut rescode = None;
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_rescode` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `rescode` is never read
[INFO] [stdout]    --> src/optserver/mod.rs:383:21
[INFO] [stdout]     |
[INFO] [stdout] 383 |                     rescode = Some(r.to_string());
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/optserver/mod.rs:391:26
[INFO] [stdout]     |
[INFO] [stdout] 391 |             if let Some((k,JSON::Dict(d))) = d.0.iter().find(|kv| kv.0.as_str() == "Task/solutions") {
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from` is never used
[INFO] [stdout]    --> src/model/mod.rs:363:8
[INFO] [stdout]     |
[INFO] [stdout] 349 | impl<T> ModelAPI<T> where T : BaseModelTrait {
[INFO] [stdout]     | -------------------------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 363 |     fn from(inner : T) -> ModelAPI<T> { 
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lb` and `ub` are never read
[INFO] [stdout]   --> src/dummy.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     Linear{lb:f64,ub:f64},
[INFO] [stdout]    |     ------ ^^     ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Element` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `coneidx`, `offset`, and `b` are never read
[INFO] [stdout]   --> src/dummy.rs:54:11
[INFO] [stdout]    |
[INFO] [stdout] 54 |     Conic{coneidx:usize,offset:usize,b:f64},
[INFO] [stdout]    |     ----- ^^^^^^^       ^^^^^^       ^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Element` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `djc_clause_ptr` are never read
[INFO] [stdout]   --> src/dummy.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct Backend {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 61 |     name : Option<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     djc_clause_ptr : Vec<usize>,  // index into djc_dom, djc_a_row
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `con_names` is never read
[INFO] [stdout]   --> src/optserver/mod.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct Backend {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 60 |     con_names     : Vec<Option<String>>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `proto_ver` is never read
[INFO] [stdout]   --> src/optserver/http.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Response<'a,T> where T : Read {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 17 |     proto_ver :(u8,u8),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `get`, `put`, `head`, `content_length`, `submit_empty`, and `submit_data` are never used
[INFO] [stdout]    --> src/optserver/http.rs:143:12
[INFO] [stdout]     |
[INFO] [stdout] 132 | impl Request {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 143 |     pub fn get(path : &str)  -> Request { Request::new("GET",path) }
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 144 |     pub fn put(path : &str)  -> Request { Request::new("PUT",path) }
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 145 |     pub fn post(path : &str) -> Request { Request::new("POST", path) }
[INFO] [stdout] 146 |     pub fn head(path : &str) -> Request { Request::new("PUT", path) }
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 147 |
[INFO] [stdout] 148 |     pub fn content_length(mut self, size : usize) -> Self{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 |     pub fn submit_empty<'a,T>(mut self, s : &'a mut T) -> Result<Response<'a,T>,String> 
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 |     pub fn submit_data<'a,T>(mut self, s : &'a mut T, data : &[u8]) -> Result<Response<'a,T>,String> 
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/utils/mod.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn iter(&self) -> std::slice::Iter<usize> { self.strides.iter() }
[INFO] [stdout]    |                 ^^^^^     ----------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn iter(&self) -> std::slice::Iter<'_, usize> { self.strides.iter() }
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.75s
[INFO] running `Command { std: "docker" "inspect" "452553e8cd20909b57a65560b32665d65ab8e12ceb681c3005a12c48599e8675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "452553e8cd20909b57a65560b32665d65ab8e12ceb681c3005a12c48599e8675", kill_on_drop: false }`
[INFO] [stdout] 452553e8cd20909b57a65560b32665d65ab8e12ceb681c3005a12c48599e8675
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f52af3126a2db182f879ddc2099f0c55e2f384b8c5fbdc93a225e2f78e0ca622
[INFO] running `Command { std: "docker" "start" "-a" "f52af3126a2db182f879ddc2099f0c55e2f384b8c5fbdc93a225e2f78e0ca622", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `itertools::Chunk`
[INFO] [stdout]  --> src/utils/iter.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use itertools::Chunk;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DJCDomainTrait`, `DJCModelTrait`, `ModelWithIntSolutionCallback`, `ModelWithLogCallback`, `PSDModelTrait`, and `VectorConeModelTrait`
[INFO] [stdout]  --> src/optserver/mod.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::model::{DJCDomainTrait, DJCModelTrait, ModelWithIntSolutionCallback, ModelWithLogCallback, PSDModelTrait, VectorConeModelTrait};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PermuteByMutEx`
[INFO] [stdout]  --> src/optserver/mod.rs:7:56
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::utils::iter::{ChunksByIterExt, PermuteByEx, PermuteByMutEx};
[INFO] [stdout]   |                                                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iproduct`
[INFO] [stdout]  --> src/optserver/mod.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use itertools::{iproduct, izip};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]   --> src/optserver/mod.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::fs::{write, File};
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/model/mod.rs:390:52
[INFO] [stdout]     |
[INFO] [stdout] 390 |     pub fn set_int_solution_callback<F>(&mut self, mut func : F) where F : 'static+FnMut(&IntSolutionManager), T : 'static+ModelWithIntSo...
