[INFO] fetching crate midpoint 0.1.5...
[INFO] testing midpoint-0.1.5 against 1.75.0 for beta-1.76-1
[INFO] extracting crate midpoint 0.1.5 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate midpoint 0.1.5 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate midpoint 0.1.5
[INFO] finished tweaking crates.io crate midpoint 0.1.5
[INFO] tweaked toml for crates.io crate midpoint 0.1.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded epsi v0.1.1
[INFO] [stderr]   Downloaded epui v0.1.1
[INFO] [stderr]   Downloaded primitive_promotion v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0afe36b26f4fa5295205295aa0d0e2291615ba158096a5a023ce7d29d12e322f
[INFO] running `Command { std: "docker" "start" "-a" "0afe36b26f4fa5295205295aa0d0e2291615ba158096a5a023ce7d29d12e322f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0afe36b26f4fa5295205295aa0d0e2291615ba158096a5a023ce7d29d12e322f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0afe36b26f4fa5295205295aa0d0e2291615ba158096a5a023ce7d29d12e322f", kill_on_drop: false }`
[INFO] [stdout] 0afe36b26f4fa5295205295aa0d0e2291615ba158096a5a023ce7d29d12e322f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d646452d5cb64ce54e82fce1abc6a740b92bb279cb2fe35cf803aa6c1cbdc0a3
[INFO] running `Command { std: "docker" "start" "-a" "d646452d5cb64ce54e82fce1abc6a740b92bb279cb2fe35cf803aa6c1cbdc0a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling epsi v0.1.1
[INFO] [stderr]    Compiling primitive_promotion v0.1.4
[INFO] [stderr]    Compiling epui v0.1.1
[INFO] [stderr]    Compiling midpoint v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "d646452d5cb64ce54e82fce1abc6a740b92bb279cb2fe35cf803aa6c1cbdc0a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d646452d5cb64ce54e82fce1abc6a740b92bb279cb2fe35cf803aa6c1cbdc0a3", kill_on_drop: false }`
[INFO] [stdout] d646452d5cb64ce54e82fce1abc6a740b92bb279cb2fe35cf803aa6c1cbdc0a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e88fa13fe18b26c6a37511ea8706e5aacb09070974b2f3d9eb83fde83294fe8e
[INFO] running `Command { std: "docker" "start" "-a" "e88fa13fe18b26c6a37511ea8706e5aacb09070974b2f3d9eb83fde83294fe8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling plotters-svg v0.3.5
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling csv v1.3.0
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling midpoint v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     feature(const_trait_impl)
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     feature(const_fn_trait_bound)
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `const_fn_trait_bound` has been stable since `1.61.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     feature(unchecked_math)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     feature(const_inherent_unchecked_arith)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_fn_trait_bound` has been stable since 1.61.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     feature(const_fn_trait_bound)
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     feature(unchecked_math)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |     feature(const_inherent_unchecked_arith)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `const_inherent_unchecked_arith`
[INFO] [stdout]   --> src/lib.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |     feature(const_inherent_unchecked_arith)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: ~const can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/common_macros.rs:126:25
[INFO] [stdout]     |
[INFO] [stdout] 126 |           where T: ~const $trait_name
[INFO] [stdout]     |                           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/bitwise.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout] 1   | / try_impl_generic_const_fn_for_trait!(
[INFO] [stdout] 2   | |     MidpointViaBitwiseOpsExt::midpoint_via_bitwise_ops
[INFO] [stdout] 3   | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_impl_generic_const_fn_for_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: ~const can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/common_macros.rs:126:25
[INFO] [stdout]     |
[INFO] [stdout] 126 |           where T: ~const $trait_name
[INFO] [stdout]     |                           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/cpp_20_std.rs:3:1
[INFO] [stdout]     |
[INFO] [stdout] 3   | / try_impl_generic_const_fn_for_trait!(
[INFO] [stdout] 4   | |     MidpointViaCpp20StdImplementationExt::midpoint_via_cpp_20_std_implementation
