[INFO] cloning repository https://github.com/ettolrach/sqarlet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ettolrach/sqarlet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fettolrach%2Fsqarlet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fettolrach%2Fsqarlet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e48970a6084543a59f6d328d5cfcd2322ea90c0c
[INFO] testing ettolrach/sqarlet against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fettolrach%2Fsqarlet" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ettolrach/sqarlet
[INFO] finished tweaking git repo https://github.com/ettolrach/sqarlet
[INFO] tweaked toml for git repo https://github.com/ettolrach/sqarlet written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ettolrach/sqarlet on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ettolrach/sqarlet 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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14c1ad63923fc5009ffe463665437657a94a777288f1dc6b75df1f53764747ab
[INFO] running `Command { std: "docker" "start" "-a" "14c1ad63923fc5009ffe463665437657a94a777288f1dc6b75df1f53764747ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14c1ad63923fc5009ffe463665437657a94a777288f1dc6b75df1f53764747ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14c1ad63923fc5009ffe463665437657a94a777288f1dc6b75df1f53764747ab", kill_on_drop: false }`
[INFO] [stdout] 14c1ad63923fc5009ffe463665437657a94a777288f1dc6b75df1f53764747ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33145586cadfc7457ea6fb49718e412d792d1040871b48ff5b1e14048aa8101e
[INFO] running `Command { std: "docker" "start" "-a" "33145586cadfc7457ea6fb49718e412d792d1040871b48ff5b1e14048aa8101e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling sqarl-implementation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/codegen.rs:69:40
[INFO] [stdout]    |
[INFO] [stdout] 69 |             crate::expr::ExprKind::Set(id, expr) => todo!(),
[INFO] [stdout]    |                                        ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/codegen.rs:69:44
[INFO] [stdout]    |
[INFO] [stdout] 69 |             crate::expr::ExprKind::Set(id, expr) => todo!(),
[INFO] [stdout]    |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/codegen.rs:70:43
[INFO] [stdout]    |
[INFO] [stdout] 70 |             crate::expr::ExprKind::Record(id, items) => todo!(),
[INFO] [stdout]    |                                           ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `items`
[INFO] [stdout]   --> src/codegen.rs:70:47
[INFO] [stdout]    |
[INFO] [stdout] 70 |             crate::expr::ExprKind::Record(id, items) => todo!(),
[INFO] [stdout]    |                                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/codegen.rs:93:40
[INFO] [stdout]    |
[INFO] [stdout] 93 |             crate::expr::ExprKind::For(id, expr, expr1, expr2, exprs) => todo!(),
[INFO] [stdout]    |                                        ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/codegen.rs:93:44
[INFO] [stdout]    |
[INFO] [stdout] 93 |             crate::expr::ExprKind::For(id, expr, expr1, expr2, exprs) => todo!(),
[INFO] [stdout]    |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr1`
[INFO] [stdout]   --> src/codegen.rs:93:50
[INFO] [stdout]    |
[INFO] [stdout] 93 |             crate::expr::ExprKind::For(id, expr, expr1, expr2, exprs) => todo!(),
[INFO] [stdout]    |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_expr1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr2`
[INFO] [stdout]   --> src/codegen.rs:93:57
[INFO] [stdout]    |
[INFO] [stdout] 93 |             crate::expr::ExprKind::For(id, expr, expr1, expr2, exprs) => todo!(),
[INFO] [stdout]    |                                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_expr2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exprs`
[INFO] [stdout]   --> src/codegen.rs:93:64
[INFO] [stdout]    |
[INFO] [stdout] 93 |             crate::expr::ExprKind::For(id, expr, expr1, expr2, exprs) => todo!(),
[INFO] [stdout]    |                                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_exprs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/codegen.rs:94:44
[INFO] [stdout]    |
[INFO] [stdout] 94 |             crate::expr::ExprKind::ForEach(id, expr, exprs) => todo!(),
[INFO] [stdout]    |                                            ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/codegen.rs:94:48
[INFO] [stdout]    |
[INFO] [stdout] 94 |             crate::expr::ExprKind::ForEach(id, expr, exprs) => todo!(),
[INFO] [stdout]    |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exprs`
[INFO] [stdout]   --> src/codegen.rs:94:54
[INFO] [stdout]    |
[INFO] [stdout] 94 |             crate::expr::ExprKind::ForEach(id, expr, exprs) => todo!(),
[INFO] [stdout]    |                                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_exprs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/codegen.rs:95:44
[INFO] [stdout]    |
[INFO] [stdout] 95 |             crate::expr::ExprKind::Receive(id) => todo!(),
[INFO] [stdout]    |                                            ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/codegen.rs:96:42
[INFO] [stdout]    |
