[INFO] cloning repository https://github.com/bczhc/leg-cpu-emulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bczhc/leg-cpu-emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbczhc%2Fleg-cpu-emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbczhc%2Fleg-cpu-emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29c76585ec7f0b62ee33a3fdb802719c5e1387b8
[INFO] checking bczhc/leg-cpu-emulator against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbczhc%2Fleg-cpu-emulator" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bczhc/leg-cpu-emulator
[INFO] finished tweaking git repo https://github.com/bczhc/leg-cpu-emulator
[INFO] tweaked toml for git repo https://github.com/bczhc/leg-cpu-emulator written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bczhc/leg-cpu-emulator on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bczhc/leg-cpu-emulator 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" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hex-literal v0.4.1
[INFO] [stderr]   Downloaded yeet-ops v1.0.0
[INFO] [stderr]   Downloaded clap v4.5.17
[INFO] [stderr]   Downloaded clap_builder v4.5.17
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b03e4696c594af46d481b468f8fdcd47d9906a4542f473b1ee7ecec8b6b6ca0c
[INFO] running `Command { std: "docker" "start" "-a" "b03e4696c594af46d481b468f8fdcd47d9906a4542f473b1ee7ecec8b6b6ca0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b03e4696c594af46d481b468f8fdcd47d9906a4542f473b1ee7ecec8b6b6ca0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b03e4696c594af46d481b468f8fdcd47d9906a4542f473b1ee7ecec8b6b6ca0c", kill_on_drop: false }`
[INFO] [stdout] b03e4696c594af46d481b468f8fdcd47d9906a4542f473b1ee7ecec8b6b6ca0c
[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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 566989003d37073d5af0bb39df0a91492ed882c2b6dcc560978e7ff78f60665a
[INFO] running `Command { std: "docker" "start" "-a" "566989003d37073d5af0bb39df0a91492ed882c2b6dcc560978e7ff78f60665a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling winnow v0.6.18
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]     Checking anstyle v1.0.8
[INFO] [stderr]     Checking colorchoice v1.0.2
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]     Checking anstyle-query v1.1.1
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking anstyle-parse v0.2.5
[INFO] [stderr]     Checking hex-literal v0.4.1
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking yeet-ops v1.0.0
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking clap_builder v4.5.17
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling indexmap v2.5.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling toml_edit v0.22.20
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]    Compiling proc-macro-crate v3.2.0
[INFO] [stderr]    Compiling clap_derive v4.5.13
[INFO] [stderr]    Compiling num_enum_derive v0.7.3
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]     Checking num_enum v0.7.3
[INFO] [stderr]     Checking clap v4.5.17
[INFO] [stderr]     Checking leg-cpu-emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/assembler.rs:106:20
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 if let Some(&length_name) = parts.get(2)
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/assembler.rs:106:20
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 if let Some(&length_name) = parts.get(2)
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/assembler.rs:313:16
[INFO] [stdout]     |
[INFO] [stdout] 313 |             if let Some(ref mut x) = current
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/assembler.rs:313:16
[INFO] [stdout]     |
[INFO] [stdout] 313 |             if let Some(ref mut x) = current
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `leg-cpu-emulator` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `leg-cpu-emulator` (lib) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "566989003d37073d5af0bb39df0a91492ed882c2b6dcc560978e7ff78f60665a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "566989003d37073d5af0bb39df0a91492ed882c2b6dcc560978e7ff78f60665a", kill_on_drop: false }`
[INFO] [stdout] 566989003d37073d5af0bb39df0a91492ed882c2b6dcc560978e7ff78f60665a
