[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 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FviperML%2Flen" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/viperML/len on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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-1-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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 306874ad5bb1fc8eb5b95add55bb8485741538bd0b337dec83213432c357174e
[INFO] running `Command { std: "docker" "start" "-a" "306874ad5bb1fc8eb5b95add55bb8485741538bd0b337dec83213432c357174e", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b58a973c2493ed8ecba45b646ce161bc25b623ac39ed2f0c1209ef7fea349beb
[INFO] running `Command { std: "docker" "start" "-a" "b58a973c2493ed8ecba45b646ce161bc25b623ac39ed2f0c1209ef7fea349beb", kill_on_drop: false }`
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[INFO] [stderr]    Compiling unicode-ident v1.0.12
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[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.87
[INFO] [stderr]    Compiling tracing v0.1.40
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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-web v0.1.0 (/opt/rustwide/workdir/len-web)
[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: 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 19.73s
[INFO] running `Command { std: "docker" "inspect" "b58a973c2493ed8ecba45b646ce161bc25b623ac39ed2f0c1209ef7fea349beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b58a973c2493ed8ecba45b646ce161bc25b623ac39ed2f0c1209ef7fea349beb", kill_on_drop: false }`
[INFO] [stdout] b58a973c2493ed8ecba45b646ce161bc25b623ac39ed2f0c1209ef7fea349beb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dbc91a20972d328d6fecde242fbf94be0a62c4a8dfe1f176a9ac1ae57b05806
[INFO] running `Command { std: "docker" "start" "-a" "2dbc91a20972d328d6fecde242fbf94be0a62c4a8dfe1f176a9ac1ae57b05806", 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-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling futures-io v0.3.28
[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 js-sys v0.3.64
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling relative-path v1.9.0
[INFO] [stderr]    Compiling console v0.15.7
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.37
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling futures-timer v3.0.2
[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 insta v1.34.0
[INFO] [stderr]    Compiling rstest_macros v0.18.2
[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 12.13s
[INFO] running `Command { std: "docker" "inspect" "2dbc91a20972d328d6fecde242fbf94be0a62c4a8dfe1f176a9ac1ae57b05806", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dbc91a20972d328d6fecde242fbf94be0a62c4a8dfe1f176a9ac1ae57b05806", kill_on_drop: false }`
[INFO] [stdout] 2dbc91a20972d328d6fecde242fbf94be0a62c4a8dfe1f176a9ac1ae57b05806
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6788a86028166e447063e703809038dcdee6e3c21d7b3f94c9f3bdea11cdb168
[INFO] running `Command { std: "docker" "start" "-a" "6788a86028166e447063e703809038dcdee6e3c21d7b3f94c9f3bdea11cdb168", 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 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/len-93b64206723844ce)
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test ast::tests::test_expression::input_11____infix_grouping_____TokenKind__LeftParenthesis_TokenKind__Iden ... ok
[INFO] [stdout] test ast::tests::test_expression::input_06____grouping_____TokenKind__LeftParenthesis_TokenKind__Ident___fo ... ok
[INFO] [stdout] test ast::tests::test_ast::input_2____assign_____TokenKind__Ident___a____TokenKind__Bind_TokenKind_ ... ok
[INFO] [stdout] test ast::tests::test_ast::input_1____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_10____infix_____TokenKind__Number_1_into____TokenKind__Symbol______ ... ok
[INFO] [stdout] test lexer::tests::test_lexer::input_02____int_____1233131___ ... ok
[INFO] [stdout] test lexer::tests::test_lexer::input_01____empty________ ... ok
[INFO] [stdout] test ast::tests::test_expression::input_08____grouping_app_____TokenKind__Ident___foo____TokenKind__LeftPar ... ok
[INFO] [stdout] test ast::tests::test_expression::input_02____ident_____TokenKind__Ident___foo_________ ... ok
[INFO] [stdout] test ast::tests::test_expression::input_03____int_____TokenKind__Number_1_into_________ ... 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_01____empty___________ ... 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_04____app_____TokenKind__Ident___foo____TokenKind__Number_1_into___ ... 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_08____ident_____foobarfoo_barfoo_bar_foo_1____ ... ok
[INFO] [stdout] test lexer::tests::test_lexer::input_07____parens___r___12_23______foo____1_1____ ... 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_03____symbols___________ ... ok
[INFO] [stdout] test lexer::tests::test_symbol::input_2______ ... ok
[INFO] [stdout] test lexer::tests::test_lexer::input_10____assign_____ab___ ... ok
[INFO] [stdout] test lexer::tests::test_symbol::input_3____2__ ... ok
[INFO] [stdout] test lexer::tests::test_lexer::input_13____arrow2_____ab___ ... 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_lexer::input_11____assign2_____abc___ ... ok
