[INFO] fetching crate genotype 0.1.2...
[INFO] testing genotype-0.1.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate genotype 0.1.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate genotype 0.1.2 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 genotype 0.1.2
[INFO] finished tweaking crates.io crate genotype 0.1.2
[INFO] tweaked toml for crates.io crate genotype 0.1.2 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] 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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c8a0be2e34e3ad4aecf7fd1ebd471ab7f171440044e667c3e547ea6a1e23c562
[INFO] running `Command { std: "docker" "start" "-a" "c8a0be2e34e3ad4aecf7fd1ebd471ab7f171440044e667c3e547ea6a1e23c562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8a0be2e34e3ad4aecf7fd1ebd471ab7f171440044e667c3e547ea6a1e23c562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8a0be2e34e3ad4aecf7fd1ebd471ab7f171440044e667c3e547ea6a1e23c562", kill_on_drop: false }`
[INFO] [stdout] c8a0be2e34e3ad4aecf7fd1ebd471ab7f171440044e667c3e547ea6a1e23c562
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 16d29f617908e37f79a956b055de0cfceb4d420e35b83418e90baa948829a100
[INFO] running `Command { std: "docker" "start" "-a" "16d29f617908e37f79a956b055de0cfceb4d420e35b83418e90baa948829a100", kill_on_drop: false }`
[INFO] [stderr]    Compiling genotype v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:232:39
[INFO] [stdout]     |
[INFO] [stdout] 232 | impl<'a> AddAssign<Param> for &'a mut RangedParam {
[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] 232 - impl<'a> AddAssign<Param> for &'a mut RangedParam {
[INFO] [stdout] 232 + impl<'a> AddAssign<Param> for &'a mut dyn RangedParam {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:155:51
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn get_param(&mut self, index: usize) -> &mut RangedParam;
[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] 155 -     fn get_param(&mut self, index: usize) -> &mut RangedParam;
[INFO] [stdout] 155 +     fn get_param(&mut self, index: usize) -> &mut dyn RangedParam;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/param_set.rs:84:51
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn get_param(&mut self, index: usize) -> &mut RangedParam {
[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] 84 -     fn get_param(&mut self, index: usize) -> &mut RangedParam {
[INFO] [stdout] 84 +     fn get_param(&mut self, index: usize) -> &mut dyn RangedParam {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/param_set.rs:99:51
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn get_param(&mut self, index: usize) -> &mut RangedParam {
[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] 99 -     fn get_param(&mut self, index: usize) -> &mut RangedParam {
[INFO] [stdout] 99 +     fn get_param(&mut self, index: usize) -> &mut dyn RangedParam {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mutation.rs:86:25
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut p: &mut RangedParam = holder.get_param(i);
[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] 86 -         let mut p: &mut RangedParam = holder.get_param(i);
[INFO] [stdout] 86 +         let mut p: &mut dyn RangedParam = holder.get_param(i);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "16d29f617908e37f79a956b055de0cfceb4d420e35b83418e90baa948829a100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16d29f617908e37f79a956b055de0cfceb4d420e35b83418e90baa948829a100", kill_on_drop: false }`
[INFO] [stdout] 16d29f617908e37f79a956b055de0cfceb4d420e35b83418e90baa948829a100
[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] 22e58a327312632b39a71be755aedb9762115b835692c1ee3bb19f4c42636294
[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" "22e58a327312632b39a71be755aedb9762115b835692c1ee3bb19f4c42636294", kill_on_drop: false }`
[INFO] [stderr]    Compiling genotype v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:232:39
[INFO] [stdout]     |
[INFO] [stdout] 232 | impl<'a> AddAssign<Param> for &'a mut RangedParam {
[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] 232 - impl<'a> AddAssign<Param> for &'a mut RangedParam {
[INFO] [stdout] 232 + impl<'a> AddAssign<Param> for &'a mut dyn RangedParam {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:155:51
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn get_param(&mut self, index: usize) -> &mut RangedParam;
[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] 155 -     fn get_param(&mut self, index: usize) -> &mut RangedParam;
