[INFO] fetching crate discrimination 0.0.2...
[INFO] testing discrimination-0.0.2 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate discrimination 0.0.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate discrimination 0.0.2
[INFO] finished tweaking crates.io crate discrimination 0.0.2
[INFO] tweaked toml for crates.io crate discrimination 0.0.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate discrimination 0.0.2 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to highest compatible versions
[INFO] [stderr]       Adding parking_lot v0.3.8 (available: v0.12.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `discrimination` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 03c94c08e88a28c17a8030b1085dafdd7656ea86cd894abf38abe372c5dd47d0
[INFO] running `Command { std: "docker" "start" "03c94c08e88a28c17a8030b1085dafdd7656ea86cd894abf38abe372c5dd47d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03c94c08e88a28c17a8030b1085dafdd7656ea86cd894abf38abe372c5dd47d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "03c94c08e88a28c17a8030b1085dafdd7656ea86cd894abf38abe372c5dd47d0" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03c94c08e88a28c17a8030b1085dafdd7656ea86cd894abf38abe372c5dd47d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "03c94c08e88a28c17a8030b1085dafdd7656ea86cd894abf38abe372c5dd47d0" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `discrimination` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.191
[INFO] [stderr]    Compiling owning_ref v0.2.4
[INFO] [stderr]    Compiling either v1.19.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling parking_lot v0.3.8
[INFO] [stderr]    Compiling discrimination v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `8`
[INFO] [stdout]    --> src/discriminator.rs:471:17
[INFO] [stdout]     |
[INFO] [stdout] 471 |         if cfg!(target_pointer_width = "8") {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] help: `8` is an expected value for `target_has_atomic`
[INFO] [stdout]     |
[INFO] [stdout] 471 -         if cfg!(target_pointer_width = "8") {
[INFO] [stdout] 471 +         if cfg!(target_has_atomic = "8") {
[INFO] [stdout]     |
[INFO] [stdout] help: `8` is an expected value for `target_has_atomic_load_store`
[INFO] [stdout]     |
[INFO] [stdout] 471 -         if cfg!(target_pointer_width = "8") {
[INFO] [stdout] 471 +         if cfg!(target_has_atomic_load_store = "8") {
[INFO] [stdout]     |
[INFO] [stdout] help: `8` is an expected value for `target_has_atomic_primitive_alignment`
[INFO] [stdout]     |
[INFO] [stdout] 471 -         if cfg!(target_pointer_width = "8") {
[INFO] [stdout] 471 +         if cfg!(target_has_atomic_primitive_alignment = "8") {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u8::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/discriminator.rs:450:46
[INFO] [stdout]     |
[INFO] [stdout] 450 |                  Natural { limit: ::std::u8::MAX as usize,
[INFO] [stdout]     |                                              ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u16::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/discriminator.rs:480:51
[INFO] [stdout]     |
[INFO] [stdout] 480 |                      Natural { limit: ::std::u16::MAX as usize,
[INFO] [stdout]     |                                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/discriminator.rs:98:24
[INFO] [stdout]    |
[INFO] [stdout] 98 |     Trivial(Option<Box<DoubleEndedIterator<Item = (K, V)> + 'a>>),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 98 |     Trivial(Option<Box<dyn DoubleEndedIterator<Item = (K, V)> + 'a>>),
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/discriminator.rs:101:16
[INFO] [stdout]     |
[INFO] [stdout] 101 |     Opaque(Box<DoubleEndedIterator<Item = DiscriminateSortedGroup<'a, K, V>> + 'a>),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 101 |     Opaque(Box<dyn DoubleEndedIterator<Item = DiscriminateSortedGroup<'a, K, V>> + 'a>),
[INFO] [stdout]     |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/discriminator.rs:227:17
[INFO] [stdout]     |
[INFO] [stdout] 227 |     Trivial(Box<DoubleEndedIterator<Item = (K, V)> + 'a>),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 227 |     Trivial(Box<dyn DoubleEndedIterator<Item = (K, V)> + 'a>),
[INFO] [stdout]     |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/discriminator.rs:229:16
[INFO] [stdout]     |
[INFO] [stdout] 229 |     Opaque(Box<DoubleEndedIterator<Item = V> + 'a>),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 229 |     Opaque(Box<dyn DoubleEndedIterator<Item = V> + 'a>),
[INFO] [stdout]     |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 3.64s
[INFO] running `Command { std: "docker" "inspect" "03c94c08e88a28c17a8030b1085dafdd7656ea86cd894abf38abe372c5dd47d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "03c94c08e88a28c17a8030b1085dafdd7656ea86cd894abf38abe372c5dd47d0" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `discrimination` (manifest) generated 1 warning