[INFO] [stdout] 96 |             crate::expr::ExprKind::BinOp(expr, operator, expr1) => todo!(),
[INFO] [stdout]    |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operator`
[INFO] [stdout]   --> src/codegen.rs:96:48
[INFO] [stdout]    |
[INFO] [stdout] 96 |             crate::expr::ExprKind::BinOp(expr, operator, expr1) => todo!(),
[INFO] [stdout]    |                                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr1`
[INFO] [stdout]   --> src/codegen.rs:96:58
[INFO] [stdout]    |
[INFO] [stdout] 96 |             crate::expr::ExprKind::BinOp(expr, operator, expr1) => todo!(),
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_expr1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/lib.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn generate(s: &str) -> Result<String, ()> {
[INFO] [stdout]   |                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Generator` is never constructed
[INFO] [stdout]  --> src/codegen.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Generator {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `var`, `generate`, and `generate_several` are never used
[INFO] [stdout]    --> src/codegen.rs:11:8
[INFO] [stdout]     |
[INFO] [stdout]  10 | impl Generator {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout]  11 |     fn var(&mut self) -> String {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  22 |     fn generate(
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     fn generate_several(&mut self, exprs: &[Expr], env: &mut HashMap<Id, String>) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_code` is never used
[INFO] [stdout]    --> src/codegen.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub fn generate_code(program: &[Expr]) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Operator` is never used
[INFO] [stdout]   --> src/expr.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub enum Operator {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `arg_types` and `result_type` are never used
[INFO] [stdout]   --> src/expr.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Operator {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] 37 |     pub fn arg_types(&self) -> (Type, Type) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn result_type(&self) -> &Type {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ExprKind` is never used
[INFO] [stdout]   --> src/expr.rs:59:10
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub enum ExprKind {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Expr` is never constructed
[INFO] [stdout]   --> src/expr.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub struct Expr {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Position` is never constructed
[INFO] [stdout]  --> src/parse.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Position {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_from_keyboard` is never used
[INFO] [stdout]   --> src/prelude.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn read_from_keyboard() -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TypeError` is never used
[INFO] [stdout]   --> src/typechecking.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum TypeError {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/typechecking.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn check<'a>(expr: &'a Expr, context: &'a mut HashMap<Id, Type>) -> Result<&'a Type, TypeError> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_exprs` is never used
[INFO] [stdout]    --> src/typechecking.rs:187:4
[INFO] [stdout]     |
[INFO] [stdout] 187 | fn check_exprs(exprs: &[Expr], context: &mut HashMap<Id, Type>) -> Result<(), TypeError> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `typecheck_program` is never used
[INFO] [stdout]    --> src/typechecking.rs:194:8
[INFO] [stdout]     |
[INFO] [stdout] 194 | pub fn typecheck_program(exprs: &[Expr]) -> Result<(), TypeError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Record` is never constructed
[INFO] [stdout]    --> src/types.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub struct Record {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Class` is never constructed
[INFO] [stdout]    --> src/types.rs:123:12
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub struct Class {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr:` in this pattern is redundant
[INFO] [stdout]   --> src/codegen.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             expr: expr,
[INFO] [stdout]    |             ^^^^^^^^^^ help: use shorthand field pattern: `expr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_shorthand_field_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.32s
[INFO] running `Command { std: "docker" "inspect" "33145586cadfc7457ea6fb49718e412d792d1040871b48ff5b1e14048aa8101e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33145586cadfc7457ea6fb49718e412d792d1040871b48ff5b1e14048aa8101e", kill_on_drop: false }`
[INFO] [stdout] 33145586cadfc7457ea6fb49718e412d792d1040871b48ff5b1e14048aa8101e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c4b90caad99f66773f36b953517464e881b44bcc79ac6ed50d9fb9e6c15ecb1
