[INFO] cloning repository https://github.com/viperML/len
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/viperML/len" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FviperML%2Flen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FviperML%2Flen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9f21c144f7aca23424aee3d9c6150371a796156
[INFO] testing viperML/len against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FviperML%2Flen" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/viperML/len on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/viperML/len
[INFO] finished tweaking git repo https://github.com/viperML/len
[INFO] tweaked toml for git repo https://github.com/viperML/len written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/viperML/len 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 79bea7530c0df6f6552848bb016af0197a876adfcfdf7f130cd91d0153f74fb9
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[INFO] [stderr]    Compiling len v0.1.0 (/opt/rustwide/workdir/len)
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> len/src/ast.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::lexer::{Token, TokenKind};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `postfix`, `prefix`
[INFO] [stdout]  --> len/src/ast.rs:4:35
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chumsky::pratt::{infix, left, postfix, prefix};
[INFO] [stdout]   |                                   ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Cow`
[INFO] [stdout]  --> len/src/ast.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::borrow::Cow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Not`
[INFO] [stdout]  --> len/src/ast.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::ops::Not;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing::span::Id`
[INFO] [stdout]   --> len/src/ast.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tracing::span::Id;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]   --> len/src/ast.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tracing::{debug, trace};
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing_test::traced_test`
[INFO] [stdout]   --> len/src/ast.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tracing_test::traced_test;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chumsky::primitive::todo`
[INFO] [stdout]  --> len/src/eval.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use chumsky::primitive::todo;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `warn`
[INFO] [stdout]  --> len/src/eval.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tracing::{debug, error, info, warn};
[INFO] [stdout]   |               ^^^^^               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DerefMut`
[INFO] [stdout]  --> len/src/eval.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::ops::{Deref, DerefMut};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error::Error`, `fmt::Display`
[INFO] [stdout]  --> len/src/eval.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{collections::HashMap, error::Error, fmt::Display, rc::Rc};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chumsky::input::SpannedInput`
[INFO] [stdout]  --> len/src/lexer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use chumsky::input::SpannedInput;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Object`, `Token`
[INFO] [stdout]  --> len/src/complete.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |     eval::{Object, Scope},
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 4 |     lexer::{lexer, Token},
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Write`, `self`
[INFO] [stdout]  --> len/src/complete.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::{self, Write};
[INFO] [stdout]   |               ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]  --> len/src/complete.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tracing::{debug, info};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> len/src/eval.rs:218:28
[INFO] [stdout]     |
[INFO] [stdout] 217 |                     expected: todo!(),
[INFO] [stdout]     |                               ------- any code following this expression is unreachable
[INFO] [stdout] 218 |                     found: todo!(),
[INFO] [stdout]     |                            ^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `todo` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `source` is never read
[INFO] [stdout]   --> len/src/lexer.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct SpanContext {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 52 |     source: SpanSource,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SpanContext` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Product`, `Sum`, and `Primitive` are never constructed
[INFO] [stdout]  --> len/src/ty.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Ty {
[INFO] [stdout]   |      -- variants in this enum
[INFO] [stdout] 5 |     Product(HashMap<String, Option<Self>>),
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 6 |     Sum(HashMap<String, Option<Self>>),
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 7 |     Primitive(Primitive),
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Ty` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `String` and `Int` are never constructed
