[INFO] fetching crate mosekcomodel-optserver 0.2.0...
[INFO] checking mosekcomodel-optserver-0.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate mosekcomodel-optserver 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate mosekcomodel-optserver 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mosekcomodel-optserver 0.2.0
[INFO] tweaked toml for crates.io crate mosekcomodel-optserver 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mosekcomodel-optserver 0.2.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mosekcomodel-optserver 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 2a824f3b95b5c4b386b7124b9e3d21b0441c8da3370e65c000d937959f276dd3
[INFO] running `Command { std: "docker" "start" "-a" "2a824f3b95b5c4b386b7124b9e3d21b0441c8da3370e65c000d937959f276dd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a824f3b95b5c4b386b7124b9e3d21b0441c8da3370e65c000d937959f276dd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a824f3b95b5c4b386b7124b9e3d21b0441c8da3370e65c000d937959f276dd3", kill_on_drop: false }`
[INFO] [stdout] 2a824f3b95b5c4b386b7124b9e3d21b0441c8da3370e65c000d937959f276dd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 643dc62aecf9c290f2eb187e9a8b48621b944268e499172414141e3414406dcc
[INFO] running `Command { std: "docker" "start" "-a" "643dc62aecf9c290f2eb187e9a8b48621b944268e499172414141e3414406dcc", kill_on_drop: false }`
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[INFO] [stderr]     Checking mosekcomodel-optserver v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `QuadraticCone`
[INFO] [stdout]  --> src/lib.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | use mosekcomodel::domain::{QuadraticCone, VectorDomainType};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mosekcomodel::utils::Permutation`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use mosekcomodel::utils::Permutation;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ChunksByIterExt`
[INFO] [stdout]  --> src/lib.rs:8:45
[INFO] [stdout]   |
[INFO] [stdout] 8 | use mosekcomodel::utils::iter::{Chunkation, ChunksByIterExt, PermuteByEx, PermuteByMutEx};
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Permutations`
[INFO] [stdout]  --> src/lib.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 9 | use itertools::{iproduct, izip, Permutations};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::default`
[INFO] [stdout]   --> src/bio.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | use std::default;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `QuadraticCone`
[INFO] [stdout]  --> src/lib.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | use mosekcomodel::domain::{QuadraticCone, VectorDomainType};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mosekcomodel::utils::Permutation`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use mosekcomodel::utils::Permutation;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ChunksByIterExt`
[INFO] [stdout]  --> src/lib.rs:8:45
[INFO] [stdout]   |
[INFO] [stdout] 8 | use mosekcomodel::utils::iter::{Chunkation, ChunksByIterExt, PermuteByEx, PermuteByMutEx};
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Permutations`
[INFO] [stdout]  --> src/lib.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 9 | use itertools::{iproduct, izip, Permutations};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::default`
[INFO] [stdout]   --> src/bio.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | use std::default;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FieldElementType::*`
[INFO] [stdout]    --> src/bio.rs:967:13
[INFO] [stdout]     |
[INFO] [stdout] 967 |         use FieldElementType::*;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Pointer`
[INFO] [stdout]   --> src/bio.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | use std::fmt::Pointer;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/bio.rs:475:36
[INFO] [stdout]     |
[INFO] [stdout] 475 | ...   .and_then(|s| Err(std::io::Error::other(format!("Invalid signature: {}",std::str::from_utf8(&self.fmt[1..1+fmtlen]).unwrap_or("<?>"...
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lib.rs:525:58
[INFO] [stdout]     |
[INFO] [stdout] 525 |                     self.s.read_exact(&mut buf).map_err(|e| std::io::Error::other("Message stream error: Failed to read message header"))?;
[INFO] [stdout]     |                                                          ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sc`
[INFO] [stdout]    --> src/lib.rs:923:17
[INFO] [stdout]     |
[INFO] [stdout] 923 | ...   let sc     = if numcon > 0 && ddef { Some(r.expect(b"sol/interior/con/dual",b"[d[d[d").and_then(|mut entry| Ok((entry.read::<f64>()...
[INFO] [stdout]     |           ^^ help: if this is intentional, prefix it with an underscore: `_sc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `varsta`
[INFO] [stdout]    --> src/lib.rs:943:17
[INFO] [stdout]     |
[INFO] [stdout] 943 |             let varsta = r.expect(b"sol/basic/var/sta",b"[B").and_then(|mut entry| Ok(entry.read::<u8>()?))?;
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_varsta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sc`
[INFO] [stdout]    --> src/lib.rs:948:17
[INFO] [stdout]     |
[INFO] [stdout] 948 | ...   let sc     = if numcon > 0 && ddef { Some(r.expect(b"sol/basic/con/dual",b"[d[d[d").and_then(|mut entry| Ok((entry.read::<f64>()?,e...