[INFO] running `Command { std: "docker" "start" "-a" "1c4b90caad99f66773f36b953517464e881b44bcc79ac6ed50d9fb9e6c15ecb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling sqarl-implementation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/codegen.rs:69:40
[INFO] [stdout]    |
[INFO] [stdout] 69 |             crate::expr::ExprKind::Set(id, expr) => todo!(),
[INFO] [stdout]    |                                        ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/codegen.rs:69:44
[INFO] [stdout]    |
[INFO] [stdout] 69 |             crate::expr::ExprKind::Set(id, expr) => todo!(),
[INFO] [stdout]    |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/codegen.rs:70:43
[INFO] [stdout]    |
[INFO] [stdout] 70 |             crate::expr::ExprKind::Record(id, items) => todo!(),
[INFO] [stdout]    |                                           ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `items`
[INFO] [stdout]   --> src/codegen.rs:70:47
[INFO] [stdout]    |
[INFO] [stdout] 70 |             crate::expr::ExprKind::Record(id, items) => todo!(),
[INFO] [stdout]    |                                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/codegen.rs:93:40
[INFO] [stdout]    |
[INFO] [stdout] 93 |             crate::expr::ExprKind::For(id, expr, expr1, expr2, exprs) => todo!(),
[INFO] [stdout]    |                                        ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/codegen.rs:93:44
[INFO] [stdout]    |
[INFO] [stdout] 93 |             crate::expr::ExprKind::For(id, expr, expr1, expr2, exprs) => todo!(),
[INFO] [stdout]    |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr1`
[INFO] [stdout]   --> src/codegen.rs:93:50
[INFO] [stdout]    |
[INFO] [stdout] 93 |             crate::expr::ExprKind::For(id, expr, expr1, expr2, exprs) => todo!(),
[INFO] [stdout]    |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_expr1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr2`
[INFO] [stdout]   --> src/codegen.rs:93:57
[INFO] [stdout]    |
[INFO] [stdout] 93 |             crate::expr::ExprKind::For(id, expr, expr1, expr2, exprs) => todo!(),
[INFO] [stdout]    |                                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_expr2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exprs`
[INFO] [stdout]   --> src/codegen.rs:93:64
[INFO] [stdout]    |
[INFO] [stdout] 93 |             crate::expr::ExprKind::For(id, expr, expr1, expr2, exprs) => todo!(),
[INFO] [stdout]    |                                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_exprs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/codegen.rs:94:44
[INFO] [stdout]    |
[INFO] [stdout] 94 |             crate::expr::ExprKind::ForEach(id, expr, exprs) => todo!(),
[INFO] [stdout]    |                                            ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/codegen.rs:94:48
[INFO] [stdout]    |
[INFO] [stdout] 94 |             crate::expr::ExprKind::ForEach(id, expr, exprs) => todo!(),
[INFO] [stdout]    |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exprs`
[INFO] [stdout]   --> src/codegen.rs:94:54
[INFO] [stdout]    |
[INFO] [stdout] 94 |             crate::expr::ExprKind::ForEach(id, expr, exprs) => todo!(),
[INFO] [stdout]    |                                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_exprs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/codegen.rs:95:44
[INFO] [stdout]    |
[INFO] [stdout] 95 |             crate::expr::ExprKind::Receive(id) => todo!(),
[INFO] [stdout]    |                                            ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/codegen.rs:96:42
[INFO] [stdout]    |
[INFO] [stdout] 96 |             crate::expr::ExprKind::BinOp(expr, operator, expr1) => todo!(),
[INFO] [stdout]    |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operator`
[INFO] [stdout]   --> src/codegen.rs:96:48
[INFO] [stdout]    |
[INFO] [stdout] 96 |             crate::expr::ExprKind::BinOp(expr, operator, expr1) => todo!(),
[INFO] [stdout]    |                                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr1`
[INFO] [stdout]   --> src/codegen.rs:96:58
[INFO] [stdout]    |
[INFO] [stdout] 96 |             crate::expr::ExprKind::BinOp(expr, operator, expr1) => todo!(),
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_expr1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/lib.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn generate(s: &str) -> Result<String, ()> {
[INFO] [stdout]   |                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Generator` is never constructed
[INFO] [stdout]  --> src/codegen.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Generator {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `var`, `generate`, and `generate_several` are never used
[INFO] [stdout]    --> src/codegen.rs:11:8
[INFO] [stdout]     |
[INFO] [stdout]  10 | impl Generator {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout]  11 |     fn var(&mut self) -> String {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  22 |     fn generate(
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     fn generate_several(&mut self, exprs: &[Expr], env: &mut HashMap<Id, String>) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_code` is never used