[INFO] [stdout]   --> len/src/ty.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Primitive {
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] 12 |     String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 13 |     Int,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Primitive` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling len-cli v0.1.0 (/opt/rustwide/workdir/len-cli)
[INFO] [stderr]    Compiling len-web v0.1.0 (/opt/rustwide/workdir/len-web)
[INFO] [stdout] warning: unused imports: `Token`, `ast`, `chumsky`, `eval::RawScope`, `lexer`
[INFO] [stdout]  --> len-cli/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     ast, chumsky,
[INFO] [stdout]   |     ^^^  ^^^^^^^
[INFO] [stdout] 4 |     eval::RawScope,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 5 |     lexer::{lexer, Token},
[INFO] [stdout]   |             ^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_panic_hook` is never used
[INFO] [stdout]  --> len-web/src/utils.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn set_panic_hook() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.97s
[INFO] running `Command { std: "docker" "inspect" "79bea7530c0df6f6552848bb016af0197a876adfcfdf7f130cd91d0153f74fb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79bea7530c0df6f6552848bb016af0197a876adfcfdf7f130cd91d0153f74fb9", kill_on_drop: false }`
[INFO] [stdout] 79bea7530c0df6f6552848bb016af0197a876adfcfdf7f130cd91d0153f74fb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 409b7205f93ee13b717596155c31108a6a9218f97ebb4ece0dc928f47d8498ea
[INFO] running `Command { std: "docker" "start" "-a" "409b7205f93ee13b717596155c31108a6a9218f97ebb4ece0dc928f47d8498ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling js-sys v0.3.64
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> len/src/ast.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::lexer::{Token, TokenKind};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `postfix`, `prefix`
[INFO] [stdout]  --> len/src/ast.rs:4:35
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chumsky::pratt::{infix, left, postfix, prefix};
[INFO] [stdout]   |                                   ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Cow`
[INFO] [stdout]  --> len/src/ast.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::borrow::Cow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Not`
[INFO] [stdout]  --> len/src/ast.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::ops::Not;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing::span::Id`
[INFO] [stdout]   --> len/src/ast.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tracing::span::Id;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]   --> len/src/ast.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tracing::{debug, trace};
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing_test::traced_test`
[INFO] [stdout]   --> len/src/ast.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tracing_test::traced_test;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chumsky::primitive::todo`
[INFO] [stdout]  --> len/src/eval.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use chumsky::primitive::todo;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `warn`
[INFO] [stdout]  --> len/src/eval.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tracing::{debug, error, info, warn};
[INFO] [stdout]   |               ^^^^^               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DerefMut`
[INFO] [stdout]  --> len/src/eval.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::ops::{Deref, DerefMut};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error::Error`, `fmt::Display`
[INFO] [stdout]  --> len/src/eval.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{collections::HashMap, error::Error, fmt::Display, rc::Rc};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chumsky::input::SpannedInput`
[INFO] [stdout]  --> len/src/lexer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use chumsky::input::SpannedInput;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Object`, `Token`
[INFO] [stdout]  --> len/src/complete.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |     eval::{Object, Scope},
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 4 |     lexer::{lexer, Token},
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Write`, `self`
[INFO] [stdout]  --> len/src/complete.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::{self, Write};
[INFO] [stdout]   |               ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]  --> len/src/complete.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tracing::{debug, info};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> len/src/eval.rs:218:28
[INFO] [stdout]     |
[INFO] [stdout] 217 |                     expected: todo!(),
[INFO] [stdout]     |                               ------- any code following this expression is unreachable
[INFO] [stdout] 218 |                     found: todo!(),
[INFO] [stdout]     |                            ^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `todo` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stdout] warning: field `source` is never read
[INFO] [stdout]   --> len/src/lexer.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct SpanContext {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 52 |     source: SpanSource,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SpanContext` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stdout] warning: variants `Product`, `Sum`, and `Primitive` are never constructed
