[INFO] fetching crate pretty-good 0.2.2...
[INFO] checking pretty-good-0.2.2 against nightly-2024-02-05 for check-cfg-2
[INFO] extracting crate pretty-good 0.2.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate pretty-good 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 pretty-good 0.2.2
[INFO] finished tweaking crates.io crate pretty-good 0.2.2
[INFO] tweaked toml for crates.io crate pretty-good 0.2.2 written to /workspace/builds/worker-6-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 byte-tools v0.2.0
[INFO] [stderr]   Downloaded memchr v1.0.2
[INFO] [stderr]   Downloaded generic-array v0.9.1
[INFO] [stderr]   Downloaded block-buffer v0.3.3
[INFO] [stderr]   Downloaded sha2 v0.7.1
[INFO] [stderr]   Downloaded md-5 v0.7.0
[INFO] [stderr]   Downloaded yasna v0.1.3
[INFO] [stderr]   Downloaded nom v3.2.1
[INFO] [stderr]   Downloaded bzip2 v0.3.3
[INFO] [stderr]   Downloaded bit-vec v0.4.4
[INFO] [stderr]   Downloaded ripemd160 v0.7.0
[INFO] [stderr]   Downloaded sha-1 v0.7.0
[INFO] [stderr]   Downloaded digest v0.7.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6aaab068341f00f9dd73a01a2459ea349039d1d979bade5793cbceedc7ceddb6
[INFO] running `Command { std: "docker" "start" "-a" "6aaab068341f00f9dd73a01a2459ea349039d1d979bade5793cbceedc7ceddb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6aaab068341f00f9dd73a01a2459ea349039d1d979bade5793cbceedc7ceddb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aaab068341f00f9dd73a01a2459ea349039d1d979bade5793cbceedc7ceddb6", kill_on_drop: false }`
[INFO] [stdout] 6aaab068341f00f9dd73a01a2459ea349039d1d979bade5793cbceedc7ceddb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 32c146012137f0e8b9686f747c9382061bd134c50b5a45c9b6c47022de6e86d7
[INFO] running `Command { std: "docker" "start" "-a" "32c146012137f0e8b9686f747c9382061bd134c50b5a45c9b6c47022de6e86d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking generic-array v0.9.1
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking sha-1 v0.7.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking md-5 v0.7.0
[INFO] [stderr]     Checking ripemd160 v0.7.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking yasna v0.1.3
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking pretty-good v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/compression.rs:90:31
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut deflater: Box<Read> = match self {
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut deflater: Box<dyn Read> = match self {
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/compression.rs:90:31
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut deflater: Box<Read> = match self {
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut deflater: Box<dyn Read> = match self {
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.91s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v3.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "32c146012137f0e8b9686f747c9382061bd134c50b5a45c9b6c47022de6e86d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32c146012137f0e8b9686f747c9382061bd134c50b5a45c9b6c47022de6e86d7", kill_on_drop: false }`
[INFO] [stdout] 32c146012137f0e8b9686f747c9382061bd134c50b5a45c9b6c47022de6e86d7
[INFO] checking pretty-good-0.2.2 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg-2
[INFO] extracting crate pretty-good 0.2.2 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate pretty-good 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 pretty-good 0.2.2
[INFO] finished tweaking crates.io crate pretty-good 0.2.2
[INFO] tweaked toml for crates.io crate pretty-good 0.2.2 written to /workspace/builds/worker-6-tc2/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f020078b58680f347207a0783d143e9caa44ffd98af043f193fac93e2d35cb59
[INFO] running `Command { std: "docker" "start" "-a" "f020078b58680f347207a0783d143e9caa44ffd98af043f193fac93e2d35cb59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f020078b58680f347207a0783d143e9caa44ffd98af043f193fac93e2d35cb59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f020078b58680f347207a0783d143e9caa44ffd98af043f193fac93e2d35cb59", kill_on_drop: false }`
[INFO] [stdout] f020078b58680f347207a0783d143e9caa44ffd98af043f193fac93e2d35cb59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dunexpected_cfgs" "-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" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] 3d8f72f8d4f4c82acc53ac404547def22885ea5ee35639c44fbbe03ac3d520f8
[INFO] running `Command { std: "docker" "start" "-a" "3d8f72f8d4f4c82acc53ac404547def22885ea5ee35639c44fbbe03ac3d520f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking generic-array v0.9.1
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking sha-1 v0.7.0
[INFO] [stderr]     Checking md-5 v0.7.0
[INFO] [stderr]     Checking ripemd160 v0.7.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking yasna v0.1.3
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking pretty-good v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected `cfg` condition name: `rustfmt`
[INFO] [stdout]   --> src/literal.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustfmt)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `rustfmt`
[INFO] [stdout]   --> src/signature.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustfmt)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `rustfmt`
[INFO] [stdout]    --> src/signature.rs:157:12
[INFO] [stdout]     |
[INFO] [stdout] 157 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustfmt)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `rustfmt`
[INFO] [stdout]   --> src/literal.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustfmt)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `rustfmt`
[INFO] [stdout]   --> src/signature.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustfmt)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `rustfmt`
[INFO] [stdout]    --> src/signature.rs:157:12
[INFO] [stdout]     |
[INFO] [stdout] 157 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustfmt)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/compression.rs:90:31
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut deflater: Box<Read> = match self {
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut deflater: Box<dyn Read> = match self {
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/compression.rs:90:31
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut deflater: Box<Read> = match self {
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut deflater: Box<dyn Read> = match self {
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pretty-good` (lib) due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pretty-good` (lib test) due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "3d8f72f8d4f4c82acc53ac404547def22885ea5ee35639c44fbbe03ac3d520f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d8f72f8d4f4c82acc53ac404547def22885ea5ee35639c44fbbe03ac3d520f8", kill_on_drop: false }`
[INFO] [stdout] 3d8f72f8d4f4c82acc53ac404547def22885ea5ee35639c44fbbe03ac3d520f8
