[INFO] cloning repository https://github.com/jgkaplan/configurator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jgkaplan/configurator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgkaplan%2Fconfigurator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgkaplan%2Fconfigurator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 011fa700f7484ed3cb8675311d35a93c3e62231b
[INFO] checking jgkaplan/configurator against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgkaplan%2Fconfigurator" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jgkaplan/configurator
[INFO] finished tweaking git repo https://github.com/jgkaplan/configurator
[INFO] tweaked toml for git repo https://github.com/jgkaplan/configurator written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jgkaplan/configurator on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jgkaplan/configurator 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded phf_macros v0.11.1
[INFO] [stderr]   Downloaded ucd-trie v0.1.5
[INFO] [stderr]   Downloaded pest_generator v2.5.6
[INFO] [stderr]   Downloaded pest_meta v2.5.6
[INFO] [stderr]   Downloaded clap_mangen v0.2.10
[INFO] [stderr]   Downloaded palette_derive v0.6.1
[INFO] [stderr]   Downloaded pest_derive v2.5.6
[INFO] [stderr]   Downloaded os_str_bytes v6.5.0
[INFO] [stderr]   Downloaded is-terminal v0.4.5
[INFO] [stderr]   Downloaded clap_lex v0.3.3
[INFO] [stderr]   Downloaded bitflags v2.0.2
[INFO] [stderr]   Downloaded clap_derive v4.1.9
[INFO] [stderr]   Downloaded clap_complete v4.1.5
[INFO] [stderr]   Downloaded palette v0.6.1
[INFO] [stderr]   Downloaded pest v2.5.6
[INFO] [stderr]   Downloaded clap v4.1.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7ea79c90f9a09ceb5f689ec6ac3ead1ca9d28bbe7f70933e42fedff720b4bb0
[INFO] running `Command { std: "docker" "start" "-a" "d7ea79c90f9a09ceb5f689ec6ac3ead1ca9d28bbe7f70933e42fedff720b4bb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7ea79c90f9a09ceb5f689ec6ac3ead1ca9d28bbe7f70933e42fedff720b4bb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7ea79c90f9a09ceb5f689ec6ac3ead1ca9d28bbe7f70933e42fedff720b4bb0", kill_on_drop: false }`
[INFO] [stdout] d7ea79c90f9a09ceb5f689ec6ac3ead1ca9d28bbe7f70933e42fedff720b4bb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49a40f04245e435f24a64bd8353ee5b21a3cc59658d8f6351928e52f4eb5442b
[INFO] running `Command { std: "docker" "start" "-a" "49a40f04245e435f24a64bd8353ee5b21a3cc59658d8f6351928e52f4eb5442b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.53
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling rustix v0.36.11
[INFO] [stderr]    Compiling linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling os_str_bytes v6.5.0
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling clap_lex v0.3.3
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling bitflags v2.0.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling phf_generator v0.11.1
[INFO] [stderr]    Compiling roff v0.2.1
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling palette v0.6.1
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking is-terminal v0.4.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling pest v2.5.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling find-crate v0.6.3
[INFO] [stderr]    Compiling clap_derive v4.1.9
[INFO] [stderr]    Compiling phf_macros v0.11.1
[INFO] [stderr]    Compiling palette_derive v0.6.1
[INFO] [stderr]    Compiling pest_meta v2.5.6
[INFO] [stderr]     Checking phf v0.11.1
[INFO] [stderr]    Compiling pest_generator v2.5.6
[INFO] [stderr]    Compiling clap v4.1.11
[INFO] [stderr]    Compiling pest_derive v2.5.6
[INFO] [stderr]     Checking clap_complete v4.1.5
[INFO] [stderr]    Compiling clap_mangen v0.2.10
[INFO] [stderr]    Compiling rust_attempt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/builtins.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Ident` and `Type`
[INFO] [stdout]  --> src/builtins.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::ast::{Ident, Type};
[INFO] [stdout]   |                  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TypedExpr`
[INFO] [stdout]  --> src/interpreter.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ast::{TypedExpr, Expr, Ident, Value, ExprKind, Bop};
[INFO] [stdout]   |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/builtins.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Ident` and `Type`
[INFO] [stdout]  --> src/builtins.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::ast::{Ident, Type};
[INFO] [stdout]   |                  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TypedExpr`