[INFO] [stdout]  --> len/src/ty.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Ty {
[INFO] [stdout]   |      -- variants in this enum
[INFO] [stdout] 5 |     Product(HashMap<String, Option<Self>>),
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 6 |     Sum(HashMap<String, Option<Self>>),
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 7 |     Primitive(Primitive),
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Ty` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `String` and `Int` are never constructed
[INFO] [stdout]   --> len/src/ty.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Primitive {
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] 12 |     String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 13 |     Int,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Primitive` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling relative-path v1.9.0
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.37
[INFO] [stderr]    Compiling console v0.15.7
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling similar v2.3.0
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stdout] warning: function `set_panic_hook` is never used
[INFO] [stdout]  --> len-web/src/utils.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn set_panic_hook() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling object v0.32.1
[INFO] [stderr]    Compiling rstest_macros v0.18.2
[INFO] [stderr]    Compiling insta v1.34.0
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.37
[INFO] [stderr]    Compiling wasm-bindgen-test v0.3.37
[INFO] [stderr]    Compiling len-web v0.1.0 (/opt/rustwide/workdir/len-web)
[INFO] [stdout] warning: function `set_panic_hook` is never used
[INFO] [stdout]  --> len-web/src/utils.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn set_panic_hook() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling futures-executor v0.3.28
[INFO] [stderr]    Compiling futures v0.3.28
[INFO] [stderr]    Compiling color-eyre v0.6.2
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling len-cli v0.1.0 (/opt/rustwide/workdir/len-cli)
[INFO] [stdout] warning: unused imports: `Token`, `ast`, `chumsky`, `eval::RawScope`, `lexer`
[INFO] [stdout]  --> len-cli/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     ast, chumsky,
[INFO] [stdout]   |     ^^^  ^^^^^^^
[INFO] [stdout] 4 |     eval::RawScope,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 5 |     lexer::{lexer, Token},
[INFO] [stdout]   |             ^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rstest v0.18.2
[INFO] [stderr]    Compiling len v0.1.0 (/opt/rustwide/workdir/len)
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> len/src/ast.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::lexer::{Token, TokenKind};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `postfix`, `prefix`
[INFO] [stdout]  --> len/src/ast.rs:4:35
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chumsky::pratt::{infix, left, postfix, prefix};
[INFO] [stdout]   |                                   ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Cow`
[INFO] [stdout]  --> len/src/ast.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::borrow::Cow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Not`
[INFO] [stdout]  --> len/src/ast.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::ops::Not;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing::span::Id`
[INFO] [stdout]   --> len/src/ast.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tracing::span::Id;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]   --> len/src/ast.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tracing::{debug, trace};
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing_test::traced_test`
[INFO] [stdout]   --> len/src/ast.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tracing_test::traced_test;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chumsky::primitive::todo`
[INFO] [stdout]  --> len/src/eval.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use chumsky::primitive::todo;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `warn`
[INFO] [stdout]  --> len/src/eval.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tracing::{debug, error, info, warn};
[INFO] [stdout]   |               ^^^^^               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DerefMut`
[INFO] [stdout]  --> len/src/eval.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::ops::{Deref, DerefMut};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error::Error`, `fmt::Display`
[INFO] [stdout]  --> len/src/eval.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{collections::HashMap, error::Error, fmt::Display, rc::Rc};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FunctionCall`, `Identifier`
[INFO] [stdout]    --> len/src/eval.rs:274:22
[INFO] [stdout]     |
[INFO] [stdout] 274 |     use crate::ast::{FunctionCall, Identifier};
[INFO] [stdout]     |                      ^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> len/src/eval.rs:276:9
[INFO] [stdout]     |
[INFO] [stdout] 276 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing::debug`
[INFO] [stdout]    --> len/src/eval.rs:277:9
[INFO] [stdout]     |
