[INFO] cloning repository https://github.com/yot-isa/ysm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yot-isa/ysm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyot-isa%2Fysm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyot-isa%2Fysm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 62ed0005e92ee880d536d9d782f389b15b3bb62b [INFO] checking yot-isa/ysm against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyot-isa%2Fysm" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yot-isa/ysm on toolchain 195ad4830e11a544391abe296b146450dea8411b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/yot-isa/ysm [INFO] finished tweaking git repo https://github.com/yot-isa/ysm [INFO] tweaked toml for git repo https://github.com/yot-isa/ysm written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/yot-isa/ysm already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1719c771e81217332564929c7aa57ead590dae154da753caac28b2c69beee327 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1719c771e81217332564929c7aa57ead590dae154da753caac28b2c69beee327", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1719c771e81217332564929c7aa57ead590dae154da753caac28b2c69beee327", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1719c771e81217332564929c7aa57ead590dae154da753caac28b2c69beee327", kill_on_drop: false }` [INFO] [stdout] 1719c771e81217332564929c7aa57ead590dae154da753caac28b2c69beee327 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2871ce55dc8598fea046759e7dbef8c2f74602c876840a46e3f29deb840cf67f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2871ce55dc8598fea046759e7dbef8c2f74602c876840a46e3f29deb840cf67f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking codespan-reporting v0.11.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling syn v1.0.63 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking ysm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Label` [INFO] [stdout] --> src/main.rs:1:50 [INFO] [stdout] | [INFO] [stdout] 1 | use codespan_reporting::diagnostic::{Diagnostic, Label}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `error::Error` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use error::Error; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Location`, `Span`, `Spanning` [INFO] [stdout] --> src/main.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | use span::{Location, Span, Spanned, Spanning}; [INFO] [stdout] | ^^^^^^^^ ^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Location`, `Span`, `Spanning` [INFO] [stdout] --> src/emitter/mod.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | use super::span::{Location, Span, Spanned, Spanning}; [INFO] [stdout] | ^^^^^^^^ ^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::impl_spanning` [INFO] [stdout] --> src/tokenizer/error.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::impl_spanning; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Label` [INFO] [stdout] --> src/main.rs:1:50 [INFO] [stdout] | [INFO] [stdout] 1 | use codespan_reporting::diagnostic::{Diagnostic, Label}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `error::Error` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use error::Error; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Location`, `Span`, `Spanning` [INFO] [stdout] --> src/main.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | use span::{Location, Span, Spanned, Spanning}; [INFO] [stdout] | ^^^^^^^^ ^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Location`, `Span`, `Spanning` [INFO] [stdout] --> src/emitter/mod.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | use super::span::{Location, Span, Spanned, Spanning}; [INFO] [stdout] | ^^^^^^^^ ^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::impl_spanning` [INFO] [stdout] --> src/tokenizer/error.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::impl_spanning; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/tokenizer/mod.rs:214:13 [INFO] [stdout] | [INFO] [stdout] 214 | Some(Spanned { node: c, span }) => { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file_id` [INFO] [stdout] --> src/main.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | let file_id = files.add( [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/emitter/mod.rs:88:9 [INFO] [stdout] | [INFO] [stdout] 88 | let i: usize = i; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/tokenizer/mod.rs:204:34 [INFO] [stdout] | [INFO] [stdout] 204 | Some(Spanned { node: c, .. }) => match parse_identifier(&symbols, &mut i, false) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/tokenizer/mod.rs:214:34 [INFO] [stdout] | [INFO] [stdout] 214 | Some(Spanned { node: c, span }) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `span` [INFO] [stdout] --> src/tokenizer/mod.rs:214:37 [INFO] [stdout] | [INFO] [stdout] 214 | Some(Spanned { node: c, span }) => { [INFO] [stdout] | ^^^^ help: try ignoring the field: `span: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/tokenizer/mod.rs:214:13 [INFO] [stdout] | [INFO] [stdout] 214 | Some(Spanned { node: c, span }) => { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file_id` [INFO] [stdout] --> src/main.