[INFO] cloning repository https://github.com/nishantdania/lox_interpreter_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nishantdania/lox_interpreter_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnishantdania%2Flox_interpreter_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnishantdania%2Flox_interpreter_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 56ff4dc4022777498b14ac49152ea17ae08f2257 [INFO] building nishantdania/lox_interpreter_rust against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnishantdania%2Flox_interpreter_rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nishantdania/lox_interpreter_rust on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nishantdania/lox_interpreter_rust [INFO] finished tweaking git repo https://github.com/nishantdania/lox_interpreter_rust [INFO] tweaked toml for git repo https://github.com/nishantdania/lox_interpreter_rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/nishantdania/lox_interpreter_rust 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7fdcb65be197b9d1d3615b08aa5d2779376c363d3c92b01dc92b77759f198907 [INFO] running `Command { std: "docker" "start" "-a" "7fdcb65be197b9d1d3615b08aa5d2779376c363d3c92b01dc92b77759f198907", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7fdcb65be197b9d1d3615b08aa5d2779376c363d3c92b01dc92b77759f198907", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7fdcb65be197b9d1d3615b08aa5d2779376c363d3c92b01dc92b77759f198907", kill_on_drop: false }` [INFO] [stdout] 7fdcb65be197b9d1d3615b08aa5d2779376c363d3c92b01dc92b77759f198907 [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9d889ec11b93971df8020926e074a71930ed9cbf5b09f3290d0688ced326ad81 [INFO] running `Command { std: "docker" "start" "-a" "9d889ec11b93971df8020926e074a71930ed9cbf5b09f3290d0688ced326ad81", kill_on_drop: false }` [INFO] [stderr] Compiling lox_interpreter_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/literal.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | String(String), [INFO] [stdout] | ------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Literal` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` 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] 3 | String(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/literal.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | Number(f32), [INFO] [stdout] | ------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Literal` has derived impls for the traits `Debug` and `Clone`, 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] 4 | Number(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/literal.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | Bool(bool), [INFO] [stdout] | ---- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Literal` has derived impls for the traits `Debug` and `Clone`, 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] 5 | Bool(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `line_number` is never read [INFO] [stdout] --> src/token.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Token { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 11 | pub line_number: u32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `left`, `operator`, and `right` are never read [INFO] [stdout] --> src/expr.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 7 | Binary { [INFO] [stdout] | ------ fields in this variant [INFO] [stdout] 8 | left: Rc, [INFO] [stdout] | ^^^^ [INFO] [stdout] 9 | operator: Token, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 10 | right: Rc, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `right` and `operator` are never read [INFO] [stdout] --> src/expr.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 12 | Unary { [INFO] [stdout] | ----- fields in this variant [INFO] [stdout] 13 | right: Rc, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 14 | operator: Token, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `expr` is never read [INFO] [stdout] --> src/expr.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 19 | Grouping { [INFO] [stdout] | -------- field in this variant [INFO] [stdout] 20 | expr: Rc, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.69s [INFO] running `Command { std: "docker" "inspect" "9d889ec11b93971df8020926e074a71930ed9cbf5b09f3290d0688ced326ad81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d889ec11b93971df8020926e074a71930ed9cbf5b09f3290d0688ced326ad81", kill_on_drop: false }` [INFO] [stdout] 9d889ec11b93971df8020926e074a71930ed9cbf5b09f3290d0688ced326ad81 [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4f1304aa2da822e56faa7cacfe53c45ade1323acdf20445439a8cb30967e8a58 [INFO] running `Command { std: "docker" "start" "-a" "4f1304aa2da822e56faa7cacfe53c45ade1323acdf20445439a8cb30967e8a58", kill_on_drop: false }` [INFO] [stderr] Compiling lox_interpreter_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/literal.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | String(String), [INFO] [stdout] | ------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Literal` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` 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] 3 | String(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/literal.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | Number(f32), [INFO] [stdout] | ------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Literal` has derived impls for the traits `Debug` and `Clone`, 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] 4 | Number(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/literal.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | Bool(bool), [INFO] [stdout] | ---- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Literal` has derived impls for the traits `Debug` and `Clone`, 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] 5 | Bool(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `line_number` is never read [INFO] [stdout] --> src/token.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Token { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 11 | pub line_number: u32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `left`, `operator`, and `right` are never read [INFO] [stdout] --> src/expr.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 7 | Binary { [INFO] [stdout] | ------ fields in this variant [INFO] [stdout] 8 | left: Rc, [INFO] [stdout] | ^^^^ [INFO] [stdout] 9 | operator: Token, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 10 | right: Rc, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `right` and `operator` are never read [INFO] [stdout] --> src/expr.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 12 | Unary { [INFO] [stdout] | ----- fields in this variant [INFO] [stdout] 13 | right: Rc, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 14 | operator: Token, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `expr` is never read [INFO] [stdout] --> src/expr.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 19 | Grouping { [INFO] [stdout] | -------- field in this variant [INFO] [stdout] 20 | expr: Rc, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/literal.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | String(String), [INFO] [stdout] | ------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Literal` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` 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] 3 | String(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/literal.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | Number(f32), [INFO] [stdout] | ------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Literal` has derived impls for the traits `Debug` and `Clone`, 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] 4 | Number(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/literal.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | Bool(bool), [INFO] [stdout] | ---- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Literal` has derived impls for the traits `Debug` and `Clone`, 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] 5 | Bool(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `line_number` is never read [INFO] [stdout] --> src/token.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Token { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 11 | pub line_number: u32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `left`, `operator`, and `right` are never read [INFO] [stdout] --> src/expr.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 7 | Binary { [INFO] [stdout] | ------ fields in this variant [INFO] [stdout] 8 | left: Rc, [INFO] [stdout] | ^^^^ [INFO] [stdout] 9 | operator: Token, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 10 | right: Rc, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `right` and `operator` are never read [INFO] [stdout] --> src/expr.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 12 | Unary { [INFO] [stdout] | ----- fields in this variant [INFO] [stdout] 13 | right: Rc, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 14 | operator: Token, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `expr` is never read [INFO] [stdout] --> src/expr.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 19 | Grouping { [INFO] [stdout] | -------- field in this variant [INFO] [stdout] 20 | expr: Rc, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s [INFO] running `Command { std: "docker" "inspect" "4f1304aa2da822e56faa7cacfe53c45ade1323acdf20445439a8cb30967e8a58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f1304aa2da822e56faa7cacfe53c45ade1323acdf20445439a8cb30967e8a58", kill_on_drop: false }` [INFO] [stdout] 4f1304aa2da822e56faa7cacfe53c45ade1323acdf20445439a8cb30967e8a58