[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#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopfromthestart%2Fmips_assem" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/opfromthestart/mips_assem on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-0-tc1/source/Cargo.toml [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rev_slice v0.1.5 [INFO] [stderr] Downloaded to-binary v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 303a0bfb2123f0fbf6bf7c41f5217170ffc3505771515722bacffef956f13959 [INFO] running `Command { std: "docker" "start" "-a" "303a0bfb2123f0fbf6bf7c41f5217170ffc3505771515722bacffef956f13959", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "303a0bfb2123f0fbf6bf7c41f5217170ffc3505771515722bacffef956f13959", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "303a0bfb2123f0fbf6bf7c41f5217170ffc3505771515722bacffef956f13959", kill_on_drop: false }` [INFO] [stdout] 303a0bfb2123f0fbf6bf7c41f5217170ffc3505771515722bacffef956f13959 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 70558093678ce7c4b3422d933f17278a47f9ffcb2d44751e3a312d99be20ebbd [INFO] running `Command { std: "docker" "start" "-a" "70558093678ce7c4b3422d933f17278a47f9ffcb2d44751e3a312d99be20ebbd", 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: the item `Option` is imported redundantly [INFO] [stdout] --> src/codes.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::option::Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Option` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Some` is imported redundantly [INFO] [stdout] --> src/codes.rs:2:34 [INFO] [stdout] | [INFO] [stdout] 2 | use core::option::Option::{None, Some}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Some` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Err` is imported redundantly [INFO] [stdout] --> src/codes.rs:3:28 [INFO] [stdout] | [INFO] [stdout] 3 | use core::result::Result::{Err, Ok}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Err` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ok` is imported redundantly [INFO] [stdout] --> src/codes.rs:3:33 [INFO] [stdout] | [INFO] [stdout] 3 | use core::result::Result::{Err, Ok}; [INFO] [stdout] | ^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ok` is already defined here [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] [INFO] [stdout] warning: the item `Option` is imported redundantly [INFO] [stdout] --> src/codes.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::option::Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Option` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Some` is imported redundantly [INFO] [stdout] --> src/codes.rs:2:34 [INFO] [stdout] | [INFO] [stdout] 2 | use core::option::Option::{None, Some}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Some` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Err` is imported redundantly [INFO] [stdout] --> src/codes.rs:3:28 [INFO] [stdout] | [INFO] [stdout] 3 | use core::result::Result::{Err, Ok}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Err` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ok` is imported redundantly [INFO] [stdout] --> src/codes.rs:3:33 [INFO] [stdout] | [INFO] [stdout] 3 | use core::result::Result::{Err, Ok}; [INFO] [stdout] | ^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ok` is already defined here [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] [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(()), [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: 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: 15 warnings emitted [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(()), [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: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `Command { std: "docker" "inspect" "70558093678ce7c4b3422d933f17278a47f9ffcb2d44751e3a312d99be20ebbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70558093678ce7c4b3422d933f17278a47f9ffcb2d44751e3a312d99be20ebbd", kill_on_drop: false }` [INFO] [stdout] 70558093678ce7c4b3422d933f17278a47f9ffcb2d44751e3a312d99be20ebbd