[INFO] [stdout] test lexer::tests::test_lexer::input_12____arrow_____ab___ ... ok
[INFO] [stdout] test lexer::tests::test_symbol::input_4_______ ... ok
[INFO] [stdout] test lexer::tests::test_symbol::input_1______ ... ok
[INFO] [stdout] test lexer::tests::test_lexer::input_09____reserved______________ ... ok
[INFO] [stdout] test lexer::tests::test_symbol::input_5_______ ... ok
[INFO] [stdout] test lexer::tests::test_symbol::input_7_________ ... ok
[INFO] [stdout] test lexer::tests::test_symbol::input_6____________ ... 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] 2024-02-14T19:45:53.388505Z 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] 2024-02-14T19:45:53.388569Z DEBUG test_lexer_new: len::lexer::tests: r=(0..2, Number(2)) c=SpanContext { source: Unknown }
[INFO] [stdout] 2024-02-14T19:45:53.388593Z DEBUG test_lexer_new: len::lexer::tests: r=(2..6, Number(123)) c=SpanContext { source: Unknown }
[INFO] [stdout] 2024-02-14T19:45:53.388609Z 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:     0x55dce49d2b96 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55dce49d2b96 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55dce49d2b96 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55dce49d2b96 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55dce49fe5d0 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55dce49fe5d0 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55dce49cfbef - std::io::Write::write_fmt::h1299aa7741865f2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x55dce49d2974 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55dce49d2974 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55dce49d46e7 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x55dce49d43cd - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55dce45a9857 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h60265c2dfa87ee34
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x55dce45a9857 - test::test_main::{{closure}}::h77865bd3127078c6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55dce49d4d06 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbc5ccf4eb663e1e5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x55dce49d4d06 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55dce49d4a19 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:649:13
[INFO] [stdout]   16:     0x55dce49d3096 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55dce49d47b0 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55dce44d5f85 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55dce44d6043 - core::panicking::panic::hb837a5ebbbe5b188
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:144:5
[INFO] [stdout]   20:     0x55dce4503ea8 - len::lexer::tests::test_lexer_new::h655e5cd61b88f786
[INFO] [stdout]                                at /opt/rustwide/workdir/len/src/lexer.rs:201:9
[INFO] [stdout]   21:     0x55dce4503237 - len::lexer::tests::test_lexer_new::{{closure}}::h6d0aea21ee0a0a2d
[INFO] [stdout]                                at /opt/rustwide/workdir/len/src/lexer.rs:190:24
[INFO] [stdout]   22:     0x55dce45221a6 - core::ops::function::FnOnce::call_once::hd79052ac9492a83c
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x55dce45af12f - core::ops::function::FnOnce::call_once::h8dc6907944022cf6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55dce45af12f - test::__rust_begin_short_backtrace::haae1a87433f1efb3
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:627:18
[INFO] [stdout]   25:     0x55dce45adeb1 - test::run_test_in_process::{{closure}}::h8c7decfa7c14e152
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:60
[INFO] [stdout]   26:     0x55dce45adeb1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h19e6ff056d9d21e9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x55dce45adeb1 - std::panicking::try::do_call::h89c848fcaa37c035
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   28:     0x55dce45adeb1 - std::panicking::try::h57ab3dc74e2839b8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   29:     0x55dce45adeb1 - std::panic::catch_unwind::hfb6a1b1abc120fb9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   30:     0x55dce45adeb1 - test::run_test_in_process::h5ae2f9875edd562d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:27
[INFO] [stdout]   31:     0x55dce45adeb1 - test::run_test::{{closure}}::h35d7300d8928a067
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:573:43
[INFO] [stdout]   32:     0x55dce45751e6 - test::run_test::{{closure}}::h7525ced405d23d1b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:601:41
[INFO] [stdout]   33:     0x55dce45751e6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4e7db78ce05afad8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   34:     0x55dce457a247 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcfbcb64f1a1b3482
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   35:     0x55dce457a247 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d89c5c4108bd689
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x55dce457a247 - std::panicking::try::do_call::h8a4869bc94ec50c9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   37:     0x55dce457a247 - std::panicking::try::h9a576f20ff81ac30
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   38:     0x55dce457a247 - std::panic::catch_unwind::hbcb4e3f860ef9830
