[INFO] fetching crate lpsolve 0.1.0...
[INFO] testing lpsolve-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate lpsolve 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate lpsolve 0.1.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6424054e8e7351207c2480c4d99264f343f092f1c4cd7bacc4dfd318b234bfce
[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" "6424054e8e7351207c2480c4d99264f343f092f1c4cd7bacc4dfd318b234bfce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6424054e8e7351207c2480c4d99264f343f092f1c4cd7bacc4dfd318b234bfce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6424054e8e7351207c2480c4d99264f343f092f1c4cd7bacc4dfd318b234bfce", kill_on_drop: false }`
[INFO] [stdout] 6424054e8e7351207c2480c4d99264f343f092f1c4cd7bacc4dfd318b234bfce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76f588a4c9aade852d91e87d1ec10703d720dbe3a9cf7818c775b7d98646c520
[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" "76f588a4c9aade852d91e87d1ec10703d720dbe3a9cf7818c775b7d98646c520", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling libc v0.2.108
[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 macro `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 the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `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 the macro `bitflags` (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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.57s
[INFO] running `Command { std: "docker" "inspect" "76f588a4c9aade852d91e87d1ec10703d720dbe3a9cf7818c775b7d98646c520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76f588a4c9aade852d91e87d1ec10703d720dbe3a9cf7818c775b7d98646c520", kill_on_drop: false }`
[INFO] [stdout] 76f588a4c9aade852d91e87d1ec10703d720dbe3a9cf7818c775b7d98646c520
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 586a96215e1f7df3615815196b99683fcb700a7bf4f4b36818a988ef719960b7
[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" "586a96215e1f7df3615815196b99683fcb700a7bf4f4b36818a988ef719960b7", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated macro `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 the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `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 the macro `bitflags` (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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lpsolve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `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 the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `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 the macro `bitflags` (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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "586a96215e1f7df3615815196b99683fcb700a7bf4f4b36818a988ef719960b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "586a96215e1f7df3615815196b99683fcb700a7bf4f4b36818a988ef719960b7", kill_on_drop: false }`
[INFO] [stdout] 586a96215e1f7df3615815196b99683fcb700a7bf4f4b36818a988ef719960b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7647f83dfc1246f833128ed3714584a4586c93a1c819939a1a7266ac54cd39af
[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" "7647f83dfc1246f833128ed3714584a4586c93a1c819939a1a7266ac54cd39af", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout] running 1 test
[INFO] [stderr]    --> src/lib.rs:121:1
[INFO] [stdout] test tests::smoke ... ok
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 121 | / bitflags! {
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 122 | |     pub flags MPSOptions: ::libc::c_int {
[INFO] [stdout] 
[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 the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `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 the macro `bitflags` (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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `lpsolve` (lib) generated 7 warnings
[INFO] [stderr] warning: `lpsolve` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lpsolve-5a25441053938595)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7647f83dfc1246f833128ed3714584a4586c93a1c819939a1a7266ac54cd39af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7647f83dfc1246f833128ed3714584a4586c93a1c819939a1a7266ac54cd39af", kill_on_drop: false }`
[INFO] [stdout] 7647f83dfc1246f833128ed3714584a4586c93a1c819939a1a7266ac54cd39af