[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 try#93086cfebfccb79083c59d0d3b2052944bba643c 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-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/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-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Cherry-Trees/lapis on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2d3fb780bda48a2928bbf986607f7445784fa97a7580817dd7093e1f8f7431ad [INFO] running `Command { std: "docker" "start" "-a" "2d3fb780bda48a2928bbf986607f7445784fa97a7580817dd7093e1f8f7431ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2d3fb780bda48a2928bbf986607f7445784fa97a7580817dd7093e1f8f7431ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d3fb780bda48a2928bbf986607f7445784fa97a7580817dd7093e1f8f7431ad", kill_on_drop: false }` [INFO] [stdout] 2d3fb780bda48a2928bbf986607f7445784fa97a7580817dd7093e1f8f7431ad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 038b31245af541185c645c8c2654106447b1b07537b8286c84f17b06dc2e11b5 [INFO] running `Command { std: "docker" "start" "-a" "038b31245af541185c645c8c2654106447b1b07537b8286c84f17b06dc2e11b5", 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] error: struct `Alter` is never constructed [INFO] [stdout] --> src/ast.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | pub struct Alter<'a> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(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> [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] error: could not compile `lapis` (bin "lapis") due to 1 previous error; 7 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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] error: struct `Alter` is never constructed [INFO] [stdout] --> src/ast.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | pub struct Alter<'a> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(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> [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] error: could not compile `lapis` (bin "lapis" test) due to 1 previous error; 7 warnings emitted [INFO] running `Command { std: "docker" "inspect" "038b31245af541185c645c8c2654106447b1b07537b8286c84f17b06dc2e11b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "038b31245af541185c645c8c2654106447b1b07537b8286c84f17b06dc2e11b5", kill_on_drop: false }` [INFO] [stdout] 038b31245af541185c645c8c2654106447b1b07537b8286c84f17b06dc2e11b5