[INFO] [stdout]    --> src/codegen.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub fn generate_code(program: &[Expr]) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Operator` is never used
[INFO] [stdout]   --> src/expr.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub enum Operator {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `arg_types` and `result_type` are never used
[INFO] [stdout]   --> src/expr.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Operator {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] 37 |     pub fn arg_types(&self) -> (Type, Type) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn result_type(&self) -> &Type {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ExprKind` is never used
[INFO] [stdout]   --> src/expr.rs:59:10
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub enum ExprKind {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Expr` is never constructed
[INFO] [stdout]   --> src/expr.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub struct Expr {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Position` is never constructed
[INFO] [stdout]  --> src/parse.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Position {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_from_keyboard` is never used
[INFO] [stdout]   --> src/prelude.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn read_from_keyboard() -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TypeError` is never used
[INFO] [stdout]   --> src/typechecking.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum TypeError {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/typechecking.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn check<'a>(expr: &'a Expr, context: &'a mut HashMap<Id, Type>) -> Result<&'a Type, TypeError> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_exprs` is never used
[INFO] [stdout]    --> src/typechecking.rs:187:4
[INFO] [stdout]     |
[INFO] [stdout] 187 | fn check_exprs(exprs: &[Expr], context: &mut HashMap<Id, Type>) -> Result<(), TypeError> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `typecheck_program` is never used
[INFO] [stdout]    --> src/typechecking.rs:194:8
[INFO] [stdout]     |
[INFO] [stdout] 194 | pub fn typecheck_program(exprs: &[Expr]) -> Result<(), TypeError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Record` is never constructed
[INFO] [stdout]    --> src/types.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub struct Record {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Class` is never constructed
[INFO] [stdout]    --> src/types.rs:123:12
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub struct Class {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr:` in this pattern is redundant
[INFO] [stdout]   --> src/codegen.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             expr: expr,
[INFO] [stdout]    |             ^^^^^^^^^^ help: use shorthand field pattern: `expr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_shorthand_field_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/codegen.rs:69:40
[INFO] [stdout]    |
[INFO] [stdout] 69 |             crate::expr::ExprKind::Set(id, expr) => todo!(),
[INFO] [stdout]    |                                        ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/codegen.rs:69:44
[INFO] [stdout]    |
[INFO] [stdout] 69 |             crate::expr::ExprKind::Set(id, expr) => todo!(),
[INFO] [stdout]    |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/codegen.rs:70:43
[INFO] [stdout]    |
[INFO] [stdout] 70 |             crate::expr::ExprKind::Record(id, items) => todo!(),
[INFO] [stdout]    |                                           ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `items`
[INFO] [stdout]   --> src/codegen.rs:70:47
[INFO] [stdout]    |
[INFO] [stdout] 70 |             crate::expr::ExprKind::Record(id, items) => todo!(),
[INFO] [stdout]    |                                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/codegen.rs:93:40
[INFO] [stdout]    |
[INFO] [stdout] 93 |             crate::expr::ExprKind::For(id, expr, expr1, expr2, exprs) => todo!(),
[INFO] [stdout]    |                                        ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/codegen.rs:93:44
[INFO] [stdout]    |
[INFO] [stdout] 93 |             crate::expr::ExprKind::For(id, expr, expr1, expr2, exprs) => todo!(),
[INFO] [stdout]    |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr1`
[INFO] [stdout]   --> src/codegen.rs:93:50
[INFO] [stdout]    |
[INFO] [stdout] 93 |             crate::expr::ExprKind::For(id, expr, expr1, expr2, exprs) => todo!(),
[INFO] [stdout]    |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_expr1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr2`
[INFO] [stdout]   --> src/codegen.rs:93:57
[INFO] [stdout]    |
[INFO] [stdout] 93 |             crate::expr::ExprKind::For(id, expr, expr1, expr2, exprs) => todo!(),
[INFO] [stdout]    |                                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_expr2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exprs`
[INFO] [stdout]   --> src/codegen.rs:93:64
[INFO] [stdout]    |
[INFO] [stdout] 93 |             crate::expr::ExprKind::For(id, expr, expr1, expr2, exprs) => todo!(),
