[INFO] fetching crate xprs 0.1.0...
[INFO] checking xprs-0.1.0 against try#163937523761cc0def32f1ba9ed63fdf65ad3478 for pr-156749
[INFO] extracting crate xprs 0.1.0 into /workspace/builds/worker-6-tc2/source
[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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xprs 0.1.0 on toolchain 163937523761cc0def32f1ba9ed63fdf65ad3478
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e828205b28f7beb0a245705f4b68558bafc11d311db1922d1f7750088cd80f15
[INFO] running `Command { std: "docker" "start" "e828205b28f7beb0a245705f4b68558bafc11d311db1922d1f7750088cd80f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e828205b28f7beb0a245705f4b68558bafc11d311db1922d1f7750088cd80f15" "/opt/rustwide/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e828205b28f7beb0a245705f4b68558bafc11d311db1922d1f7750088cd80f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e828205b28f7beb0a245705f4b68558bafc11d311db1922d1f7750088cd80f15" "/opt/rustwide/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking is_ci v1.2.0
[INFO] [stderr]     Checking smawk v0.3.2
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]     Checking supports-unicode v3.0.0
[INFO] [stderr]     Checking supports-hyperlinks v3.0.0
[INFO] [stderr]     Checking owo-colors v4.0.0
[INFO] [stderr]     Checking supports-color v3.0.0
[INFO] [stderr]     Checking 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]     Checking terminal_size v0.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling miette-derive v7.2.0
[INFO] [stderr]     Checking miette v7.2.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]    --> src/lib.rs:308:30
[INFO] [stdout]     |
[INFO] [stdout] 308 | #![cfg_attr(NIGHTLY, feature(box_patterns, float_gamma))]
[INFO] [stdout]     |                              ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]     |
[INFO] [stdout]     = note: removed in CURRENT_RUSTC_VERSION
[INFO] [stdout]     = note: superseded by `deref_patterns`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]    --> src/lib.rs:308:30
[INFO] [stdout]     |
[INFO] [stdout] 308 | #![cfg_attr(NIGHTLY, feature(box_patterns, float_gamma))]
[INFO] [stdout]     |                              ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]     |
[INFO] [stdout]     = note: removed in CURRENT_RUSTC_VERSION
[INFO] [stdout]     = note: superseded by `deref_patterns`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/element/simplify.rs:63:36
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 lhs: Element::UnOp(box UnOp { op: Minus, operand }),
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/element/simplify.rs:63:36
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 lhs: Element::UnOp(box UnOp { op: Minus, operand }),
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/element/simplify.rs:71:36
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 rhs: Element::UnOp(box UnOp { op: Minus, operand }),
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/element/simplify.rs:98:36
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 rhs: Element::UnOp(box UnOp { op: Minus, operand }),
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/element/simplify.rs:71:36
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 rhs: Element::UnOp(box UnOp { op: Minus, operand }),
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/element/simplify.rs:98:36
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 rhs: Element::UnOp(box UnOp { op: Minus, operand }),
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/element/simplify.rs:123:35
[INFO] [stdout]     |
[INFO] [stdout] 123 |                       Element::UnOp(box UnOp {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 124 | |                         op: Minus,
[INFO] [stdout] 125 | |                         operand: lhs,
[INFO] [stdout] 126 | |                     }),
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/element/simplify.rs:128:35
[INFO] [stdout]     |
[INFO] [stdout] 128 |                       Element::UnOp(box UnOp {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 129 | |                         op: Minus,
[INFO] [stdout] 130 | |                         operand: rhs,
[INFO] [stdout] 131 | |                     }),
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/element/simplify.rs:123:35
[INFO] [stdout]     |
[INFO] [stdout] 123 |                       Element::UnOp(box UnOp {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 124 | |                         op: Minus,
[INFO] [stdout] 125 | |                         operand: lhs,
[INFO] [stdout] 126 | |                     }),
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/element/simplify.rs:166:35
[INFO] [stdout]     |
[INFO] [stdout] 166 |                       Element::UnOp(box UnOp {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 167 | |                         op: Minus,
[INFO] [stdout] 168 | |                         operand: lhs,
[INFO] [stdout] 169 | |                     }),
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/element/simplify.rs:128:35
[INFO] [stdout]     |
[INFO] [stdout] 128 |                       Element::UnOp(box UnOp {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 129 | |                         op: Minus,
[INFO] [stdout] 130 | |                         operand: rhs,
[INFO] [stdout] 131 | |                     }),
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/element/simplify.rs:171:35
[INFO] [stdout]     |
[INFO] [stdout] 171 |                       Element::UnOp(box UnOp {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 172 | |                         op: Minus,
[INFO] [stdout] 173 | |                         operand: rhs,
[INFO] [stdout] 174 | |                     }),
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/element/simplify.rs:166:35
[INFO] [stdout]     |
[INFO] [stdout] 166 |                       Element::UnOp(box UnOp {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 167 | |                         op: Minus,
[INFO] [stdout] 168 | |                         operand: lhs,
[INFO] [stdout] 169 | |                     }),
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/element/simplify.rs:171:35
[INFO] [stdout]     |
[INFO] [stdout] 171 |                       Element::UnOp(box UnOp {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 172 | |                         op: Minus,
[INFO] [stdout] 173 | |                         operand: rhs,
[INFO] [stdout] 174 | |                     }),
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `operand` in this scope
[INFO] [stdout]   --> src/element/simplify.rs:65:18
[INFO] [stdout]    |
[INFO] [stdout] 65 |             } if operand == rhs => Number(0.0),
[INFO] [stdout]    |                  ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `operand` in this scope
[INFO] [stdout]   --> src/element/simplify.rs:72:25
[INFO] [stdout]    |