[INFO] [stdout]     |                                                    ----^^^^
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/dummy.rs:190:10
[INFO] [stdout]     |
[INFO] [stdout] 190 |          name  : Option<&str>,
[INFO] [stdout]     |          ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/dummy.rs:253:10
[INFO] [stdout]     |
[INFO] [stdout] 253 |          name : Option<&str>, 
[INFO] [stdout]     |          ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lastcon`
[INFO] [stdout]    --> src/dummy.rs:407:13
[INFO] [stdout]     |
[INFO] [stdout] 407 |         let lastcon = firstcon+n;
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lastcon`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `con0`
[INFO] [stdout]    --> src/dummy.rs:421:13
[INFO] [stdout]     |
[INFO] [stdout] 421 |         let con0 = self.cons.len();
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_con0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/dummy.rs:387:9
[INFO] [stdout]     |
[INFO] [stdout] 387 |         name   : Option<&str>, 
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/dummy.rs:439:51
[INFO] [stdout]     |
[INFO] [stdout] 439 |     fn conic_variable<const N : usize>(&mut self, name : Option<&str>,dom : VectorDomain<N,D>) -> Result<Variable<N>,String> {
[INFO] [stdout]     |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/dummy.rs:499:13
[INFO] [stdout]     |
[INFO] [stdout] 499 |         for i in 0..ncones {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/dummy.rs:477:49
[INFO] [stdout]     |
[INFO] [stdout] 477 |     fn psd_variable<const N : usize>(&mut self, name : Option<&str>, dom : PSDDomain<N>) -> Result<Variable<N>,String> {
[INFO] [stdout]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/dummy.rs:536:52
[INFO] [stdout]     |
[INFO] [stdout] 536 |     fn psd_constraint<const N : usize>(& mut self, name : Option<&str>, dom : PSDDomain<N>,shape : &[usize], ptr : &[usize], subj : &[usi...
[INFO] [stdout]     |                                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dom`
[INFO] [stdout]    --> src/dummy.rs:536:73
[INFO] [stdout]     |
[INFO] [stdout] 536 | ... mut self, name : Option<&str>, dom : PSDDomain<N>,shape : &[usize], ptr : &[usize], subj : &[usize], cof : &[f64]) -> Result<Constrai...
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_dom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shape`
[INFO] [stdout]    --> src/dummy.rs:536:92
[INFO] [stdout]     |
[INFO] [stdout] 536 | ...ion<&str>, dom : PSDDomain<N>,shape : &[usize], ptr : &[usize], subj : &[usize], cof : &[f64]) -> Result<Constraint<N>,String> {
[INFO] [stdout]     |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]    --> src/dummy.rs:536:110
[INFO] [stdout]     |
[INFO] [stdout] 536 | ... PSDDomain<N>,shape : &[usize], ptr : &[usize], subj : &[usize], cof : &[f64]) -> Result<Constraint<N>,String> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subj`
[INFO] [stdout]    --> src/dummy.rs:536:126
[INFO] [stdout]     |
[INFO] [stdout] 536 | ...pe : &[usize], ptr : &[usize], subj : &[usize], cof : &[f64]) -> Result<Constraint<N>,String> {
[INFO] [stdout]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_subj`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cof`
[INFO] [stdout]    --> src/dummy.rs:536:143
[INFO] [stdout]     |
[INFO] [stdout] 536 | ...tr : &[usize], subj : &[usize], cof : &[f64]) -> Result<Constraint<N>,String> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cof`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first_a_row`
[INFO] [stdout]    --> src/dummy.rs:573:13
[INFO] [stdout]     |
[INFO] [stdout] 573 |         let first_a_row = self.a_ptr.len();
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_a_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shape`
[INFO] [stdout]    --> src/dummy.rs:586:28
[INFO] [stdout]     |
[INFO] [stdout] 586 |             let (ct,offset,shape,conedim) = dom.extract();
[INFO] [stdout]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conedim`
[INFO] [stdout]    --> src/dummy.rs:586:34
[INFO] [stdout]     |
[INFO] [stdout] 586 |             let (ct,offset,shape,conedim) = dom.extract();
[INFO] [stdout]     |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conedim`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/dummy.rs:568:20
[INFO] [stdout]     |
[INFO] [stdout] 568 |                    name : Option<&str>, 
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `headers_begin`
[INFO] [stdout]    --> src/optserver/http.rs:256:13
[INFO] [stdout]     |
[INFO] [stdout] 256 |         let headers_begin = buf.iter().enumerate().find(|c| *c.1 == b'\n').unwrap().1+1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_headers_begin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/optserver/http.rs:246:82
[INFO] [stdout]     |
[INFO] [stdout] 246 |                 while let Some(p) = buf[lastcrlfpos..].iter().enumerate().find(|(i,&b)| b == b'\n').map(|(i,_)| i) {
[INFO] [stdout]     |                                                                                  ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content_length`
[INFO] [stdout]    --> src/optserver/http.rs:367:21
[INFO] [stdout]     |
[INFO] [stdout] 367 |         if let Some(content_length) = content_length {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/optserver/mod.rs:198:10
[INFO] [stdout]     |
[INFO] [stdout] 198 |          name  : Option<&str>,
[INFO] [stdout]     |          ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/optserver/mod.rs:261:10
[INFO] [stdout]     |
[INFO] [stdout] 261 |          name : Option<&str>, 