[INFO] [stdout] 155 +     fn get_param(&mut self, index: usize) -> &mut dyn RangedParam;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/param_set.rs:84:51
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn get_param(&mut self, index: usize) -> &mut RangedParam {
[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] 84 -     fn get_param(&mut self, index: usize) -> &mut RangedParam {
[INFO] [stdout] 84 +     fn get_param(&mut self, index: usize) -> &mut dyn RangedParam {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/param_set.rs:99:51
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn get_param(&mut self, index: usize) -> &mut RangedParam {
[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] 99 -     fn get_param(&mut self, index: usize) -> &mut RangedParam {
[INFO] [stdout] 99 +     fn get_param(&mut self, index: usize) -> &mut dyn RangedParam {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mutation.rs:86:25
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut p: &mut RangedParam = holder.get_param(i);
[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] 86 -         let mut p: &mut RangedParam = holder.get_param(i);
[INFO] [stdout] 86 +         let mut p: &mut dyn RangedParam = holder.get_param(i);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:352:18
[INFO] [stdout]     |
[INFO] [stdout] 352 |                 0...2 => self.0.get_param(index),
[INFO] [stdout]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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:232:39
[INFO] [stdout]     |
[INFO] [stdout] 232 | impl<'a> AddAssign<Param> for &'a mut RangedParam {
[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] 232 - impl<'a> AddAssign<Param> for &'a mut RangedParam {
[INFO] [stdout] 232 + impl<'a> AddAssign<Param> for &'a mut dyn RangedParam {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:155:51
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn get_param(&mut self, index: usize) -> &mut RangedParam;
[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] 155 -     fn get_param(&mut self, index: usize) -> &mut RangedParam;
[INFO] [stdout] 155 +     fn get_param(&mut self, index: usize) -> &mut dyn RangedParam;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/param_set.rs:84:51
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn get_param(&mut self, index: usize) -> &mut RangedParam {
[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] 84 -     fn get_param(&mut self, index: usize) -> &mut RangedParam {
[INFO] [stdout] 84 +     fn get_param(&mut self, index: usize) -> &mut dyn RangedParam {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/param_set.rs:99:51
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn get_param(&mut self, index: usize) -> &mut RangedParam {
[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] 99 -     fn get_param(&mut self, index: usize) -> &mut RangedParam {
[INFO] [stdout] 99 +     fn get_param(&mut self, index: usize) -> &mut dyn RangedParam {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:274:55
[INFO] [stdout]     |
[INFO] [stdout] 274 |         fn get_param(&mut self, index: usize) -> &mut RangedParam {
[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] 274 -         fn get_param(&mut self, index: usize) -> &mut RangedParam {
[INFO] [stdout] 274 +         fn get_param(&mut self, index: usize) -> &mut dyn RangedParam {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:350:55
[INFO] [stdout]     |
[INFO] [stdout] 350 |         fn get_param(&mut self, index: usize) -> &mut RangedParam {
[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] 350 -         fn get_param(&mut self, index: usize) -> &mut RangedParam {
[INFO] [stdout] 350 +         fn get_param(&mut self, index: usize) -> &mut dyn RangedParam {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mutation.rs:86:25
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut p: &mut RangedParam = holder.get_param(i);
[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] 86 -         let mut p: &mut RangedParam = holder.get_param(i);
[INFO] [stdout] 86 +         let mut p: &mut dyn RangedParam = holder.get_param(i);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/genotype-83a9ae317efb7683)
[INFO] running `Command { std: "docker" "inspect" "22e58a327312632b39a71be755aedb9762115b835692c1ee3bb19f4c42636294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22e58a327312632b39a71be755aedb9762115b835692c1ee3bb19f4c42636294", kill_on_drop: false }`