[INFO] [stdout]     |           ^^ help: if this is intentional, prefix it with an underscore: `_sc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `varsta`
[INFO] [stdout]    --> src/lib.rs:966:17
[INFO] [stdout]     |
[INFO] [stdout] 966 |             let varsta = r.expect(b"sol/integer/var/sta",b"[B").and_then(|mut entry| Ok(entry.read::<u8>()?))?;
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_varsta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first`
[INFO] [stdout]     --> src/lib.rs:1219:49
[INFO] [stdout]      |
[INFO] [stdout] 1219 |     fn linear_names<const N : usize>(&mut self, first : usize, last : usize, shape : &[usize;N], sp : Option<&[usize]>, name : &str) {
[INFO] [stdout]      |                                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_first`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last`
[INFO] [stdout]     --> src/lib.rs:1219:64
[INFO] [stdout]      |
[INFO] [stdout] 1219 |     fn linear_names<const N : usize>(&mut self, first : usize, last : usize, shape : &[usize;N], sp : Option<&[usize]>, name : &str) {
[INFO] [stdout]      |                                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_last`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]     --> src/lib.rs:1400:54
[INFO] [stdout]      |
[INFO] [stdout] 1400 |         self.con_block_dom.extend( (0..numcone).map(|i| ct.clone() ));
[INFO] [stdout]      |                                                      ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `block_index` and `offset` are never read
[INFO] [stdout]   --> src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct ConItem {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 25 |     block_index : usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 26 |     offset     : usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConItem` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FieldType` is never used
[INFO] [stdout]    --> src/bio.rs:105:10
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub enum FieldType {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ser` is never constructed
[INFO] [stdout]    --> src/bio.rs:113:12
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub struct Ser<'a,T> where T : Write {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SerEntry` is never constructed
[INFO] [stdout]    --> src/bio.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub struct SerEntry<'a,'b,T> where T : Write {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SerEntryChunkWriter` is never constructed
[INFO] [stdout]    --> src/bio.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 134 | pub struct SerEntryChunkWriter<'a,'b,'c,T,E> where T : Write, E : Serializable {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `entry`, and `finalize` are never used
[INFO] [stdout]    --> src/bio.rs:157:12
[INFO] [stdout]     |
[INFO] [stdout] 155 | impl<'a,T> Ser<'a,T> where T : Write {
[INFO] [stdout]     | ------------------------------------ associated items in this implementation
[INFO] [stdout] 156 |     /// Create a new b-stream from a writer object.
[INFO] [stdout] 157 |     pub fn new(w : &'a mut T) -> std::io::Result<Self> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 176 |     pub fn entry<'b>(&'b mut self,name : &[u8], fmt : &[u8]) -> std::io::Result<SerEntry<'a,'b,T>> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 208 |     pub fn finalize(&mut self) -> std::io::Result<()> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `write_value`, `write_array`, `stream_writer`, and `end_field` are never used
[INFO] [stdout]    --> src/bio.rs:233:12
[INFO] [stdout]     |
[INFO] [stdout] 228 | impl<'a,'b,T> SerEntry<'a,'b,T> where T : Write {
[INFO] [stdout]     | ----------------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 233 |     pub fn write_value<E>(&mut self, data : E) -> std::io::Result<&mut Self> where E : Serializable {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 256 |     pub fn write_array<E>(&mut self, data : &[E]) -> std::io::Result<&mut Self> where E : Serializable {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 295 |     pub fn stream_writer<'c,E>(&'c mut self) -> std::io::Result<SerEntryChunkWriter<'a,'b,'c,T,E>> where E : Serializable
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 312 |     fn end_field(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `close` and `write` are never used
[INFO] [stdout]    --> src/bio.rs:325:12
[INFO] [stdout]     |
[INFO] [stdout] 323 | impl<'a,'b,'c,T,E> SerEntryChunkWriter<'a,'b,'c,T,E> where T : Write, E : Serializable, T : Write {
[INFO] [stdout]     | ------------------------------------------------------------------------------------------------- methods in this implementation
[INFO] [stdout] 324 |     /// Terminate the stream. No subsequent writes are allowed.