[INFO] [stdout]     |          ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mosekcomodel v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `rescode` is assigned to, but never used
[INFO] [stdout]    --> src/optserver/mod.rs:370:17
[INFO] [stdout]     |
[INFO] [stdout] 370 |         let mut rescode = None;
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_rescode` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `rescode` is never read
[INFO] [stdout]    --> src/optserver/mod.rs:383:21
[INFO] [stdout]     |
[INFO] [stdout] 383 |                     rescode = Some(r.to_string());
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/optserver/mod.rs:391:26
[INFO] [stdout]     |
[INFO] [stdout] 391 |             if let Some((k,JSON::Dict(d))) = d.0.iter().find(|kv| kv.0.as_str() == "Task/solutions") {
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from` is never used
[INFO] [stdout]    --> src/model/mod.rs:363:8
[INFO] [stdout]     |
[INFO] [stdout] 349 | impl<T> ModelAPI<T> where T : BaseModelTrait {
[INFO] [stdout]     | -------------------------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 363 |     fn from(inner : T) -> ModelAPI<T> { 
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lb` and `ub` are never read
[INFO] [stdout]   --> src/dummy.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     Linear{lb:f64,ub:f64},
[INFO] [stdout]    |     ------ ^^     ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Element` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `coneidx`, `offset`, and `b` are never read
[INFO] [stdout]   --> src/dummy.rs:54:11
[INFO] [stdout]    |
[INFO] [stdout] 54 |     Conic{coneidx:usize,offset:usize,b:f64},
[INFO] [stdout]    |     ----- ^^^^^^^       ^^^^^^       ^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Element` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `djc_clause_ptr` are never read
[INFO] [stdout]   --> src/dummy.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct Backend {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 61 |     name : Option<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     djc_clause_ptr : Vec<usize>,  // index into djc_dom, djc_a_row
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `con_names` is never read
[INFO] [stdout]   --> src/optserver/mod.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct Backend {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 60 |     con_names     : Vec<Option<String>>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `proto_ver` is never read
[INFO] [stdout]   --> src/optserver/http.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Response<'a,T> where T : Read {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 17 |     proto_ver :(u8,u8),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `get`, `put`, `head`, `content_length`, `submit_empty`, and `submit_data` are never used
[INFO] [stdout]    --> src/optserver/http.rs:143:12
[INFO] [stdout]     |
[INFO] [stdout] 132 | impl Request {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 143 |     pub fn get(path : &str)  -> Request { Request::new("GET",path) }
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 144 |     pub fn put(path : &str)  -> Request { Request::new("PUT",path) }
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 145 |     pub fn post(path : &str) -> Request { Request::new("POST", path) }
[INFO] [stdout] 146 |     pub fn head(path : &str) -> Request { Request::new("PUT", path) }
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 147 |
[INFO] [stdout] 148 |     pub fn content_length(mut self, size : usize) -> Self{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 |     pub fn submit_empty<'a,T>(mut self, s : &'a mut T) -> Result<Response<'a,T>,String> 
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 |     pub fn submit_data<'a,T>(mut self, s : &'a mut T, data : &[u8]) -> Result<Response<'a,T>,String> 
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/utils/mod.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn iter(&self) -> std::slice::Iter<usize> { self.strides.iter() }
[INFO] [stdout]    |                 ^^^^^     ----------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn iter(&self) -> std::slice::Iter<'_, usize> { self.strides.iter() }
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Chunk`
[INFO] [stdout]  --> src/utils/iter.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use itertools::Chunk;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DJCDomainTrait`, `DJCModelTrait`, `ModelWithIntSolutionCallback`, `ModelWithLogCallback`, `PSDModelTrait`, and `VectorConeModelTrait`
[INFO] [stdout]  --> src/optserver/mod.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::model::{DJCDomainTrait, DJCModelTrait, ModelWithIntSolutionCallback, ModelWithLogCallback, PSDModelTrait, VectorConeModelTrait};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PermuteByMutEx`
[INFO] [stdout]  --> src/optserver/mod.rs:7:56
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::utils::iter::{ChunksByIterExt, PermuteByEx, PermuteByMutEx};
[INFO] [stdout]   |                                                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iproduct`
[INFO] [stdout]  --> src/optserver/mod.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use itertools::{iproduct, izip};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]   --> src/optserver/mod.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::fs::{write, File};
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/model/mod.rs:390:52
[INFO] [stdout]     |
[INFO] [stdout] 390 |     pub fn set_int_solution_callback<F>(&mut self, mut func : F) where F : 'static+FnMut(&IntSolutionManager), T : 'static+ModelWithIntSo...