[INFO] [stdout]  --> src/interpreter.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ast::{TypedExpr, Expr, Ident, Value, ExprKind, Bop};
[INFO] [stdout]   |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast.rs:48:11
[INFO] [stdout]    |
[INFO] [stdout] 48 |     Ident(Ident)
[INFO] [stdout]    |     ----- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Type` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 48 -     Ident(Ident)
[INFO] [stdout] 48 +     Ident(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `JoinSemiLattice` is never used
[INFO] [stdout]   --> src/ast.rs:51:11
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub trait JoinSemiLattice : PartialOrd {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `t` is never read
[INFO] [stdout]    --> src/ast.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 204 | pub struct Expr {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 205 |     pub t: Option<Type>,
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TypedExpr` is never constructed
[INFO] [stdout]    --> src/ast.rs:210:12
[INFO] [stdout]     |
[INFO] [stdout] 210 | pub struct TypedExpr {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> src/ast.rs:218:16
[INFO] [stdout]     |
[INFO] [stdout] 218 |     Let(Ident, Option<Type>, Box<Wrapper>, Box<Wrapper>),
[INFO] [stdout]     |     ---        ^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ExprKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 218 -     Let(Ident, Option<Type>, Box<Wrapper>, Box<Wrapper>),
[INFO] [stdout] 218 +     Let(Ident, (), Box<Wrapper>, Box<Wrapper>),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> src/ast.rs:230:18
[INFO] [stdout]     |
[INFO] [stdout] 230 |     Lambda(Ident,Option<Type>,Box<Wrapper>),
[INFO] [stdout]     |     ------       ^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ExprKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 230 -     Lambda(Ident,Option<Type>,Box<Wrapper>),
[INFO] [stdout] 230 +     Lambda(Ident,(),Box<Wrapper>),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     test();
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let _ = test();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast.rs:48:11
[INFO] [stdout]    |
[INFO] [stdout] 48 |     Ident(Ident)
[INFO] [stdout]    |     ----- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Type` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 48 -     Ident(Ident)
[INFO] [stdout] 48 +     Ident(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `JoinSemiLattice` is never used
[INFO] [stdout]   --> src/ast.rs:51:11
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub trait JoinSemiLattice : PartialOrd {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `t` is never read
[INFO] [stdout]    --> src/ast.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 204 | pub struct Expr {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 205 |     pub t: Option<Type>,
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TypedExpr` is never constructed
[INFO] [stdout]    --> src/ast.rs:210:12
[INFO] [stdout]     |
[INFO] [stdout] 210 | pub struct TypedExpr {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> src/ast.rs:218:16
[INFO] [stdout]     |
[INFO] [stdout] 218 |     Let(Ident, Option<Type>, Box<Wrapper>, Box<Wrapper>),
[INFO] [stdout]     |     ---        ^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ExprKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 218 -     Let(Ident, Option<Type>, Box<Wrapper>, Box<Wrapper>),
[INFO] [stdout] 218 +     Let(Ident, (), Box<Wrapper>, Box<Wrapper>),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> src/ast.rs:230:18
[INFO] [stdout]     |
[INFO] [stdout] 230 |     Lambda(Ident,Option<Type>,Box<Wrapper>),
[INFO] [stdout]     |     ------       ^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ExprKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 230 -     Lambda(Ident,Option<Type>,Box<Wrapper>),
[INFO] [stdout] 230 +     Lambda(Ident,(),Box<Wrapper>),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     test();
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let _ = test();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.07s
[INFO] running `Command { std: "docker" "inspect" "49a40f04245e435f24a64bd8353ee5b21a3cc59658d8f6351928e52f4eb5442b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49a40f04245e435f24a64bd8353ee5b21a3cc59658d8f6351928e52f4eb5442b", kill_on_drop: false }`
[INFO] [stdout] 49a40f04245e435f24a64bd8353ee5b21a3cc59658d8f6351928e52f4eb5442b
