[INFO] cloning repository https://github.com/sirxyzzy/mini-basic [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sirxyzzy/mini-basic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirxyzzy%2Fmini-basic", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirxyzzy%2Fmini-basic'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] aa93f1ae0863f7527e8130ae80187d2eaa812882 [INFO] checking sirxyzzy/mini-basic against try#50b21af28e291c419ae81eebcb7705fb4200dc90 for pr-135167 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirxyzzy%2Fmini-basic" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sirxyzzy/mini-basic on toolchain 50b21af28e291c419ae81eebcb7705fb4200dc90 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50b21af28e291c419ae81eebcb7705fb4200dc90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sirxyzzy/mini-basic [INFO] finished tweaking git repo https://github.com/sirxyzzy/mini-basic [INFO] tweaked toml for git repo https://github.com/sirxyzzy/mini-basic written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/sirxyzzy/mini-basic 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" "+50b21af28e291c419ae81eebcb7705fb4200dc90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded indexmap v1.4.0 [INFO] [stderr] Downloaded syn v1.0.30 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+50b21af28e291c419ae81eebcb7705fb4200dc90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5686827a50511a4b81f5bc09a5671e280c87b8816d9410a4d7af7b14c8541398 [INFO] running `Command { std: "docker" "start" "-a" "5686827a50511a4b81f5bc09a5671e280c87b8816d9410a4d7af7b14c8541398", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5686827a50511a4b81f5bc09a5671e280c87b8816d9410a4d7af7b14c8541398", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5686827a50511a4b81f5bc09a5671e280c87b8816d9410a4d7af7b14c8541398", kill_on_drop: false }` [INFO] [stdout] 5686827a50511a4b81f5bc09a5671e280c87b8816d9410a4d7af7b14c8541398 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+50b21af28e291c419ae81eebcb7705fb4200dc90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e8cf5d6aaf71be6dab3fb35a9a7a9f38f2344c1627d9346eb796dfece1f1e485 [INFO] running `Command { std: "docker" "start" "-a" "e8cf5d6aaf71be6dab3fb35a9a7a9f38f2344c1627d9346eb796dfece1f1e485", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.30 [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling indexmap v1.4.0 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.12 [INFO] [stderr] Compiling proc-macro-error v0.4.12 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling anyhow v1.0.31 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Checking os_str_bytes v2.3.1 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling thiserror-impl v1.0.19 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.1 [INFO] [stderr] Checking thiserror v1.0.19 [INFO] [stderr] Checking clap v3.0.0-beta.1 [INFO] [stderr] Checking mini-basic v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(box_syntax, box_patterns)] [INFO] [stdout] | ^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: replaced with `#[rustc_box]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:689:20 [INFO] [stdout] | [INFO] [stdout] 689 | let expr = box mc.expect_ast(Rule::numeric_expression, Self::numeric_expression)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 689 | let expr = Box::new(mc.expect_ast(Rule::numeric_expression, Self::numeric_expression)?); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:715:26 [INFO] [stdout] | [INFO] [stdout] 715 | let expression = box mc.expect_ast(Rule::numeric_expression, Self::numeric_expression)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 715 | let expression = Box::new(mc.expect_ast(Rule::numeric_expression, Self::numeric_expression)?); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:847:61 [INFO] [stdout] | [INFO] [stdout] 847 | Rule::numeric_expression => Ok(AstNode::TabCall(box Self::numeric_expression(p)?)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 847 | Rule::numeric_expression => Ok(AstNode::TabCall(Box::new(Self::numeric_expression(p)?))), [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:855:20 [INFO] [stdout] | [INFO] [stdout] 855 | let expr = box Self::relational_expression(rel_pair)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 855 | let expr = Box::new(Self::relational_expression(rel_pair)?); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:868:28 [INFO] [stdout] | [INFO] [stdout] 868 | let left = box Self::numeric_expression(left_pair)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 868 | let left = Box::new(Self::numeric_expression(left_pair)?); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:869:29 [INFO] [stdout] | [INFO] [stdout] 869 | let right = box Self::numeric_expression(right_pair)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 869 | let right = Box::new(Self::numeric_expression(right_pair)?); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:874:28 [INFO] [stdout] | [INFO] [stdout] 874 | let left = box