[INFO] [stdout]     |                                                    ----^^^^
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]    --> src/utils/iter.rs:657:13
[INFO] [stdout]     |
[INFO] [stdout] 657 |         let ptr : &[usize] = &[0,3,5,7,9,10];
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/dummy.rs:190:10
[INFO] [stdout]     |
[INFO] [stdout] 190 |          name  : Option<&str>,
[INFO] [stdout]     |          ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/dummy.rs:253:10
[INFO] [stdout]     |
[INFO] [stdout] 253 |          name : Option<&str>, 
[INFO] [stdout]     |          ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lastcon`
[INFO] [stdout]    --> src/dummy.rs:407:13
[INFO] [stdout]     |
[INFO] [stdout] 407 |         let lastcon = firstcon+n;
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lastcon`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `con0`
[INFO] [stdout]    --> src/dummy.rs:421:13
[INFO] [stdout]     |
[INFO] [stdout] 421 |         let con0 = self.cons.len();
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_con0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/dummy.rs:387:9
[INFO] [stdout]     |
[INFO] [stdout] 387 |         name   : Option<&str>, 
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/dummy.rs:439:51
[INFO] [stdout]     |
[INFO] [stdout] 439 |     fn conic_variable<const N : usize>(&mut self, name : Option<&str>,dom : VectorDomain<N,D>) -> Result<Variable<N>,String> {
[INFO] [stdout]     |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/dummy.rs:499:13
[INFO] [stdout]     |
[INFO] [stdout] 499 |         for i in 0..ncones {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/dummy.rs:477:49
[INFO] [stdout]     |
[INFO] [stdout] 477 |     fn psd_variable<const N : usize>(&mut self, name : Option<&str>, dom : PSDDomain<N>) -> Result<Variable<N>,String> {
[INFO] [stdout]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/dummy.rs:536:52
[INFO] [stdout]     |
[INFO] [stdout] 536 |     fn psd_constraint<const N : usize>(& mut self, name : Option<&str>, dom : PSDDomain<N>,shape : &[usize], ptr : &[usize], subj : &[usi...
[INFO] [stdout]     |                                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dom`
[INFO] [stdout]    --> src/dummy.rs:536:73
[INFO] [stdout]     |
[INFO] [stdout] 536 | ... mut self, name : Option<&str>, dom : PSDDomain<N>,shape : &[usize], ptr : &[usize], subj : &[usize], cof : &[f64]) -> Result<Constrai...
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_dom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shape`
[INFO] [stdout]    --> src/dummy.rs:536:92
[INFO] [stdout]     |
[INFO] [stdout] 536 | ...ion<&str>, dom : PSDDomain<N>,shape : &[usize], ptr : &[usize], subj : &[usize], cof : &[f64]) -> Result<Constraint<N>,String> {
[INFO] [stdout]     |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]    --> src/dummy.rs:536:110
[INFO] [stdout]     |
[INFO] [stdout] 536 | ... PSDDomain<N>,shape : &[usize], ptr : &[usize], subj : &[usize], cof : &[f64]) -> Result<Constraint<N>,String> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subj`
[INFO] [stdout]    --> src/dummy.rs:536:126
[INFO] [stdout]     |
[INFO] [stdout] 536 | ...pe : &[usize], ptr : &[usize], subj : &[usize], cof : &[f64]) -> Result<Constraint<N>,String> {
[INFO] [stdout]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_subj`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cof`
[INFO] [stdout]    --> src/dummy.rs:536:143
[INFO] [stdout]     |
[INFO] [stdout] 536 | ...tr : &[usize], subj : &[usize], cof : &[f64]) -> Result<Constraint<N>,String> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cof`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first_a_row`
[INFO] [stdout]    --> src/dummy.rs:573:13
[INFO] [stdout]     |
[INFO] [stdout] 573 |         let first_a_row = self.a_ptr.len();
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_a_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shape`
[INFO] [stdout]    --> src/dummy.rs:586:28
[INFO] [stdout]     |
[INFO] [stdout] 586 |             let (ct,offset,shape,conedim) = dom.extract();
[INFO] [stdout]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conedim`
[INFO] [stdout]    --> src/dummy.rs:586:34
[INFO] [stdout]     |
[INFO] [stdout] 586 |             let (ct,offset,shape,conedim) = dom.extract();
[INFO] [stdout]     |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conedim`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/dummy.rs:568:20
[INFO] [stdout]     |
[INFO] [stdout] 568 |                    name : Option<&str>, 
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `headers_begin`
[INFO] [stdout]    --> src/optserver/http.rs:256:13
[INFO] [stdout]     |
[INFO] [stdout] 256 |         let headers_begin = buf.iter().enumerate().find(|c| *c.1 == b'\n').unwrap().1+1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_headers_begin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/optserver/http.rs:246:82
[INFO] [stdout]     |
[INFO] [stdout] 246 |                 while let Some(p) = buf[lastcrlfpos..].iter().enumerate().find(|(i,&b)| b == b'\n').map(|(i,_)| i) {
[INFO] [stdout]     |                                                                                  ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content_length`
[INFO] [stdout]    --> src/optserver/http.rs:367:21
[INFO] [stdout]     |
[INFO] [stdout] 367 |         if let Some(content_length) = content_length {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/optserver/mod.rs:198:10
[INFO] [stdout]     |
[INFO] [stdout] 198 |          name  : Option<&str>,
[INFO] [stdout]     |          ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/optserver/mod.rs:261:10
[INFO] [stdout]     |
[INFO] [stdout] 261 |          name : Option<&str>, 
[INFO] [stdout]     |          ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `rescode` is assigned to, but never used
[INFO] [stdout]    --> src/optserver/mod.rs:370:17