[INFO] [stdout] 5   | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_impl_generic_const_fn_for_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: ~const can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/common_macros.rs:139:25
[INFO] [stdout]     |
[INFO] [stdout] 139 |           where T: ~const $trait_name
[INFO] [stdout]     |                           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/naive.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout] 1   | / try_impl_unsafe_generic_const_fn_for_trait!(
[INFO] [stdout] 2   | |     NaiveMidpointExt::naive_midpoint
[INFO] [stdout] 3   | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_impl_unsafe_generic_const_fn_for_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: ~const can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/common_macros.rs:139:25
[INFO] [stdout]     |
[INFO] [stdout] 139 |           where T: ~const $trait_name
[INFO] [stdout]     |                           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/naive_midpoint_diff.rs:3:1
[INFO] [stdout]     |
[INFO] [stdout] 3   | / try_impl_unsafe_generic_const_fn_for_trait!(
[INFO] [stdout] 4   | |     MidpointViaNaiveMidpointDiffExt::midpoint_via_naive_midpoint_diff
[INFO] [stdout] 5   | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_impl_unsafe_generic_const_fn_for_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: ~const can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/common_macros.rs:126:25
[INFO] [stdout]     |
[INFO] [stdout] 126 |           where T: ~const $trait_name
[INFO] [stdout]     |                           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/primitive_promotion.rs:3:1
[INFO] [stdout]     |
[INFO] [stdout] 3   | / try_impl_generic_const_fn_for_trait!(
[INFO] [stdout] 4   | |     MidpointViaPrimitivePromotionExt::midpoint_via_primitive_promotion
[INFO] [stdout] 5   | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_impl_generic_const_fn_for_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `midpoint` (lib test) due to 13 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e88fa13fe18b26c6a37511ea8706e5aacb09070974b2f3d9eb83fde83294fe8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e88fa13fe18b26c6a37511ea8706e5aacb09070974b2f3d9eb83fde83294fe8e", kill_on_drop: false }`
[INFO] [stdout] e88fa13fe18b26c6a37511ea8706e5aacb09070974b2f3d9eb83fde83294fe8e
[INFO] testing midpoint-0.1.5 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate midpoint 0.1.5 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate midpoint 0.1.5 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate midpoint 0.1.5
[INFO] finished tweaking crates.io crate midpoint 0.1.5
[INFO] tweaked toml for crates.io crate midpoint 0.1.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 769de1935e31c3f4c02cf20eb7edf4742d6acf0309659a553639f6f4d175b5e4
[INFO] running `Command { std: "docker" "start" "-a" "769de1935e31c3f4c02cf20eb7edf4742d6acf0309659a553639f6f4d175b5e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "769de1935e31c3f4c02cf20eb7edf4742d6acf0309659a553639f6f4d175b5e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "769de1935e31c3f4c02cf20eb7edf4742d6acf0309659a553639f6f4d175b5e4", kill_on_drop: false }`
[INFO] [stdout] 769de1935e31c3f4c02cf20eb7edf4742d6acf0309659a553639f6f4d175b5e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce7626bd8c8bb4a4888fb5ee49426fee95f6f59d34d1ab008d432ad18bca0b1f
[INFO] running `Command { std: "docker" "start" "-a" "ce7626bd8c8bb4a4888fb5ee49426fee95f6f59d34d1ab008d432ad18bca0b1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling primitive_promotion v0.1.4
[INFO] [stderr]    Compiling epui v0.1.1
[INFO] [stderr]    Compiling epsi v0.1.1
[INFO] [stderr]    Compiling midpoint v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "ce7626bd8c8bb4a4888fb5ee49426fee95f6f59d34d1ab008d432ad18bca0b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce7626bd8c8bb4a4888fb5ee49426fee95f6f59d34d1ab008d432ad18bca0b1f", kill_on_drop: false }`
[INFO] [stdout] ce7626bd8c8bb4a4888fb5ee49426fee95f6f59d34d1ab008d432ad18bca0b1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6657b58c60f6a558314dcf58593a22df7a619359026ffb8bf61d2b947c6af19
[INFO] running `Command { std: "docker" "start" "-a" "d6657b58c60f6a558314dcf58593a22df7a619359026ffb8bf61d2b947c6af19", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling plotters-svg v0.3.5
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling csv v1.3.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling midpoint v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     feature(const_trait_impl)