Self::string_expression(left_pair)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 874 | let left = Box::new(Self::string_expression(left_pair)?); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:875:29 [INFO] [stdout] | [INFO] [stdout] 875 | let right = box Self::string_expression(right_pair)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 875 | let right = Box::new(Self::string_expression(right_pair)?); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:891:27 [INFO] [stdout] | [INFO] [stdout] 891 | let var = box Self::numeric_variable(var_pair)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 891 | let var = Box::new(Self::numeric_variable(var_pair)?); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:892:27 [INFO] [stdout] | [INFO] [stdout] 892 | let val = box Self::numeric_expression(expression_pair)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 892 | let val = Box::new(Self::numeric_expression(expression_pair)?); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:897:27 [INFO] [stdout] | [INFO] [stdout] 897 | let var = box Self::string_variable(var_pair)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 897 | let var = Box::new(Self::string_variable(var_pair)?); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:898:27 [INFO] [stdout] | [INFO] [stdout] 898 | let val = box Self::string_expression(expression_pair)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 898 | let val = Box::new(Self::string_expression(expression_pair)?); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:963:20 [INFO] [stdout] | [INFO] [stdout] 963 | let from = box Self::numeric_expression(pairs.next().unwrap())?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 963 | let from = Box::new(Self::numeric_expression(pairs.next().unwrap())?); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:964:18 [INFO] [stdout] | [INFO] [stdout] 964 | let to = box Self::numeric_expression(pairs.next().unwrap())?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 964 | let to = Box::new(Self::numeric_expression(pairs.next().unwrap())?); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:967:29 [INFO] [stdout] | [INFO] [stdout] 967 | Some(p) => Some(box Self::numeric_expression(p)?), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 967 | Some(p) => Some(Box::new(Self::numeric_expression(p)?)), [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:1048:44 [INFO] [stdout] | [INFO] [stdout] 1048 | Ok(AstNode::MonOp{op, arg: box arg_ast}) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 1048 | Ok(AstNode::MonOp{op, arg: Box::new(arg_ast)}) [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:1112:66 [INFO] [stdout] | [INFO] [stdout] 1112 | ... AstNode::MonOp { op, arg:box term_tree } [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 1112 | AstNode::MonOp { op, arg:Box::new(term_tree) } [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:1118:67 [INFO] [stdout] | [INFO] [stdout] 1118 | ... AstNode::BinOp { op, left:box prev_tree, right:box term_tree }) [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 1118 | AstNode::BinOp { op, left:Box::new(prev_tree), right:box term_tree }) [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:1118:88 [INFO] [stdout] | [INFO] [stdout] 1118 | ... AstNode::BinOp { op, left:box prev_tree, right:box term_tree }) [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 1118 | AstNode::BinOp { op, left:box prev_tree, right:Box::new(term_tree) }) [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:1128:39 [INFO] [stdout] | [INFO] [stdout] 1128 | Ok(AstNode::NumericExpression(box tree.unwrap())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 1128 | Ok(AstNode::NumericExpression(Box::new(tree.unwrap()))) [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:1165:67 [INFO] [stdout] | [INFO] [stdout] 1165 | ... tree = Some(AstNode::BinOp { op, left:box tree.unwrap(), right:box factor_tree }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 1165 | tree = Some(AstNode::BinOp { op, left:Box::new(tree.unwrap()), right:box factor_tree }) [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:1165:92 [INFO] [stdout] | [INFO] [stdout] 1165 | ... tree = Some(AstNode::BinOp { op, left:box tree.unwrap(), right:box factor_tree }) [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 1165 | tree = Some(AstNode::BinOp { op, left:box tree.unwrap(), right:Box::new(factor_tree) }) [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:1211:67 [INFO] [stdout] | [INFO] [stdout] 1211 | ... tree = Some(AstNode::BinOp { op, left:box tree.unwrap(), right:box primary_tree }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 1211 | tree = Some(AstNode::BinOp { op, left:Box::new(tree.unwrap()), right:box primary_tree }) [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:1211:92 [INFO] [stdout] | [INFO] [stdout] 1211 | ... tree = Some(AstNode::BinOp { op, left:box tree.unwrap(), right:box primary_tree }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 1211 | tree = Some(AstNode::BinOp { op, left:box tree.unwrap(), right:Box::new(primary_tree) }) [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:1269:22 [INFO] [stdout] | [INFO] [stdout] 1269 | let index1 = box Self::numeric_expression(sub_pairs.next().unwrap())?