[INFO] cloning repository https://github.com/opfromthestart/mips_assem [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/opfromthestart/mips_assem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopfromthestart%2Fmips_assem", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopfromthestart%2Fmips_assem'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4a89529deab6eb0a5f26e4b26ed05b1c718d49b0 [INFO] checking opfromthestart/mips_assem against master#f21fbac535ab2c3bc50db20547f4d48477357103 for pr-143193 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopfromthestart%2Fmips_assem" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/opfromthestart/mips_assem [INFO] finished tweaking git repo https://github.com/opfromthestart/mips_assem [INFO] tweaked toml for git repo https://github.com/opfromthestart/mips_assem written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/opfromthestart/mips_assem on toolchain f21fbac535ab2c3bc50db20547f4d48477357103 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/opfromthestart/mips_assem 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" "+f21fbac535ab2c3bc50db20547f4d48477357103" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rev_slice v0.1.5 [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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f941f12a3d2d4f2c4077229dd9caf2f26d431be09b55c265adfbaa6e40b16a33 [INFO] running `Command { std: "docker" "start" "-a" "f941f12a3d2d4f2c4077229dd9caf2f26d431be09b55c265adfbaa6e40b16a33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f941f12a3d2d4f2c4077229dd9caf2f26d431be09b55c265adfbaa6e40b16a33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f941f12a3d2d4f2c4077229dd9caf2f26d431be09b55c265adfbaa6e40b16a33", kill_on_drop: false }` [INFO] [stdout] f941f12a3d2d4f2c4077229dd9caf2f26d431be09b55c265adfbaa6e40b16a33 [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" "-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ea48b95ba33849e0975149a5168122662b24cb23e6a83a91e25eb22c44f69a00 [INFO] running `Command { std: "docker" "start" "-a" "ea48b95ba33849e0975149a5168122662b24cb23e6a83a91e25eb22c44f69a00", kill_on_drop: false }` [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Checking hex v0.3.2 [INFO] [stderr] Checking rev_slice v0.1.5 [INFO] [stderr] Checking to-binary v0.4.0 [INFO] [stderr] Checking assembler_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/codes.rs:103:22 [INFO] [stdout] | [INFO] [stdout] 103 | Ok(n) => (Ok(n)), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 103 - Ok(n) => (Ok(n)), [INFO] [stdout] 103 + Ok(n) => Ok(n), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/codes.rs:104:23 [INFO] [stdout] | [INFO] [stdout] 104 | Err(e) => (Err(e.to_string())), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 104 - Err(e) => (Err(e.to_string())), [INFO] [stdout] 104 + Err(e) => Err(e.to_string()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/codes.rs:134:18 [INFO] [stdout] | [INFO] [stdout] 134 | Ok(n) => (Ok(n)), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 134 - Ok(n) => (Ok(n)), [INFO] [stdout] 134 + Ok(n) => Ok(n), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/codes.rs:135:19 [INFO] [stdout] | [INFO] [stdout] 135 | Err(e) => (Err(e.to_string())), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 135 - Err(e) => (Err(e.to_string())), [INFO] [stdout] 135 + Err(e) => Err(e.to_string()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/codes.rs:406:34 [INFO] [stdout] | [INFO] [stdout] 406 | Args::One(a1) => (a1), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 406 - Args::One(a1) => (a1), [INFO] [stdout] 406 + Args::One(a1) => a1, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/codes.rs:635:34 [INFO] [stdout] | [INFO] [stdout] 635 | Args::One(a1) => (a1), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 635 - Args::One(a1) => (a1), [INFO] [stdout] 635 + Args::One(a1) => a1, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/codes.rs:659:34 [INFO] [stdout] | [INFO] [stdout] 659 | Args::One(a1) => (a1), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 659 - Args::One(a1) => (a1), [INFO] [stdout] 659 + Args::One(a1) => a1, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::Split` [INFO] [stdout] --> src/tables.