[INFO] fetching crate wotex 0.0.0...
[INFO] testing wotex-0.0.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate wotex 0.0.0 into /workspace/builds/worker-7-tc2/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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wotex 0.0.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0197847bf4c6bfa84ccfc95deba54bb124751ee9cf9d528dc8260dd05a541095
[INFO] running `Command { std: "docker" "start" "0197847bf4c6bfa84ccfc95deba54bb124751ee9cf9d528dc8260dd05a541095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0197847bf4c6bfa84ccfc95deba54bb124751ee9cf9d528dc8260dd05a541095", 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" "0197847bf4c6bfa84ccfc95deba54bb124751ee9cf9d528dc8260dd05a541095" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0197847bf4c6bfa84ccfc95deba54bb124751ee9cf9d528dc8260dd05a541095", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0197847bf4c6bfa84ccfc95deba54bb124751ee9cf9d528dc8260dd05a541095" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", 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: expected expression, found reserved keyword `box`
[INFO] [stdout]  --> src/ast/predefined/trigonometric_functions.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         box MaybeParentheses {
[INFO] [stdout]   |         ^^^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found reserved keyword `box`
[INFO] [stdout]   --> src/ast/predefined/trigonometric_functions.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         box MaybeParentheses {
[INFO] [stdout]    |         ^^^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found reserved keyword `box`
[INFO] [stdout]   --> src/ast/predefined/trigonometric_functions.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         box MaybeParentheses {
[INFO] [stdout]    |         ^^^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found reserved keyword `box`
[INFO] [stdout]   --> src/ast/predefined/trigonometric_functions.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         box MaybeParentheses {
[INFO] [stdout]    |         ^^^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found reserved keyword `box`
[INFO] [stdout]   --> src/ast/predefined/trigonometric_functions.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         box MaybeParentheses {
[INFO] [stdout]    |         ^^^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found reserved keyword `box`
[INFO] [stdout]   --> src/ast/predefined/trigonometric_functions.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         box MaybeParentheses {
[INFO] [stdout]    |         ^^^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found reserved keyword `box`
[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]    |         ^^^ expected expression
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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" "0197847bf4c6bfa84ccfc95deba54bb124751ee9cf9d528dc8260dd05a541095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0197847bf4c6bfa84ccfc95deba54bb124751ee9cf9d528dc8260dd05a541095", kill_on_drop: false }`
[INFO] [stdout] 0197847bf4c6bfa84ccfc95deba54bb124751ee9cf9d528dc8260dd05a541095
