[INFO] fetching crate proptest-arbitrary 0.2.2...
[INFO] checking proptest-arbitrary-0.2.2 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate proptest-arbitrary 0.2.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate proptest-arbitrary 0.2.2 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate proptest-arbitrary 0.2.2
[INFO] finished tweaking crates.io crate proptest-arbitrary 0.2.2
[INFO] tweaked toml for crates.io crate proptest-arbitrary 0.2.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded frunk_core v0.0.21
[INFO] [stderr]   Downloaded derive_more v0.7.1
[INFO] [stderr]   Downloaded frunk_derives v0.0.22
[INFO] [stderr]   Downloaded proptest v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2119728d9dfd679969b5440d981e62df5a409bf34455f090d3430842f8c263ba
[INFO] running `Command { std: "docker" "start" "-a" "2119728d9dfd679969b5440d981e62df5a409bf34455f090d3430842f8c263ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2119728d9dfd679969b5440d981e62df5a409bf34455f090d3430842f8c263ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2119728d9dfd679969b5440d981e62df5a409bf34455f090d3430842f8c263ba", kill_on_drop: false }`
[INFO] [stdout] 2119728d9dfd679969b5440d981e62df5a409bf34455f090d3430842f8c263ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75a254b3cfd602ab45cc503960fffd429d24edbba450aa2f958a3b36526f346a
[INFO] running `Command { std: "docker" "start" "-a" "75a254b3cfd602ab45cc503960fffd429d24edbba450aa2f958a3b36526f346a", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]    Compiling frunk_core v0.0.21
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling proptest-arbitrary v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking proptest v0.3.4
[INFO] [stderr]    Compiling derive_more v0.7.1
[INFO] [stderr]    Compiling frunk_derives v0.0.22
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/_std/string.rs:148:15
[INFO] [stdout]     |
[INFO] [stdout] 148 |         0xE1u8...0xECu8 => 0x80u8..0xC0u8,
[INFO] [stdout]     |               ^^^ help: use `..=` for an inclusive range
[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]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/_std/string.rs:150:15
[INFO] [stdout]     |
[INFO] [stdout] 150 |         0xEEu8...0xEFu8 => 0x80u8..0xA0u8,
[INFO] [stdout]     |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/_std/string.rs:155:15
[INFO] [stdout]     |
[INFO] [stdout] 155 |         0xE1u8...0xECu8 => prop_oneof![start_byte..0x80u8, 0xC0u8..],
[INFO] [stdout]     |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/_std/string.rs:157:15
[INFO] [stdout]     |
[INFO] [stdout] 157 |         0xEEu8...0xEFu8 => prop_oneof![start_byte..0x80u8, 0xA0u8..],
[INFO] [stdout]     |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/_std/string.rs:162:15
[INFO] [stdout]     |
[INFO] [stdout] 162 |         0xF1u8...0xF3u8 => prop_oneof![start_byte..0x80u8, 0xA0u8..],
[INFO] [stdout]     |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/_std/string.rs:168:15
[INFO] [stdout]     |
[INFO] [stdout] 168 |         0xF1u8...0xF3u8 => 0x80u8..0xA0u8,
[INFO] [stdout]     |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arrays::*`
[INFO] [stdout]    --> src/lib.rs:493:9
[INFO] [stdout]     |
[INFO] [stdout] 493 | pub use arrays::*;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/_std/string.rs:148:15
[INFO] [stdout]     |
[INFO] [stdout] 148 |         0xE1u8...0xECu8 => 0x80u8..0xC0u8,
[INFO] [stdout]     |               ^^^ help: use `..=` for an inclusive range
[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]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/_std/string.rs:150:15
[INFO] [stdout]     |
[INFO] [stdout] 150 |         0xEEu8...0xEFu8 => 0x80u8..0xA0u8,
[INFO] [stdout]     |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/_std/string.rs:155:15
[INFO] [stdout]     |
[INFO] [stdout] 155 |         0xE1u8...0xECu8 => prop_oneof![start_byte..0x80u8, 0xC0u8..],
[INFO] [stdout]     |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/_std/string.rs:157:15
[INFO] [stdout]     |
[INFO] [stdout] 157 |         0xEEu8...0xEFu8 => prop_oneof![start_byte..0x80u8, 0xA0u8..],
