[INFO] cloning repository https://github.com/shrehanrajsingh/prelude-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shrehanrajsingh/prelude-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshrehanrajsingh%2Fprelude-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshrehanrajsingh%2Fprelude-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 60142287810fd3f760039160379506f48a9b0812 [INFO] building shrehanrajsingh/prelude-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%2Fshrehanrajsingh%2Fprelude-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shrehanrajsingh/prelude-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/shrehanrajsingh/prelude-rust [INFO] finished tweaking git repo https://github.com/shrehanrajsingh/prelude-rust [INFO] tweaked toml for git repo https://github.com/shrehanrajsingh/prelude-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/shrehanrajsingh/prelude-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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8301150e7a049c9acf0a3acc572caec0b88141138f782da197bcef60f29dcea5 [INFO] running `Command { std: "docker" "start" "-a" "8301150e7a049c9acf0a3acc572caec0b88141138f782da197bcef60f29dcea5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8301150e7a049c9acf0a3acc572caec0b88141138f782da197bcef60f29dcea5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8301150e7a049c9acf0a3acc572caec0b88141138f782da197bcef60f29dcea5", kill_on_drop: false }` [INFO] [stdout] 8301150e7a049c9acf0a3acc572caec0b88141138f782da197bcef60f29dcea5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9d65cdddf9929edab8f0cc5ea1f7605c9c2b0723319a3ac6e57a1a5445c70102 [INFO] running `Command { std: "docker" "start" "-a" "9d65cdddf9929edab8f0cc5ea1f7605c9c2b0723319a3ac6e57a1a5445c70102", kill_on_drop: false }` [INFO] [stderr] Compiling prelude-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `psw::Psw` [INFO] [stdout] --> src/assembler/engine/mod.rs:2:26 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::{emulator::*, psw::Psw}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `regs` [INFO] [stdout] --> src/assembler/engine/mod.rs:3:18 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::{ram, regs}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `assembler::codegen` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use assembler::codegen; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/assembler/engine/mod.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | let mut pc: &mut u16 = &mut self.em.reg.pc.value; [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/assembler/lexer/mod.rs:62:17 [INFO] [stdout] | [INFO] [stdout] 62 | let mut words = line.split_once(' '); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/assembler/parser/mod.rs:199:17 [INFO] [stdout] | [INFO] [stdout] 199 | _ => (), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/assembler/parser/mod.rs:199:17 [INFO] [stdout] | [INFO] [stdout] 61 | Instruction::OneArg { name, op, line } => match name.as_str() { [INFO] [stdout] | -------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 97 | / Instruction::TwoArg { [INFO] [stdout] 98 | | name, [INFO] [stdout] 99 | | op1, [INFO] [stdout] 100 | | op2, [INFO] [stdout] 101 | | line, [INFO] [stdout] 102 | | } => match name.as_str() { [INFO] [stdout] | |_________________- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 192 | Instruction::Label { name, line } => { [INFO] [stdout] | --------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 196 | Instruction::End { line } => { [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 199 | _ => (), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `line` [INFO] [stdout] --> src/assembler/parser/mod.rs:61:49 [INFO] [stdout] | [INFO] [stdout] 61 | Instruction::OneArg { name, op, line } => match name.as_str() { [INFO] [stdout] | ^^^^ help: try ignoring the field: `line: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `line` [INFO] [stdout] --> src/assembler/parser/mod.rs:101:21 [INFO] [stdout] | [INFO] [stdout] 101 | line, [INFO] [stdout] | ^^^^ help: try ignoring the field: `line: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/assembler/parser/mod.rs:122:47 [INFO] [stdout] | [INFO] [stdout] 122 | ... Source::Label(name) => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `line` [INFO] [stdout] --> src/assembler/parser/mod.rs:192:44 [INFO] [stdout] | [INFO] [stdout] 192 | Instruction::Label { name, line } => { [INFO] [stdout] | ^^^^ help: try ignoring the field: `line: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `line` [INFO] [stdout] --> src/assembler/parser/mod.rs:196:36 [INFO] [stdout] | [INFO] [stdout] 196 | Instruction::End { line } => { [INFO] [stdout] | ^^^^ help: try ignoring the field: `line: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `isneg` is never read [INFO] [stdout] --> src/assembler/parser/mod.rs:208:9 [INFO] [stdout] | [INFO] [stdout] 208 | isneg = true; [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: variable does not need to be mutable [INFO] [stdout] --> src/assembler/parser/mod.rs:217:9 [INFO] [stdout] | [INFO] [stdout] 217 | let mut res: u8; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `isneg` is never read [INFO] [stdout] --> src/assembler/parser/mod.rs:249:9 [INFO] [stdout] | [INFO] [stdout] 249 | isneg = true; [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/assembler/parser/mod.rs:258:9 [INFO] [stdout] | [INFO] [stdout] 258 | let mut res: u16; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let mut em = Emulator::new(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s [INFO] running `Command { std: "docker" "inspect" "9d65cdddf9929edab8f0cc5ea1f7605c9c2b0723319a3ac6e57a1a5445c70102", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d65cdddf9929edab8f0cc5ea1f7605c9c2b0723319a3ac6e57a1a5445c70102", kill_on_drop: false }` [INFO] [stdout] 9d65cdddf9929edab8f0cc5ea1f7605c9c2b0723319a3ac6e57a1a5445c70102 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5a81df33a5e0e53e860fef9628fa05129ba5337f234d8a8fe66a2210fc435dab [INFO] running `Command { std: "docker" "start" "-a" "5a81df33a5e0e53e860fef9628fa05129ba5337f234d8a8fe66a2210fc435dab", kill_on_drop: false }` [INFO] [stderr] Compiling prelude-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `psw::Psw` [INFO] [stdout] --> src/assembler/engine/mod.rs:2:26 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::{emulator::*, psw::Psw}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `regs` [INFO] [stdout] --> src/assembler/engine/mod.rs:3:18 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::{ram, regs}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `assembler::codegen` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use assembler::codegen; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/assembler/engine/mod.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | let mut pc: &mut u16 = &mut self.em.reg.pc.value; [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/assembler/lexer/mod.rs:62:17 [INFO] [stdout] | [INFO] [stdout] 62 | let mut words = line.split_once(' '); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/assembler/parser/mod.rs:199:17 [INFO] [stdout] | [INFO] [stdout] 199 | _ => (), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/assembler/parser/mod.rs:199:17 [INFO] [stdout] | [INFO] [stdout] 61 | Instruction::OneArg { name, op, line } => match name.as_str() { [INFO] [stdout] | -------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 97 | / Instruction::TwoArg { [INFO] [stdout] 98 | | name, [INFO] [stdout] 99 | | op1, [INFO] [stdout] 100 | | op2, [INFO] [stdout] 101 | | line, [INFO] [stdout] 102 | | } => match name.as_str() { [INFO] [stdout] | |_________________- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 192 | Instruction::Label { name, line } => { [INFO] [stdout] | --------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 196 | Instruction::End { line } => { [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 199 | _ => (), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `line` [INFO] [stdout] --> src/assembler/parser/mod.rs:61:49 [INFO] [stdout] | [INFO] [stdout] 61 | Instruction::OneArg { name, op, line } => match name.as_str() { [INFO] [stdout] | ^^^^ help: try ignoring the field: `line: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `line` [INFO] [stdout] --> src/assembler/parser/mod.rs:101:21 [INFO] [stdout] | [INFO] [stdout] 101 | line, [INFO] [stdout] | ^^^^ help: try ignoring the field: `line: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/assembler/parser/mod.rs:122:47 [INFO] [stdout] | [INFO] [stdout] 122 | ... Source::Label(name) => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `line` [INFO] [stdout] --> src/assembler/parser/mod.rs:192:44 [INFO] [stdout] | [INFO] [stdout] 192 | Instruction::Label { name, line } => { [INFO] [stdout] | ^^^^ help: try ignoring the field: `line: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `line` [INFO] [stdout] --> src/assembler/parser/mod.rs:196:36 [INFO] [stdout] | [INFO] [stdout] 196 | Instruction::End { line } => { [INFO] [stdout] | ^^^^ help: try ignoring the field: `line: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `isneg` is never read [INFO] [stdout] --> src/assembler/parser/mod.rs:208:9 [INFO] [stdout] | [INFO] [stdout] 208 | isneg = true; [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: variable does not need to be mutable [INFO] [stdout] --> src/assembler/parser/mod.rs:217:9 [INFO] [stdout] | [INFO] [stdout] 217 | let mut res: u8; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `isneg` is never read [INFO] [stdout] --> src/assembler/parser/mod.rs:249:9 [INFO] [stdout] | [INFO] [stdout] 249 | isneg = true; [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/assembler/parser/mod.rs:258:9 [INFO] [stdout] | [INFO] [stdout] 258 | let mut res: u16; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let mut em = Emulator::new(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s [INFO] running `Command { std: "docker" "inspect" "5a81df33a5e0e53e860fef9628fa05129ba5337f234d8a8fe66a2210fc435dab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a81df33a5e0e53e860fef9628fa05129ba5337f234d8a8fe66a2210fc435dab", kill_on_drop: false }` [INFO] [stdout] 5a81df33a5e0e53e860fef9628fa05129ba5337f234d8a8fe66a2210fc435dab