[INFO] [stdout]    |                                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_exprs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/codegen.rs:94:44
[INFO] [stdout]    |
[INFO] [stdout] 94 |             crate::expr::ExprKind::ForEach(id, expr, exprs) => todo!(),
[INFO] [stdout]    |                                            ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/codegen.rs:94:48
[INFO] [stdout]    |
[INFO] [stdout] 94 |             crate::expr::ExprKind::ForEach(id, expr, exprs) => todo!(),
[INFO] [stdout]    |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exprs`
[INFO] [stdout]   --> src/codegen.rs:94:54
[INFO] [stdout]    |
[INFO] [stdout] 94 |             crate::expr::ExprKind::ForEach(id, expr, exprs) => todo!(),
[INFO] [stdout]    |                                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_exprs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/codegen.rs:95:44
[INFO] [stdout]    |
[INFO] [stdout] 95 |             crate::expr::ExprKind::Receive(id) => todo!(),
[INFO] [stdout]    |                                            ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/codegen.rs:96:42
[INFO] [stdout]    |
[INFO] [stdout] 96 |             crate::expr::ExprKind::BinOp(expr, operator, expr1) => todo!(),
[INFO] [stdout]    |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operator`
[INFO] [stdout]   --> src/codegen.rs:96:48
[INFO] [stdout]    |
[INFO] [stdout] 96 |             crate::expr::ExprKind::BinOp(expr, operator, expr1) => todo!(),
[INFO] [stdout]    |                                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr1`
[INFO] [stdout]   --> src/codegen.rs:96:58
[INFO] [stdout]    |
[INFO] [stdout] 96 |             crate::expr::ExprKind::BinOp(expr, operator, expr1) => todo!(),
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_expr1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/lib.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn generate(s: &str) -> Result<String, ()> {
[INFO] [stdout]   |                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Generator` is never constructed
[INFO] [stdout]  --> src/codegen.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Generator {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `var`, `generate`, and `generate_several` are never used
[INFO] [stdout]    --> src/codegen.rs:11:8
[INFO] [stdout]     |
[INFO] [stdout]  10 | impl Generator {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout]  11 |     fn var(&mut self) -> String {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  22 |     fn generate(
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     fn generate_several(&mut self, exprs: &[Expr], env: &mut HashMap<Id, String>) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_code` is never used
[INFO] [stdout]    --> src/codegen.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub fn generate_code(program: &[Expr]) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `DeclareFromKeyboard`, `Record`, `IfThenElse`, `While`, `Repeat`, and `ForEach` are never constructed
[INFO] [stdout]   --> src/expr.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub enum ExprKind {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 71 |     DeclareFromKeyboard(Id, Option<Type>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     Record(Id, Vec<Field>),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 76 |     /// Conditional.
[INFO] [stdout] 77 |     IfThenElse(Box<Expr>, Vec<Expr>, Vec<Expr>),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 78 |     While(Box<Expr>, Vec<Expr>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 79 |     Repeat(Vec<Expr>, Box<Expr>),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 80 |     For(Id, Box<Expr>, Box<Expr>, Option<Box<Expr>>, Vec<Expr>),
[INFO] [stdout] 81 |     ForEach(Id, Box<Expr>, Vec<Expr>),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExprKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_from_keyboard` is never used
[INFO] [stdout]   --> src/prelude.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn read_from_keyboard() -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Record` is never constructed
[INFO] [stdout]    --> src/types.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub struct Record {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Class` is never constructed
[INFO] [stdout]    --> src/types.rs:123:12
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub struct Class {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr:` in this pattern is redundant
[INFO] [stdout]   --> src/codegen.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             expr: expr,
[INFO] [stdout]    |             ^^^^^^^^^^ help: use shorthand field pattern: `expr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_shorthand_field_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "1c4b90caad99f66773f36b953517464e881b44bcc79ac6ed50d9fb9e6c15ecb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c4b90caad99f66773f36b953517464e881b44bcc79ac6ed50d9fb9e6c15ecb1", kill_on_drop: false }`
[INFO] [stdout] 1c4b90caad99f66773f36b953517464e881b44bcc79ac6ed50d9fb9e6c15ecb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f80dea537e281da7acb2e35f187bae9e727e54be9a2bc520f2450fc5ce4cb6c1