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   39:     0x55dce457a247 - std::thread::Builder::spawn_unchecked_::{{closure}}::h93c79a6be1505948
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   40:     0x55dce457a247 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h426d96740c81bdaf
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55dce49d9a95 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h12de4fc57affb195
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   42:     0x55dce49d9a95 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3c619f45059d5cf1
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x55dce49d9a95 - std::sys::unix::thread::Thread::new::thread_start::hbac657605e4b7389
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   44:     0x7f3ac0f86ac3 - <unknown>
[INFO] [stdout]   45:     0x7f3ac1017bf4 - __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 0.17s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p len --lib`
[INFO] running `Command { std: "docker" "inspect" "6788a86028166e447063e703809038dcdee6e3c21d7b3f94c9f3bdea11cdb168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6788a86028166e447063e703809038dcdee6e3c21d7b3f94c9f3bdea11cdb168", kill_on_drop: false }`
[INFO] [stdout] 6788a86028166e447063e703809038dcdee6e3c21d7b3f94c9f3bdea11cdb168
[INFO] testing viperML/len against beta-2024-02-10 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FviperML%2Flen" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/viperML/len on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "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-1-tc2/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" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b69380ff966475edabe587e0265f2461d00a7c0e9b86cf1b273a3ce6f459ea2b
[INFO] running `Command { std: "docker" "start" "-a" "b69380ff966475edabe587e0265f2461d00a7c0e9b86cf1b273a3ce6f459ea2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b69380ff966475edabe587e0265f2461d00a7c0e9b86cf1b273a3ce6f459ea2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b69380ff966475edabe587e0265f2461d00a7c0e9b86cf1b273a3ce6f459ea2b", kill_on_drop: false }`
[INFO] [stdout] b69380ff966475edabe587e0265f2461d00a7c0e9b86cf1b273a3ce6f459ea2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11acdeecaddbc0577c3f21f781c90a467522fab3a0778074e8cca70f4839b3ef
[INFO] running `Command { std: "docker" "start" "-a" "11acdeecaddbc0577c3f21f781c90a467522fab3a0778074e8cca70f4839b3ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.29
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[INFO] [stderr]    Compiling lazy_static v1.4.0
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[INFO] [stderr]    Compiling smallvec v1.11.1
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[INFO] [stderr]    Compiling tracing-core v0.1.32
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[INFO] [stderr]    Compiling bumpalo v3.14.0
[INFO] [stderr]    Compiling chumsky v1.0.0-alpha.6
[INFO] [stderr]    Compiling num-traits v0.2.17
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[INFO] [stderr]    Compiling tracing-log v0.1.4
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling allocator-api2 v0.2.16
[INFO] [stderr]    Compiling thiserror v1.0.50
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[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.28.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling hashbrown v0.14.2
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling object v0.32.1
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling num-complex v0.4.4
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling num v0.4.1
[INFO] [stderr]    Compiling tracing-test-macro v0.2.4
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.87
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.87
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.87
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.7
[INFO] [stderr]    Compiling tracing-error v0.2.0
[INFO] [stderr]    Compiling tracing-test v0.2.4
[INFO] [stderr]    Compiling color-spantrace v0.2.0
[INFO] [stderr]    Compiling color-eyre v0.6.2
[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 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 15.90s
[INFO] running `Command { std: "docker" "inspect" "11acdeecaddbc0577c3f21f781c90a467522fab3a0778074e8cca70f4839b3ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11acdeecaddbc0577c3f21f781c90a467522fab3a0778074e8cca70f4839b3ef", kill_on_drop: false }`
[INFO] [stdout] 11acdeecaddbc0577c3f21f781c90a467522fab3a0778074e8cca70f4839b3ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba212e45119a163d1d8b406aa8380f47c8ae3a26d2cff83b77e09fe039561484
[INFO] running `Command { std: "docker" "start" "-a" "ba212e45119a163d1d8b406aa8380f47c8ae3a26d2cff83b77e09fe039561484", 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-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling futures-io v0.3.28
[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] [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 relative-path v1.9.0
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling console v0.15.7
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.37
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling futures-timer v3.0.2
[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 insta v1.34.0
