[INFO] crate lpsolve 0.1.0 is already in cache
[INFO] testing lpsolve-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate lpsolve 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate lpsolve 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75aa91ecb374227200fc79d6941a89ca9b17461fc9d94addc7e2b9934671920b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "75aa91ecb374227200fc79d6941a89ca9b17461fc9d94addc7e2b9934671920b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75aa91ecb374227200fc79d6941a89ca9b17461fc9d94addc7e2b9934671920b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75aa91ecb374227200fc79d6941a89ca9b17461fc9d94addc7e2b9934671920b", kill_on_drop: false }`
[INFO] [stdout] 75aa91ecb374227200fc79d6941a89ca9b17461fc9d94addc7e2b9934671920b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 78e07bb662e6ad36988f0ca57034d51ddc1558f4b71def95b34778ec6e1f74ba
[INFO] running `Command { std: "docker" "start" "-a" "78e07bb662e6ad36988f0ca57034d51ddc1558f4b71def95b34778ec6e1f74ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling lpsolve-sys v5.5.0
[INFO] [stderr]    Compiling lpsolve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:121:1
[INFO] [stdout]     |
[INFO] [stdout] 121 | / bitflags! {
[INFO] [stdout] 122 | |     pub flags MPSOptions: ::libc::c_int {
[INFO] [stdout] 123 | |         const CRITICAL = 1,
[INFO] [stdout] 124 | |         const SEVERE = 2,
[INFO] [stdout] ...   |
[INFO] [stdout] 132 | |     }
[INFO] [stdout] 133 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:121:1
[INFO] [stdout]     |
[INFO] [stdout] 121 | / bitflags! {
[INFO] [stdout] 122 | |     pub flags MPSOptions: ::libc::c_int {
[INFO] [stdout] 123 | |         const CRITICAL = 1,
[INFO] [stdout] 124 | |         const SEVERE = 2,
[INFO] [stdout] ...   |
[INFO] [stdout] 132 | |     }
[INFO] [stdout] 133 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:145:40
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let val = transmute::<_, &mut &mut Write>(val);
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:181:38
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn write_lp(&self, out: &mut Write) -> bool {
[INFO] [stdout]     |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:188:44
[INFO] [stdout]     |
[INFO] [stdout] 188 |     pub fn write_fixedmps(&self, out: &mut Write) -> bool {
[INFO] [stdout]     |                                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:195:43
[INFO] [stdout]     |
[INFO] [stdout] 195 |     pub fn write_freemps(&self, out: &mut Write) -> bool {
[INFO] [stdout]     |                                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:204:39
[INFO] [stdout]     |
[INFO] [stdout] 204 |     pub fn write_mps(&self, out: &mut Write, formatting: libc::c_int) -> bool {
[INFO] [stdout]     |                                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.69s
[INFO] running `Command { std: "docker" "inspect" "78e07bb662e6ad36988f0ca57034d51ddc1558f4b71def95b34778ec6e1f74ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e07bb662e6ad36988f0ca57034d51ddc1558f4b71def95b34778ec6e1f74ba", kill_on_drop: false }`
[INFO] [stdout] 78e07bb662e6ad36988f0ca57034d51ddc1558f4b71def95b34778ec6e1f74ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 988dce2b79d04e51a65e5efc5608af156242b9eae7818b6410027925263feac8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "988dce2b79d04e51a65e5efc5608af156242b9eae7818b6410027925263feac8", kill_on_drop: false }`
[INFO] [stderr]    Compiling lpsolve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:121:1
[INFO] [stdout]     |
[INFO] [stdout] 121 | / bitflags! {
[INFO] [stdout] 122 | |     pub flags MPSOptions: ::libc::c_int {
[INFO] [stdout] 123 | |         const CRITICAL = 1,
[INFO] [stdout] 124 | |         const SEVERE = 2,
[INFO] [stdout] ...   |
[INFO] [stdout] 132 | |     }
[INFO] [stdout] 133 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:121:1
[INFO] [stdout]     |
[INFO] [stdout] 121 | / bitflags! {
[INFO] [stdout] 122 | |     pub flags MPSOptions: ::libc::c_int {