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 1269 | let index1 = Box::new(Self::numeric_expression(sub_pairs.next().unwrap())?); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:1273:30 [INFO] [stdout] | [INFO] [stdout] 1273 | let index2 = box Self::numeric_expression(p)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 1273 | let index2 = Box::new(Self::numeric_expression(p)?); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:1287:46 [INFO] [stdout] | [INFO] [stdout] 1287 | Ok(AstNode::StringExpression(box Self::string_variable(pair)?)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 1287 | Ok(AstNode::StringExpression(Box::new(Self::string_variable(pair)?))) [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:1290:46 [INFO] [stdout] | [INFO] [stdout] 1290 | Ok(AstNode::StringExpression(box Self::quoted_string(pair)?)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 1290 | Ok(AstNode::StringExpression(Box::new(Self::quoted_string(pair)?))) [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(box_syntax, box_patterns)] [INFO] [stdout] | ^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: replaced with `#[rustc_box]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:689:20 [INFO] [stdout] | [INFO] [stdout] 689 | let expr = box mc.expect_ast(Rule::numeric_expression, Self::numeric_expression)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 689 | let expr = Box::new(mc.expect_ast(Rule::numeric_expression, Self::numeric_expression)?); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:715:26 [INFO] [stdout] | [INFO] [stdout] 715 | let expression = box mc.expect_ast(Rule::numeric_expression, Self::numeric_expression)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 715 | let expression = Box::new(mc.expect_ast(Rule::numeric_expression, Self::numeric_expression)?); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:847:61 [INFO] [stdout] | [INFO] [stdout] 847 | Rule::numeric_expression => Ok(AstNode::TabCall(box Self::numeric_expression(p)?)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 847 | Rule::numeric_expression => Ok(AstNode::TabCall(Box::new(Self::numeric_expression(p)?))), [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:855:20 [INFO] [stdout] | [INFO] [stdout] 855 | let expr = box Self::relational_expression(rel_pair)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 855 | let expr = Box::new(Self::relational_expression(rel_pair)?); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:868:28 [INFO] [stdout] | [INFO] [stdout] 868 | let left = box Self::numeric_expression(left_pair)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 868 | let left = Box::new(Self::numeric_expression(left_pair)?); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:869:29 [INFO] [stdout] | [INFO] [stdout] 869 | let right = box Self::numeric_expression(right_pair)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 869 | let right = Box::new(Self::numeric_expression(right_pair)?); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:874:28 [INFO] [stdout] | [INFO] [stdout] 874 | let left = box Self::string_expression(left_pair)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 874 | let left = Box::new(Self::string_expression(left_pair)?); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:875:29 [INFO] [stdout] | [INFO] [stdout] 875 | let right = box Self::string_expression(right_pair)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 875 | let right = Box::new(Self::string_expression(right_pair)?); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:891:27 [INFO] [stdout] | [INFO] [stdout] 891 | let var = box Self::numeric_variable(var_pair)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 891 | let var = Box::new(Self::numeric_variable(var_pair)?); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:892:27 [INFO] [stdout] | [INFO] [stdout] 892 | let val = box Self::numeric_expression(expression_pair)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 892 | let val = Box::new(Self::numeric_expression(expression_pair)?); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:897:27 [INFO] [stdout] | [INFO] [stdout] 897 | let var = box Self::string_variable(var_pair)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 897 | let var = Box::new(Self::string_variable(var_pair)?); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:898:27 [INFO] [stdout] | [INFO] [stdout] 898 | let val = box Self::string_expression(expression_pair)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 898 | let val = Box::new(Self::string_expression(expression_pair)?); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:963:20 [INFO] [stdout] | [INFO] [stdout] 963 | let from = box Self::numeric_expression(pairs.next().unwrap())?