[INFO] [stdout]     |
[INFO] [stdout] 370 |         let mut rescode = None;
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_rescode` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `rescode` is never read
[INFO] [stdout]    --> src/optserver/mod.rs:383:21
[INFO] [stdout]     |
[INFO] [stdout] 383 |                     rescode = Some(r.to_string());
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/optserver/mod.rs:391:26
[INFO] [stdout]     |
[INFO] [stdout] 391 |             if let Some((k,JSON::Dict(d))) = d.0.iter().find(|kv| kv.0.as_str() == "Task/solutions") {
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from` is never used
[INFO] [stdout]    --> src/model/mod.rs:363:8
[INFO] [stdout]     |
[INFO] [stdout] 349 | impl<T> ModelAPI<T> where T : BaseModelTrait {
[INFO] [stdout]     | -------------------------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 363 |     fn from(inner : T) -> ModelAPI<T> { 
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lb` and `ub` are never read
[INFO] [stdout]   --> src/dummy.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     Linear{lb:f64,ub:f64},
[INFO] [stdout]    |     ------ ^^     ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Element` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `coneidx`, `offset`, and `b` are never read
[INFO] [stdout]   --> src/dummy.rs:54:11
[INFO] [stdout]    |
[INFO] [stdout] 54 |     Conic{coneidx:usize,offset:usize,b:f64},
[INFO] [stdout]    |     ----- ^^^^^^^       ^^^^^^       ^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Element` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `djc_clause_ptr` are never read
[INFO] [stdout]   --> src/dummy.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct Backend {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 61 |     name : Option<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     djc_clause_ptr : Vec<usize>,  // index into djc_dom, djc_a_row
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `con_names` is never read
[INFO] [stdout]   --> src/optserver/mod.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct Backend {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 60 |     con_names     : Vec<Option<String>>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `proto_ver` is never read
[INFO] [stdout]   --> src/optserver/http.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Response<'a,T> where T : Read {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 17 |     proto_ver :(u8,u8),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `get`, `put`, `head`, and `submit_empty` are never used
[INFO] [stdout]    --> src/optserver/http.rs:143:12
[INFO] [stdout]     |
[INFO] [stdout] 132 | impl Request {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 143 |     pub fn get(path : &str)  -> Request { Request::new("GET",path) }
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 144 |     pub fn put(path : &str)  -> Request { Request::new("PUT",path) }
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 145 |     pub fn post(path : &str) -> Request { Request::new("POST", path) }
[INFO] [stdout] 146 |     pub fn head(path : &str) -> Request { Request::new("PUT", path) }
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 |     pub fn submit_empty<'a,T>(mut self, s : &'a mut T) -> Result<Response<'a,T>,String> 
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/utils/mod.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn iter(&self) -> std::slice::Iter<usize> { self.strides.iter() }
[INFO] [stdout]    |                 ^^^^^     ----------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn iter(&self) -> std::slice::Iter<'_, usize> { self.strides.iter() }
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 25.17s
[INFO] running `Command { std: "docker" "inspect" "f52af3126a2db182f879ddc2099f0c55e2f384b8c5fbdc93a225e2f78e0ca622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f52af3126a2db182f879ddc2099f0c55e2f384b8c5fbdc93a225e2f78e0ca622", kill_on_drop: false }`
[INFO] [stdout] f52af3126a2db182f879ddc2099f0c55e2f384b8c5fbdc93a225e2f78e0ca622
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d27f8b310a96f1fd36f94b1441b5064b4e6801cc626bd5486018892ca7bc0821
[INFO] running `Command { std: "docker" "start" "-a" "d27f8b310a96f1fd36f94b1441b5064b4e6801cc626bd5486018892ca7bc0821", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `itertools::Chunk`
[INFO] [stderr]  --> src/utils/iter.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use itertools::Chunk;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DJCDomainTrait`, `DJCModelTrait`, `ModelWithIntSolutionCallback`, `ModelWithLogCallback`, `PSDModelTrait`, and `VectorConeModelTrait`
[INFO] [stderr]  --> src/optserver/mod.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::model::{DJCDomainTrait, DJCModelTrait, ModelWithIntSolutionCallback, ModelWithLogCallback, PSDModelTrait, VectorConeModelTrait};
[INFO] [stderr]   |                    ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PermuteByMutEx`
[INFO] [stderr]  --> src/optserver/mod.rs:7:56
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::utils::iter::{ChunksByIterExt, PermuteByEx, PermuteByMutEx};
[INFO] [stderr]   |                                                        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `iproduct`
[INFO] [stderr]  --> src/optserver/mod.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | use itertools::{iproduct, izip};
[INFO] [stderr]   |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `write`
[INFO] [stderr]   --> src/optserver/mod.rs:10:15
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::fs::{write, File};
[INFO] [stderr]    |               ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/model/mod.rs:390:52
[INFO] [stderr]     |
[INFO] [stderr] 390 |     pub fn set_int_solution_callback<F>(&mut self, mut func : F) where F : 'static+FnMut(&IntSolutionManager), T : 'static+ModelWithIntSo...
