[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] fc6a3f15562dd5490621070fd34238d516ae11d9 [INFO] checking shrehanrajsingh/prelude-rust against try#5d96fa0e954d77528204a1ba3b8847ec083c779b for pr-153457 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshrehanrajsingh%2Fprelude-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [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-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/shrehanrajsingh/prelude-rust on toolchain 5d96fa0e954d77528204a1ba3b8847ec083c779b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 534a66d5faafe8c24085135e185ae7cc268a1c31feb8491dfab1432f1e64f3c8 [INFO] running `Command { std: "docker" "start" "-a" "534a66d5faafe8c24085135e185ae7cc268a1c31feb8491dfab1432f1e64f3c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "534a66d5faafe8c24085135e185ae7cc268a1c31feb8491dfab1432f1e64f3c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "534a66d5faafe8c24085135e185ae7cc268a1c31feb8491dfab1432f1e64f3c8", kill_on_drop: false }` [INFO] [stdout] 534a66d5faafe8c24085135e185ae7cc268a1c31feb8491dfab1432f1e64f3c8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3c65840a941341ca91034d32b8082d5be516277db46048464ee859960a0cc0a8 [INFO] running `Command { std: "docker" "start" "-a" "3c65840a941341ca91034d32b8082d5be516277db46048464ee859960a0cc0a8", kill_on_drop: false }` [INFO] [stderr] Checking 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)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default [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)]` (part of `#[warn(unused)]`) 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: 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:217:17 [INFO] [stdout] | [INFO] [stdout] 217 | _ => (), [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:217:17 [INFO] [stdout] | [INFO] [stdout] 67 | Instruction::OneArg { name, op, line } => match name.as_str() { [INFO] [stdout] | -------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 115 | / Instruction::TwoArg { [INFO] [stdout] 116 | | name, [INFO] [stdout] 117 | | op1, [INFO] [stdout] 118 | | op2, [INFO] [stdout] 119 | | line, [INFO] [stdout] 120 | | } => match name.as_str() { [INFO] [stdout] | |_________________- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 210 | Instruction::Label { name, line } => { [INFO] [stdout] | --------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 214 | Instruction::End { line } => { [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 217 | _ => (), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/assembler/parser/mod.rs:217:17 [INFO] [stdout] | [INFO] [stdout] 217 | _ => (), [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:217:17 [INFO] [stdout] | [INFO] [stdout] 67 | Instruction::OneArg { name, op, line } => match name.as_str() { [INFO] [stdout] | -------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 115 | / Instruction::TwoArg { [INFO] [stdout] 116 | | name, [INFO] [stdout] 117 | | op1, [INFO] [stdout] 118 | | op2, [INFO] [stdout] 119 | | line, [INFO] [stdout] 120 | | } => match name.as_str() { [INFO] [stdout] | |_________________- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 210 | Instruction::Label { name, line } => { [INFO] [stdout] | --------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 214 | Instruction::End { line } => { [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 217 | _ => (), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `line` [INFO] [stdout] --> src/assembler/parser/mod.rs:67:49 [INFO] [stdout] | [INFO] [stdout] 67 | 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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `line` [INFO] [stdout] --> src/assembler/parser/mod.rs:119:21 [INFO] [stdout] | [INFO] [stdout] 119 | 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:67:49 [INFO] [stdout] | [INFO] [stdout] 67 | 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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/assembler/parser/mod.rs:140:47 [INFO] [stdout] | [INFO] [stdout] 140 | ... 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:210:44 [INFO] [stdout] | [INFO] [stdout] 210 | 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:119:21 [INFO] [stdout] | [INFO] [stdout] 119 | 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:214:36 [INFO] [stdout] | [INFO] [stdout] 214 | Instruction::End { 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:140:47 [INFO] [stdout] | [INFO] [stdout] 140 | ... 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:210:44 [INFO] [stdout] | [INFO] [stdout] 210 | 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:214:36 [INFO] [stdout] | [INFO] [stdout] 214 | Instruction::End { line } => { [INFO] [stdout] | ^^^^ help: try ignoring the field: `line: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/assembler/parser/mod.rs:246:9 [INFO] [stdout] | [INFO] [stdout] 246 | 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:237:9 [INFO] [stdout] | [INFO] [stdout] 237 | isneg = true; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/assembler/parser/mod.rs:246:9 [INFO] [stdout] | [INFO] [stdout] 246 | 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:237:9 [INFO] [stdout] | [INFO] [stdout] 237 | isneg = true; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/assembler/parser/mod.rs:287:9 [INFO] [stdout] | [INFO] [stdout] 287 | let mut res: u16; [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:278:9 [INFO] [stdout] | [INFO] [stdout] 278 | 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:287:9 [INFO] [stdout] | [INFO] [stdout] 287 | let mut res: u16; [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:278:9 [INFO] [stdout] | [INFO] [stdout] 278 | 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/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] [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] [stdout] warning: variable `isAbs` should have a snake case name [INFO] [stdout] --> src/assembler/parser/mod.rs:221:26 [INFO] [stdout] | [INFO] [stdout] 221 | for (addr, name, isAbs) in self.future_addrs.iter() { [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `is_abs` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `isAbs` should have a snake case name [INFO] [stdout] --> src/assembler/parser/mod.rs:221:26 [INFO] [stdout] | [INFO] [stdout] 221 | for (addr, name, isAbs) in self.future_addrs.iter() { [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `is_abs` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] running `Command { std: "docker" "inspect" "3c65840a941341ca91034d32b8082d5be516277db46048464ee859960a0cc0a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c65840a941341ca91034d32b8082d5be516277db46048464ee859960a0cc0a8", kill_on_drop: false }` [INFO] [stdout] 3c65840a941341ca91034d32b8082d5be516277db46048464ee859960a0cc0a8