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 963 | let from = Box::new(Self::numeric_expression(pairs.next().unwrap())?); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:964:18 [INFO] [stdout] | [INFO] [stdout] 964 | let to = box Self::numeric_expression(pairs.next().unwrap())?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 964 | let to = Box::new(Self::numeric_expression(pairs.next().unwrap())?); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:967:29 [INFO] [stdout] | [INFO] [stdout] 967 | Some(p) => Some(box Self::numeric_expression(p)?), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 967 | Some(p) => Some(Box::new(Self::numeric_expression(p)?)), [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:1048:44 [INFO] [stdout] | [INFO] [stdout] 1048 | Ok(AstNode::MonOp{op, arg: box arg_ast}) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 1048 | Ok(AstNode::MonOp{op, arg: Box::new(arg_ast)}) [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:1112:66 [INFO] [stdout] | [INFO] [stdout] 1112 | ... AstNode::MonOp { op, arg:box term_tree } [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 1112 | AstNode::MonOp { op, arg:Box::new(term_tree) } [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:1118:67 [INFO] [stdout] | [INFO] [stdout] 1118 | ... AstNode::BinOp { op, left:box prev_tree, right:box term_tree }) [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 1118 | AstNode::BinOp { op, left:Box::new(prev_tree), right:box term_tree }) [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:1118:88 [INFO] [stdout] | [INFO] [stdout] 1118 | ... AstNode::BinOp { op, left:box prev_tree, right:box term_tree }) [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 1118 | AstNode::BinOp { op, left:box prev_tree, right:Box::new(term_tree) }) [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:1128:39 [INFO] [stdout] | [INFO] [stdout] 1128 | Ok(AstNode::NumericExpression(box tree.unwrap())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 1128 | Ok(AstNode::NumericExpression(Box::new(tree.unwrap()))) [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:1165:67 [INFO] [stdout] | [INFO] [stdout] 1165 | ... tree = Some(AstNode::BinOp { op, left:box tree.unwrap(), right:box factor_tree }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 1165 | tree = Some(AstNode::BinOp { op, left:Box::new(tree.unwrap()), right:box factor_tree }) [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:1165:92 [INFO] [stdout] | [INFO] [stdout] 1165 | ... tree = Some(AstNode::BinOp { op, left:box tree.unwrap(), right:box factor_tree }) [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 1165 | tree = Some(AstNode::BinOp { op, left:box tree.unwrap(), right:Box::new(factor_tree) }) [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:1211:67 [INFO] [stdout] | [INFO] [stdout] 1211 | ... tree = Some(AstNode::BinOp { op, left:box tree.unwrap(), right:box primary_tree }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 1211 | tree = Some(AstNode::BinOp { op, left:Box::new(tree.unwrap()), right:box primary_tree }) [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:1211:92 [INFO] [stdout] | [INFO] [stdout] 1211 | ... tree = Some(AstNode::BinOp { op, left:box tree.unwrap(), right:box primary_tree }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 1211 | tree = Some(AstNode::BinOp { op, left:box tree.unwrap(), right:Box::new(primary_tree) }) [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:1269:22 [INFO] [stdout] | [INFO] [stdout] 1269 | let index1 = box Self::numeric_expression(sub_pairs.next().unwrap())?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 1269 | let index1 = Box::new(Self::numeric_expression(sub_pairs.next().unwrap())?); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:1273:30 [INFO] [stdout] | [INFO] [stdout] 1273 | let index2 = box Self::numeric_expression(p)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 1273 | let index2 = Box::new(Self::numeric_expression(p)?); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:1287:46 [INFO] [stdout] | [INFO] [stdout] 1287 | Ok(AstNode::StringExpression(box Self::string_variable(pair)?)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 1287 | Ok(AstNode::StringExpression(Box::new(Self::string_variable(pair)?))) [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/ast.rs:1290:46 [INFO] [stdout] | [INFO] [stdout] 1290 | Ok(AstNode::StringExpression(box Self::quoted_string(pair)?)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 1290 | Ok(AstNode::StringExpression(Box::new(Self::quoted_string(pair)?))) [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: could not compile `mini-basic` (lib) due to 29 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: could not compile `mini-basic` (lib test) due to 29 previous errors [INFO] running `Command { std: "docker" "inspect" "e8cf5d6aaf71be6dab3fb35a9a7a9f38f2344c1627d9346eb796dfece1f1e485", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8cf5d6aaf71be6dab3fb35a9a7a9f38f2344c1627d9346eb796dfece1f1e485", kill_on_drop: false }` [INFO] [stdout] e8cf5d6aaf71be6dab3fb35a9a7a9f38f2344c1627d9346eb796dfece1f1e485