[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#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fettolrach%2Fsqarlet" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-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-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ettolrach/sqarlet on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85ae759c5e12992ae65d4fcc57340e00aade4eb13da2f760de4f91bca119ed86
[INFO] running `Command { std: "docker" "start" "-a" "85ae759c5e12992ae65d4fcc57340e00aade4eb13da2f760de4f91bca119ed86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85ae759c5e12992ae65d4fcc57340e00aade4eb13da2f760de4f91bca119ed86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85ae759c5e12992ae65d4fcc57340e00aade4eb13da2f760de4f91bca119ed86", kill_on_drop: false }`
[INFO] [stdout] 85ae759c5e12992ae65d4fcc57340e00aade4eb13da2f760de4f91bca119ed86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf44151dbbd3ac20c9649c66bdbdfee6b9a6046e07ef84ff28fc6e7398deac72
[INFO] running `Command { std: "docker" "start" "-a" "cf44151dbbd3ac20c9649c66bdbdfee6b9a6046e07ef84ff28fc6e7398deac72", kill_on_drop: false }`
[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)]` 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)]` 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 20.35s
[INFO] running `Command { std: "docker" "inspect" "cf44151dbbd3ac20c9649c66bdbdfee6b9a6046e07ef84ff28fc6e7398deac72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf44151dbbd3ac20c9649c66bdbdfee6b9a6046e07ef84ff28fc6e7398deac72", kill_on_drop: false }`
[INFO] [stdout] cf44151dbbd3ac20c9649c66bdbdfee6b9a6046e07ef84ff28fc6e7398deac72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 219c6bdbef899c1dc32a6ed73e81a63a70a45fbf100820b2d8b1465c890dca85
[INFO] running `Command { std: "docker" "start" "-a" "219c6bdbef899c1dc32a6ed73e81a63a70a45fbf100820b2d8b1465c890dca85", kill_on_drop: false }`
[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)]` 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] [stderr]    Compiling sqarl-implementation v0.1.0 (/opt/rustwide/workdir)
[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)]` 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)]` 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)]` 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 1.83s
[INFO] running `Command { std: "docker" "inspect" "219c6bdbef899c1dc32a6ed73e81a63a70a45fbf100820b2d8b1465c890dca85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "219c6bdbef899c1dc32a6ed73e81a63a70a45fbf100820b2d8b1465c890dca85", kill_on_drop: false }`
[INFO] [stdout] 219c6bdbef899c1dc32a6ed73e81a63a70a45fbf100820b2d8b1465c890dca85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b7bbad018beeeab24df448ad3f1c0ef440c7e2c21e3ff52cd4756d7a7015cae2
[INFO] running `Command { std: "docker" "start" "-a" "b7bbad018beeeab24df448ad3f1c0ef440c7e2c21e3ff52cd4756d7a7015cae2", 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)]` 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)]` 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 1 suggestion)
[INFO] [stderr] warning: `sqarl-implementation` (lib test) generated 25 warnings (24 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sqarl_implementation-dcfbd54c08380314)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test typechecking::tests::running_total ... ok
[INFO] [stdout] test tests::traverse_array_1 ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] 
[INFO] [stdout] ---- tests::traverse_array_1 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::traverse_array_1' 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:     0x5f166cea35b2 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f166cea35b2 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f166cea35b2 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5f166cea35b2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5f166cec8723 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5f166cec8723 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x5f166cea0603 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5f166cea0603 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5f166cea3402 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5f166cea4b1c - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5f166cea4972 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5f166ce6c7a4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5f166ce6c7a4 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5f166cea54fb - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5f166cea54fb - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5f166cea52ca - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5f166cea3aa9 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x5f166cea4f5d - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5f166cec72a0 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5f166cec7616 - core::result::unwrap_failed::h31c9775ec1a50121
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1761:5
[INFO] [stdout]   20:     0x5f166ce30ee3 - core::result::Result<T,E>::unwrap::h6aed04c852af3e82
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1167:23
[INFO] [stdout]   21:     0x5f166ce30ee3 - sqarl_implementation::tests::traverse_array_1::hf5e2d789de5dad5d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:56:62
[INFO] [stdout]   22:     0x5f166ce2a9b9 - sqarl_implementation::tests::traverse_array_1::{{closure}}::hfc9d0decd92121b8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:33:26
[INFO] [stdout]   23:     0x5f166ce2a9b9 - core::ops::function::FnOnce::call_once::h435f35299f5d98c9
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5f166ce71f2b - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5f166ce71f2b - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x5f166ce7111e - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x5f166ce7111e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5f166ce7111e - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x5f166ce7111e - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x5f166ce7111e - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5f166ce7111e - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x5f166ce7111e - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x5f166ce34c94 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x5f166ce34c94 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x5f166ce3866a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5f166ce3866a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5f166ce3866a - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x5f166ce3866a - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x5f166ce3866a - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5f166ce3866a - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5f166ce3866a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5f166cea8457 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x5f166cea8457 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x5f166cea8457 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x7d452b6efaa4 - <unknown>
[INFO] [stdout]   46:     0x7d452b77ca34 - clone
[INFO] [stdout]   47:                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 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b7bbad018beeeab24df448ad3f1c0ef440c7e2c21e3ff52cd4756d7a7015cae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7bbad018beeeab24df448ad3f1c0ef440c7e2c21e3ff52cd4756d7a7015cae2", kill_on_drop: false }`
[INFO] [stdout] b7bbad018beeeab24df448ad3f1c0ef440c7e2c21e3ff52cd4756d7a7015cae2
