[INFO] crate lpsolve 0.1.0 is already in cache
[INFO] testing lpsolve-0.1.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate lpsolve 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lpsolve 0.1.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lpsolve 0.1.0
[INFO] finished tweaking crates.io crate lpsolve 0.1.0
[INFO] tweaked toml for crates.io crate lpsolve 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7036ec596b6d1d300331bc8da47419958cd8c647dc4a99aa182a92aefd00c0a0
[INFO] running `"docker" "start" "-a" "7036ec596b6d1d300331bc8da47419958cd8c647dc4a99aa182a92aefd00c0a0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling lpsolve-sys v5.5.0
[INFO] [stderr]    Compiling lpsolve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:121:1
[INFO] [stderr]     |
[INFO] [stderr] 121 | / bitflags! {
[INFO] [stderr] 122 | |     pub flags MPSOptions: ::libc::c_int {
[INFO] [stderr] 123 | |         const CRITICAL = 1,
[INFO] [stderr] 124 | |         const SEVERE = 2,
[INFO] [stderr] ...   |
[INFO] [stderr] 132 | |     }
[INFO] [stderr] 133 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:121:1
[INFO] [stderr]     |
[INFO] [stderr] 121 | / bitflags! {
[INFO] [stderr] 122 | |     pub flags MPSOptions: ::libc::c_int {
[INFO] [stderr] 123 | |         const CRITICAL = 1,
[INFO] [stderr] 124 | |         const SEVERE = 2,
[INFO] [stderr] ...   |
[INFO] [stderr] 132 | |     }
[INFO] [stderr] 133 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:145:40
[INFO] [stderr]     |
[INFO] [stderr] 145 |     let val = transmute::<_, &mut &mut Write>(val);
[INFO] [stderr]     |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:181:38
[INFO] [stderr]     |
[INFO] [stderr] 181 |     pub fn write_lp(&self, out: &mut Write) -> bool {
[INFO] [stderr]     |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:188:44
[INFO] [stderr]     |
[INFO] [stderr] 188 |     pub fn write_fixedmps(&self, out: &mut Write) -> bool {
[INFO] [stderr]     |                                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:195:43
[INFO] [stderr]     |
[INFO] [stderr] 195 |     pub fn write_freemps(&self, out: &mut Write) -> bool {
[INFO] [stderr]     |                                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:204:39
[INFO] [stderr]     |
[INFO] [stderr] 204 |     pub fn write_mps(&self, out: &mut Write, formatting: libc::c_int) -> bool {
[INFO] [stderr]     |                                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.01s
[INFO] running `"docker" "inspect" "7036ec596b6d1d300331bc8da47419958cd8c647dc4a99aa182a92aefd00c0a0"`
[INFO] running `"docker" "rm" "-f" "7036ec596b6d1d300331bc8da47419958cd8c647dc4a99aa182a92aefd00c0a0"`
[INFO] [stdout] 7036ec596b6d1d300331bc8da47419958cd8c647dc4a99aa182a92aefd00c0a0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 14274d9ac738aa85fe718798b51c2fb2eddfc1420a47f5ef45ba5521b347d4dd
[INFO] running `"docker" "start" "-a" "14274d9ac738aa85fe718798b51c2fb2eddfc1420a47f5ef45ba5521b347d4dd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling lpsolve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:121:1
[INFO] [stderr]     |
[INFO] [stderr] 121 | / bitflags! {
[INFO] [stderr] 122 | |     pub flags MPSOptions: ::libc::c_int {
[INFO] [stderr] 123 | |         const CRITICAL = 1,
[INFO] [stderr] 124 | |         const SEVERE = 2,
[INFO] [stderr] ...   |
[INFO] [stderr] 132 | |     }
[INFO] [stderr] 133 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:121:1
[INFO] [stderr]     |
[INFO] [stderr] 121 | / bitflags! {
[INFO] [stderr] 122 | |     pub flags MPSOptions: ::libc::c_int {
[INFO] [stderr] 123 | |         const CRITICAL = 1,
[INFO] [stderr] 124 | |         const SEVERE = 2,