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     feature(const_fn_trait_bound)
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `const_fn_trait_bound` has been stable since `1.61.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     feature(unchecked_math)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     feature(const_inherent_unchecked_arith)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_fn_trait_bound` has been stable since 1.61.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     feature(const_fn_trait_bound)
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     feature(unchecked_math)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |     feature(const_inherent_unchecked_arith)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `const_inherent_unchecked_arith`
[INFO] [stdout]   --> src/lib.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |     feature(const_inherent_unchecked_arith)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: ~const can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/common_macros.rs:126:25
[INFO] [stdout]     |
[INFO] [stdout] 126 |           where T: ~const $trait_name
[INFO] [stdout]     |                           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/bitwise.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout] 1   | / try_impl_generic_const_fn_for_trait!(
[INFO] [stdout] 2   | |     MidpointViaBitwiseOpsExt::midpoint_via_bitwise_ops
[INFO] [stdout] 3   | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_impl_generic_const_fn_for_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: ~const can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/common_macros.rs:126:25
[INFO] [stdout]     |
[INFO] [stdout] 126 |           where T: ~const $trait_name
[INFO] [stdout]     |                           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/cpp_20_std.rs:3:1
[INFO] [stdout]     |
[INFO] [stdout] 3   | / try_impl_generic_const_fn_for_trait!(
[INFO] [stdout] 4   | |     MidpointViaCpp20StdImplementationExt::midpoint_via_cpp_20_std_implementation
[INFO] [stdout] 5   | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_impl_generic_const_fn_for_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: ~const can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/common_macros.rs:139:25
[INFO] [stdout]     |
[INFO] [stdout] 139 |           where T: ~const $trait_name
[INFO] [stdout]     |                           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/naive.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout] 1   | / try_impl_unsafe_generic_const_fn_for_trait!(
[INFO] [stdout] 2   | |     NaiveMidpointExt::naive_midpoint
[INFO] [stdout] 3   | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_impl_unsafe_generic_const_fn_for_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: ~const can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/common_macros.rs:139:25
[INFO] [stdout]     |
[INFO] [stdout] 139 |           where T: ~const $trait_name
[INFO] [stdout]     |                           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/naive_midpoint_diff.rs:3:1
[INFO] [stdout]     |
[INFO] [stdout] 3   | / try_impl_unsafe_generic_const_fn_for_trait!(
[INFO] [stdout] 4   | |     MidpointViaNaiveMidpointDiffExt::midpoint_via_naive_midpoint_diff
[INFO] [stdout] 5   | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_impl_unsafe_generic_const_fn_for_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: ~const can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/common_macros.rs:126:25
[INFO] [stdout]     |
[INFO] [stdout] 126 |           where T: ~const $trait_name
[INFO] [stdout]     |                           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/primitive_promotion.rs:3:1
[INFO] [stdout]     |
[INFO] [stdout] 3   | / try_impl_generic_const_fn_for_trait!(
[INFO] [stdout] 4   | |     MidpointViaPrimitivePromotionExt::midpoint_via_primitive_promotion
[INFO] [stdout] 5   | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_impl_generic_const_fn_for_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `midpoint` (lib test) due to 13 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "d6657b58c60f6a558314dcf58593a22df7a619359026ffb8bf61d2b947c6af19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6657b58c60f6a558314dcf58593a22df7a619359026ffb8bf61d2b947c6af19", kill_on_drop: false }`
[INFO] [stdout] d6657b58c60f6a558314dcf58593a22df7a619359026ffb8bf61d2b947c6af19