[INFO] [stdout] warning: unexpected `cfg` condition value: `8`
[INFO] [stdout]    --> src/discriminator.rs:471:17
[INFO] [stdout]     |
[INFO] [stdout] 471 |         if cfg!(target_pointer_width = "8") {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] help: `8` is an expected value for `target_has_atomic`
[INFO] [stdout]     |
[INFO] [stdout] 471 -         if cfg!(target_pointer_width = "8") {
[INFO] [stdout] 471 +         if cfg!(target_has_atomic = "8") {
[INFO] [stdout]     |
[INFO] [stdout] help: `8` is an expected value for `target_has_atomic_load_store`
[INFO] [stdout]     |
[INFO] [stdout] 471 -         if cfg!(target_pointer_width = "8") {
[INFO] [stdout] 471 +         if cfg!(target_has_atomic_load_store = "8") {
[INFO] [stdout]     |
[INFO] [stdout] help: `8` is an expected value for `target_has_atomic_primitive_alignment`
[INFO] [stdout]     |
[INFO] [stdout] 471 -         if cfg!(target_pointer_width = "8") {
[INFO] [stdout] 471 +         if cfg!(target_has_atomic_primitive_alignment = "8") {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u8::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/discriminator.rs:450:46
[INFO] [stdout]     |
[INFO] [stdout] 450 |                  Natural { limit: ::std::u8::MAX as usize,
[INFO] [stdout]     |                                              ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u16::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/discriminator.rs:480:51
[INFO] [stdout]     |
[INFO] [stdout] 480 |                      Natural { limit: ::std::u16::MAX as usize,
[INFO] [stdout]     |                                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/discriminator.rs:98:24
[INFO] [stdout]    |
[INFO] [stdout] 98 |     Trivial(Option<Box<DoubleEndedIterator<Item = (K, V)> + 'a>>),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 98 |     Trivial(Option<Box<dyn DoubleEndedIterator<Item = (K, V)> + 'a>>),
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/discriminator.rs:101:16
[INFO] [stdout]     |
[INFO] [stdout] 101 |     Opaque(Box<DoubleEndedIterator<Item = DiscriminateSortedGroup<'a, K, V>> + 'a>),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 101 |     Opaque(Box<dyn DoubleEndedIterator<Item = DiscriminateSortedGroup<'a, K, V>> + 'a>),
[INFO] [stdout]     |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/discriminator.rs:227:17
[INFO] [stdout]     |
[INFO] [stdout] 227 |     Trivial(Box<DoubleEndedIterator<Item = (K, V)> + 'a>),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 227 |     Trivial(Box<dyn DoubleEndedIterator<Item = (K, V)> + 'a>),
[INFO] [stdout]     |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/discriminator.rs:229:16
[INFO] [stdout]     |
[INFO] [stdout] 229 |     Opaque(Box<DoubleEndedIterator<Item = V> + 'a>),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 229 |     Opaque(Box<dyn DoubleEndedIterator<Item = V> + 'a>),
[INFO] [stdout]     |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling discrimination v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `8`
[INFO] [stdout]    --> src/discriminator.rs:471:17
[INFO] [stdout]     |
[INFO] [stdout] 471 |         if cfg!(target_pointer_width = "8") {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] help: `8` is an expected value for `target_has_atomic`
[INFO] [stdout]     |
[INFO] [stdout] 471 -         if cfg!(target_pointer_width = "8") {
[INFO] [stdout] 471 +         if cfg!(target_has_atomic = "8") {
[INFO] [stdout]     |
[INFO] [stdout] help: `8` is an expected value for `target_has_atomic_load_store`
[INFO] [stdout]     |
[INFO] [stdout] 471 -         if cfg!(target_pointer_width = "8") {
[INFO] [stdout] 471 +         if cfg!(target_has_atomic_load_store = "8") {
[INFO] [stdout]     |
[INFO] [stdout] help: `8` is an expected value for `target_has_atomic_primitive_alignment`
[INFO] [stdout]     |
[INFO] [stdout] 471 -         if cfg!(target_pointer_width = "8") {
[INFO] [stdout] 471 +         if cfg!(target_has_atomic_primitive_alignment = "8") {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u8::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/discriminator.rs:450:46
[INFO] [stdout]     |
[INFO] [stdout] 450 |                  Natural { limit: ::std::u8::MAX as usize,
[INFO] [stdout]     |                                              ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u16::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/discriminator.rs:480:51
[INFO] [stdout]     |
[INFO] [stdout] 480 |                      Natural { limit: ::std::u16::MAX as usize,
[INFO] [stdout]     |                                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/discriminator.rs:98:24
[INFO] [stdout]    |
[INFO] [stdout] 98 |     Trivial(Option<Box<DoubleEndedIterator<Item = (K, V)> + 'a>>),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 98 |     Trivial(Option<Box<dyn DoubleEndedIterator<Item = (K, V)> + 'a>>),
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/discriminator.rs:101:16