[INFO] [stdout] 325 |     pub fn close(&mut self) -> std::io::Result<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 338 |     pub fn write(&mut self, buf: &[E]) -> io::Result<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `check_fmt` and `field_type` are never used
[INFO] [stdout]    --> src/bio.rs:567:12
[INFO] [stdout]     |
[INFO] [stdout] 561 | impl<'a,'b,R> DesEntry<'a,'b,R> where R : Read {
[INFO] [stdout]     | ---------------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 567 |     pub fn check_fmt(self, fmt : &[u8]) -> std::io::Result<Self> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 632 |     pub fn field_type(&self) -> std::io::Result<Option<(FieldType,FieldElementType)>> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `read_vec` and `read_all` are never used
[INFO] [stdout]    --> src/bio.rs:777:12
[INFO] [stdout]     |
[INFO] [stdout] 714 | impl<'a,'b,'c,R,E> DesEntryReader<'a,'b,'c,R,E> where R : Read, E : Serializable+Default+Copy {
[INFO] [stdout]     | --------------------------------------------------------------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 777 |     pub fn read_vec(&mut self) -> io::Result<Vec<E>> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 782 |     pub fn read_all(&mut self, buf: &mut Vec<E>) -> io::Result<usize> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `asciistr` is never used
[INFO] [stdout]    --> src/bio.rs:818:4
[INFO] [stdout]     |
[INFO] [stdout] 818 | fn asciistr(bs : &[u8]) -> String {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get`, `get_mut`, and `replace_rows` are never used
[INFO] [stdout]    --> src/msto.rs:17:12
[INFO] [stdout]     |
[INFO] [stdout]  16 | impl MatrixStore {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout]  17 |     pub fn new() -> MatrixStore { Default::default() }
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  58 |     pub fn get<'a>(&'a self, i : usize) -> Option<(&'a[usize],&'a[f64],f64)> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  69 |     pub fn get_mut<'a>(&'a mut self, i : usize) -> Option<(&'a mut[usize],&'a mut [f64],&'a mut f64)> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     pub fn replace_rows(&mut self, rows : &[usize], ptr : &[usize], subj : &[usize], cof : &[f64], b : &[f64]) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]   --> src/json.rs:99:34
[INFO] [stdout]    |
[INFO] [stdout] 99 |             JSON::Float(v) => Ok((*v).try_into().map_err(|_| ())?),
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/json.rs:175:25
[INFO] [stdout]     |
[INFO] [stdout] 175 |                         Self::write_float(*value, s);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 175 |                         let _ = Self::write_float(*value, s);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/json.rs:199:25
[INFO] [stdout]     |
[INFO] [stdout] 199 |                         Self::write_str(s,value.as_str());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 199 |                         let _ = Self::write_str(s,value.as_str());
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mosekcomodel-optserver` (lib) due to 1 previous error; 29 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `std::fmt::Pointer`
[INFO] [stdout]   --> src/bio.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | use std::fmt::Pointer;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/bio.rs:475:36
[INFO] [stdout]     |
[INFO] [stdout] 475 | ...   .and_then(|s| Err(std::io::Error::other(format!("Invalid signature: {}",std::str::from_utf8(&self.fmt[1..1+fmtlen]).unwrap_or("<?>"...
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bio.rs:971:24
[INFO] [stdout]     |
[INFO] [stdout] 971 |         while let Some(mut entry) = d.next_entry().unwrap() {
[INFO] [stdout]     |                        ----^^^^^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lib.rs:525:58
[INFO] [stdout]     |
[INFO] [stdout] 525 |                     self.s.read_exact(&mut buf).map_err(|e| std::io::Error::other("Message stream error: Failed to read message header"))?;
[INFO] [stdout]     |                                                          ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sc`
[INFO] [stdout]    --> src/lib.rs:923:17
[INFO] [stdout]     |
[INFO] [stdout] 923 | ...   let sc     = if numcon > 0 && ddef { Some(r.expect(b"sol/interior/con/dual",b"[d[d[d").and_then(|mut entry| Ok((entry.read::<f64>()...