[INFO] [stderr] ...   |
[INFO] [stderr] 132 | |     }
[INFO] [stderr] 133 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:145:40
[INFO] [stderr]     |
[INFO] [stderr] 145 |     let val = transmute::<_, &mut &mut Write>(val);
[INFO] [stderr]     |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:181:38
[INFO] [stderr]     |
[INFO] [stderr] 181 |     pub fn write_lp(&self, out: &mut Write) -> bool {
[INFO] [stderr]     |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:188:44
[INFO] [stderr]     |
[INFO] [stderr] 188 |     pub fn write_fixedmps(&self, out: &mut Write) -> bool {
[INFO] [stderr]     |                                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:195:43
[INFO] [stderr]     |
[INFO] [stderr] 195 |     pub fn write_freemps(&self, out: &mut Write) -> bool {
[INFO] [stderr]     |                                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:204:39
[INFO] [stderr]     |
[INFO] [stderr] 204 |     pub fn write_mps(&self, out: &mut Write, formatting: libc::c_int) -> bool {
[INFO] [stderr]     |                                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:121:1
[INFO] [stderr]     |
[INFO] [stderr] 121 | / bitflags! {
[INFO] [stderr] 122 | |     pub flags MPSOptions: ::libc::c_int {
[INFO] [stderr] 123 | |         const CRITICAL = 1,
[INFO] [stderr] 124 | |         const SEVERE = 2,
[INFO] [stderr] ...   |
[INFO] [stderr] 132 | |     }
[INFO] [stderr] 133 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:121:1
[INFO] [stderr]     |
[INFO] [stderr] 121 | / bitflags! {
[INFO] [stderr] 122 | |     pub flags MPSOptions: ::libc::c_int {
[INFO] [stderr] 123 | |         const CRITICAL = 1,
[INFO] [stderr] 124 | |         const SEVERE = 2,
[INFO] [stderr] ...   |
[INFO] [stderr] 132 | |     }
[INFO] [stderr] 133 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:145:40
[INFO] [stderr]     |
[INFO] [stderr] 145 |     let val = transmute::<_, &mut &mut Write>(val);
[INFO] [stderr]     |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:181:38
[INFO] [stderr]     |
[INFO] [stderr] 181 |     pub fn write_lp(&self, out: &mut Write) -> bool {
[INFO] [stderr]     |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:188:44
[INFO] [stderr]     |
[INFO] [stderr] 188 |     pub fn write_fixedmps(&self, out: &mut Write) -> bool {
[INFO] [stderr]     |                                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:195:43
[INFO] [stderr]     |
[INFO] [stderr] 195 |     pub fn write_freemps(&self, out: &mut Write) -> bool {
[INFO] [stderr]     |                                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:204:39
[INFO] [stderr]     |
[INFO] [stderr] 204 |     pub fn write_mps(&self, out: &mut Write, formatting: libc::c_int) -> bool {
[INFO] [stderr]     |                                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "14274d9ac738aa85fe718798b51c2fb2eddfc1420a47f5ef45ba5521b347d4dd"`
[INFO] running `"docker" "rm" "-f" "14274d9ac738aa85fe718798b51c2fb2eddfc1420a47f5ef45ba5521b347d4dd"`
[INFO] [stdout] 14274d9ac738aa85fe718798b51c2fb2eddfc1420a47f5ef45ba5521b347d4dd
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stdout] 2f40bdba80660ffbce29571b0022bc8022bde724ae7216b55028dfe9cb0494a4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "2f40bdba80660ffbce29571b0022bc8022bde724ae7216b55028dfe9cb0494a4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:121:1
[INFO] [stderr]     |
[INFO] [stderr] 121 | / bitflags! {
[INFO] [stderr] 122 | |     pub flags MPSOptions: ::libc::c_int {
[INFO] [stderr] 123 | |         const CRITICAL = 1,
[INFO] [stderr] 124 | |         const SEVERE = 2,
