[INFO] fetching crate bitbuf 1.0.0...
[INFO] testing bitbuf-1.0.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate bitbuf 1.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate bitbuf 1.0.0
[INFO] finished tweaking crates.io crate bitbuf 1.0.0
[INFO] tweaked toml for crates.io crate bitbuf 1.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bitbuf 1.0.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78d2c5a0ea44df1bcc30c9305f6ce641ad9d0b2a87188d7dadd907d1f247d40d
[INFO] running `Command { std: "docker" "start" "-a" "78d2c5a0ea44df1bcc30c9305f6ce641ad9d0b2a87188d7dadd907d1f247d40d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78d2c5a0ea44df1bcc30c9305f6ce641ad9d0b2a87188d7dadd907d1f247d40d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78d2c5a0ea44df1bcc30c9305f6ce641ad9d0b2a87188d7dadd907d1f247d40d", kill_on_drop: false }`
[INFO] [stdout] 78d2c5a0ea44df1bcc30c9305f6ce641ad9d0b2a87188d7dadd907d1f247d40d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c230ae7086e989c3527e37f56c6701134c30729bd04dce7f441c06af2161d097
[INFO] running `Command { std: "docker" "start" "-a" "c230ae7086e989c3527e37f56c6701134c30729bd04dce7f441c06af2161d097", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling bitbuf v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable library feature `test`: `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/lib.rs:658:3
[INFO] [stdout]     |
[INFO] [stdout] 658 | #[bench]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`: `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/lib.rs:676:3
[INFO] [stdout]     |
[INFO] [stdout] 676 | #[bench]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`: `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/lib.rs:697:3
[INFO] [stdout]     |
[INFO] [stdout] 697 | #[bench]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`: `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/lib.rs:704:3
[INFO] [stdout]     |
[INFO] [stdout] 704 | #[bench]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`: `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/lib.rs:715:3
[INFO] [stdout]     |
[INFO] [stdout] 715 | #[bench]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`: `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/lib.rs:729:3
[INFO] [stdout]     |
[INFO] [stdout] 729 | #[bench]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`: `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/lib.rs:740:3
[INFO] [stdout]     |
[INFO] [stdout] 740 | #[bench]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`: `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/lib.rs:754:3
[INFO] [stdout]     |
[INFO] [stdout] 754 | #[bench]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`: `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/lib.rs:765:3
[INFO] [stdout]     |
[INFO] [stdout] 765 | #[bench]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`: `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/lib.rs:776:3
[INFO] [stdout]     |
[INFO] [stdout] 776 | #[bench]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`: `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/lib.rs:790:3
[INFO] [stdout]     |
[INFO] [stdout] 790 | #[bench]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`: `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/lib.rs:801:3
[INFO] [stdout]     |
[INFO] [stdout] 801 | #[bench]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`: `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/lib.rs:812:3
[INFO] [stdout]     |
[INFO] [stdout] 812 | #[bench]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/lib.rs:101:28
[INFO] [stdout]     |
[INFO] [stdout] 101 |         self.in_write_byte((if value {1} else {0}), 1);
[INFO] [stdout]     |                            ^                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 101 -         self.in_write_byte((if value {1} else {0}), 1);
[INFO] [stdout] 101 +         self.in_write_byte(if value {1} else {0}, 1);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitbuf` (lib) due to 13 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "c230ae7086e989c3527e37f56c6701134c30729bd04dce7f441c06af2161d097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c230ae7086e989c3527e37f56c6701134c30729bd04dce7f441c06af2161d097", kill_on_drop: false }`
[INFO] [stdout] c230ae7086e989c3527e37f56c6701134c30729bd04dce7f441c06af2161d097