[INFO] [stdout] 22e58a327312632b39a71be755aedb9762115b835692c1ee3bb19f4c42636294
[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] [stdout] 387bd0b2c6efc46c9f66c59fabfc77308e97c53323d23019c3f431cd99f1e6b6
[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" "387bd0b2c6efc46c9f66c59fabfc77308e97c53323d23019c3f431cd99f1e6b6", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:232:39
[INFO] [stderr]     |
[INFO] [stderr] 232 | impl<'a> AddAssign<Param> for &'a mut RangedParam {
[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] 232 - impl<'a> AddAssign<Param> for &'a mut RangedParam {
[INFO] [stderr] 232 + impl<'a> AddAssign<Param> for &'a mut dyn RangedParam {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:155:51
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn get_param(&mut self, index: usize) -> &mut RangedParam;
[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] 155 -     fn get_param(&mut self, index: usize) -> &mut RangedParam;
[INFO] [stderr] 155 +     fn get_param(&mut self, index: usize) -> &mut dyn RangedParam;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/param_set.rs:84:51
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn get_param(&mut self, index: usize) -> &mut RangedParam {
[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] 84 -     fn get_param(&mut self, index: usize) -> &mut RangedParam {
[INFO] [stderr] 84 +     fn get_param(&mut self, index: usize) -> &mut dyn RangedParam {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/param_set.rs:99:51
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn get_param(&mut self, index: usize) -> &mut RangedParam {
[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] 99 -     fn get_param(&mut self, index: usize) -> &mut RangedParam {
[INFO] [stderr] 99 +     fn get_param(&mut self, index: usize) -> &mut dyn RangedParam {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mutation.rs:86:25
[INFO] [stderr]    |
[INFO] [stderr] 86 |         let mut p: &mut RangedParam = holder.get_param(i);
[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] 86 -         let mut p: &mut RangedParam = holder.get_param(i);
[INFO] [stderr] 86 +         let mut p: &mut dyn RangedParam = holder.get_param(i);
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `genotype` (lib) generated 5 warnings
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:352:18
[INFO] [stderr]     |
[INFO] [stderr] 352 |                 0...2 => self.0.get_param(index),
[INFO] [stderr]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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:274:55
[INFO] [stderr]     |
[INFO] [stderr] 274 |         fn get_param(&mut self, index: usize) -> &mut RangedParam {
[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] 274 -         fn get_param(&mut self, index: usize) -> &mut RangedParam {
[INFO] [stderr] 274 +         fn get_param(&mut self, index: usize) -> &mut dyn RangedParam {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:350:55
[INFO] [stderr]     |
[INFO] [stderr] 350 |         fn get_param(&mut self, index: usize) -> &mut RangedParam {
[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] 350 -         fn get_param(&mut self, index: usize) -> &mut RangedParam {
[INFO] [stderr] 350 +         fn get_param(&mut self, index: usize) -> &mut dyn RangedParam {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `genotype` (lib test) generated 8 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/genotype-83a9ae317efb7683)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_clamp ... ok
[INFO] [stdout] test tests::test_paramset ... ok
[INFO] [stdout] test tests::test_mutate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests genotype
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - RangedParam::range (line 205) ... ok
[INFO] [stdout] test src/mutation.rs - mutation (line 4) ... ok
[INFO] [stdout] test src/lib.rs - RangedParam::range (line 194) ... ok
[INFO] [stdout] test src/lib.rs - RangedParam (line 163) ... ok
[INFO] [stdout] test src/param_set.rs - param_set (line 3) ... ok
[INFO] [stdout] test src/lib.rs - ParamHolder (line 100) ... ok
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "387bd0b2c6efc46c9f66c59fabfc77308e97c53323d23019c3f431cd99f1e6b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "387bd0b2c6efc46c9f66c59fabfc77308e97c53323d23019c3f431cd99f1e6b6", kill_on_drop: false }`
[INFO] [stdout] 387bd0b2c6efc46c9f66c59fabfc77308e97c53323d23019c3f431cd99f1e6b6