[INFO] fetching crate varisat 0.2.2...
[INFO] checking varisat-0.2.2 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate varisat 0.2.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate varisat 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 varisat 0.2.2
[INFO] finished tweaking crates.io crate varisat 0.2.2
[INFO] tweaked toml for crates.io crate varisat 0.2.2 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" "+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 varisat-dimacs v0.2.2
[INFO] [stderr]   Downloaded varisat-internal-macros v0.2.2
[INFO] [stderr]   Downloaded partial_ref v0.3.3
[INFO] [stderr]   Downloaded varisat-internal-proof v0.2.2
[INFO] [stderr]   Downloaded varisat-checker v0.2.2
[INFO] [stderr]   Downloaded partial_ref_derive v0.3.3
[INFO] [stderr]   Downloaded varisat-formula v0.2.2
[INFO] [stderr]   Downloaded vec_mut_scan v0.3.0
[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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7345eaa7381a886a92b03bb1c6ff7b7de2c64d17e8b5d7f1154b4646e7b9ad22
[INFO] running `Command { std: "docker" "start" "-a" "7345eaa7381a886a92b03bb1c6ff7b7de2c64d17e8b5d7f1154b4646e7b9ad22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7345eaa7381a886a92b03bb1c6ff7b7de2c64d17e8b5d7f1154b4646e7b9ad22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7345eaa7381a886a92b03bb1c6ff7b7de2c64d17e8b5d7f1154b4646e7b9ad22", kill_on_drop: false }`
[INFO] [stdout] 7345eaa7381a886a92b03bb1c6ff7b7de2c64d17e8b5d7f1154b4646e7b9ad22
[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=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] 0fe61bb3fad3847cbffcb4f9e259d6c2146fa91bbae0fad5a45826459da8fe02
[INFO] running `Command { std: "docker" "start" "-a" "0fe61bb3fad3847cbffcb4f9e259d6c2146fa91bbae0fad5a45826459da8fe02", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking tempfile v3.10.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling varisat v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr] warning: varisat@0.2.2: drat-trim proof checker not found, some tests will be disabled: No such file or directory (os error 2)
[INFO] [stderr] warning: varisat@0.2.2: rate proof checker not found, some tests will be disabled: No such file or directory (os error 2)
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking vec_mut_scan v0.3.0
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling partial_ref_derive v0.3.3
[INFO] [stderr]     Checking partial_ref v0.3.3
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]     Checking varisat-formula v0.2.2
[INFO] [stderr]     Checking varisat-internal-proof v0.2.2
[INFO] [stderr]     Checking varisat-dimacs v0.2.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking varisat-checker v0.2.2
[INFO] [stderr]    Compiling varisat-internal-macros v0.2.2
[INFO] [stdout] warning: unused import: `ImplNode`
[INFO] [stdout]   --> src/prop.rs:13:38
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use graph::{Conflict, ImplGraph, ImplNode, Reason};
[INFO] [stdout]    |                                      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ImplNode`
[INFO] [stdout]   --> src/prop.rs:13:38
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use graph::{Conflict, ImplGraph, ImplNode, Reason};
[INFO] [stdout]    |                                      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[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 9.75s
[INFO] running `Command { std: "docker" "inspect" "0fe61bb3fad3847cbffcb4f9e259d6c2146fa91bbae0fad5a45826459da8fe02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fe61bb3fad3847cbffcb4f9e259d6c2146fa91bbae0fad5a45826459da8fe02", kill_on_drop: false }`
[INFO] [stdout] 0fe61bb3fad3847cbffcb4f9e259d6c2146fa91bbae0fad5a45826459da8fe02
[INFO] checking varisat-0.2.2 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate varisat 0.2.2 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate varisat 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 varisat 0.2.2
[INFO] finished tweaking crates.io crate varisat 0.2.2
[INFO] tweaked toml for crates.io crate varisat 0.2.2 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" "+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-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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3eebf0223df12b3a898b7942d921c359d1990dea9e0f8797759e7f72d21a7ae7