[INFO] [stdout] 277 |     use tracing::debug;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chumsky::input::SpannedInput`
[INFO] [stdout]  --> len/src/lexer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use chumsky::input::SpannedInput;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing_test::traced_test`
[INFO] [stdout]   --> len/src/ty.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     use tracing_test::traced_test;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Object`, `Token`
[INFO] [stdout]  --> len/src/complete.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |     eval::{Object, Scope},
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 4 |     lexer::{lexer, Token},
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Write`, `self`
[INFO] [stdout]  --> len/src/complete.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::{self, Write};
[INFO] [stdout]   |               ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]  --> len/src/complete.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tracing::{debug, info};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> len/src/eval.rs:218:28
[INFO] [stdout]     |
[INFO] [stdout] 217 |                     expected: todo!(),
[INFO] [stdout]     |                               ------- any code following this expression is unreachable
[INFO] [stdout] 218 |                     found: todo!(),
[INFO] [stdout]     |                            ^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `todo` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `maybe_s`
[INFO] [stdout]   --> len/src/ty.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let maybe_s = Ty::Sum(From::from([
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_maybe_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `source` is never read
[INFO] [stdout]   --> len/src/lexer.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct SpanContext {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 52 |     source: SpanSource,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SpanContext` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Product`, `Sum`, and `Primitive` are never constructed
[INFO] [stdout]  --> len/src/ty.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Ty {
[INFO] [stdout]   |      -- variants in this enum
[INFO] [stdout] 5 |     Product(HashMap<String, Option<Self>>),
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 6 |     Sum(HashMap<String, Option<Self>>),
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 7 |     Primitive(Primitive),
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Ty` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `String` and `Int` are never constructed
[INFO] [stdout]   --> len/src/ty.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Primitive {
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] 12 |     String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 13 |     Int,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Primitive` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_ty` is never used
[INFO] [stdout]   --> len/src/ty.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn test_ty() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.75s
[INFO] running `Command { std: "docker" "inspect" "409b7205f93ee13b717596155c31108a6a9218f97ebb4ece0dc928f47d8498ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "409b7205f93ee13b717596155c31108a6a9218f97ebb4ece0dc928f47d8498ea", kill_on_drop: false }`
[INFO] [stdout] 409b7205f93ee13b717596155c31108a6a9218f97ebb4ece0dc928f47d8498ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 71751827cf5a279a9bd95da6da463802dbe7eea58d6f05d2c45c9cfb8383d326
[INFO] running `Command { std: "docker" "start" "-a" "71751827cf5a279a9bd95da6da463802dbe7eea58d6f05d2c45c9cfb8383d326", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Token`
[INFO] [stderr]  --> len/src/ast.rs:1:20
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::lexer::{Token, TokenKind};
[INFO] [stderr]   |                    ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `postfix`, `prefix`
[INFO] [stderr]  --> len/src/ast.rs:4:35
[INFO] [stderr]   |
[INFO] [stderr] 4 | use chumsky::pratt::{infix, left, postfix, prefix};
[INFO] [stderr]   |                                   ^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::Cow`
[INFO] [stderr]  --> len/src/ast.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::borrow::Cow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Not`
[INFO] [stderr]  --> len/src/ast.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::ops::Not;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tracing::span::Id`
[INFO] [stderr]   --> len/src/ast.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use tracing::span::Id;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `debug`
[INFO] [stderr]   --> len/src/ast.rs:11:15
[INFO] [stderr]    |
[INFO] [stderr] 11 | use tracing::{debug, trace};
[INFO] [stderr]    |               ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tracing_test::traced_test`
[INFO] [stderr]   --> len/src/ast.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use tracing_test::traced_test;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chumsky::primitive::todo`
[INFO] [stderr]  --> len/src/eval.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use chumsky::primitive::todo;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `debug`, `warn`