[INFO] running `Command { std: "docker" "start" "-a" "f80dea537e281da7acb2e35f187bae9e727e54be9a2bc520f2450fc5ce4cb6c1", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]   --> src/codegen.rs:69:40
[INFO] [stderr]    |
[INFO] [stderr] 69 |             crate::expr::ExprKind::Set(id, expr) => todo!(),
[INFO] [stderr]    |                                        ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]   --> src/codegen.rs:69:44
[INFO] [stderr]    |
[INFO] [stderr] 69 |             crate::expr::ExprKind::Set(id, expr) => todo!(),
[INFO] [stderr]    |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]   --> src/codegen.rs:70:43
[INFO] [stderr]    |
[INFO] [stderr] 70 |             crate::expr::ExprKind::Record(id, items) => todo!(),
[INFO] [stderr]    |                                           ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `items`
[INFO] [stderr]   --> src/codegen.rs:70:47
[INFO] [stderr]    |
[INFO] [stderr] 70 |             crate::expr::ExprKind::Record(id, items) => todo!(),
[INFO] [stderr]    |                                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]   --> src/codegen.rs:93:40
[INFO] [stderr]    |
[INFO] [stderr] 93 |             crate::expr::ExprKind::For(id, expr, expr1, expr2, exprs) => todo!(),
[INFO] [stderr]    |                                        ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]   --> src/codegen.rs:93:44
[INFO] [stderr]    |
[INFO] [stderr] 93 |             crate::expr::ExprKind::For(id, expr, expr1, expr2, exprs) => todo!(),
[INFO] [stderr]    |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr1`
[INFO] [stderr]   --> src/codegen.rs:93:50
[INFO] [stderr]    |
[INFO] [stderr] 93 |             crate::expr::ExprKind::For(id, expr, expr1, expr2, exprs) => todo!(),
[INFO] [stderr]    |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_expr1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr2`
[INFO] [stderr]   --> src/codegen.rs:93:57
[INFO] [stderr]    |
[INFO] [stderr] 93 |             crate::expr::ExprKind::For(id, expr, expr1, expr2, exprs) => todo!(),
[INFO] [stderr]    |                                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_expr2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `exprs`
[INFO] [stderr]   --> src/codegen.rs:93:64
[INFO] [stderr]    |
[INFO] [stderr] 93 |             crate::expr::ExprKind::For(id, expr, expr1, expr2, exprs) => todo!(),
[INFO] [stderr]    |                                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_exprs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]   --> src/codegen.rs:94:44
[INFO] [stderr]    |
[INFO] [stderr] 94 |             crate::expr::ExprKind::ForEach(id, expr, exprs) => todo!(),
[INFO] [stderr]    |                                            ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]   --> src/codegen.rs:94:48
[INFO] [stderr]    |
[INFO] [stderr] 94 |             crate::expr::ExprKind::ForEach(id, expr, exprs) => todo!(),
[INFO] [stderr]    |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `exprs`
[INFO] [stderr]   --> src/codegen.rs:94:54
[INFO] [stderr]    |
[INFO] [stderr] 94 |             crate::expr::ExprKind::ForEach(id, expr, exprs) => todo!(),
[INFO] [stderr]    |                                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_exprs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]   --> src/codegen.rs:95:44
[INFO] [stderr]    |
[INFO] [stderr] 95 |             crate::expr::ExprKind::Receive(id) => todo!(),
[INFO] [stderr]    |                                            ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]   --> src/codegen.rs:96:42
[INFO] [stderr]    |
[INFO] [stderr] 96 |             crate::expr::ExprKind::BinOp(expr, operator, expr1) => todo!(),
[INFO] [stderr]    |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `operator`
[INFO] [stderr]   --> src/codegen.rs:96:48
[INFO] [stderr]    |
[INFO] [stderr] 96 |             crate::expr::ExprKind::BinOp(expr, operator, expr1) => todo!(),
[INFO] [stderr]    |                                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operator`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr1`
[INFO] [stderr]   --> src/codegen.rs:96:58
[INFO] [stderr]    |
[INFO] [stderr] 96 |             crate::expr::ExprKind::BinOp(expr, operator, expr1) => todo!(),
[INFO] [stderr]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_expr1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]  --> src/lib.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn generate(s: &str) -> Result<String, ()> {
[INFO] [stderr]   |                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Generator` is never constructed
[INFO] [stderr]  --> src/codegen.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Generator {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `var`, `generate`, and `generate_several` are never used
[INFO] [stderr]    --> src/codegen.rs:11:8
[INFO] [stderr]     |
[INFO] [stderr]  10 | impl Generator {
[INFO] [stderr]     | -------------- methods in this implementation
[INFO] [stderr]  11 |     fn var(&mut self) -> String {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] ...
