[INFO] cloning repository https://github.com/Cherry-Trees/lapis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cherry-Trees/lapis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCherry-Trees%2Flapis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCherry-Trees%2Flapis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8003b94130fc4d54192e91e20c4619d876b887b1
[INFO] checking Cherry-Trees/lapis against master#9e293ae9f8abecb0be5105787d181518c9012a19 for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCherry-Trees%2Flapis" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Cherry-Trees/lapis
[INFO] finished tweaking git repo https://github.com/Cherry-Trees/lapis
[INFO] tweaked toml for git repo https://github.com/Cherry-Trees/lapis written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Cherry-Trees/lapis on toolchain 9e293ae9f8abecb0be5105787d181518c9012a19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Cherry-Trees/lapis 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" "+9e293ae9f8abecb0be5105787d181518c9012a19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a147c28e70bdacd1628817325e361b4b152c026df98129dd03cce830993a424
[INFO] running `Command { std: "docker" "start" "-a" "0a147c28e70bdacd1628817325e361b4b152c026df98129dd03cce830993a424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a147c28e70bdacd1628817325e361b4b152c026df98129dd03cce830993a424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a147c28e70bdacd1628817325e361b4b152c026df98129dd03cce830993a424", kill_on_drop: false }`
[INFO] [stdout] 0a147c28e70bdacd1628817325e361b4b152c026df98129dd03cce830993a424
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+9e293ae9f8abecb0be5105787d181518c9012a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c3a8aec6823ae059be96466745a9c3e370079d3bb6fa11609fb6ced8432646f
[INFO] running `Command { std: "docker" "start" "-a" "3c3a8aec6823ae059be96466745a9c3e370079d3bb6fa11609fb6ced8432646f", kill_on_drop: false }`
[INFO] [stderr]     Checking lapis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `r#type::Type`
[INFO] [stdout]  --> src/ast.rs:4:53
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{gm, source::{SourceRange, SourceValue}, r#type::Type};
[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 import: `r#type::Type`
[INFO] [stdout]  --> src/ast.rs:4:53
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{gm, source::{SourceRange, SourceValue}, r#type::Type};
[INFO] [stdout]   |                                                     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/gm.rs:333:17
[INFO] [stdout]     |
[INFO] [stdout] 333 |                 _ => todo!()
[INFO] [stdout]     |                 ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/gm.rs:333:17
[INFO] [stdout]     |
[INFO] [stdout] 321 |                 Instruction::Unwind => self.unwind(),
[INFO] [stdout]     |                 ------------------- matches some of the same values
[INFO] [stdout] 322 |                 Instruction::Push(offset) => Ok(self.push(offset)),
[INFO] [stdout]     |                 ------------------------- matches some of the same values
[INFO] [stdout] 323 |                 Instruction::PushGlobal(src_name) => self.push_global(src_name),
[INFO] [stdout]     |                 --------------------------------- matches some of the same values
[INFO] [stdout] 324 |                 Instruction::PushInt(src_int) => Ok(self.push_int(src_int)),
[INFO] [stdout]     |                 ----------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 333 |                 _ => todo!()
[INFO] [stdout]     |                 ^ ...and 7 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/main.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 if let Stmt::Def(src_name, params, _) = &stmt {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/gm.rs:333:17
[INFO] [stdout]     |
[INFO] [stdout] 333 |                 _ => todo!()
[INFO] [stdout]     |                 ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/gm.rs:333:17
[INFO] [stdout]     |
[INFO] [stdout] 321 |                 Instruction::Unwind => self.unwind(),
[INFO] [stdout]     |                 ------------------- matches some of the same values
[INFO] [stdout] 322 |                 Instruction::Push(offset) => Ok(self.push(offset)),
[INFO] [stdout]     |                 ------------------------- matches some of the same values
[INFO] [stdout] 323 |                 Instruction::PushGlobal(src_name) => self.push_global(src_name),
[INFO] [stdout]     |                 --------------------------------- matches some of the same values
[INFO] [stdout] 324 |                 Instruction::PushInt(src_int) => Ok(self.push_int(src_int)),
[INFO] [stdout]     |                 ----------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 333 |                 _ => todo!()
[INFO] [stdout]     |                 ^ ...and 7 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pattern` and `expr` are never read
[INFO] [stdout]   --> src/ast.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Alter<'a> {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 18 |     pattern: Pattern<'a>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 19 |     expr: Box<Expr<'a>>
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Alter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/gm.rs:54:29
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub struct RuntimeError(String);
[INFO] [stdout]    |                ------------ ^^^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `RuntimeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pop_back_instruction` is never used
[INFO] [stdout]    --> src/gm.rs:191:12
[INFO] [stdout]     |
[INFO] [stdout] 121 |     impl<'a> State<'a> {
[INFO] [stdout]     |     ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 191 |         fn pop_back_instruction(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             dbg!(state.run());
[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] 53 |             let _ = dbg!(state.run());
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/main.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 if let Stmt::Def(src_name, params, _) = &stmt {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pattern` and `expr` are never read
[INFO] [stdout]   --> src/ast.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Alter<'a> {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 18 |     pattern: Pattern<'a>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 19 |     expr: Box<Expr<'a>>
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Alter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/gm.rs:54:29
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub struct RuntimeError(String);
[INFO] [stdout]    |                ------------ ^^^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `RuntimeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pop_back_instruction` is never used
[INFO] [stdout]    --> src/gm.rs:191:12
[INFO] [stdout]     |
[INFO] [stdout] 121 |     impl<'a> State<'a> {
[INFO] [stdout]     |     ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 191 |         fn pop_back_instruction(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             dbg!(state.run());
[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] 53 |             let _ = dbg!(state.run());
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "3c3a8aec6823ae059be96466745a9c3e370079d3bb6fa11609fb6ced8432646f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c3a8aec6823ae059be96466745a9c3e370079d3bb6fa11609fb6ced8432646f", kill_on_drop: false }`
[INFO] [stdout] 3c3a8aec6823ae059be96466745a9c3e370079d3bb6fa11609fb6ced8432646f