[INFO] [stderr]  --> len/src/eval.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use tracing::{debug, error, info, warn};
[INFO] [stderr]   |               ^^^^^               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DerefMut`
[INFO] [stderr]  --> len/src/eval.rs:8:23
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::ops::{Deref, DerefMut};
[INFO] [stderr]   |                       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `error::Error`, `fmt::Display`
[INFO] [stderr]  --> len/src/eval.rs:9:33
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::{collections::HashMap, error::Error, fmt::Display, rc::Rc};
[INFO] [stderr]   |                                 ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chumsky::input::SpannedInput`
[INFO] [stderr]  --> len/src/lexer.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use chumsky::input::SpannedInput;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Object`, `Token`
[INFO] [stderr]  --> len/src/complete.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 |     eval::{Object, Scope},
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 4 |     lexer::{lexer, Token},
[INFO] [stderr]   |                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Write`, `self`
[INFO] [stderr]  --> len/src/complete.rs:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::{self, Write};
[INFO] [stderr]   |               ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `info`
[INFO] [stderr]  --> len/src/complete.rs:8:22
[INFO] [stderr]   |
[INFO] [stderr] 8 | use tracing::{debug, info};
[INFO] [stderr]   |                      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> len/src/eval.rs:218:28
[INFO] [stderr]     |
[INFO] [stderr] 217 |                     expected: todo!(),
[INFO] [stderr]     |                               ------- any code following this expression is unreachable
[INFO] [stderr] 218 |                     found: todo!(),
[INFO] [stderr]     |                            ^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `todo` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field `source` is never read
[INFO] [stderr]   --> len/src/lexer.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub struct SpanContext {
[INFO] [stderr]    |            ----------- field in this struct
[INFO] [stderr] 52 |     source: SpanSource,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `SpanContext` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Product`, `Sum`, and `Primitive` are never constructed
[INFO] [stderr]  --> len/src/ty.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | enum Ty {
[INFO] [stderr]   |      -- variants in this enum
[INFO] [stderr] 5 |     Product(HashMap<String, Option<Self>>),
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 6 |     Sum(HashMap<String, Option<Self>>),
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 7 |     Primitive(Primitive),
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Ty` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variants `String` and `Int` are never constructed
[INFO] [stderr]   --> len/src/ty.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | enum Primitive {
[INFO] [stderr]    |      --------- variants in this enum
[INFO] [stderr] 12 |     String,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 13 |     Int,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Primitive` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `len` (lib) generated 19 warnings (run `cargo fix --lib -p len` to apply 15 suggestions)
[INFO] [stderr] warning: function `set_panic_hook` is never used
[INFO] [stderr]  --> len-web/src/utils.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn set_panic_hook() {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `len-web` (lib) generated 1 warning
[INFO] [stderr] warning: unused imports: `FunctionCall`, `Identifier`
[INFO] [stderr]    --> len/src/eval.rs:274:22
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use crate::ast::{FunctionCall, Identifier};
[INFO] [stderr]     |                      ^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> len/src/eval.rs:276:9
[INFO] [stderr]     |
[INFO] [stderr] 276 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tracing::debug`
[INFO] [stderr]    --> len/src/eval.rs:277:9
[INFO] [stderr]     |
[INFO] [stderr] 277 |     use tracing::debug;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tracing_test::traced_test`
[INFO] [stderr]   --> len/src/ty.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     use tracing_test::traced_test;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `maybe_s`
[INFO] [stderr]   --> len/src/ty.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let maybe_s = Ty::Sum(From::from([
[INFO] [stderr]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_maybe_s`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_ty` is never used
[INFO] [stderr]   --> len/src/ty.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn test_ty() {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Token`, `ast`, `chumsky`, `eval::RawScope`, `lexer`
[INFO] [stderr]  --> len-cli/src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     ast, chumsky,
[INFO] [stderr]   |     ^^^  ^^^^^^^
