[INFO] fetching crate liexpr 0.1.0... [INFO] checking liexpr-0.1.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate liexpr 0.1.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate liexpr 0.1.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate liexpr 0.1.0 [INFO] finished tweaking crates.io crate liexpr 0.1.0 [INFO] tweaked toml for crates.io crate liexpr 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a19e27f164389da9a859f4d38d84246dabfd568987438b0188616564f240f331 [INFO] running `Command { std: "docker" "start" "-a" "a19e27f164389da9a859f4d38d84246dabfd568987438b0188616564f240f331", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a19e27f164389da9a859f4d38d84246dabfd568987438b0188616564f240f331", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a19e27f164389da9a859f4d38d84246dabfd568987438b0188616564f240f331", kill_on_drop: false }` [INFO] [stdout] a19e27f164389da9a859f4d38d84246dabfd568987438b0188616564f240f331 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3be337b58e45b666f62c8e16dc21911af2f0e6359b4840a848b62ecac7be94cf [INFO] running `Command { std: "docker" "start" "-a" "3be337b58e45b666f62c8e16dc21911af2f0e6359b4840a848b62ecac7be94cf", kill_on_drop: false }` [INFO] [stderr] Checking liexpr v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/eval.rs:178:13 [INFO] [stdout] | [INFO] [stdout] 178 | _ => unimplemented!("Not implemented statement: {:?}", statement), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/eval.rs:178:13 [INFO] [stdout] | [INFO] [stdout] 95 | Statement::Empty => {} [INFO] [stdout] | ---------------- matches some of the same values [INFO] [stdout] 96 | Statement::Return { value } => { [INFO] [stdout] | --------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 103 | Statement::Let { name, value } => match value { [INFO] [stdout] | ------------------------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 113 | Statement::Expression { expression } => { [INFO] [stdout] | ------------------------------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 178 | _ => unimplemented!("Not implemented statement: {:?}", statement), [INFO] [stdout] | ^ ...and 5 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/eval.rs:178:13 [INFO] [stdout] | [INFO] [stdout] 178 | _ => unimplemented!("Not implemented statement: {:?}", statement), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/eval.rs:178:13 [INFO] [stdout] | [INFO] [stdout] 95 | Statement::Empty => {} [INFO] [stdout] | ---------------- matches some of the same values [INFO] [stdout] 96 | Statement::Return { value } => { [INFO] [stdout] | --------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 103 | Statement::Let { name, value } => match value { [INFO] [stdout] | ------------------------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 113 | Statement::Expression { expression } => { [INFO] [stdout] | ------------------------------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 178 | _ => unimplemented!("Not implemented statement: {:?}", statement), [INFO] [stdout] | ^ ...and 5 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expression` [INFO] [stdout] --> src/eval.rs:616:9 [INFO] [stdout] | [INFO] [stdout] 616 | expression: &Expression, [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expression` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> src/eval.rs:617:9 [INFO] [stdout] | [INFO] [stdout] 617 | args: &[Expression], [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/parser.rs:137:30 [INFO] [stdout] | [INFO] [stdout] 137 | Statement::Let { name, value } => {} [INFO] [stdout] | ^^^^ help: try ignoring the field: `name: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/parser.rs:137:36 [INFO] [stdout] | [INFO] [stdout] 137 | Statement::Let { name, value } => {} [INFO] [stdout] | ^^^^^ help: try ignoring the field: `value: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expression` [INFO] [stdout] --> src/parser.rs:138:37 [INFO] [stdout] | [INFO] [stdout] 138 | Statement::Expression { expression } => {} [INFO] [stdout] | ^^^^^^^^^^ help: try ignoring the field: `expression: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expression` [INFO] [stdout] --> src/eval.rs:616:9 [INFO] [stdout] | [INFO] [stdout] 616 | expression: &Expression, [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expression` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> src/eval.rs:617:9 [INFO] [stdout] | [INFO] [stdout] 617 | args: &[Expression], [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/parser.rs:137:30 [INFO] [stdout] | [INFO] [stdout] 137 | Statement::Let { name, value } => {} [INFO] [stdout] | ^^^^ help: try ignoring the field: `name: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/parser.rs:137:36 [INFO] [stdout] | [INFO] [stdout] 137 | Statement::Let { name, value } => {} [INFO] [stdout] | ^^^^^ help: try ignoring the field: `value: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expression` [INFO] [stdout] --> src/parser.rs:138:37 [INFO] [stdout] | [INFO] [stdout] 138 | Statement::Expression { expression } => {} [INFO] [stdout] | ^^^^^^^^^^ help: try ignoring the field: `expression: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Empty` is never constructed [INFO] [stdout] --> src/ast.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 45 | pub enum Expression { [INFO] [stdout] | ---------- variant in this enum [INFO] [stdout] 46 | Empty, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Expression` 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: variant `Prefix` is never constructed [INFO] [stdout] --> src/parser.rs:453:5 [INFO] [stdout] | [INFO] [stdout] 444 | enum Precedence { [INFO] [stdout] | ---------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 453 | Prefix, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Precedence` 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: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Empty` is never constructed [INFO] [stdout] --> src/ast.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 45 | pub enum Expression { [INFO] [stdout] | ---------- variant in this enum [INFO] [stdout] 46 | Empty, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Expression` 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: variant `Prefix` is never constructed [INFO] [stdout] --> src/parser.rs:453:5 [INFO] [stdout] | [INFO] [stdout] 444 | enum Precedence { [INFO] [stdout] | ---------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 453 | Prefix, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Precedence` 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: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.55s [INFO] running `Command { std: "docker" "inspect" "3be337b58e45b666f62c8e16dc21911af2f0e6359b4840a848b62ecac7be94cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3be337b58e45b666f62c8e16dc21911af2f0e6359b4840a848b62ecac7be94cf", kill_on_drop: false }` [INFO] [stdout] 3be337b58e45b666f62c8e16dc21911af2f0e6359b4840a848b62ecac7be94cf