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | let file_id = files.add( [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/emitter/mod.rs:88:9 [INFO] [stdout] | [INFO] [stdout] 88 | let i: usize = i; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/tokenizer/mod.rs:204:34 [INFO] [stdout] | [INFO] [stdout] 204 | Some(Spanned { node: c, .. }) => match parse_identifier(&symbols, &mut i, false) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/tokenizer/mod.rs:214:34 [INFO] [stdout] | [INFO] [stdout] 214 | Some(Spanned { node: c, span }) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `span` [INFO] [stdout] --> src/tokenizer/mod.rs:214:37 [INFO] [stdout] | [INFO] [stdout] 214 | Some(Spanned { node: c, span }) => { [INFO] [stdout] | ^^^^ help: try ignoring the field: `span: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Y16` [INFO] [stdout] --> src/instruction.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | Y16 = 2, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Y32` [INFO] [stdout] --> src/instruction.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | Y32 = 4, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Y64` [INFO] [stdout] --> src/instruction.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | Y64 = 8, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `between` [INFO] [stdout] --> src/span.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn between(start: &Span, end: &Span) -> Span { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `SymbolInvalid` [INFO] [stdout] --> src/tokenizer/error.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | SymbolInvalid(String, Span), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Y16` [INFO] [stdout] --> src/instruction.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | Y16 = 2, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Y32` [INFO] [stdout] --> src/instruction.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | Y32 = 4, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Y64` [INFO] [stdout] --> src/instruction.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | Y64 = 8, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `between` [INFO] [stdout] --> src/span.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn between(start: &Span, end: &Span) -> Span { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `SymbolInvalid` [INFO] [stdout] --> src/tokenizer/error.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | SymbolInvalid(String, Span), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | / term::emit( [INFO] [stdout] 42 | | &mut codespan_writer.lock(), [INFO] [stdout] 43 | | &codespan_config, [INFO] [stdout] 44 | | &files, [INFO] [stdout] 45 | | &diagnostic, [INFO] [stdout] 46 | | ); [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:61:17 [INFO] [stdout] | [INFO] [stdout] 61 | / term::emit( [INFO] [stdout] 62 | | &mut codespan_writer.lock(), [INFO] [stdout] 63 | | &codespan_config, [INFO] [stdout] 64 | | &files, [INFO] [stdout] 65 | | &diagnostic, [INFO] [stdout] 66 | | ); [INFO] [stdout] | |__________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:83:13 [INFO] [stdout] | [INFO] [stdout] 83 | / term::emit( [INFO] [stdout] 84 | | &mut codespan_writer.lock(), [INFO] [stdout] 85 | | &codespan_config, [INFO] [stdout] 86 | | &files, [INFO] [stdout] 87 | | &diagnostic, [INFO] [stdout] 88 | | ); [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | / term::emit( [INFO] [stdout] 42 | | &mut codespan_writer.lock(), [INFO] [stdout] 43 | | &codespan_config, [INFO] [stdout] 44 | | &files, [INFO] [stdout] 45 | | &diagnostic, [INFO] [stdout] 46 | | ); [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:61:17 [INFO] [stdout] | [INFO] [stdout] 61 | / term::emit( [INFO] [stdout] 62 | | &mut codespan_writer.lock(), [INFO] [stdout] 63 | | &codespan_config, [INFO] [stdout] 64 | | &files, [INFO] [stdout] 65 | | &diagnostic, [INFO] [stdout] 66 | | ); [INFO] [stdout] | |__________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:83:13 [INFO] [stdout] | [INFO] [stdout] 83 | / term::emit( [INFO] [stdout] 84 | | &mut codespan_writer.lock(), [INFO] [stdout] 85 | | &codespan_config, [INFO] [stdout] 86 | | &files, [INFO] [stdout] 87 | | &diagnostic, [INFO] [stdout] 88 | | ); [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 30.41s [INFO] running `Command { std: "docker" "inspect" "2871ce55dc8598fea046759e7dbef8c2f74602c876840a46e3f29deb840cf67f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2871ce55dc8598fea046759e7dbef8c2f74602c876840a46e3f29deb840cf67f", kill_on_drop: false }` [INFO] [stdout] 2871ce55dc8598fea046759e7dbef8c2f74602c876840a46e3f29deb840cf67f