[INFO] [stdout] 123 | |         const CRITICAL = 1,
[INFO] [stdout] 124 | |         const SEVERE = 2,
[INFO] [stdout] ...   |
[INFO] [stdout] 132 | |     }
[INFO] [stdout] 133 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:145:40
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let val = transmute::<_, &mut &mut Write>(val);
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:181:38
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn write_lp(&self, out: &mut Write) -> bool {
[INFO] [stdout]     |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:188:44
[INFO] [stdout]     |
[INFO] [stdout] 188 |     pub fn write_fixedmps(&self, out: &mut Write) -> bool {
[INFO] [stdout]     |                                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:195:43
[INFO] [stdout]     |
[INFO] [stdout] 195 |     pub fn write_freemps(&self, out: &mut Write) -> bool {
[INFO] [stdout]     |                                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:204:39
[INFO] [stdout]     |
[INFO] [stdout] 204 |     pub fn write_mps(&self, out: &mut Write, formatting: libc::c_int) -> bool {
[INFO] [stdout]     |                                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:121:1
[INFO] [stdout]     |
[INFO] [stdout] 121 | / bitflags! {
[INFO] [stdout] 122 | |     pub flags MPSOptions: ::libc::c_int {
[INFO] [stdout] 123 | |         const CRITICAL = 1,
[INFO] [stdout] 124 | |         const SEVERE = 2,
[INFO] [stdout] ...   |
[INFO] [stdout] 132 | |     }
[INFO] [stdout] 133 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:121:1
[INFO] [stdout]     |
[INFO] [stdout] 121 | / bitflags! {
[INFO] [stdout] 122 | |     pub flags MPSOptions: ::libc::c_int {
[INFO] [stdout] 123 | |         const CRITICAL = 1,
[INFO] [stdout] 124 | |         const SEVERE = 2,
[INFO] [stdout] ...   |
[INFO] [stdout] 132 | |     }
[INFO] [stdout] 133 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:145:40
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let val = transmute::<_, &mut &mut Write>(val);
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:181:38
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn write_lp(&self, out: &mut Write) -> bool {
[INFO] [stdout]     |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:188:44
[INFO] [stdout]     |
[INFO] [stdout] 188 |     pub fn write_fixedmps(&self, out: &mut Write) -> bool {
[INFO] [stdout]     |                                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:195:43
[INFO] [stdout]     |
[INFO] [stdout] 195 |     pub fn write_freemps(&self, out: &mut Write) -> bool {
[INFO] [stdout]     |                                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:204:39
[INFO] [stdout]     |
[INFO] [stdout] 204 |     pub fn write_mps(&self, out: &mut Write, formatting: libc::c_int) -> bool {
[INFO] [stdout]     |                                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "988dce2b79d04e51a65e5efc5608af156242b9eae7818b6410027925263feac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "988dce2b79d04e51a65e5efc5608af156242b9eae7818b6410027925263feac8", kill_on_drop: false }`
[INFO] [stdout] 988dce2b79d04e51a65e5efc5608af156242b9eae7818b6410027925263feac8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5aff7f4028f4a37cafebe6590cfaab3eef35e3f769c907ef7db4c64e41779844
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5aff7f4028f4a37cafebe6590cfaab3eef35e3f769c907ef7db4c64e41779844", kill_on_drop: false }`
[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 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lpsolve-040201fe29a5bd7c
[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 `Command { std: "docker" "inspect" "5aff7f4028f4a37cafebe6590cfaab3eef35e3f769c907ef7db4c64e41779844", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aff7f4028f4a37cafebe6590cfaab3eef35e3f769c907ef7db4c64e41779844", kill_on_drop: false }`
[INFO] [stdout] 5aff7f4028f4a37cafebe6590cfaab3eef35e3f769c907ef7db4c64e41779844