[INFO] [stderr]  22 |     fn generate(
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 106 |     fn generate_several(&mut self, exprs: &[Expr], env: &mut HashMap<Id, String>) -> String {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `generate_code` is never used
[INFO] [stderr]    --> src/codegen.rs:118:8
[INFO] [stderr]     |
[INFO] [stderr] 118 | pub fn generate_code(program: &[Expr]) -> String {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Operator` is never used
[INFO] [stderr]   --> src/expr.rs:32:10
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub enum Operator {
[INFO] [stderr]    |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `arg_types` and `result_type` are never used
[INFO] [stderr]   --> src/expr.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 36 | impl Operator {
[INFO] [stderr]    | ------------- methods in this implementation
[INFO] [stderr] 37 |     pub fn arg_types(&self) -> (Type, Type) {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 43 |     pub fn result_type(&self) -> &Type {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `ExprKind` is never used
[INFO] [stderr]   --> src/expr.rs:59:10
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub enum ExprKind {
[INFO] [stderr]    |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Expr` is never constructed
[INFO] [stderr]   --> src/expr.rs:90:12
[INFO] [stderr]    |
[INFO] [stderr] 90 | pub struct Expr {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Position` is never constructed
[INFO] [stderr]  --> src/parse.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Position {
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_from_keyboard` is never used
[INFO] [stderr]   --> src/prelude.rs:30:4
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn read_from_keyboard() -> String {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `TypeError` is never used
[INFO] [stderr]   --> src/typechecking.rs:12:10
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub enum TypeError {
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `check` is never used
[INFO] [stderr]   --> src/typechecking.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn check<'a>(expr: &'a Expr, context: &'a mut HashMap<Id, Type>) -> Result<&'a Type, TypeError> {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `check_exprs` is never used
[INFO] [stderr]    --> src/typechecking.rs:187:4
[INFO] [stderr]     |
[INFO] [stderr] 187 | fn check_exprs(exprs: &[Expr], context: &mut HashMap<Id, Type>) -> Result<(), TypeError> {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `typecheck_program` is never used
[INFO] [stderr]    --> src/typechecking.rs:194:8
[INFO] [stderr]     |
[INFO] [stderr] 194 | pub fn typecheck_program(exprs: &[Expr]) -> Result<(), TypeError> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Record` is never constructed
[INFO] [stderr]    --> src/types.rs:118:12
[INFO] [stderr]     |
[INFO] [stderr] 118 | pub struct Record {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Class` is never constructed
[INFO] [stderr]    --> src/types.rs:123:12
[INFO] [stderr]     |
[INFO] [stderr] 123 | pub struct Class {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the `expr:` in this pattern is redundant
[INFO] [stderr]   --> src/codegen.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |             expr: expr,
[INFO] [stderr]    |             ^^^^^^^^^^ help: use shorthand field pattern: `expr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_shorthand_field_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `DeclareFromKeyboard`, `Record`, `IfThenElse`, `While`, `Repeat`, and `ForEach` are never constructed
[INFO] [stderr]   --> src/expr.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub enum ExprKind {
[INFO] [stderr]    |          -------- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 71 |     DeclareFromKeyboard(Id, Option<Type>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 75 |     Record(Id, Vec<Field>),
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 76 |     /// Conditional.
[INFO] [stderr] 77 |     IfThenElse(Box<Expr>, Vec<Expr>, Vec<Expr>),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 78 |     While(Box<Expr>, Vec<Expr>),
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 79 |     Repeat(Vec<Expr>, Box<Expr>),
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 80 |     For(Id, Box<Expr>, Box<Expr>, Option<Box<Expr>>, Vec<Expr>),
[INFO] [stderr] 81 |     ForEach(Id, Box<Expr>, Vec<Expr>),
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ExprKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `sqarl-implementation` (lib) generated 33 warnings (run `cargo fix --lib -p sqarl-implementation` to apply 18 suggestions)
[INFO] [stdout] 
[INFO] [stderr] warning: `sqarl-implementation` (lib test) generated 25 warnings (24 duplicates)
[INFO] [stdout] running 2 tests
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sqarl_implementation-ad2bd69b87b696c2)
[INFO] [stdout] test typechecking::tests::running_total ... ok
[INFO] [stdout] test tests::traverse_array_1 ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::traverse_array_1 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::traverse_array_1' (25) panicked at src/lib.rs:56:62:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5970b5260cb2 - std[3b51380354919863]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5970b5260cb2 - std[3b51380354919863]::backtrace_rs::backtrace::trace_unsynchronized::<std[3b51380354919863]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5970b5260cb2 - std[3b51380354919863]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5970b5260cb2 - <<std[3b51380354919863]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[27de1724e4349be2]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5970b52757ba - <core[27de1724e4349be2]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5970b52757ba - core[27de1724e4349be2]::fmt::write
