[INFO] fetching crate lpsolve 0.1.0...
[INFO] testing lpsolve-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate lpsolve 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate lpsolve 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af2c4d5aa3724d9c0ea024065ce8b7fbe9abc425350be77e383d122d84ec43a2
[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" "af2c4d5aa3724d9c0ea024065ce8b7fbe9abc425350be77e383d122d84ec43a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af2c4d5aa3724d9c0ea024065ce8b7fbe9abc425350be77e383d122d84ec43a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af2c4d5aa3724d9c0ea024065ce8b7fbe9abc425350be77e383d122d84ec43a2", kill_on_drop: false }`
[INFO] [stdout] af2c4d5aa3724d9c0ea024065ce8b7fbe9abc425350be77e383d122d84ec43a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 477ee4f44745a3ff73884bcab1830e6213941fa14b2ffd67405ebb92354d577b
[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" "477ee4f44745a3ff73884bcab1830e6213941fa14b2ffd67405ebb92354d577b", kill_on_drop: false }`
[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:181:38
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn write_lp(&self, out: &mut Write) -> bool {
[INFO] [stdout]     |                                      ^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 181 -     pub fn write_lp(&self, out: &mut Write) -> bool {
[INFO] [stdout] 181 +     pub fn write_lp(&self, out: &mut dyn Write) -> bool {
[INFO] [stdout]     | 
[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]     |                                            ^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 188 -     pub fn write_fixedmps(&self, out: &mut Write) -> bool {
[INFO] [stdout] 188 +     pub fn write_fixedmps(&self, out: &mut dyn Write) -> bool {
[INFO] [stdout]     | 
[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]     |                                           ^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 195 -     pub fn write_freemps(&self, out: &mut Write) -> bool {
[INFO] [stdout] 195 +     pub fn write_freemps(&self, out: &mut dyn Write) -> bool {
[INFO] [stdout]     | 
[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]     |                                       ^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 204 -     pub fn write_mps(&self, out: &mut Write, formatting: libc::c_int) -> bool {
[INFO] [stdout] 204 +     pub fn write_mps(&self, out: &mut dyn Write, formatting: libc::c_int) -> bool {
[INFO] [stdout]     | 
[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]     |                                        ^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 145 -     let val = transmute::<_, &mut &mut Write>(val);
[INFO] [stdout] 145 +     let val = transmute::<_, &mut &mut dyn Write>(val);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.05s
[INFO] running `Command { std: "docker" "inspect" "477ee4f44745a3ff73884bcab1830e6213941fa14b2ffd67405ebb92354d577b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "477ee4f44745a3ff73884bcab1830e6213941fa14b2ffd67405ebb92354d577b", kill_on_drop: false }`
[INFO] [stdout] 477ee4f44745a3ff73884bcab1830e6213941fa14b2ffd67405ebb92354d577b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38c6a9044e5cb0586767d4da09aad55db04e7d0a1441c4d4204933a8a7e03b94
[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" "38c6a9044e5cb0586767d4da09aad55db04e7d0a1441c4d4204933a8a7e03b94", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:181:38
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn write_lp(&self, out: &mut Write) -> bool {
[INFO] [stdout]     |                                      ^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 181 -     pub fn write_lp(&self, out: &mut Write) -> bool {
[INFO] [stdout] 181 +     pub fn write_lp(&self, out: &mut dyn Write) -> bool {
[INFO] [stdout]     | 
[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]     |                                            ^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 188 -     pub fn write_fixedmps(&self, out: &mut Write) -> bool {
[INFO] [stdout] 188 +     pub fn write_fixedmps(&self, out: &mut dyn Write) -> bool {
[INFO] [stdout]     | 
[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]     |                                           ^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 195 -     pub fn write_freemps(&self, out: &mut Write) -> bool {
[INFO] [stdout] 195 +     pub fn write_freemps(&self, out: &mut dyn Write) -> bool {
[INFO] [stdout]     | 
[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]     |                                       ^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 204 -     pub fn write_mps(&self, out: &mut Write, formatting: libc::c_int) -> bool {
[INFO] [stdout] 204 +     pub fn write_mps(&self, out: &mut dyn Write, formatting: libc::c_int) -> bool {
[INFO] [stdout]     | 
[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]     |                                        ^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 145 -     let val = transmute::<_, &mut &mut Write>(val);
[INFO] [stdout] 145 +     let val = transmute::<_, &mut &mut dyn Write>(val);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[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: `#[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:181:38