[INFO] [stdout]     |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/_std/string.rs:162:15
[INFO] [stdout]     |
[INFO] [stdout] 162 |         0xF1u8...0xF3u8 => prop_oneof![start_byte..0x80u8, 0xA0u8..],
[INFO] [stdout]     |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/_std/string.rs:168:15
[INFO] [stdout]     |
[INFO] [stdout] 168 |         0xF1u8...0xF3u8 => 0x80u8..0xA0u8,
[INFO] [stdout]     |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arrays::*`
[INFO] [stdout]    --> src/lib.rs:493:9
[INFO] [stdout]     |
[INFO] [stdout] 493 | pub use arrays::*;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> src/_std/io.rs:86:7
[INFO] [stdout]    |
[INFO] [stdout] 86 |     ].into_iter().map(Clone::clone).map(Just))
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 86 |     ].iter().map(Clone::clone).map(Just))
[INFO] [stdout]    |       ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 67 ~     IntoIterator::into_iter([ NotFound
[INFO] [stdout] 68 |     , PermissionDenied
[INFO] [stdout]  ...
[INFO] [stdout] 85 |     // TODO: watch this type for variant-additions.
[INFO] [stdout] 86 ~     ]).map(Clone::clone).map(Just))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]   --> src/_std/sync.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let (_, wtr) = wt.unwrap();
[INFO] [stdout]    |          ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider immediately dropping the value using `drop(..)` after the `let` statement
[INFO] [stdout]    = note: `#[deny(let_underscore_lock)]` on by default
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let (_unused, wtr) = wt.unwrap();
[INFO] [stdout]    |          ~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]   --> src/_std/sync.rs:71:10
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let (_, wtr) = wt.unwrap();
[INFO] [stdout]    |          ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider immediately dropping the value using `drop(..)` after the `let` statement
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let (_unused, wtr) = wt.unwrap();
[INFO] [stdout]    |          ~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proptest-arbitrary` (lib) due to 3 previous errors; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> src/_std/io.rs:86:7
[INFO] [stdout]    |
[INFO] [stdout] 86 |     ].into_iter().map(Clone::clone).map(Just))
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 86 |     ].iter().map(Clone::clone).map(Just))
[INFO] [stdout]    |       ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 67 ~     IntoIterator::into_iter([ NotFound
[INFO] [stdout] 68 |     , PermissionDenied
[INFO] [stdout]  ...
[INFO] [stdout] 85 |     // TODO: watch this type for variant-additions.
[INFO] [stdout] 86 ~     ]).map(Clone::clone).map(Just))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]   --> src/_std/sync.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let (_, wtr) = wt.unwrap();
[INFO] [stdout]    |          ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider immediately dropping the value using `drop(..)` after the `let` statement
[INFO] [stdout]    = note: `#[deny(let_underscore_lock)]` on by default
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let (_unused, wtr) = wt.unwrap();
[INFO] [stdout]    |          ~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]   --> src/_std/sync.rs:71:10
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let (_, wtr) = wt.unwrap();
[INFO] [stdout]    |          ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider immediately dropping the value using `drop(..)` after the `let` statement
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let (_unused, wtr) = wt.unwrap();
[INFO] [stdout]    |          ~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proptest-arbitrary` (lib test) due to 3 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "75a254b3cfd602ab45cc503960fffd429d24edbba450aa2f958a3b36526f346a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75a254b3cfd602ab45cc503960fffd429d24edbba450aa2f958a3b36526f346a", kill_on_drop: false }`
[INFO] [stdout] 75a254b3cfd602ab45cc503960fffd429d24edbba450aa2f958a3b36526f346a
