[INFO] fetching crate xprs 0.1.0...
[INFO] testing xprs-0.1.0 against master#9e136a30a965bf4e63f03095c57df7257bf96fd6 for pr-134530
[INFO] extracting crate xprs 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate xprs 0.1.0 on toolchain 9e136a30a965bf4e63f03095c57df7257bf96fd6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xprs 0.1.0
[INFO] finished tweaking crates.io crate xprs 0.1.0
[INFO] tweaked toml for crates.io crate xprs 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate xprs 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6b5a3de19c465713ec14ddd160d588c529c1a975b0310d38788aeb85c30f036
[INFO] running `Command { std: "docker" "start" "-a" "b6b5a3de19c465713ec14ddd160d588c529c1a975b0310d38788aeb85c30f036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6b5a3de19c465713ec14ddd160d588c529c1a975b0310d38788aeb85c30f036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6b5a3de19c465713ec14ddd160d588c529c1a975b0310d38788aeb85c30f036", kill_on_drop: false }`
[INFO] [stdout] b6b5a3de19c465713ec14ddd160d588c529c1a975b0310d38788aeb85c30f036
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c71dcf0a73519e37d7695f9f761cec1c3144ee1eb92629062e25e84ecce30fe
[INFO] running `Command { std: "docker" "start" "-a" "8c71dcf0a73519e37d7695f9f761cec1c3144ee1eb92629062e25e84ecce30fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling smawk v0.3.2
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling is_ci v1.2.0
[INFO] [stderr]    Compiling unicode-linebreak v0.1.5
[INFO] [stderr]    Compiling owo-colors v4.0.0
[INFO] [stderr]    Compiling supports-unicode v3.0.0
[INFO] [stderr]    Compiling supports-hyperlinks v3.0.0
[INFO] [stderr]    Compiling supports-color v3.0.0
[INFO] [stderr]    Compiling textwrap v0.16.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling xprs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling terminal_size v0.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling miette-derive v7.2.0
[INFO] [stderr]    Compiling miette v7.2.0
[INFO] [stdout] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stdout]    --> src/lib.rs:308:13
[INFO] [stdout]     |
[INFO] [stdout] 308 | #![cfg_attr(NIGHTLY, feature(box_patterns, float_gamma))]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `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`, `ub_checks`, `unix`, and `windows`
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stdout]   --> src/element/simplify.rs:59:19
[INFO] [stdout]    |
[INFO] [stdout] 59 |             #[cfg(NIGHTLY)]
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stdout]   --> src/element/simplify.rs:66:19
[INFO] [stdout]    |
[INFO] [stdout] 66 |             #[cfg(NIGHTLY)]
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stdout]   --> src/element/simplify.rs:93:19
[INFO] [stdout]    |
[INFO] [stdout] 93 |             #[cfg(NIGHTLY)]
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stdout]    --> src/element/simplify.rs:119:19
[INFO] [stdout]     |
[INFO] [stdout] 119 |             #[cfg(NIGHTLY)]
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stdout]    --> src/element/simplify.rs:162:19
[INFO] [stdout]     |
[INFO] [stdout] 162 |             #[cfg(NIGHTLY)]
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stdout]  --> src/utils/factorial.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg(not(NIGHTLY))]
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stdout]   --> src/utils/factorial.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[cfg(not(NIGHTLY))]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stdout]   --> src/utils/factorial.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[cfg(NIGHTLY)]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/token/function.rs:103:40
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 Self::Static(func2) => func1 == func2,
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]     = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 Self::Static(func2) => std::ptr::fn_addr_eq(func1, func2),
[INFO] [stdout]     |                                        +++++++++++++++++++++     ~      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `gamma` should have an upper case name
[INFO] [stdout]   --> src/utils/factorial.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub const gamma: fn(f64) -> f64 = f64::gamma;
