[INFO] cloning repository https://github.com/tawashichan/type_inference_sample [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tawashichan/type_inference_sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftawashichan%2Ftype_inference_sample", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftawashichan%2Ftype_inference_sample'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f21fbdd75c702bc74c35ac2819fb139de122bbb0 [INFO] documenting tawashichan/type_inference_sample against beta-2025-10-28 for beta-1.92-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftawashichan%2Ftype_inference_sample" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/tawashichan/type_inference_sample [INFO] finished tweaking git repo https://github.com/tawashichan/type_inference_sample [INFO] tweaked toml for git repo https://github.com/tawashichan/type_inference_sample written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/tawashichan/type_inference_sample on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/tawashichan/type_inference_sample 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded nanoid v0.1.3 [INFO] [stderr] Downloaded libc v0.2.60 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a99e01e6e05dab798f6c411d468e4bbd500e42b91d7f2cd45cf6ec1e0b401c80 [INFO] running `Command { std: "docker" "start" "-a" "a99e01e6e05dab798f6c411d468e4bbd500e42b91d7f2cd45cf6ec1e0b401c80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a99e01e6e05dab798f6c411d468e4bbd500e42b91d7f2cd45cf6ec1e0b401c80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a99e01e6e05dab798f6c411d468e4bbd500e42b91d7f2cd45cf6ec1e0b401c80", kill_on_drop: false }` [INFO] [stdout] a99e01e6e05dab798f6c411d468e4bbd500e42b91d7f2cd45cf6ec1e0b401c80 [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=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" "+beta-2025-10-28" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0c05ec7900c7466c6d5c54335d00633b8c9b516043c1cf053778f4383a2c3ebb [INFO] running `Command { std: "docker" "start" "-a" "0c05ec7900c7466c6d5c54335d00633b8c9b516043c1cf053778f4383a2c3ebb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking nanoid v0.1.3 [INFO] [stderr] Documenting type_inference v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/main.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | box Exp::Int(1), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 14 - box Exp::Int(1), [INFO] [stdout] 14 + Box::new(Exp::Int(1)), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/main.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | box Exp::Var("x".to_string()), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 15 - box Exp::Var("x".to_string()), [INFO] [stdout] 15 + Box::new(Exp::Var("x".to_string())), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | / box Exp::Op( [INFO] [stdout] 13 | | Op::Plus, [INFO] [stdout] 14 | | box Exp::Int(1), [INFO] [stdout] 15 | | box Exp::Var("x".to_string()), [INFO] [stdout] 16 | | ) [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 12 ~ Box::new(Exp::Op( [INFO] [stdout] 13 | Op::Plus, [INFO] [stdout] 14 | box Exp::Int(1), [INFO] [stdout] 15 | box Exp::Var("x".to_string()), [INFO] [stdout] 16 ~ )) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/main.rs:26:21 [INFO] [stdout] | [INFO] [stdout] 26 | box Exp::Var("x".to_string()), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 26 - box Exp::Var("x".to_string()), [INFO] [stdout] 26 + Box::new(Exp::Var("x".to_string())), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/main.rs:27:21 [INFO] [stdout] | [INFO] [stdout] 27 | box Exp::Int(1), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 27 - box Exp::Int(1), [INFO] [stdout] 27 + Box::new(Exp::Int(1)), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/main.rs:24:17 [INFO] [stdout] | [INFO] [stdout] 24 | / box Exp::Op( [INFO] [stdout] 25 | | Op::Plus, [INFO] [stdout] 26 | | box Exp::Var("x".to_string()), [INFO] [stdout] 27 | | box Exp::Int(1), [INFO] [stdout] 28 | | ), [INFO] [stdout] | |_________________^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 24 ~ Box::new(Exp::Op( [INFO] [stdout] 25 | Op::Plus, [INFO] [stdout] 26 | box Exp::Var("x".to_string()), [INFO] [stdout] 27 | box Exp::Int(1), [INFO] [stdout] 28 ~ )), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/main.rs:29:17 [INFO] [stdout] | [INFO] [stdout] 29 | box Exp::Var("y".to_string()), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 29 - box Exp::Var("y".to_string()), [INFO] [stdout] 29 + Box::new(Exp::Var("y".to_string())), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/main.