[INFO] [stderr]     |                                                    ----^^^^
[INFO] [stderr]     |                                                    |
[INFO] [stderr]     |                                                    help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/dummy.rs:190:10
[INFO] [stderr]     |
[INFO] [stderr] 190 |          name  : Option<&str>,
[INFO] [stderr]     |          ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/dummy.rs:253:10
[INFO] [stderr]     |
[INFO] [stderr] 253 |          name : Option<&str>, 
[INFO] [stderr]     |          ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lastcon`
[INFO] [stderr]    --> src/dummy.rs:407:13
[INFO] [stderr]     |
[INFO] [stderr] 407 |         let lastcon = firstcon+n;
[INFO] [stderr]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lastcon`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `con0`
[INFO] [stderr]    --> src/dummy.rs:421:13
[INFO] [stderr]     |
[INFO] [stderr] 421 |         let con0 = self.cons.len();
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_con0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/dummy.rs:387:9
[INFO] [stderr]     |
[INFO] [stderr] 387 |         name   : Option<&str>, 
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/dummy.rs:439:51
[INFO] [stderr]     |
[INFO] [stderr] 439 |     fn conic_variable<const N : usize>(&mut self, name : Option<&str>,dom : VectorDomain<N,D>) -> Result<Variable<N>,String> {
[INFO] [stderr]     |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/dummy.rs:499:13
[INFO] [stderr]     |
[INFO] [stderr] 499 |         for i in 0..ncones {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/dummy.rs:477:49
[INFO] [stderr]     |
[INFO] [stderr] 477 |     fn psd_variable<const N : usize>(&mut self, name : Option<&str>, dom : PSDDomain<N>) -> Result<Variable<N>,String> {
[INFO] [stderr]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/dummy.rs:536:52
[INFO] [stderr]     |
[INFO] [stderr] 536 |     fn psd_constraint<const N : usize>(& mut self, name : Option<&str>, dom : PSDDomain<N>,shape : &[usize], ptr : &[usize], subj : &[usi...
[INFO] [stderr]     |                                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dom`
[INFO] [stderr]    --> src/dummy.rs:536:73
[INFO] [stderr]     |
[INFO] [stderr] 536 | ... mut self, name : Option<&str>, dom : PSDDomain<N>,shape : &[usize], ptr : &[usize], subj : &[usize], cof : &[f64]) -> Result<Constrai...
[INFO] [stderr]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_dom`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `shape`
[INFO] [stderr]    --> src/dummy.rs:536:92
[INFO] [stderr]     |
[INFO] [stderr] 536 | ...ion<&str>, dom : PSDDomain<N>,shape : &[usize], ptr : &[usize], subj : &[usize], cof : &[f64]) -> Result<Constraint<N>,String> {
[INFO] [stderr]     |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ptr`
[INFO] [stderr]    --> src/dummy.rs:536:110
[INFO] [stderr]     |
[INFO] [stderr] 536 | ... PSDDomain<N>,shape : &[usize], ptr : &[usize], subj : &[usize], cof : &[f64]) -> Result<Constraint<N>,String> {
[INFO] [stderr]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `subj`
[INFO] [stderr]    --> src/dummy.rs:536:126
[INFO] [stderr]     |
[INFO] [stderr] 536 | ...pe : &[usize], ptr : &[usize], subj : &[usize], cof : &[f64]) -> Result<Constraint<N>,String> {
[INFO] [stderr]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_subj`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cof`
[INFO] [stderr]    --> src/dummy.rs:536:143
[INFO] [stderr]     |
[INFO] [stderr] 536 | ...tr : &[usize], subj : &[usize], cof : &[f64]) -> Result<Constraint<N>,String> {
[INFO] [stderr]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cof`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `first_a_row`
[INFO] [stderr]    --> src/dummy.rs:573:13
[INFO] [stderr]     |
[INFO] [stderr] 573 |         let first_a_row = self.a_ptr.len();
[INFO] [stderr]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_a_row`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `shape`
[INFO] [stderr]    --> src/dummy.rs:586:28
[INFO] [stderr]     |
[INFO] [stderr] 586 |             let (ct,offset,shape,conedim) = dom.extract();
[INFO] [stderr]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `conedim`
[INFO] [stderr]    --> src/dummy.rs:586:34
[INFO] [stderr]     |
[INFO] [stderr] 586 |             let (ct,offset,shape,conedim) = dom.extract();
[INFO] [stderr]     |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conedim`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/dummy.rs:568:20
[INFO] [stderr]     |
[INFO] [stderr] 568 |                    name : Option<&str>, 
[INFO] [stderr]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `headers_begin`
[INFO] [stderr]    --> src/optserver/http.rs:256:13
[INFO] [stderr]     |
[INFO] [stderr] 256 |         let headers_begin = buf.iter().enumerate().find(|c| *c.1 == b'\n').unwrap().1+1;
[INFO] [stderr]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_headers_begin`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/optserver/http.rs:246:82
[INFO] [stderr]     |
[INFO] [stderr] 246 |                 while let Some(p) = buf[lastcrlfpos..].iter().enumerate().find(|(i,&b)| b == b'\n').map(|(i,_)| i) {
[INFO] [stderr]     |                                                                                  ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `content_length`
[INFO] [stderr]    --> src/optserver/http.rs:367:21
[INFO] [stderr]     |
[INFO] [stderr] 367 |         if let Some(content_length) = content_length {
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content_length`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/optserver/mod.rs:198:10
[INFO] [stderr]     |
[INFO] [stderr] 198 |          name  : Option<&str>,
[INFO] [stderr]     |          ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/optserver/mod.rs:261:10
[INFO] [stderr]     |
[INFO] [stderr] 261 |          name : Option<&str>, 
[INFO] [stderr]     |          ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `rescode` is assigned to, but never used
[INFO] [stderr]    --> src/optserver/mod.rs:370:17
[INFO] [stderr]     |
[INFO] [stderr] 370 |         let mut rescode = None;