[INFO] [stderr]    Compiling rstest_macros v0.18.2
[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] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcvroWhV/symbols.o" "/opt/rustwide/target/debug/deps/len_web-1d8db49f8cdd79fb.len_web.62c7ac9ed1f0d284-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/len_web-1d8db49f8cdd79fb.pasn8hv8ps8z4e0.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/psm-e4c180b06b758624/out" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libconsole_error_panic_hook-97259d671acd0466.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-7b2522a9e679b88d.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-f94d980056e8955a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-dfc6ee63d8caa20c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-113d7bdd8cf56a35.rlib" "/opt/rustwide/target/debug/deps/libwasm_bindgen-87b813a730c6e23c.rlib" "/opt/rustwide/target/debug/deps/liblen-f1abccbad9c35a5f.rlib" "/opt/rustwide/target/debug/deps/libnum-0a86c9a65a2402b5.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-0aeafabdfa1b6f05.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-39bd9636676700ca.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-4a2963346f69c430.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-81c9a8d993db2114.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-35c7c896783a7373.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-e45dc823cfccaa55.rlib" "/opt/rustwide/target/debug/deps/libthiserror-b6baf3bdc7187c2b.rlib" "/opt/rustwide/target/debug/deps/libtracing_test-75864ce602c129da.rlib" "/opt/rustwide/target/debug/deps/libtracing_subscriber-6b2472bb20735202.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-df813a784713ad8a.rlib" "/opt/rustwide/target/debug/deps/libnu_ansi_term-573528bd560ec1a5.rlib" "/opt/rustwide/target/debug/deps/liboverload-983ca80356c666b7.rlib" "/opt/rustwide/target/debug/deps/libsharded_slab-4aac6980d7a458df.rlib" "/opt/rustwide/target/debug/deps/libmatchers-0f5379b8184c4eda.rlib" "/opt/rustwide/target/debug/deps/libregex_automata-d0c3ae8cf67481e6.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-b113d34fa562c5bb.rlib" "/opt/rustwide/target/debug/deps/libregex-da00fedb37ff86ba.rlib" "/opt/rustwide/target/debug/deps/libregex_automata-cb4955169b84d245.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-955750f7d848def6.rlib" "/opt/rustwide/target/debug/deps/libthread_local-8c2816eef0cc0cfa.rlib" "/opt/rustwide/target/debug/deps/libtracing_log-d8a5b1ae68014c3f.rlib" "/opt/rustwide/target/debug/deps/liblog-2cf4a51dfa4e790a.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-efa3519517df6cf0.rlib" "/opt/rustwide/target/debug/deps/libtracing-a1e7c767204d44fa.rlib" "/opt/rustwide/target/debug/deps/libpin_project_lite-085b19c93bbb2231.rlib" "/opt/rustwide/target/debug/deps/libtracing_core-ee5cb854b84e475f.rlib" "/opt/rustwide/target/debug/deps/libchumsky-907bd4965371cb51.rlib" "/opt/rustwide/target/debug/deps/libunicode_ident-5215284c2c535675.rlib" "/opt/rustwide/target/debug/deps/libhashbrown-adf8f849dbf16ea4.rlib" "/opt/rustwide/target/debug/deps/libahash-f2c793853932d748.rlib" "/opt/rustwide/target/debug/deps/libonce_cell-fadaa1d866399a17.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-e7002d307f97bc56.rlib" "/opt/rustwide/target/debug/deps/libzerocopy-19b29b45af3260ea.rlib" "/opt/rustwide/target/debug/deps/liballocator_api2-6542dde21324188f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-c3d3f3356130ff3b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-95df42f89c1d4925.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0d2835f8aa540844.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-370839a40e011065.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-9649e5e19a7f7d26.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-947cba7c5cf68c1c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-ced012bebfb4965d.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-ca1b3bc71d252cc2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-fc6e78e39549a6fa.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-339fe9c79c84af4f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-1568bb4b0be20e00.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-fe9837fa83c5d69d.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-4c6008bb65e308f5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-c9bf4c045d493bdb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-e47cddc003bce885.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-ddda47710dcba33d.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-e46bc3da6d7c462f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8d1ac131d3cb2645.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-b4e1725cffd81412.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/len_web-1d8db49f8cdd79fb" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: final link failed: No space left on device
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `len-web` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ba212e45119a163d1d8b406aa8380f47c8ae3a26d2cff83b77e09fe039561484", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba212e45119a163d1d8b406aa8380f47c8ae3a26d2cff83b77e09fe039561484", kill_on_drop: false }`
[INFO] [stdout] ba212e45119a163d1d8b406aa8380f47c8ae3a26d2cff83b77e09fe039561484