[INFO] [stderr] 4 |     eval::RawScope,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 5 |     lexer::{lexer, Token},
[INFO] [stderr]   |             ^^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `len-web` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `len` (lib test) generated 25 warnings (19 duplicates) (run `cargo fix --lib -p len --tests` to apply 5 suggestions)
[INFO] [stderr] warning: `len-cli` (bin "garden" test) generated 1 warning (run `cargo fix --bin "garden" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/len-af502a8dedd82f6d)
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test ast::tests::test_expression::input_04____app_____TokenKind__Ident___foo____TokenKind__Number_1_into___ ... ok
[INFO] [stdout] test ast::tests::test_ast::input_1____empty___________ ... ok
[INFO] [stdout] test ast::tests::test_expression::input_02____ident_____TokenKind__Ident___foo_________ ... ok
[INFO] [stdout] test ast::tests::test_expression::input_10____infix_____TokenKind__Number_1_into____TokenKind__Symbol______ ... ok
[INFO] [stdout] test ast::tests::test_expression::input_01____empty___________ ... ok
[INFO] [stdout] test ast::tests::test_ast::input_2____assign_____TokenKind__Ident___a____TokenKind__Bind_TokenKind_ ... ok
[INFO] [stdout] test ast::tests::test_expression::input_06____grouping_____TokenKind__LeftParenthesis_TokenKind__Ident___fo ... ok
[INFO] [stdout] test ast::tests::test_expression::input_03____int_____TokenKind__Number_1_into_________ ... ok
[INFO] [stdout] test ast::tests::test_expression::input_09____grouping_app_alt_____TokenKind__LeftParenthesis_TokenKind__Id ... ok
[INFO] [stdout] test lexer::tests::test_lexer::input_01____empty________ ... ok
[INFO] [stdout] test ast::tests::test_expression::input_07____bad_grouping_____TokenKind__LeftParenthesis_TokenKind__Ident_ ... ok
[INFO] [stdout] test ast::tests::test_expression::input_05____app_multiple_____TokenKind__Ident___foo____TokenKind__Ident__ ... ok
[INFO] [stdout] test ast::tests::test_expression::input_13____struct_simple_____TokenKind__LeftCurly_TokenKind__Ident___a__ ... ok
[INFO] [stdout] test ast::tests::test_expression::input_12____infix_assoc_____TokenKind__Ident___a____TokenKind__Symbol____ ... ok
[INFO] [stdout] test ast::tests::test_expression::input_11____infix_grouping_____TokenKind__LeftParenthesis_TokenKind__Iden ... ok
[INFO] [stdout] test ast::tests::test_expression::input_08____grouping_app_____TokenKind__Ident___foo____TokenKind__LeftPar ... ok
[INFO] [stdout] test lexer::tests::test_lexer::input_02____int_____1233131___ ... ok
[INFO] [stdout] test lexer::tests::test_lexer::input_07____parens___r___12_23______foo____1_1____ ... ok
[INFO] [stdout] test lexer::tests::test_lexer::input_06____bads___r____foo___ ... ok
[INFO] [stdout] test lexer::tests::test_lexer::input_05____string___r____foo____bar_____ ... ok
[INFO] [stdout] test lexer::tests::test_lexer::input_10____assign_____ab___ ... ok
[INFO] [stdout] test lexer::tests::test_lexer::input_12____arrow_____ab___ ... ok
[INFO] [stdout] test lexer::tests::test_lexer::input_13____arrow2_____ab___ ... ok
[INFO] [stdout] test lexer::tests::test_lexer::input_03____symbols___________ ... ok
[INFO] [stdout] test lexer::tests::test_lexer::input_04____symbols_split___r___3_1__3__3__s______ ... ok
[INFO] [stdout] test lexer::tests::test_symbol::input_3____2__ ... ok
[INFO] [stdout] test lexer::tests::test_lexer::input_11____assign2_____abc___ ... ok
[INFO] [stdout] test lexer::tests::test_lexer::input_08____ident_____foobarfoo_barfoo_bar_foo_1____ ... ok
[INFO] [stdout] test lexer::tests::test_symbol::input_2______ ... ok
[INFO] [stdout] test lexer::tests::test_lexer::input_09____reserved______________ ... ok
[INFO] [stdout] test lexer::tests::test_symbol::input_1______ ... ok
[INFO] [stdout] test lexer::tests::test_symbol::input_5_______ ... ok
[INFO] [stdout] test lexer::tests::test_symbol::input_4_______ ... ok
[INFO] [stdout] test lexer::tests::test_symbol::input_6____________ ... ok
[INFO] [stdout] test lexer::tests::test_symbol::input_7_________ ... ok
[INFO] [stdout] test lexer::tests::test_lexer_new ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- lexer::tests::test_lexer_new stdout ----
[INFO] [stdout] 2024-01-06T16:47:45.299414Z DEBUG test_lexer_new: len::lexer::tests: res=ParseResult { output: Some([(0..2, Number(2)), (2..6, Number(123)), (6..8, Number(12))]), errs: [] }
[INFO] [stdout] 2024-01-06T16:47:45.299476Z DEBUG test_lexer_new: len::lexer::tests: r=(0..2, Number(2)) c=SpanContext { source: Unknown }
[INFO] [stdout] 2024-01-06T16:47:45.299492Z DEBUG test_lexer_new: len::lexer::tests: r=(2..6, Number(123)) c=SpanContext { source: Unknown }
[INFO] [stdout] 2024-01-06T16:47:45.299504Z DEBUG test_lexer_new: len::lexer::tests: r=(6..8, Number(12)) c=SpanContext { source: Unknown }
[INFO] [stdout] thread 'lexer::tests::test_lexer_new' panicked at len/src/lexer.rs:201:9:
[INFO] [stdout] not yet implemented
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x555c56a7c94c - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x555c56a7c94c - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x555c56a7c94c - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x555c56a7c94c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x555c56aa90b0 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x555c56aa90b0 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x555c56a797ff - std::io::Write::write_fmt::h040b369f3a0f9cbc
