[INFO] cloning repository https://github.com/harry-peirse/hp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/harry-peirse/hp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharry-peirse%2Fhp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharry-peirse%2Fhp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 19ec855f532f61cf401023f41d7838c0e6d8cea1 [INFO] building harry-peirse/hp 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%2Fharry-peirse%2Fhp" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/harry-peirse/hp 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/harry-peirse/hp [INFO] finished tweaking git repo https://github.com/harry-peirse/hp [INFO] tweaked toml for git repo https://github.com/harry-peirse/hp written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/harry-peirse/hp 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] [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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ffcb07fe1310cab22f07f38521d1a2399e19b86a35ff8958d1fd8a9d971b2d15 [INFO] running `Command { std: "docker" "start" "-a" "ffcb07fe1310cab22f07f38521d1a2399e19b86a35ff8958d1fd8a9d971b2d15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ffcb07fe1310cab22f07f38521d1a2399e19b86a35ff8958d1fd8a9d971b2d15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ffcb07fe1310cab22f07f38521d1a2399e19b86a35ff8958d1fd8a9d971b2d15", kill_on_drop: false }` [INFO] [stdout] ffcb07fe1310cab22f07f38521d1a2399e19b86a35ff8958d1fd8a9d971b2d15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 55ed625fb36b445213fd083a344c909969e6e32af39e3a7f9dd9fe30a3109b7f [INFO] running `Command { std: "docker" "start" "-a" "55ed625fb36b445213fd083a344c909969e6e32af39e3a7f9dd9fe30a3109b7f", kill_on_drop: false }` [INFO] [stderr] Compiling hp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `DirBuilder` [INFO] [stdout] --> src/main.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fs::{DirBuilder, File}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/main.rs:5:21 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{Read, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter::Map` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::iter::Map; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Declaration` and `Struct` [INFO] [stdout] --> src/type_checker.rs:4:31 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::parser::{BinaryOp, Declaration, Expression, Function, Struct}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Declaration` [INFO] [stdout] --> src/node_generator.rs:6:31 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::parser::{BinaryOp, Declaration, Expression, Function, Struct, UnaryOp}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` [INFO] [stdout] --> src/main.rs:24:1 [INFO] [stdout] | [INFO] [stdout] 24 | #[feature(exclusive_range_pattern)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `word` is never read [INFO] [stdout] --> src/lexer.rs:315:21 [INFO] [stdout] | [INFO] [stdout] 315 | word = String::new(); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `word` is never read [INFO] [stdout] --> src/lexer.rs:318:21 [INFO] [stdout] | [INFO] [stdout] 318 | word = String::new(); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lexer.rs:304:38 [INFO] [stdout] | [INFO] [stdout] 304 | fn lex_string_template(mut col: u64, mut row: u64, iter: &mut Peekable) -> Result, Box> { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser.rs:162:13 [INFO] [stdout] | [INFO] [stdout] 162 | let mut args = parse_arguments(iter)?; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op` [INFO] [stdout] --> src/type_checker.rs:105:34 [INFO] [stdout] | [INFO] [stdout] 105 | Expression::Unary(_type, op, child) => { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_op` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | let mut module = parse_module(&module_name)?; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `length` is never read [INFO] [stdout] --> src/lexer.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Span { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 10 | length: u64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Span` 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: function `generate_struct` is never used [INFO] [stdout] --> src/node_generator.rs:57:4 [INFO] [stdout] | [INFO] [stdout] 57 | fn generate_struct(str: &Struct) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.23s [INFO] running `Command { std: "docker" "inspect" "55ed625fb36b445213fd083a344c909969e6e32af39e3a7f9dd9fe30a3109b7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55ed625fb36b445213fd083a344c909969e6e32af39e3a7f9dd9fe30a3109b7f", kill_on_drop: false }` [INFO] [stdout] 55ed625fb36b445213fd083a344c909969e6e32af39e3a7f9dd9fe30a3109b7f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] da21f003ea05d8c2146a9bf2ae05eeadb39cef71b9d589649149c593f0f47355 [INFO] running `Command { std: "docker" "start" "-a" "da21f003ea05d8c2146a9bf2ae05eeadb39cef71b9d589649149c593f0f47355", kill_on_drop: false }` [INFO] [stderr] Compiling hp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `DirBuilder` [INFO] [stdout] --> src/main.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fs::{DirBuilder, File}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/main.rs:5:21 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{Read, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter::Map` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::iter::Map; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Declaration` and `Struct` [INFO] [stdout] --> src/type_checker.rs:4:31 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::parser::{BinaryOp, Declaration, Expression, Function, Struct}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Declaration` [INFO] [stdout] --> src/node_generator.rs:6:31 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::parser::{BinaryOp, Declaration, Expression, Function, Struct, UnaryOp}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` [INFO] [stdout] --> src/main.rs:24:1 [INFO] [stdout] | [INFO] [stdout] 24 | #[feature(exclusive_range_pattern)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `word` is never read [INFO] [stdout] --> src/lexer.rs:315:21 [INFO] [stdout] | [INFO] [stdout] 315 | word = String::new(); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `word` is never read [INFO] [stdout] --> src/lexer.rs:318:21 [INFO] [stdout] | [INFO] [stdout] 318 | word = String::new(); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lexer.rs:304:38 [INFO] [stdout] | [INFO] [stdout] 304 | fn lex_string_template(mut col: u64, mut row: u64, iter: &mut Peekable) -> Result, Box> { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser.rs:162:13 [INFO] [stdout] | [INFO] [stdout] 162 | let mut args = parse_arguments(iter)?; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op` [INFO] [stdout] --> src/type_checker.rs:105:34 [INFO] [stdout] | [INFO] [stdout] 105 | Expression::Unary(_type, op, child) => { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_op` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | let mut module = parse_module(&module_name)?; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `length` is never read [INFO] [stdout] --> src/lexer.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Span { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 10 | length: u64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Span` 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: function `generate_struct` is never used [INFO] [stdout] --> src/node_generator.rs:57:4 [INFO] [stdout] | [INFO] [stdout] 57 | fn generate_struct(str: &Struct) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s [INFO] running `Command { std: "docker" "inspect" "da21f003ea05d8c2146a9bf2ae05eeadb39cef71b9d589649149c593f0f47355", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da21f003ea05d8c2146a9bf2ae05eeadb39cef71b9d589649149c593f0f47355", kill_on_drop: false }` [INFO] [stdout] da21f003ea05d8c2146a9bf2ae05eeadb39cef71b9d589649149c593f0f47355