[INFO] running `Command { std: "docker" "start" "-a" "3eebf0223df12b3a898b7942d921c359d1990dea9e0f8797759e7f72d21a7ae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3eebf0223df12b3a898b7942d921c359d1990dea9e0f8797759e7f72d21a7ae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eebf0223df12b3a898b7942d921c359d1990dea9e0f8797759e7f72d21a7ae7", kill_on_drop: false }`
[INFO] [stdout] 3eebf0223df12b3a898b7942d921c359d1990dea9e0f8797759e7f72d21a7ae7
[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=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] b430a604247637106c3ac8e2e23b1e67ac9e9f2951fb0045f4f6d5e1c3e581e9
[INFO] running `Command { std: "docker" "start" "-a" "b430a604247637106c3ac8e2e23b1e67ac9e9f2951fb0045f4f6d5e1c3e581e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking tempfile v3.10.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling varisat v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr] warning: varisat@0.2.2: drat-trim proof checker not found, some tests will be disabled: No such file or directory (os error 2)
[INFO] [stderr] warning: varisat@0.2.2: rate proof checker not found, some tests will be disabled: No such file or directory (os error 2)
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking vec_mut_scan v0.3.0
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling partial_ref_derive v0.3.3
[INFO] [stderr]     Checking partial_ref v0.3.3
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]     Checking varisat-formula v0.2.2
[INFO] [stderr]     Checking varisat-dimacs v0.2.2
[INFO] [stderr]     Checking varisat-internal-proof v0.2.2
[INFO] [stderr]     Checking varisat-checker v0.2.2
[INFO] [stderr]    Compiling varisat-internal-macros v0.2.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stdout] warning: unused import: `ImplNode`
[INFO] [stdout]   --> src/prop.rs:13:38
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use graph::{Conflict, ImplGraph, ImplNode, Reason};
[INFO] [stdout]    |                                      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `test_drat_trim`
[INFO] [stdout]    --> src/proof.rs:402:24
[INFO] [stdout]     |
[INFO] [stdout] 402 |         #[cfg_attr(not(test_drat_trim), ignore)]
[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(test_drat_trim)");` 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: `test_drat_trim`
[INFO] [stdout]    --> src/proof.rs:410:24
[INFO] [stdout]     |
[INFO] [stdout] 410 |         #[cfg_attr(not(test_drat_trim), ignore)]
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(test_drat_trim)");` 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: `test_rate`
[INFO] [stdout]    --> src/proof.rs:418:24
[INFO] [stdout]     |
[INFO] [stdout] 418 |         #[cfg_attr(not(test_rate), ignore)]
[INFO] [stdout]     |                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(test_rate)");` 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: `test_rate`
[INFO] [stdout]    --> src/proof.rs:426:24
[INFO] [stdout]     |
[INFO] [stdout] 426 |         #[cfg_attr(not(test_rate), ignore)]
[INFO] [stdout]     |                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(test_rate)");` 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: unused import: `ImplNode`
[INFO] [stdout]   --> src/prop.rs:13:38
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use graph::{Conflict, ImplGraph, ImplNode, Reason};
[INFO] [stdout]    |                                      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: varisat@0.2.2: drat-trim proof checker not found, some tests will be disabled: No such file or directory (os error 2)
[INFO] [stderr] warning: varisat@0.2.2: rate proof checker not found, some tests will be disabled: No such file or directory (os error 2)
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `varisat` (lib test) due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "b430a604247637106c3ac8e2e23b1e67ac9e9f2951fb0045f4f6d5e1c3e581e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b430a604247637106c3ac8e2e23b1e67ac9e9f2951fb0045f4f6d5e1c3e581e9", kill_on_drop: false }`
[INFO] [stdout] b430a604247637106c3ac8e2e23b1e67ac9e9f2951fb0045f4f6d5e1c3e581e9