[INFO] [stdout] 72 |             } if lhs == operand => Number(0.0),
[INFO] [stdout]    |                         ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `operand` in this scope
[INFO] [stdout]   --> src/element/simplify.rs:99:58
[INFO] [stdout]    |
[INFO] [stdout] 99 |             } => BinOp::new_element(Operator::Plus, lhs, operand),
[INFO] [stdout]    |                                                          ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `lhs` in this scope
[INFO] [stdout]    --> src/element/simplify.rs:132:54
[INFO] [stdout]     |
[INFO] [stdout] 132 |             } => BinOp::new_element(Operator::Times, lhs, rhs),
[INFO] [stdout]     |                                                      ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might have meant to use the available field
[INFO] [stdout]     |
[INFO] [stdout] 132 |             } => BinOp::new_element(Operator::Times, self.lhs, rhs),
[INFO] [stdout]     |                                                      +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rhs` in this scope
[INFO] [stdout]    --> src/element/simplify.rs:132:59
[INFO] [stdout]     |
[INFO] [stdout] 132 |             } => BinOp::new_element(Operator::Times, lhs, rhs),
[INFO] [stdout]     |                                                           ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might have meant to use the available field
[INFO] [stdout]     |
[INFO] [stdout] 132 |             } => BinOp::new_element(Operator::Times, lhs, self.rhs),
[INFO] [stdout]     |                                                           +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `lhs` in this scope
[INFO] [stdout]    --> src/element/simplify.rs:175:55
[INFO] [stdout]     |
[INFO] [stdout] 175 |             } => BinOp::new_element(Operator::Divide, lhs, rhs),
[INFO] [stdout]     |                                                       ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might have meant to use the available field
[INFO] [stdout]     |
[INFO] [stdout] 175 |             } => BinOp::new_element(Operator::Divide, self.lhs, rhs),
[INFO] [stdout]     |                                                       +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rhs` in this scope
[INFO] [stdout]    --> src/element/simplify.rs:175:60
[INFO] [stdout]     |
[INFO] [stdout] 175 |             } => BinOp::new_element(Operator::Divide, lhs, rhs),
[INFO] [stdout]     |                                                            ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might have meant to use the available field
[INFO] [stdout]     |
[INFO] [stdout] 175 |             } => BinOp::new_element(Operator::Divide, lhs, self.rhs),
[INFO] [stdout]     |                                                            +++++
[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: `docsrs`, `feature`, and `test` and 32 more
[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] error[E0425]: cannot find value `operand` in this scope
[INFO] [stdout]   --> src/element/simplify.rs:65:18
[INFO] [stdout]    |
[INFO] [stdout] 65 |             } if operand == rhs => Number(0.0),
[INFO] [stdout]    |                  ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `operand` in this scope
[INFO] [stdout]   --> src/element/simplify.rs:72:25
[INFO] [stdout]    |
[INFO] [stdout] 72 |             } if lhs == operand => Number(0.0),
[INFO] [stdout]    |                         ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `operand` in this scope
[INFO] [stdout]   --> src/element/simplify.rs:99:58
[INFO] [stdout]    |
[INFO] [stdout] 99 |             } => BinOp::new_element(Operator::Plus, lhs, operand),
[INFO] [stdout]    |                                                          ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `lhs` in this scope
[INFO] [stdout]    --> src/element/simplify.rs:132:54
[INFO] [stdout]     |
[INFO] [stdout] 132 |             } => BinOp::new_element(Operator::Times, lhs, rhs),
[INFO] [stdout]     |                                                      ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might have meant to use the available field
[INFO] [stdout]     |
[INFO] [stdout] 132 |             } => BinOp::new_element(Operator::Times, self.lhs, rhs),
[INFO] [stdout]     |                                                      +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rhs` in this scope
[INFO] [stdout]    --> src/element/simplify.rs:132:59
[INFO] [stdout]     |
[INFO] [stdout] 132 |             } => BinOp::new_element(Operator::Times, lhs, rhs),
[INFO] [stdout]     |                                                           ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might have meant to use the available field
[INFO] [stdout]     |
[INFO] [stdout] 132 |             } => BinOp::new_element(Operator::Times, lhs, self.rhs),
[INFO] [stdout]     |                                                           +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `lhs` in this scope
[INFO] [stdout]    --> src/element/simplify.rs:175:55
[INFO] [stdout]     |
[INFO] [stdout] 175 |             } => BinOp::new_element(Operator::Divide, lhs, rhs),
[INFO] [stdout]     |                                                       ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might have meant to use the available field
[INFO] [stdout]     |
[INFO] [stdout] 175 |             } => BinOp::new_element(Operator::Divide, self.lhs, rhs),
[INFO] [stdout]     |                                                       +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rhs` in this scope
[INFO] [stdout]    --> src/element/simplify.rs:175:60
[INFO] [stdout]     |
[INFO] [stdout] 175 |             } => BinOp::new_element(Operator::Divide, lhs, rhs),
[INFO] [stdout]     |                                                            ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might have meant to use the available field
[INFO] [stdout]     |
[INFO] [stdout] 175 |             } => BinOp::new_element(Operator::Divide, lhs, self.rhs),
[INFO] [stdout]     |                                                            +++++
[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: `docsrs`, `feature`, and `test` and 32 more
[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] Some errors have detailed explanations: E0425, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xprs` (lib) due to 15 previous errors; 9 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0425, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xprs` (lib test) due to 15 previous errors; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e828205b28f7beb0a245705f4b68558bafc11d311db1922d1f7750088cd80f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e828205b28f7beb0a245705f4b68558bafc11d311db1922d1f7750088cd80f15", kill_on_drop: false }`
[INFO] [stdout] e828205b28f7beb0a245705f4b68558bafc11d311db1922d1f7750088cd80f15