[INFO] [stdout]     |
[INFO] [stdout] 101 |     Opaque(Box<DoubleEndedIterator<Item = DiscriminateSortedGroup<'a, K, V>> + 'a>),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 101 |     Opaque(Box<dyn DoubleEndedIterator<Item = DiscriminateSortedGroup<'a, K, V>> + 'a>),
[INFO] [stdout]     |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/discriminator.rs:227:17
[INFO] [stdout]     |
[INFO] [stdout] 227 |     Trivial(Box<DoubleEndedIterator<Item = (K, V)> + 'a>),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 227 |     Trivial(Box<dyn DoubleEndedIterator<Item = (K, V)> + 'a>),
[INFO] [stdout]     |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/discriminator.rs:229:16
[INFO] [stdout]     |
[INFO] [stdout] 229 |     Opaque(Box<DoubleEndedIterator<Item = V> + 'a>),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 229 |     Opaque(Box<dyn DoubleEndedIterator<Item = V> + 'a>),
[INFO] [stdout]     |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "03c94c08e88a28c17a8030b1085dafdd7656ea86cd894abf38abe372c5dd47d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "03c94c08e88a28c17a8030b1085dafdd7656ea86cd894abf38abe372c5dd47d0" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `discrimination` (manifest) generated 1 warning
[INFO] [stderr] warning: unexpected `cfg` condition value: `8`
[INFO] [stderr]    --> src/discriminator.rs:471:17
[INFO] [stderr]     |
[INFO] [stderr] 471 |         if cfg!(target_pointer_width = "8") {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] help: `8` is an expected value for `target_has_atomic`
[INFO] [stderr]     |
[INFO] [stderr] 471 -         if cfg!(target_pointer_width = "8") {
[INFO] [stderr] 471 +         if cfg!(target_has_atomic = "8") {
[INFO] [stderr]     |
[INFO] [stderr] help: `8` is an expected value for `target_has_atomic_load_store`
[INFO] [stderr]     |
[INFO] [stderr] 471 -         if cfg!(target_pointer_width = "8") {
[INFO] [stderr] 471 +         if cfg!(target_has_atomic_load_store = "8") {
[INFO] [stderr]     |
[INFO] [stderr] help: `8` is an expected value for `target_has_atomic_primitive_alignment`
[INFO] [stderr]     |
[INFO] [stderr] 471 -         if cfg!(target_pointer_width = "8") {
[INFO] [stderr] 471 +         if cfg!(target_has_atomic_primitive_alignment = "8") {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::u8::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stderr]    --> src/discriminator.rs:450:46
[INFO] [stderr]     |
[INFO] [stderr] 450 |                  Natural { limit: ::std::u8::MAX as usize,
[INFO] [stderr]     |                                              ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::u16::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stderr]    --> src/discriminator.rs:480:51
[INFO] [stderr]     |
[INFO] [stderr] 480 |                      Natural { limit: ::std::u16::MAX as usize,
[INFO] [stderr]     |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/discriminator.rs:98:24
[INFO] [stderr]    |
[INFO] [stderr] 98 |     Trivial(Option<Box<DoubleEndedIterator<Item = (K, V)> + 'a>>),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 98 |     Trivial(Option<Box<dyn DoubleEndedIterator<Item = (K, V)> + 'a>>),
[INFO] [stderr]    |                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/discriminator.rs:101:16
[INFO] [stderr]     |
[INFO] [stderr] 101 |     Opaque(Box<DoubleEndedIterator<Item = DiscriminateSortedGroup<'a, K, V>> + 'a>),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 101 |     Opaque(Box<dyn DoubleEndedIterator<Item = DiscriminateSortedGroup<'a, K, V>> + 'a>),
[INFO] [stderr]     |                +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/discriminator.rs:227:17
[INFO] [stderr]     |
[INFO] [stderr] 227 |     Trivial(Box<DoubleEndedIterator<Item = (K, V)> + 'a>),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 227 |     Trivial(Box<dyn DoubleEndedIterator<Item = (K, V)> + 'a>),
[INFO] [stderr]     |                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/discriminator.rs:229:16
[INFO] [stderr]     |
[INFO] [stderr] 229 |     Opaque(Box<DoubleEndedIterator<Item = V> + 'a>),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 229 |     Opaque(Box<dyn DoubleEndedIterator<Item = V> + 'a>),
[INFO] [stderr]     |                +++
[INFO] [stderr] 
[INFO] [stderr] warning: `discrimination` (lib) generated 7 warnings (run `cargo fix --lib -p discrimination` to apply 4 suggestions)
[INFO] [stderr] warning: `discrimination` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/discrimination/cebede33044d4d43/out/discrimination-cebede33044d4d43)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests discrimination
[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" "03c94c08e88a28c17a8030b1085dafdd7656ea86cd894abf38abe372c5dd47d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03c94c08e88a28c17a8030b1085dafdd7656ea86cd894abf38abe372c5dd47d0", kill_on_drop: false }`
[INFO] [stdout] 03c94c08e88a28c17a8030b1085dafdd7656ea86cd894abf38abe372c5dd47d0