[INFO] [stderr]     |                 ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_rescode` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `rescode` is never read
[INFO] [stderr]    --> src/optserver/mod.rs:383:21
[INFO] [stderr]     |
[INFO] [stderr] 383 |                     rescode = Some(r.to_string());
[INFO] [stderr]     |                     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]    --> src/optserver/mod.rs:391:26
[INFO] [stderr]     |
[INFO] [stderr] 391 |             if let Some((k,JSON::Dict(d))) = d.0.iter().find(|kv| kv.0.as_str() == "Task/solutions") {
[INFO] [stderr]     |                          ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `from` is never used
[INFO] [stderr]    --> src/model/mod.rs:363:8
[INFO] [stderr]     |
[INFO] [stderr] 349 | impl<T> ModelAPI<T> where T : BaseModelTrait {
[INFO] [stderr]     | -------------------------------------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 363 |     fn from(inner : T) -> ModelAPI<T> { 
[INFO] [stderr]     |        ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `lb` and `ub` are never read
[INFO] [stderr]   --> src/dummy.rs:53:12
[INFO] [stderr]    |
[INFO] [stderr] 53 |     Linear{lb:f64,ub:f64},
[INFO] [stderr]    |     ------ ^^     ^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     fields in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Element` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `coneidx`, `offset`, and `b` are never read
[INFO] [stderr]   --> src/dummy.rs:54:11
[INFO] [stderr]    |
[INFO] [stderr] 54 |     Conic{coneidx:usize,offset:usize,b:f64},
[INFO] [stderr]    |     ----- ^^^^^^^       ^^^^^^       ^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     fields in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Element` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name` and `djc_clause_ptr` are never read
[INFO] [stderr]   --> src/dummy.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 60 | pub struct Backend {
[INFO] [stderr]    |            ------- fields in this struct
[INFO] [stderr] 61 |     name : Option<String>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 79 |     djc_clause_ptr : Vec<usize>,  // index into djc_dom, djc_a_row
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `con_names` is never read
[INFO] [stderr]   --> src/optserver/mod.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub struct Backend {
[INFO] [stderr]    |            ------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 60 |     con_names     : Vec<Option<String>>,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `proto_ver` is never read
[INFO] [stderr]   --> src/optserver/http.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct Response<'a,T> where T : Read {
[INFO] [stderr]    |            -------- field in this struct
[INFO] [stderr] 17 |     proto_ver :(u8,u8),
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `get`, `put`, `head`, `content_length`, `submit_empty`, and `submit_data` are never used
[INFO] [stderr]    --> src/optserver/http.rs:143:12
[INFO] [stderr]     |
[INFO] [stderr] 132 | impl Request {
[INFO] [stderr]     | ------------ associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 143 |     pub fn get(path : &str)  -> Request { Request::new("GET",path) }
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 144 |     pub fn put(path : &str)  -> Request { Request::new("PUT",path) }
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 145 |     pub fn post(path : &str) -> Request { Request::new("POST", path) }
[INFO] [stderr] 146 |     pub fn head(path : &str) -> Request { Request::new("PUT", path) }
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 147 |
[INFO] [stderr] 148 |     pub fn content_length(mut self, size : usize) -> Self{
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 173 |     pub fn submit_empty<'a,T>(mut self, s : &'a mut T) -> Result<Response<'a,T>,String> 
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 186 |     pub fn submit_data<'a,T>(mut self, s : &'a mut T, data : &[u8]) -> Result<Response<'a,T>,String> 
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/utils/mod.rs:40:17
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn iter(&self) -> std::slice::Iter<usize> { self.strides.iter() }
[INFO] [stderr]    |                 ^^^^^     ----------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn iter(&self) -> std::slice::Iter<'_, usize> { self.strides.iter() }
[INFO] [stderr]    |                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: `mosekcomodel` (lib) generated 40 warnings (run `cargo fix --lib -p mosekcomodel` to apply 6 suggestions)
[INFO] [stderr] warning: unused variable: `ptr`
[INFO] [stderr]    --> src/utils/iter.rs:657:13
[INFO] [stderr]     |
[INFO] [stderr] 657 |         let ptr : &[usize] = &[0,3,5,7,9,10];
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/dummy.rs:190:10
[INFO] [stderr]     |
[INFO] [stderr] 190 |          name  : Option<&str>,
[INFO] [stderr]     |          ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `get`, `put`, `head`, and `submit_empty` are never used
[INFO] [stderr]    --> src/optserver/http.rs:143:12
[INFO] [stderr]     |
[INFO] [stderr] 132 | impl Request {
[INFO] [stderr]     | ------------ associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 143 |     pub fn get(path : &str)  -> Request { Request::new("GET",path) }
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 144 |     pub fn put(path : &str)  -> Request { Request::new("PUT",path) }
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 145 |     pub fn post(path : &str) -> Request { Request::new("POST", path) }
[INFO] [stderr] 146 |     pub fn head(path : &str) -> Request { Request::new("PUT", path) }
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 173 |     pub fn submit_empty<'a,T>(mut self, s : &'a mut T) -> Result<Response<'a,T>,String> 
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mosekcomodel` (lib test) generated 41 warnings (38 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mosekcomodel-5c297d19ffcc1124)
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test experimental::test::test_gen2 ... ok
[INFO] [stdout] test experimental::test::test_gen3 ... ok