[INFO] [stdout]    |           ^^^^^ help: convert the identifier to upper case: `GAMMA`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.71s
[INFO] running `Command { std: "docker" "inspect" "8c71dcf0a73519e37d7695f9f761cec1c3144ee1eb92629062e25e84ecce30fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c71dcf0a73519e37d7695f9f761cec1c3144ee1eb92629062e25e84ecce30fe", kill_on_drop: false }`
[INFO] [stdout] 8c71dcf0a73519e37d7695f9f761cec1c3144ee1eb92629062e25e84ecce30fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80c45b2a6fa2bef548c7c2088eb04ec1e997ea68ccc0df2e33b8cc63a0193acd
[INFO] running `Command { std: "docker" "start" "-a" "80c45b2a6fa2bef548c7c2088eb04ec1e997ea68ccc0df2e33b8cc63a0193acd", kill_on_drop: false }`
[INFO] [stderr]    Compiling xprs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stdout]    --> src/lib.rs:308:13
[INFO] [stdout]     |
[INFO] [stdout] 308 | #![cfg_attr(NIGHTLY, feature(box_patterns, float_gamma))]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `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`, `ub_checks`, `unix`, and `windows`
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stdout]   --> src/element/simplify.rs:59:19
[INFO] [stdout]    |
[INFO] [stdout] 59 |             #[cfg(NIGHTLY)]
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stdout]   --> src/element/simplify.rs:66:19
[INFO] [stdout]    |
[INFO] [stdout] 66 |             #[cfg(NIGHTLY)]
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stdout]   --> src/element/simplify.rs:93:19
[INFO] [stdout]    |
[INFO] [stdout] 93 |             #[cfg(NIGHTLY)]
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stdout]    --> src/element/simplify.rs:119:19
[INFO] [stdout]     |
[INFO] [stdout] 119 |             #[cfg(NIGHTLY)]
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stdout]    --> src/element/simplify.rs:162:19
[INFO] [stdout]     |
[INFO] [stdout] 162 |             #[cfg(NIGHTLY)]
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stdout]  --> src/utils/factorial.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg(not(NIGHTLY))]
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stdout]   --> src/utils/factorial.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[cfg(not(NIGHTLY))]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stdout]   --> src/utils/factorial.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[cfg(NIGHTLY)]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/token/function.rs:103:40
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 Self::Static(func2) => func1 == func2,
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]     = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 Self::Static(func2) => std::ptr::fn_addr_eq(func1, func2),
[INFO] [stdout]     |                                        +++++++++++++++++++++     ~      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `gamma` should have an upper case name
[INFO] [stdout]   --> src/utils/factorial.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub const gamma: fn(f64) -> f64 = f64::gamma;
[INFO] [stdout]    |           ^^^^^ help: convert the identifier to upper case: `GAMMA`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stdout]    --> src/lib.rs:308:13
[INFO] [stdout]     |
[INFO] [stdout] 308 | #![cfg_attr(NIGHTLY, feature(box_patterns, float_gamma))]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `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`, `ub_checks`, `unix`, and `windows`
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stdout]   --> src/element/simplify.rs:59:19
[INFO] [stdout]    |
[INFO] [stdout] 59 |             #[cfg(NIGHTLY)]
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stdout]   --> src/element/simplify.rs:66:19
[INFO] [stdout]    |
[INFO] [stdout] 66 |             #[cfg(NIGHTLY)]
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stdout]   --> src/element/simplify.rs:93:19
[INFO] [stdout]    |
[INFO] [stdout] 93 |             #[cfg(NIGHTLY)]
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stdout]    --> src/element/simplify.rs:119:19
[INFO] [stdout]     |
[INFO] [stdout] 119 |             #[cfg(NIGHTLY)]
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stdout]    --> src/element/simplify.rs:162:19
[INFO] [stdout]     |
[INFO] [stdout] 162 |             #[cfg(NIGHTLY)]
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stdout]  --> src/utils/factorial.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg(not(NIGHTLY))]