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | / box Exp::Op( [INFO] [stdout] 23 | | Op::Plus, [INFO] [stdout] 24 | | box Exp::Op( [INFO] [stdout] 25 | | Op::Plus, [INFO] [stdout] ... | [INFO] [stdout] 29 | | box Exp::Var("y".to_string()), [INFO] [stdout] 30 | | ) [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 22 ~ Box::new(Exp::Op( [INFO] [stdout] 23 | Op::Plus, [INFO] [stdout] ... [INFO] [stdout] 29 | box Exp::Var("y".to_string()), [INFO] [stdout] 30 ~ )) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/main.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | / box Exp::Func( [INFO] [stdout] 21 | | "y".to_string(), [INFO] [stdout] 22 | | box Exp::Op( [INFO] [stdout] 23 | | Op::Plus, [INFO] [stdout] ... | [INFO] [stdout] 31 | | ) [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 20 ~ Box::new(Exp::Func( [INFO] [stdout] 21 | "y".to_string(), [INFO] [stdout] ... [INFO] [stdout] 30 | ) [INFO] [stdout] 31 ~ )) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/main.rs:39:17 [INFO] [stdout] | [INFO] [stdout] 39 | box Exp::Var("x".to_string()), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 39 - box Exp::Var("x".to_string()), [INFO] [stdout] 39 + Box::new(Exp::Var("x".to_string())), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/main.rs:40:17 [INFO] [stdout] | [INFO] [stdout] 40 | box Exp::Var("y".to_string()), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 40 - box Exp::Var("y".to_string()), [INFO] [stdout] 40 + Box::new(Exp::Var("y".to_string())), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/main.rs:37:13 [INFO] [stdout] | [INFO] [stdout] 37 | / box Exp::Op( [INFO] [stdout] 38 | | Op::Plus, [INFO] [stdout] 39 | | box Exp::Var("x".to_string()), [INFO] [stdout] 40 | | box Exp::Var("y".to_string()), [INFO] [stdout] 41 | | ) [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 37 ~ Box::new(Exp::Op( [INFO] [stdout] 38 | Op::Plus, [INFO] [stdout] 39 | box Exp::Var("x".to_string()), [INFO] [stdout] 40 | box Exp::Var("y".to_string()), [INFO] [stdout] 41 ~ )) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/main.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | / box Exp::Func( [INFO] [stdout] 36 | | "y".to_string(), [INFO] [stdout] 37 | | box Exp::Op( [INFO] [stdout] 38 | | Op::Plus, [INFO] [stdout] ... | [INFO] [stdout] 42 | | ) [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 35 ~ Box::new(Exp::Func( [INFO] [stdout] 36 | "y".to_string(), [INFO] [stdout] ... [INFO] [stdout] 41 | ) [INFO] [stdout] 42 ~ )) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/main.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | box Exp::Var("x".to_string()), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 47 - box Exp::Var("x".to_string()), [INFO] [stdout] 47 + Box::new(Exp::Var("x".to_string())), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/main.rs:48:13 [INFO] [stdout] | [INFO] [stdout] 48 | box Exp::Int(1), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 48 - box Exp::Int(1), [INFO] [stdout] 48 + Box::new(Exp::Int(1)), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/main.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | box Exp::Int(2), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 49 - box Exp::Int(2), [INFO] [stdout] 49 + Box::new(Exp::Int(2)), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/main.