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x555c56a7c734 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x555c56a7c734 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x555c56a7e3f7 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x555c56a7e0e3 - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x555c56655ce7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0ad024c9bdc6d768
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   12:     0x555c56655ce7 - test::test_main::{{closure}}::h7500b54257359db6
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x555c56a7ea08 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1f8f335eaa9cfaee
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   14:     0x555c56a7ea08 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x555c56a7e729 - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:649:13
[INFO] [stdout]   16:     0x555c56a7ce16 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   17:     0x555c56a7e4c2 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x555c56583f95 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x555c56584033 - core::panicking::panic::h195fc2a96298d4c3
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:127:5
[INFO] [stdout]   20:     0x555c565ee5b0 - len::lexer::tests::test_lexer_new::h35d27f33bbe0f85f
[INFO] [stdout]                                at /opt/rustwide/workdir/len/src/lexer.rs:201:9
[INFO] [stdout]   21:     0x555c565ed947 - len::lexer::tests::test_lexer_new::{{closure}}::h502f833927ccd9bc
[INFO] [stdout]                                at /opt/rustwide/workdir/len/src/lexer.rs:190:24
[INFO] [stdout]   22:     0x555c565fd966 - core::ops::function::FnOnce::call_once::h73ca5d414ad90b0e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x555c5665b33f - core::ops::function::FnOnce::call_once::h2b5d431d5046312d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x555c5665b33f - test::__rust_begin_short_backtrace::h7714669af176e207
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:628:18
[INFO] [stdout]   25:     0x555c5665a355 - test::run_test_in_process::{{closure}}::h85218797dcbcec12
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:60
[INFO] [stdout]   26:     0x555c5665a355 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h76c106ea31c14d7b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x555c5665a355 - std::panicking::try::do_call::h3bd5d0f6620ee946
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   28:     0x555c5665a355 - std::panicking::try::h232e535e4744fe31
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   29:     0x555c5665a355 - std::panic::catch_unwind::h3ce3bd6ca8dbac68
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   30:     0x555c5665a355 - test::run_test_in_process::hc97b257c9621286a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:27
[INFO] [stdout]   31:     0x555c5665a355 - test::run_test::{{closure}}::h2aa798823a438d38
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:574:43
[INFO] [stdout]   32:     0x555c56622616 - test::run_test::{{closure}}::h87d231c78fb59832
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:602:41
[INFO] [stdout]   33:     0x555c56622616 - std::sys_common::backtrace::__rust_begin_short_backtrace::he6df152596625789
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:154:18
[INFO] [stdout]   34:     0x555c566276c7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha94be15d1e0acf36
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   35:     0x555c566276c7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9dc6bd6372f16606
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x555c566276c7 - std::panicking::try::do_call::h9057517f80303cd4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   37:     0x555c566276c7 - std::panicking::try::he3a30b11ee45340c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   38:     0x555c566276c7 - std::panic::catch_unwind::h410458cfd3528b8b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   39:     0x555c566276c7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h72ac3bdb567b737b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   40:     0x555c566276c7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h38f34da3654a8344
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x555c56a83785 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7eafaff61e32df9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   42:     0x555c56a83785 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ba4a5de48dd2304
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   43:     0x555c56a83785 - std::sys::unix::thread::Thread::new::thread_start::he469335aef763e45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   44:     0x7fe4f1bd0ac3 - <unknown>
[INFO] [stdout]   45:     0x7fe4f1c61bf4 - __clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     lexer::tests::test_lexer_new
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 35 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p len --lib`
[INFO] running `Command { std: "docker" "inspect" "71751827cf5a279a9bd95da6da463802dbe7eea58d6f05d2c45c9cfb8383d326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71751827cf5a279a9bd95da6da463802dbe7eea58d6f05d2c45c9cfb8383d326", kill_on_drop: false }`
[INFO] [stdout] 71751827cf5a279a9bd95da6da463802dbe7eea58d6f05d2c45c9cfb8383d326
