[INFO] fetching crate wotex 0.0.0...
[INFO] testing wotex-0.0.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate wotex 0.0.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate wotex 0.0.0
[INFO] finished tweaking crates.io crate wotex 0.0.0
[INFO] tweaked toml for crates.io crate wotex 0.0.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wotex 0.0.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b6669a7c0e52c3f1fbbb2c075e2f96daf664b3608faebcc30517f6ae375190d
[INFO] running `Command { std: "docker" "start" "-a" "9b6669a7c0e52c3f1fbbb2c075e2f96daf664b3608faebcc30517f6ae375190d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b6669a7c0e52c3f1fbbb2c075e2f96daf664b3608faebcc30517f6ae375190d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b6669a7c0e52c3f1fbbb2c075e2f96daf664b3608faebcc30517f6ae375190d", kill_on_drop: false }`
[INFO] [stdout] 9b6669a7c0e52c3f1fbbb2c075e2f96daf664b3608faebcc30517f6ae375190d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb0b812db2c691b65e6728df63289315b67281544b109e6a135f5b6416b56f84
[INFO] running `Command { std: "docker" "start" "-a" "eb0b812db2c691b65e6728df63289315b67281544b109e6a135f5b6416b56f84", kill_on_drop: false }`
[INFO] [stderr]    Compiling wotex v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.70.0; see <https://github.com/rust-lang/rust/pull/108471> for more information
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/ast/predefined/trigonometric_functions.rs:6:9
[INFO] [stdout]    |
[INFO] [stdout]  6 | /         box MaybeParentheses {
[INFO] [stdout]  7 | |             head: String::from("sin"),
[INFO] [stdout]  8 | |             operator_name: false,
[INFO] [stdout]  9 | |             rest: vec![arg],
[INFO] [stdout] 10 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout]  6 ~         Box::new(MaybeParentheses {
[INFO] [stdout]  7 |             head: String::from("sin"),
[INFO] [stdout]  8 |             operator_name: false,
[INFO] [stdout]  9 |             rest: vec![arg],
[INFO] [stdout] 10 ~         })
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/ast/predefined/trigonometric_functions.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | /         box MaybeParentheses {
[INFO] [stdout] 14 | |             head: String::from("cos"),
[INFO] [stdout] 15 | |             operator_name: false,
[INFO] [stdout] 16 | |             rest: vec![arg],
[INFO] [stdout] 17 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 13 ~         Box::new(MaybeParentheses {
[INFO] [stdout] 14 |             head: String::from("cos"),
[INFO] [stdout] 15 |             operator_name: false,
[INFO] [stdout] 16 |             rest: vec![arg],
[INFO] [stdout] 17 ~         })
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/ast/predefined/trigonometric_functions.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | /         box MaybeParentheses {
[INFO] [stdout] 21 | |             head: String::from("tan"),
[INFO] [stdout] 22 | |             operator_name: false,
[INFO] [stdout] 23 | |             rest: vec![arg],
[INFO] [stdout] 24 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 20 ~         Box::new(MaybeParentheses {
[INFO] [stdout] 21 |             head: String::from("tan"),
[INFO] [stdout] 22 |             operator_name: false,
[INFO] [stdout] 23 |             rest: vec![arg],
[INFO] [stdout] 24 ~         })
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/ast/predefined/trigonometric_functions.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | /         box MaybeParentheses {
[INFO] [stdout] 28 | |             head: String::from("cot"),
[INFO] [stdout] 29 | |             operator_name: false,
[INFO] [stdout] 30 | |             rest: vec![arg],
[INFO] [stdout] 31 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 27 ~         Box::new(MaybeParentheses {
[INFO] [stdout] 28 |             head: String::from("cot"),
[INFO] [stdout] 29 |             operator_name: false,
[INFO] [stdout] 30 |             rest: vec![arg],
[INFO] [stdout] 31 ~         })
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/ast/predefined/trigonometric_functions.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | /         box MaybeParentheses {
[INFO] [stdout] 35 | |             head: String::from("sec"),
[INFO] [stdout] 36 | |             operator_name: false,
[INFO] [stdout] 37 | |             rest: vec![arg],
[INFO] [stdout] 38 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 34 ~         Box::new(MaybeParentheses {
[INFO] [stdout] 35 |             head: String::from("sec"),
[INFO] [stdout] 36 |             operator_name: false,
[INFO] [stdout] 37 |             rest: vec![arg],
[INFO] [stdout] 38 ~         })
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/ast/predefined/trigonometric_functions.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | /         box MaybeParentheses {
[INFO] [stdout] 42 | |             head: String::from("csc"),
[INFO] [stdout] 43 | |             operator_name: false,
[INFO] [stdout] 44 | |             rest: vec![arg],
[INFO] [stdout] 45 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 41 ~         Box::new(MaybeParentheses {
[INFO] [stdout] 42 |             head: String::from("csc"),
[INFO] [stdout] 43 |             operator_name: false,
[INFO] [stdout] 44 |             rest: vec![arg],
[INFO] [stdout] 45 ~         })
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/ast/predefined/integrate_function.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         box Self { kind: String::from("int"), regional, expr, vars }
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 16 -         box Self { kind: String::from("int"), regional, expr, vars }
[INFO] [stdout] 16 +         Box::new(Self { kind: String::from("int"), regional, expr, vars })
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/ast/predefined/hyperbolic_function.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `predefined::*`
[INFO] [stdout]  --> src/ast/mod.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use self::{predefined::*, utils::List};
[INFO] [stdout]   |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/ast/as_wolfram/mod.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/ast/as_wolfram/mod.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/ast/predefined/integrate_function.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wotex` (lib) due to 8 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "eb0b812db2c691b65e6728df63289315b67281544b109e6a135f5b6416b56f84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb0b812db2c691b65e6728df63289315b67281544b109e6a135f5b6416b56f84", kill_on_drop: false }`
[INFO] [stdout] eb0b812db2c691b65e6728df63289315b67281544b109e6a135f5b6416b56f84