[INFO] [stdout]    6:     0x5970b5265ab6 - std[3b51380354919863]::io::default_write_fmt::<alloc[a57f19327c0ad893]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5970b5265ab6 - <alloc[a57f19327c0ad893]::vec::Vec<u8> as std[3b51380354919863]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5970b523f04f - <std[3b51380354919863]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5970b523f04f - std[3b51380354919863]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5970b5258df9 - std[3b51380354919863]::panicking::default_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5970b51f461e - <alloc[a57f19327c0ad893]::boxed::Box<dyn for<'a, 'b> core[27de1724e4349be2]::ops::function::Fn<(&'a std[3b51380354919863]::panic::PanicHookInfo<'b>,), Output = ()> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::Fn<(&std[3b51380354919863]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5970b51f461e - test[182b2e79ecd7bbd9]::test_main_with_exit_callback::<test[182b2e79ecd7bbd9]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5970b5258fb2 - <alloc[a57f19327c0ad893]::boxed::Box<dyn for<'a, 'b> core[27de1724e4349be2]::ops::function::Fn<(&'a std[3b51380354919863]::panic::PanicHookInfo<'b>,), Output = ()> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::Fn<(&std[3b51380354919863]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5970b5258fb2 - std[3b51380354919863]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5970b523f108 - std[3b51380354919863]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5970b5234389 - std[3b51380354919863]::sys::backtrace::__rust_end_short_backtrace::<std[3b51380354919863]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5970b523ff5d - __rustc[d79c0ace40940972]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5970b5275e8c - core[27de1724e4349be2]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5970b5275c02 - core[27de1724e4349be2]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x5970b51d7594 - <core[27de1724e4349be2]::result::Result<(), std[3b51380354919863]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5970b51d7594 - sqarl_implementation[7fa955a2ce7bf57f]::tests::traverse_array_1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:56:62
[INFO] [stdout]   22:     0x5970b51d6d37 - sqarl_implementation[7fa955a2ce7bf57f]::tests::traverse_array_1::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:33:26
[INFO] [stdout]   23:     0x5970b51e39b6 - <sqarl_implementation[7fa955a2ce7bf57f]::tests::traverse_array_1::{closure#0} as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5970b51e89cb - <fn() -> core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5970b51e89cb - test[182b2e79ecd7bbd9]::__rust_begin_short_backtrace::<core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>, fn() -> core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5970b51f522a - test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5970b51f522a - <core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5970b51f522a - std[3b51380354919863]::panicking::catch_unwind::do_call::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>, core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5970b51f522a - std[3b51380354919863]::panicking::catch_unwind::<core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>, core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5970b51f522a - std[3b51380354919863]::panic::catch_unwind::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>, core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5970b51f522a - test[182b2e79ecd7bbd9]::run_test_in_process
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5970b51f522a - test[182b2e79ecd7bbd9]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5970b51f07d4 - test[182b2e79ecd7bbd9]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5970b51f07d4 - std[3b51380354919863]::sys::backtrace::__rust_begin_short_backtrace::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5970b51f7d22 - std[3b51380354919863]::thread::lifecycle::spawn_unchecked::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x5970b51f7d22 - <core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5970b51f7d22 - std[3b51380354919863]::panicking::catch_unwind::do_call::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5970b51f7d22 - std[3b51380354919863]::panicking::catch_unwind::<(), core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5970b51f7d22 - std[3b51380354919863]::panic::catch_unwind::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5970b51f7d22 - std[3b51380354919863]::thread::lifecycle::spawn_unchecked::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x5970b51f7d22 - <std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1} as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5970b52603bf - <alloc[a57f19327c0ad893]::boxed::Box<dyn core[27de1724e4349be2]::ops::function::FnOnce<(), Output = ()> + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x5970b52603bf - <std[3b51380354919863]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   44:     0x77ca97913aa4 - <unknown>
[INFO] [stdout]   45:     0x77ca979a0a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::traverse_array_1
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f80dea537e281da7acb2e35f187bae9e727e54be9a2bc520f2450fc5ce4cb6c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f80dea537e281da7acb2e35f187bae9e727e54be9a2bc520f2450fc5ce4cb6c1", kill_on_drop: false }`
[INFO] [stdout] f80dea537e281da7acb2e35f187bae9e727e54be9a2bc520f2450fc5ce4cb6c1