[INFO] [stdout]     |           ^^ help: if this is intentional, prefix it with an underscore: `_sc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `varsta`
[INFO] [stdout]    --> src/lib.rs:943:17
[INFO] [stdout]     |
[INFO] [stdout] 943 |             let varsta = r.expect(b"sol/basic/var/sta",b"[B").and_then(|mut entry| Ok(entry.read::<u8>()?))?;
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_varsta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sc`
[INFO] [stdout]    --> src/lib.rs:948:17
[INFO] [stdout]     |
[INFO] [stdout] 948 | ...   let sc     = if numcon > 0 && ddef { Some(r.expect(b"sol/basic/con/dual",b"[d[d[d").and_then(|mut entry| Ok((entry.read::<f64>()?,e...
[INFO] [stdout]     |           ^^ help: if this is intentional, prefix it with an underscore: `_sc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `varsta`
[INFO] [stdout]    --> src/lib.rs:966:17
[INFO] [stdout]     |
[INFO] [stdout] 966 |             let varsta = r.expect(b"sol/integer/var/sta",b"[B").and_then(|mut entry| Ok(entry.read::<u8>()?))?;
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_varsta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first`
[INFO] [stdout]     --> src/lib.rs:1219:49
[INFO] [stdout]      |
[INFO] [stdout] 1219 |     fn linear_names<const N : usize>(&mut self, first : usize, last : usize, shape : &[usize;N], sp : Option<&[usize]>, name : &str) {
[INFO] [stdout]      |                                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_first`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last`
[INFO] [stdout]     --> src/lib.rs:1219:64
[INFO] [stdout]      |
[INFO] [stdout] 1219 |     fn linear_names<const N : usize>(&mut self, first : usize, last : usize, shape : &[usize;N], sp : Option<&[usize]>, name : &str) {
[INFO] [stdout]      |                                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_last`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]     --> src/lib.rs:1400:54
[INFO] [stdout]      |
[INFO] [stdout] 1400 |         self.con_block_dom.extend( (0..numcone).map(|i| ct.clone() ));
[INFO] [stdout]      |                                                      ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `block_index` and `offset` are never read
[INFO] [stdout]   --> src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct ConItem {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 25 |     block_index : usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 26 |     offset     : usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConItem` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write_value` is never used
[INFO] [stdout]    --> src/bio.rs:233:12
[INFO] [stdout]     |
[INFO] [stdout] 228 | impl<'a,'b,T> SerEntry<'a,'b,T> where T : Write {
[INFO] [stdout]     | ----------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 233 |     pub fn write_value<E>(&mut self, data : E) -> std::io::Result<&mut Self> where E : Serializable {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `check_fmt` is never used
[INFO] [stdout]    --> src/bio.rs:567:12
[INFO] [stdout]     |
[INFO] [stdout] 561 | impl<'a,'b,R> DesEntry<'a,'b,R> where R : Read {
[INFO] [stdout]     | ---------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 567 |     pub fn check_fmt(self, fmt : &[u8]) -> std::io::Result<Self> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get`, `get_mut`, and `replace_rows` are never used
[INFO] [stdout]    --> src/msto.rs:17:12
[INFO] [stdout]     |
[INFO] [stdout]  16 | impl MatrixStore {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout]  17 |     pub fn new() -> MatrixStore { Default::default() }
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  58 |     pub fn get<'a>(&'a self, i : usize) -> Option<(&'a[usize],&'a[f64],f64)> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  69 |     pub fn get_mut<'a>(&'a mut self, i : usize) -> Option<(&'a mut[usize],&'a mut [f64],&'a mut f64)> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     pub fn replace_rows(&mut self, rows : &[usize], ptr : &[usize], subj : &[usize], cof : &[f64], b : &[f64]) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]   --> src/json.rs:99:34
[INFO] [stdout]    |
[INFO] [stdout] 99 |             JSON::Float(v) => Ok((*v).try_into().map_err(|_| ())?),
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/json.rs:175:25
[INFO] [stdout]     |
[INFO] [stdout] 175 |                         Self::write_float(*value, s);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 175 |                         let _ = Self::write_float(*value, s);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/json.rs:199:25
[INFO] [stdout]     |
[INFO] [stdout] 199 |                         Self::write_str(s,value.as_str());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 199 |                         let _ = Self::write_str(s,value.as_str());
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mosekcomodel-optserver` (lib test) due to 1 previous error; 23 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "643dc62aecf9c290f2eb187e9a8b48621b944268e499172414141e3414406dcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "643dc62aecf9c290f2eb187e9a8b48621b944268e499172414141e3414406dcc", kill_on_drop: false }`
[INFO] [stdout] 643dc62aecf9c290f2eb187e9a8b48621b944268e499172414141e3414406dcc