[INFO] [stdout] test experimental::test::test_gen1 ... ok
[INFO] [stdout] test expr::eval::test::test_mul_matrix_expr_transpose_dd ... ok
[INFO] [stdout] test experimental::test::test_gen4 ... ok
[INFO] [stdout] test expr::eval::test::test_mul_matrix_expr_transpose_ds ... ok
[INFO] [stdout] test expr::eval::test::test_mul_matrix_expr_transpose_sd ... ok
[INFO] [stdout] test expr::eval::test::test_mul_matrix_expr_transpose_ss ... ok
[INFO] [stdout] test expr::mul::test::mul ... ok
[INFO] [stdout] test expr::test::add ... ok
[INFO] [stdout] test expr::test::expr_flip ... ok
[INFO] [stdout] test expr::test::dot_rows ... ok
[INFO] [stdout] test expr::test::into_symmetric ... ok
[INFO] [stdout] test expr::test::mul_elem ... ok
[INFO] [stdout] test expr::test::mul_left ... ok
[INFO] [stdout] test expr::test::repeat ... ok
[INFO] [stdout] test expr::test::slice ... ok
[INFO] [stdout] test expr::workstack::test::workstack ... ok
[INFO] [stdout] test expr::test::stack ... ok
[INFO] [stdout] test optserver::http::test::test_msg_writer ... ok
[INFO] [stdout] test utils::iter::tests::perm_iter_mut ... ok
[INFO] [stdout] test expr::test::mul_right ... ok
[INFO] [stdout] test expr::test::map_expr ... ok
[INFO] [stdout] test expr::test::sum_on ... ok
[INFO] [stdout] test expr::test::permute_axes ... ok
[INFO] [stdout] test optserver::test::test_optserver ... FAILED
[INFO] [stdout] test expr::test::dot_rows_x ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- optserver::test::test_optserver stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'optserver::test::test_optserver' panicked at src/model/mod.rs:693:42:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: "Read-only file system (os error 30)"
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x590f222bc9f2 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x590f222bc9f2 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x590f222bc9f2 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x590f222bc9f2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x590f222e3fd3 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x590f222e3fd3 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x590f222b9583 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x590f222b9583 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x590f222bc842 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x590f222bdf5c - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x590f222bddb2 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x590f22285824 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x590f22285824 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x590f222be93b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x590f222be93b - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x590f222be70a - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x590f222bcee9 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x590f222be39d - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x590f222e2770 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x590f222e2b16 - core::result::unwrap_failed::h31c9775ec1a50121
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1761:5
[INFO] [stdout]   20:     0x590f2221af04 - core::result::Result<T,E>::unwrap::h34c33cd316e4618f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1167:23
[INFO] [stdout]   21:     0x590f2221af04 - mosekcomodel::model::ModelAPI<T>::write_problem::h6a4f6dd4d230a9ed
[INFO] [stdout]                                at /opt/rustwide/workdir/src/model/mod.rs:693:42
[INFO] [stdout]   22:     0x590f2221af04 - mosekcomodel::optserver::test::test_optserver::h6f2e362f8d2f7361
[INFO] [stdout]                                at /opt/rustwide/workdir/src/optserver/mod.rs:641:11
[INFO] [stdout]   23:     0x590f2222f7b9 - mosekcomodel::optserver::test::test_optserver::{{closure}}::hed8a413e7dde0144
[INFO] [stdout]                                at /opt/rustwide/workdir/src/optserver/mod.rs:618:24
[INFO] [stdout]   24:     0x590f2222f7b9 - core::ops::function::FnOnce::call_once::h0081a309a52458c3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x590f2228afab - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x590f2228afab - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   27:     0x590f2228a19e - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   28:     0x590f2228a19e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x590f2228a19e - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   30:     0x590f2228a19e - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   31:     0x590f2228a19e - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x590f2228a19e - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   33:     0x590f2228a19e - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   34:     0x590f2224dd14 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   35:     0x590f2224dd14 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   36:     0x590f222516ea - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   37:     0x590f222516ea - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x590f222516ea - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   39:     0x590f222516ea - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   40:     0x590f222516ea - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x590f222516ea - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   42:     0x590f222516ea - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x590f222c1897 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x590f222c1897 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   45:     0x590f222c1897 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   46:     0x7f45778f3aa4 - <unknown>
[INFO] [stdout]   47:     0x7f4577980a34 - clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     optserver::test::test_optserver
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 26 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "d27f8b310a96f1fd36f94b1441b5064b4e6801cc626bd5486018892ca7bc0821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d27f8b310a96f1fd36f94b1441b5064b4e6801cc626bd5486018892ca7bc0821", kill_on_drop: false }`
[INFO] [stdout] d27f8b310a96f1fd36f94b1441b5064b4e6801cc626bd5486018892ca7bc0821