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stdout]   --> src/utils/factorial.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[cfg(not(NIGHTLY))]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stdout]   --> src/utils/factorial.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[cfg(NIGHTLY)]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/token/function.rs:103:40
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 Self::Static(func2) => func1 == func2,
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]     = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 Self::Static(func2) => std::ptr::fn_addr_eq(func1, func2),
[INFO] [stdout]     |                                        +++++++++++++++++++++     ~      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `gamma` should have an upper case name
[INFO] [stdout]   --> src/utils/factorial.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub const gamma: fn(f64) -> f64 = f64::gamma;
[INFO] [stdout]    |           ^^^^^ help: convert the identifier to upper case: `GAMMA`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "80c45b2a6fa2bef548c7c2088eb04ec1e997ea68ccc0df2e33b8cc63a0193acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80c45b2a6fa2bef548c7c2088eb04ec1e997ea68ccc0df2e33b8cc63a0193acd", kill_on_drop: false }`
[INFO] [stdout] 80c45b2a6fa2bef548c7c2088eb04ec1e997ea68ccc0df2e33b8cc63a0193acd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a0670efad48b2836148a24677ee26e655efb28a69b624f3231ab7b24a2549a81
[INFO] running `Command { std: "docker" "start" "-a" "a0670efad48b2836148a24677ee26e655efb28a69b624f3231ab7b24a2549a81", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stderr]    --> src/lib.rs:308:13
[INFO] [stderr]     |
[INFO] [stderr] 308 | #![cfg_attr(NIGHTLY, feature(box_patterns, float_gamma))]
[INFO] [stderr]     |             ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `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`, `ub_checks`, `unix`, and `windows`
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stderr]   --> src/element/simplify.rs:59:19
[INFO] [stderr]    |
[INFO] [stderr] 59 |             #[cfg(NIGHTLY)]
[INFO] [stderr]    |                   ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stderr]   --> src/element/simplify.rs:66:19
[INFO] [stderr]    |
[INFO] [stderr] 66 |             #[cfg(NIGHTLY)]
[INFO] [stderr]    |                   ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stderr]   --> src/element/simplify.rs:93:19
[INFO] [stderr]    |
[INFO] [stderr] 93 |             #[cfg(NIGHTLY)]
[INFO] [stderr]    |                   ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stderr]    --> src/element/simplify.rs:119:19
[INFO] [stderr]     |
[INFO] [stderr] 119 |             #[cfg(NIGHTLY)]
[INFO] [stderr]     |                   ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stderr]    --> src/element/simplify.rs:162:19
[INFO] [stderr]     |
[INFO] [stderr] 162 |             #[cfg(NIGHTLY)]
[INFO] [stderr]     |                   ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stderr]  --> src/utils/factorial.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[cfg(not(NIGHTLY))]
[INFO] [stderr]   |           ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider using a Cargo feature instead
[INFO] [stderr]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]            [lints.rust]
[INFO] [stderr]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stderr]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stderr]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stderr]   --> src/utils/factorial.rs:11:11
[INFO] [stderr]    |
[INFO] [stderr] 11 | #[cfg(not(NIGHTLY))]
[INFO] [stderr]    |           ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `NIGHTLY`
[INFO] [stderr]   --> src/utils/factorial.rs:17:7
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[cfg(NIGHTLY)]
[INFO] [stderr]    |       ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(NIGHTLY)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(NIGHTLY)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stderr]    --> src/token/function.rs:103:40
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 Self::Static(func2) => func1 == func2,
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the address of the same function can vary between different codegen units