[INFO] [stderr] ...   |
[INFO] [stderr] 132 | |     }
[INFO] [stderr] 133 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:121:1
[INFO] [stderr]     |
[INFO] [stderr] 121 | / bitflags! {
[INFO] [stderr] 122 | |     pub flags MPSOptions: ::libc::c_int {
[INFO] [stderr] 123 | |         const CRITICAL = 1,
[INFO] [stderr] 124 | |         const SEVERE = 2,
[INFO] [stderr] ...   |
[INFO] [stderr] 132 | |     }
[INFO] [stderr] 133 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:145:40
[INFO] [stderr]     |
[INFO] [stderr] 145 |     let val = transmute::<_, &mut &mut Write>(val);
[INFO] [stderr]     |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:181:38
[INFO] [stderr]     |
[INFO] [stderr] 181 |     pub fn write_lp(&self, out: &mut Write) -> bool {
[INFO] [stderr]     |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:188:44
[INFO] [stderr]     |
[INFO] [stderr] 188 |     pub fn write_fixedmps(&self, out: &mut Write) -> bool {
[INFO] [stderr]     |                                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:195:43
[INFO] [stderr]     |
[INFO] [stderr] 195 |     pub fn write_freemps(&self, out: &mut Write) -> bool {
[INFO] [stderr]     |                                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:204:39
[INFO] [stderr]     |
[INFO] [stderr] 204 |     pub fn write_mps(&self, out: &mut Write, formatting: libc::c_int) -> bool {
[INFO] [stderr]     |                                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:121:1
[INFO] [stderr]     |
[INFO] [stderr] 121 | / bitflags! {
[INFO] [stderr] 122 | |     pub flags MPSOptions: ::libc::c_int {
[INFO] [stderr] 123 | |         const CRITICAL = 1,
[INFO] [stderr] 124 | |         const SEVERE = 2,
[INFO] [stderr] ...   |
[INFO] [stderr] 132 | |     }
[INFO] [stderr] 133 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:121:1
[INFO] [stderr]     |
[INFO] [stderr] 121 | / bitflags! {
[INFO] [stderr] 122 | |     pub flags MPSOptions: ::libc::c_int {
[INFO] [stderr] 123 | |         const CRITICAL = 1,
[INFO] [stderr] 124 | |         const SEVERE = 2,
[INFO] [stderr] ...   |
[INFO] [stderr] 132 | |     }
[INFO] [stderr] 133 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:145:40
[INFO] [stderr]     |
[INFO] [stderr] 145 |     let val = transmute::<_, &mut &mut Write>(val);
[INFO] [stderr]     |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:181:38
[INFO] [stderr]     |
[INFO] [stderr] 181 |     pub fn write_lp(&self, out: &mut Write) -> bool {
[INFO] [stderr]     |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:188:44
[INFO] [stderr]     |
[INFO] [stderr] 188 |     pub fn write_fixedmps(&self, out: &mut Write) -> bool {
[INFO] [stderr]     |                                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:195:43
[INFO] [stderr]     |
[INFO] [stderr] 195 |     pub fn write_freemps(&self, out: &mut Write) -> bool {
[INFO] [stderr]     |                                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:204:39
[INFO] [stderr]     |
[INFO] [stderr] 204 |     pub fn write_mps(&self, out: &mut Write, formatting: libc::c_int) -> bool {
[INFO] [stderr]     |                                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lpsolve-1c0c701ce5c41b48
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::smoke ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lpsolve
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2f40bdba80660ffbce29571b0022bc8022bde724ae7216b55028dfe9cb0494a4"`
[INFO] running `"docker" "rm" "-f" "2f40bdba80660ffbce29571b0022bc8022bde724ae7216b55028dfe9cb0494a4"`
[INFO] [stdout] 2f40bdba80660ffbce29571b0022bc8022bde724ae7216b55028dfe9cb0494a4