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::str::Split; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/codes.rs:103:22 [INFO] [stdout] | [INFO] [stdout] 103 | Ok(n) => (Ok(n)), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 103 - Ok(n) => (Ok(n)), [INFO] [stdout] 103 + Ok(n) => Ok(n), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/codes.rs:104:23 [INFO] [stdout] | [INFO] [stdout] 104 | Err(e) => (Err(e.to_string())), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 104 - Err(e) => (Err(e.to_string())), [INFO] [stdout] 104 + Err(e) => Err(e.to_string()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/codes.rs:134:18 [INFO] [stdout] | [INFO] [stdout] 134 | Ok(n) => (Ok(n)), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 134 - Ok(n) => (Ok(n)), [INFO] [stdout] 134 + Ok(n) => Ok(n), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/codes.rs:135:19 [INFO] [stdout] | [INFO] [stdout] 135 | Err(e) => (Err(e.to_string())), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 135 - Err(e) => (Err(e.to_string())), [INFO] [stdout] 135 + Err(e) => Err(e.to_string()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/codes.rs:406:34 [INFO] [stdout] | [INFO] [stdout] 406 | Args::One(a1) => (a1), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 406 - Args::One(a1) => (a1), [INFO] [stdout] 406 + Args::One(a1) => a1, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/codes.rs:635:34 [INFO] [stdout] | [INFO] [stdout] 635 | Args::One(a1) => (a1), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 635 - Args::One(a1) => (a1), [INFO] [stdout] 635 + Args::One(a1) => a1, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/codes.rs:659:34 [INFO] [stdout] | [INFO] [stdout] 659 | Args::One(a1) => (a1), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 659 - Args::One(a1) => (a1), [INFO] [stdout] 659 + Args::One(a1) => a1, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::Split` [INFO] [stdout] --> src/tables.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::str::Split; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pseudo` [INFO] [stdout] --> src/tables.rs:426:21 [INFO] [stdout] | [INFO] [stdout] 426 | let pseudo = instrs[0]; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_pseudo` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:17:11 [INFO] [stdout] | [INFO] [stdout] 17 | Label(String), [INFO] [stdout] | ----- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 17 - Label(String), [INFO] [stdout] 17 + Label(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Pseudo` is never constructed [INFO] [stdout] --> src/codes.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub enum Syntax { [INFO] [stdout] | ------ variant in this enum [INFO] [stdout] ... [INFO] [stdout] 31 | Pseudo(Box) -> Encoding>), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/main.rs:50:12 [INFO] [stdout] | [INFO] [stdout] 50 | assem: &String, [INFO] [stdout] | ^^^^^^^ this lifetime flows to the output [INFO] [stdout] 51 | start_text_opt: Option, [INFO] [stdout] 52 | ) -> (Vec<(Line, u32, Section)>, HashMap, u32, u32) { [INFO] [stdout] | ---- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 52 | ) -> (Vec<(Line<'_>, u32, Section)>, HashMap, u32, u32) { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pseudo` [INFO] [stdout] --> src/tables.rs:426:21 [INFO] [stdout] | [INFO] [stdout] 426 | let pseudo = instrs[0]; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_pseudo` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:17:11 [INFO] [stdout] | [INFO] [stdout] 17 | Label(String), [INFO] [stdout] | ----- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 17 - Label(String), [INFO] [stdout] 17 + Label(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Pseudo` is never constructed [INFO] [stdout] --> src/codes.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub enum Syntax { [INFO] [stdout] | ------ variant in this enum [INFO] [stdout] ... [INFO] [stdout] 31 | Pseudo(Box) -> Encoding>), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/main.rs:50:12 [INFO] [stdout] | [INFO] [stdout] 50 | assem: &String, [INFO] [stdout] | ^^^^^^^ this lifetime flows to the output [INFO] [stdout] 51 | start_text_opt: Option, [INFO] [stdout] 52 | ) -> (Vec<(Line, u32, Section)>, HashMap, u32, u32) { [INFO] [stdout] | ---- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 52 | ) -> (Vec<(Line<'_>, u32, Section)>, HashMap, u32, u32) { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.55s [INFO] running `Command { std: "docker" "inspect" "ea48b95ba33849e0975149a5168122662b24cb23e6a83a91e25eb22c44f69a00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea48b95ba33849e0975149a5168122662b24cb23e6a83a91e25eb22c44f69a00", kill_on_drop: false }` [INFO] [stdout] ea48b95ba33849e0975149a5168122662b24cb23e6a83a91e25eb22c44f69a00