[INFO] cloning repository https://github.com/s-ylide/cpuex2022-7-simulator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/s-ylide/cpuex2022-7-simulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs-ylide%2Fcpuex2022-7-simulator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs-ylide%2Fcpuex2022-7-simulator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e729a10af2830c0d489384577b90d20c92f56f0e [INFO] testing s-ylide/cpuex2022-7-simulator against 1.91.0 for beta-1.92-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs-ylide%2Fcpuex2022-7-simulator" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/s-ylide/cpuex2022-7-simulator [INFO] finished tweaking git repo https://github.com/s-ylide/cpuex2022-7-simulator [INFO] tweaked toml for git repo https://github.com/s-ylide/cpuex2022-7-simulator written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/s-ylide/cpuex2022-7-simulator on toolchain 1.91.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/s-ylide/cpuex2022-7-simulator 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded anstyle-parse v0.2.1 [INFO] [stderr] Downloaded io-lifetimes v1.0.3 [INFO] [stderr] Downloaded bitmask-enum v2.1.0 [INFO] [stderr] Downloaded num_enum v0.7.0 [INFO] [stderr] Downloaded anstyle v1.0.2 [INFO] [stderr] Downloaded heck v0.4.0 [INFO] [stderr] Downloaded anstyle-query v1.0.0 [INFO] [stderr] Downloaded clap v4.4.1 [INFO] [stderr] Downloaded anstream v0.5.0 [INFO] [stderr] Downloaded bitflags v2.4.0 [INFO] [stderr] Downloaded proc-macro-crate v1.3.0 [INFO] [stderr] Downloaded clap_derive v4.4.0 [INFO] [stderr] Downloaded toml_datetime v0.5.1 [INFO] [stderr] Downloaded peg-macros v0.8.1 [INFO] [stderr] Downloaded peg v0.8.1 [INFO] [stderr] Downloaded terminal_size v0.2.3 [INFO] [stderr] Downloaded errno-dragonfly v0.1.2 [INFO] [stderr] Downloaded rustix v0.36.6 [INFO] [stderr] Downloaded windows-sys v0.42.0 [INFO] [stderr] Downloaded libc v0.2.137 [INFO] [stderr] Downloaded serde_derive v1.0.188 [INFO] [stderr] Downloaded windows_aarch64_msvc v0.42.0 [INFO] [stderr] Downloaded which v4.4.0 [INFO] [stderr] Downloaded hermit-abi v0.2.6 [INFO] [stderr] Downloaded windows_aarch64_gnullvm v0.42.0 [INFO] [stderr] Downloaded regex v1.7.0 [INFO] [stderr] Downloaded windows_i686_gnu v0.42.0 [INFO] [stderr] Downloaded nom v7.1.1 [INFO] [stderr] Downloaded errno v0.2.8 [INFO] [stderr] Downloaded windows_i686_msvc v0.42.0 [INFO] [stderr] Downloaded aho-corasick v0.7.20 [INFO] [stderr] Downloaded linux-raw-sys v0.1.4 [INFO] [stderr] Downloaded is-terminal v0.4.2 [INFO] [stderr] Downloaded indexmap v1.9.2 [INFO] [stderr] Downloaded windows_x86_64_msvc v0.42.0 [INFO] [stderr] Downloaded clap_builder v4.4.1 [INFO] [stderr] Downloaded serde v1.0.188 [INFO] [stderr] Downloaded nom8 v0.2.0 [INFO] [stderr] Downloaded toml_edit v0.18.0 [INFO] [stderr] Downloaded peg-runtime v0.8.1 [INFO] [stderr] Downloaded anyhow v1.0.65 [INFO] [stderr] Downloaded windows_x86_64_gnu v0.42.0 [INFO] [stderr] Downloaded clang-sys v1.6.1 [INFO] [stderr] Downloaded prettyplease v0.2.12 [INFO] [stderr] Downloaded cc v1.0.78 [INFO] [stderr] Downloaded windows_x86_64_gnullvm v0.42.0 [INFO] [stderr] Downloaded regex-syntax v0.6.28 [INFO] [stderr] Downloaded env_logger v0.10.0 [INFO] [stderr] Downloaded syn v2.0.29 [INFO] [stderr] Downloaded serde_json v1.0.91 [INFO] [stderr] Downloaded clap_lex v0.5.1 [INFO] [stderr] Downloaded shlex v1.1.0 [INFO] [stderr] Downloaded bindgen v0.66.1 [INFO] [stderr] Downloaded num_enum_derive v0.7.0 [INFO] [stderr] Downloaded syn v1.0.102 [INFO] [stderr] Downloaded thiserror v1.0.37 [INFO] [stderr] Downloaded unicode-ident v1.0.5 [INFO] [stderr] Downloaded thiserror-impl v1.0.37 [INFO] [stderr] Downloaded once_cell v1.16.0 [INFO] [stderr] Downloaded anstyle-wincon v2.1.0 [INFO] [stderr] Downloaded ryu v1.0.12 [INFO] [stderr] Downloaded itoa v1.0.5 [INFO] [stderr] Downloaded proc-macro2 v1.0.66 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0e0ce61729c655ab17c5e341b84a9d007470a9318560763a8d3a7cda258eb4cd [INFO] running `Command { std: "docker" "start" "-a" "0e0ce61729c655ab17c5e341b84a9d007470a9318560763a8d3a7cda258eb4cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0e0ce61729c655ab17c5e341b84a9d007470a9318560763a8d3a7cda258eb4cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e0ce61729c655ab17c5e341b84a9d007470a9318560763a8d3a7cda258eb4cd", kill_on_drop: false }` [INFO] [stdout] 0e0ce61729c655ab17c5e341b84a9d007470a9318560763a8d3a7cda258eb4cd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cb6687c72b4419170fa274ddd42eda79d81e3cd36fc937471da48ce409b60847 [INFO] running `Command { std: "docker" "start" "-a" "cb6687c72b4419170fa274ddd42eda79d81e3cd36fc937471da48ce409b60847", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.5 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling io-lifetimes v1.0.3 [INFO] [stderr] Compiling minimal-lexical v0.2.1 [INFO] [stderr] Compiling prettyplease v0.2.12 [INFO] [stderr] Compiling hashbrown v0.12.3 [INFO] [stderr] Compiling rustix v0.36.6 [INFO] [stderr] Compiling syn v1.0.102 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling indexmap v1.9.2 [INFO] [stderr] Compiling libloading v0.7.4 [INFO] [stderr] Compiling toml_datetime v0.5.1 [INFO] [stderr] Compiling once_cell v1.16.0 [INFO] [stderr] Compiling regex-syntax v0.6.28 [INFO] [stderr] Compiling linux-raw-sys v0.1.4 [INFO] [stderr] Compiling either v1.9.0 [INFO] [stderr] Compiling bindgen v0.66.1 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling bitflags v2.4.0 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling shlex v1.1.0 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling clang-sys v1.6.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling serde v1.0.188 [INFO] [stderr] Compiling anstyle-parse v0.2.1 [INFO] [stderr] Compiling serde_json v1.0.91 [INFO] [stderr] Compiling anstyle-query v1.0.0 [INFO] [stderr] Compiling anyhow v1.0.65 [INFO] [stderr] Compiling nom8 v0.2.0 [INFO] [stderr] Compiling nom v7.1.1 [INFO] [stderr] Compiling cc v1.0.78 [INFO] [stderr] Compiling anstyle v1.0.2 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling thiserror v1.0.37 [INFO] [stderr] Compiling anstream v0.5.0 [INFO] [stderr] Compiling syn v2.0.29 [INFO] [stderr] Compiling which v4.4.0 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling itoa v1.0.5 [INFO] [stderr] Compiling clap_lex v0.5.1 [INFO] [stderr] Compiling peg-runtime v0.8.1 [INFO] [stderr] Compiling aho-corasick v0.7.20 [INFO] [stderr] Compiling termcolor v1.1.3 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling ryu v1.0.12 [INFO] [stderr] Compiling clap_builder v4.4.1 [INFO] [stderr] Compiling peg-macros v0.8.1 [INFO] [stderr] Compiling regex v1.7.0 [INFO] [stderr] Compiling peg v0.8.1 [INFO] [stderr] Compiling toml_edit v0.18.0 [INFO] [stderr] Compiling is-terminal v0.4.2 [INFO] [stderr] Compiling terminal_size v0.2.3 [INFO] [stderr] Compiling cexpr v0.6.0 [INFO] [stderr] Compiling env_logger v0.10.0 [INFO] [stderr] Compiling thiserror-impl v1.0.37 [INFO] [stderr] Compiling bitmask-enum v2.1.0 [INFO] [stderr] Compiling proc-macro-crate v1.3.0 [INFO] [stderr] Compiling serde_derive v1.0.188 [INFO] [stderr] Compiling num_enum_derive v0.7.0 [INFO] [stderr] Compiling clap_derive v4.4.0 [INFO] [stderr] Compiling num_enum v0.7.0 [INFO] [stderr] Compiling clap v4.4.1 [INFO] [stderr] Compiling core_sim v0.1.0 (/opt/rustwide/workdir/core_sim) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> core_sim/src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(variant_count)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> core_sim/src/instr.rs:110:22 [INFO] [stdout] | [INFO] [stdout] 110 | 4 => write!(f, "{}", PInstr::unchecked_transmute_from(lower)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^---------------------------------------^ [INFO] [stdout] | | | [INFO] [stdout] | | any code following this expression is unreachable [INFO] [stdout] | unreachable expression [INFO] [stdout] | [INFO] [stdout] note: this expression has type `PInstr`, which is uninhabited [INFO] [stdout] --> core_sim/src/instr.rs:110:38 [INFO] [stdout] | [INFO] [stdout] 110 | 4 => write!(f, "{}", PInstr::unchecked_transmute_from(lower)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> core_sim/src/instr.rs:119:22 [INFO] [stdout] | [INFO] [stdout] 119 | 8 => write!(f, "{}", GInstr::unchecked_transmute_from(lower)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^---------------------------------------^ [INFO] [stdout] | | | [INFO] [stdout] | | any code following this expression is unreachable [INFO] [stdout] | unreachable expression [INFO] [stdout] | [INFO] [stdout] note: this expression has type `GInstr`, which is uninhabited [INFO] [stdout] --> core_sim/src/instr.rs:119:38 [INFO] [stdout] | [INFO] [stdout] 119 | 8 => write!(f, "{}", GInstr::unchecked_transmute_from(lower)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `core_sim` (lib) due to 1 previous error; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "cb6687c72b4419170fa274ddd42eda79d81e3cd36fc937471da48ce409b60847", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb6687c72b4419170fa274ddd42eda79d81e3cd36fc937471da48ce409b60847", kill_on_drop: false }` [INFO] [stdout] cb6687c72b4419170fa274ddd42eda79d81e3cd36fc937471da48ce409b60847