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn write_lp(&self, out: &mut Write) -> bool {
[INFO] [stdout]     |                                      ^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 181 -     pub fn write_lp(&self, out: &mut Write) -> bool {
[INFO] [stdout] 181 +     pub fn write_lp(&self, out: &mut dyn Write) -> bool {
[INFO] [stdout]     | 
[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]     |                                            ^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 188 -     pub fn write_fixedmps(&self, out: &mut Write) -> bool {
[INFO] [stdout] 188 +     pub fn write_fixedmps(&self, out: &mut dyn Write) -> bool {
[INFO] [stdout]     | 
[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]     |                                           ^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 195 -     pub fn write_freemps(&self, out: &mut Write) -> bool {
[INFO] [stdout] 195 +     pub fn write_freemps(&self, out: &mut dyn Write) -> bool {
[INFO] [stdout]     | 
[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]     |                                       ^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 204 -     pub fn write_mps(&self, out: &mut Write, formatting: libc::c_int) -> bool {
[INFO] [stdout] 204 +     pub fn write_mps(&self, out: &mut dyn Write, formatting: libc::c_int) -> bool {
[INFO] [stdout]     | 
[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]     |                                        ^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 145 -     let val = transmute::<_, &mut &mut Write>(val);
[INFO] [stdout] 145 +     let val = transmute::<_, &mut &mut dyn Write>(val);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.22s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/lpsolve-5e40c3de79056aef)
[INFO] running `Command { std: "docker" "inspect" "38c6a9044e5cb0586767d4da09aad55db04e7d0a1441c4d4204933a8a7e03b94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38c6a9044e5cb0586767d4da09aad55db04e7d0a1441c4d4204933a8a7e03b94", kill_on_drop: false }`
[INFO] [stdout] 38c6a9044e5cb0586767d4da09aad55db04e7d0a1441c4d4204933a8a7e03b94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] 2d5a0173098b1acb9f08794284347161d21971deabb477335b5e5091ad3f7e04
[INFO] running `Command { std: "docker" "start" "-a" "2d5a0173098b1acb9f08794284347161d21971deabb477335b5e5091ad3f7e04", kill_on_drop: false }`
[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: `#[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:181:38
[INFO] [stderr]     |
[INFO] [stderr] 181 |     pub fn write_lp(&self, out: &mut Write) -> bool {
[INFO] [stderr]     |                                      ^^^^^
[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] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 181 -     pub fn write_lp(&self, out: &mut Write) -> bool {
[INFO] [stderr] 181 +     pub fn write_lp(&self, out: &mut dyn Write) -> bool {
[INFO] [stderr]     | 
[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]     |                                            ^^^^^
[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] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 188 -     pub fn write_fixedmps(&self, out: &mut Write) -> bool {
[INFO] [stderr] 188 +     pub fn write_fixedmps(&self, out: &mut dyn Write) -> bool {
[INFO] [stderr]     | 
[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]     |                                           ^^^^^
[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] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 195 -     pub fn write_freemps(&self, out: &mut Write) -> bool {
[INFO] [stderr] 195 +     pub fn write_freemps(&self, out: &mut dyn Write) -> bool {
[INFO] [stderr]     | 
[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]     |                                       ^^^^^
[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] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 204 -     pub fn write_mps(&self, out: &mut Write, formatting: libc::c_int) -> bool {
[INFO] [stderr] 204 +     pub fn write_mps(&self, out: &mut dyn Write, formatting: libc::c_int) -> bool {
[INFO] [stderr]     | 
[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]     |                                        ^^^^^
[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] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 145 -     let val = transmute::<_, &mut &mut Write>(val);
[INFO] [stderr] 145 +     let val = transmute::<_, &mut &mut dyn Write>(val);
[INFO] [stderr]     | 
[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 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lpsolve-5e40c3de79056aef)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::smoke ... ok
[INFO] [stderr]    Doc-tests lpsolve
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "2d5a0173098b1acb9f08794284347161d21971deabb477335b5e5091ad3f7e04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d5a0173098b1acb9f08794284347161d21971deabb477335b5e5091ad3f7e04", kill_on_drop: false }`
[INFO] [stdout] 2d5a0173098b1acb9f08794284347161d21971deabb477335b5e5091ad3f7e04