[INFO] [stderr]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stderr]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stderr]     = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stderr] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 Self::Static(func2) => std::ptr::fn_addr_eq(func1, func2),
[INFO] [stderr]     |                                        +++++++++++++++++++++     ~      +
[INFO] [stderr] 
[INFO] [stderr] warning: constant `gamma` should have an upper case name
[INFO] [stderr]   --> src/utils/factorial.rs:18:11
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub const gamma: fn(f64) -> f64 = f64::gamma;
[INFO] [stderr]    |           ^^^^^ help: convert the identifier to upper case: `GAMMA`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `xprs` (lib) generated 11 warnings
[INFO] [stderr] warning: `xprs` (lib test) generated 11 warnings (11 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/xprs-15c29a3660ba202a)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::issues::issue_18::parse_number ... ok
[INFO] [stdout] test tests::parser::implicit_multiplication::test_invalid_implicit_multiplication ... ok
[INFO] [stdout] test tests::parser::implicit_multiplication::test_implicit_multiplication ... ok
[INFO] [stdout] test tests::issues::issue_15::parse_number ... ok
[INFO] [stdout] test tests::parser::error::test_errors ... ok
[INFO] [stdout] test tests::factorial::test_float_factorial ... ok
[INFO] [stdout] test tests::xprs::hof::test_higher_order_functions ... ok
[INFO] [stdout] test tests::xprs::simplify::test_simplify ... ok
[INFO] [stdout] test tests::xprs::eval::test_invalid_eval ... ok
[INFO] [stdout] test tests::thread_safety::test_thread_safety ... ok
[INFO] [stdout] test tests::xprs::eval::test_valid_eval ... ok
[INFO] [stdout] test tests::parser::comptime_optimizations::test_valid ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/repl.rs (/opt/rustwide/target/debug/deps/repl-c3b7cbbfa66be926)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests xprs
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test src/parser.rs - parser::Parser<'ctx>::parse (line 73) ... ok
[INFO] [stdout] test src/lib.rs - (line 76) ... ok
[INFO] [stdout] test src/xprs.rs - xprs::Xprs<'_>::eval_unchecked (line 91) ... ok
[INFO] [stdout] test src/lib.rs - (line 241) ... ok
[INFO] [stdout] test src/lib.rs - (line 182) ... ok
[INFO] [stdout] test src/lib.rs - (line 263) ... ok
[INFO] [stdout] test src/lib.rs - (line 130) ... ok
[INFO] [stdout] test src/parser.rs - parser::Parser (line 28) ... ok
[INFO] [stdout] test src/lib.rs - (line 89) ... ok
[INFO] [stdout] test src/xprs.rs - xprs::Xprs<'_>::eval (line 55) ... ok
[INFO] [stdout] test src/context.rs - context::Context (line 34) ... ok
[INFO] [stdout] test src/xprs.rs - xprs::Xprs<'_>::simplify_for_in_place (line 127) ... ok
[INFO] [stdout] test src/lib.rs - (line 103) ... ok
[INFO] [stdout] test src/lib.rs - (line 162) ... ok
[INFO] [stdout] test src/xprs.rs - xprs::Xprs<'_>::simplify_for (line 177) ... ok
[INFO] [stdout] test src/xprs.rs - xprs::Xprs<'_>::simplify_for_multiple_in_place (line 203) ... ok
[INFO] [stdout] test src/xprs.rs - xprs::Xprs<'a>::bind3 (line 447) ... ok
[INFO] [stdout] test src/xprs.rs - xprs::Xprs<'_>::simplify_for_multiple (line 233) ... ok
[INFO] [stdout] test src/xprs.rs - xprs::Xprs<'a>::bind4 (line 478) ... ok
[INFO] [stdout] test src/xprs.rs - xprs::Xprs<'a>::bind5 (line 509) ... ok
[INFO] [stdout] test src/xprs.rs - xprs::Xprs<'a>::bind9 (line 633) ... ok
[INFO] [stdout] test src/xprs.rs - xprs::Xprs<'a>::bind7 (line 571) ... ok
[INFO] [stdout] test src/xprs.rs - xprs::Xprs<'a>::bind2 (line 416) ... ok
[INFO] [stdout] test src/xprs.rs - xprs::Xprs<'a>::bind8 (line 602) ... ok
[INFO] [stdout] test src/xprs.rs - xprs::Xprs<'a>::bind (line 385) ... ok
[INFO] [stdout] test src/xprs.rs - xprs::Xprs<'a>::bind_n_runtime (line 704) ... ok
[INFO] [stdout] test src/xprs.rs - xprs::Xprs<'a>::bind6 (line 540) ... ok
[INFO] [stdout] test src/xprs.rs - xprs::Xprs<'a>::bind_n (line 670) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a0670efad48b2836148a24677ee26e655efb28a69b624f3231ab7b24a2549a81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0670efad48b2836148a24677ee26e655efb28a69b624f3231ab7b24a2549a81", kill_on_drop: false }`
[INFO] [stdout] a0670efad48b2836148a24677ee26e655efb28a69b624f3231ab7b24a2549a81