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | / box Exp::If( [INFO] [stdout] 47 | | box Exp::Var("x".to_string()), [INFO] [stdout] 48 | | box Exp::Int(1), [INFO] [stdout] 49 | | box Exp::Int(2), [INFO] [stdout] 50 | | ) [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 46 ~ Box::new(Exp::If( [INFO] [stdout] 47 | box Exp::Var("x".to_string()), [INFO] [stdout] 48 | box Exp::Int(1), [INFO] [stdout] 49 | box Exp::Int(2), [INFO] [stdout] 50 ~ )) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/main.rs:56:13 [INFO] [stdout] | [INFO] [stdout] 56 | box Exp::Bool(true), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 56 - box Exp::Bool(true), [INFO] [stdout] 56 + Box::new(Exp::Bool(true)), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/main.rs:57:26 [INFO] [stdout] | [INFO] [stdout] 57 | box Exp::App(box Exp::Var("x".to_string()),box Exp::Int(1)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 57 - box Exp::App(box Exp::Var("x".to_string()),box Exp::Int(1)), [INFO] [stdout] 57 + box Exp::App(Box::new(Exp::Var("x".to_string())),box Exp::Int(1)), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/main.rs:57:56 [INFO] [stdout] | [INFO] [stdout] 57 | box Exp::App(box Exp::Var("x".to_string()),box Exp::Int(1)), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 57 - box Exp::App(box Exp::Var("x".to_string()),box Exp::Int(1)), [INFO] [stdout] 57 + box Exp::App(box Exp::Var("x".to_string()),Box::new(Exp::Int(1))), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/main.rs:57:13 [INFO] [stdout] | [INFO] [stdout] 57 | box Exp::App(box Exp::Var("x".to_string()),box Exp::Int(1)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 57 - box Exp::App(box Exp::Var("x".to_string()),box Exp::Int(1)), [INFO] [stdout] 57 + Box::new(Exp::App(box Exp::Var("x".to_string()),box Exp::Int(1))), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/main.rs:58:13 [INFO] [stdout] | [INFO] [stdout] 58 | box Exp::Int(1), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 58 - box Exp::Int(1), [INFO] [stdout] 58 + Box::new(Exp::Int(1)), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/main.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | / box Exp::If( [INFO] [stdout] 56 | | box Exp::Bool(true), [INFO] [stdout] 57 | | box Exp::App(box Exp::Var("x".to_string()),box Exp::Int(1)), [INFO] [stdout] 58 | | box Exp::Int(1), [INFO] [stdout] 59 | | ), [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 55 ~ Box::new(Exp::If( [INFO] [stdout] 56 | box Exp::Bool(true), [INFO] [stdout] 57 | box Exp::App(box Exp::Var("x".to_string()),box Exp::Int(1)), [INFO] [stdout] 58 | box Exp::Int(1), [INFO] [stdout] 59 ~ )), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/main.rs:60:22 [INFO] [stdout] | [INFO] [stdout] 60 | box Exp::App(box Exp::Var("x".to_string()),box Exp::Int(1)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 60 - box Exp::App(box Exp::Var("x".to_string()),box Exp::Int(1)), [INFO] [stdout] 60 + box Exp::App(Box::new(Exp::Var("x".to_string())),box Exp::Int(1)), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/main.rs:60:52 [INFO] [stdout] | [INFO] [stdout] 60 | box Exp::App(box Exp::Var("x".to_string()),box Exp::Int(1)), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 60 - box Exp::App(box Exp::Var("x".to_string()),box Exp::Int(1)), [INFO] [stdout] 60 + box Exp::App(box Exp::Var("x".to_string()),Box::new(Exp::Int(1))), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/main.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | box Exp::App(box Exp::Var("x".to_string()),box Exp::Int(1)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 60 - box Exp::App(box Exp::Var("x".to_string()),box Exp::Int(1)), [INFO] [stdout] 60 + Box::new(Exp::App(box Exp::Var("x".to_string()),box Exp::Int(1))), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/main.rs:1:25 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(box_patterns,box_syntax,slice_patterns)] [INFO] [stdout] | ^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.70.0; see for more information [INFO] [stdout] = note: replaced with `#[rustc_box]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: Compilation failed, aborting rustdoc [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: could not document `type_inference` [INFO] running `Command { std: "docker" "inspect" "0c05ec7900c7466c6d5c54335d00633b8c9b516043c1cf053778f4383a2c3ebb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c05ec7900c7466c6d5c54335d00633b8c9b516043c1cf053778f4383a2c3ebb", kill_on_drop: false }` [INFO] [stdout] 0c05ec7900c7466c6d5c54335d00633b8c9b516043c1cf053778f4383a2c3ebb