[INFO] fetching crate mathy 0.0.0...
[INFO] checking mathy-0.0.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate mathy 0.0.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate mathy 0.0.0
[INFO] finished tweaking crates.io crate mathy 0.0.0
[INFO] tweaked toml for crates.io crate mathy 0.0.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mathy 0.0.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding latexify v0.0.1 (available: v0.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2873993b4732e9db7ec8f325010869c10d94eeae2c5153d86b62f0407e8eec36
[INFO] running `Command { std: "docker" "start" "-a" "2873993b4732e9db7ec8f325010869c10d94eeae2c5153d86b62f0407e8eec36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2873993b4732e9db7ec8f325010869c10d94eeae2c5153d86b62f0407e8eec36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2873993b4732e9db7ec8f325010869c10d94eeae2c5153d86b62f0407e8eec36", kill_on_drop: false }`
[INFO] [stdout] 2873993b4732e9db7ec8f325010869c10d94eeae2c5153d86b62f0407e8eec36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32539677f2d009effcbc626e61cb56da290b9d02f7f2eb1b55bfa8d93db10253
[INFO] running `Command { std: "docker" "start" "-a" "32539677f2d009effcbc626e61cb56da290b9d02f7f2eb1b55bfa8d93db10253", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking latexify v0.0.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking mathy v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `str::FromStr` and `string::ParseError`
[INFO] [stdout]  --> src/ast/mod.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ops::Range, str::FromStr, string::ParseError};
[INFO] [stdout]   |                       ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]  --> src/ast/atomic/mod.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `serde` as a feature in `Cargo.toml`
[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 value: `serde`
[INFO] [stdout]   --> src/ast/atomic/mod.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[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: unused imports: `str::FromStr` and `string::ParseError`
[INFO] [stdout]  --> src/ast/mod.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ops::Range, str::FromStr, string::ParseError};
[INFO] [stdout]   |                       ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]  --> src/ast/atomic/mod.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `serde` as a feature in `Cargo.toml`
[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 value: `serde`
[INFO] [stdout]   --> src/ast/atomic/mod.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[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 value: `serde`
[INFO] [stdout]   --> src/ast/atomic/mod.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[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 value: `serde`
[INFO] [stdout]   --> src/ast/atomic/mod.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[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 value: `serde`
[INFO] [stdout]   --> src/ast/atomic/mod.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[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 value: `serde`
[INFO] [stdout]   --> src/ast/atomic/mod.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[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 value: `serde`
[INFO] [stdout]   --> src/ast/atomic/mod.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[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 value: `serde`
[INFO] [stdout]   --> src/ast/atomic/mod.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[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 value: `serde`
[INFO] [stdout]   --> src/ast/atomic/mod.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[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 value: `serde`
[INFO] [stdout]   --> src/ast/atomic/mod.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[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 value: `serde`
[INFO] [stdout]   --> src/ast/atomic/mod.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[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 value: `serde`
[INFO] [stdout]   --> src/ast/atomic/mod.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[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 value: `serde`
[INFO] [stdout]  --> src/ast/command/mod.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `serde` as a feature in `Cargo.toml`
[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 value: `serde`
[INFO] [stdout]   --> src/ast/command/mod.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[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 value: `serde`
[INFO] [stdout]  --> src/ast/expression/mod.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `serde` as a feature in `Cargo.toml`
[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 value: `serde`
[INFO] [stdout]   --> src/ast/expression/mod.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[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 value: `serde`
[INFO] [stdout]  --> src/ast/command/mod.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `serde` as a feature in `Cargo.toml`
[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 value: `serde`
[INFO] [stdout]   --> src/ast/command/mod.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[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 value: `serde`
[INFO] [stdout]  --> src/ast/expression/mod.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `serde` as a feature in `Cargo.toml`
[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 value: `serde`
[INFO] [stdout]   --> src/ast/expression/mod.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[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: struct `CommandLineNode` is never constructed
[INFO] [stdout]  --> src/ast/command/mod.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct CommandLineNode {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CommandBlockNode` is never constructed
[INFO] [stdout]   --> src/ast/command/mod.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct CommandBlockNode {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CommandLineNode` is never constructed
[INFO] [stdout]  --> src/ast/command/mod.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct CommandLineNode {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CommandBlockNode` is never constructed
[INFO] [stdout]   --> src/ast/command/mod.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct CommandBlockNode {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.57s
[INFO] running `Command { std: "docker" "inspect" "32539677f2d009effcbc626e61cb56da290b9d02f7f2eb1b55bfa8d93db10253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32539677f2d009effcbc626e61cb56da290b9d02f7f2eb1b55bfa8d93db10253", kill_on_drop: false }`
[INFO] [stdout] 32539677f2d009effcbc626e61cb56da290b9d02f7f2eb1b55bfa8d93db10253