[INFO] cloning repository https://github.com/hakatashi/nine-grids-shogi-analyzer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hakatashi/nine-grids-shogi-analyzer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhakatashi%2Fnine-grids-shogi-analyzer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhakatashi%2Fnine-grids-shogi-analyzer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12d6c5dfd59199b903e1ffa022cd19349a9c01a9
[INFO] testing hakatashi/nine-grids-shogi-analyzer against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhakatashi%2Fnine-grids-shogi-analyzer" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hakatashi/nine-grids-shogi-analyzer on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hakatashi/nine-grids-shogi-analyzer
[INFO] finished tweaking git repo https://github.com/hakatashi/nine-grids-shogi-analyzer
[INFO] tweaked toml for git repo https://github.com/hakatashi/nine-grids-shogi-analyzer written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/hakatashi/nine-grids-shogi-analyzer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59e0f281f44843315f9947128442e33970d79aecb9c0b73f0d6c6b73a1e5292e
[INFO] running `Command { std: "docker" "start" "-a" "59e0f281f44843315f9947128442e33970d79aecb9c0b73f0d6c6b73a1e5292e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59e0f281f44843315f9947128442e33970d79aecb9c0b73f0d6c6b73a1e5292e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59e0f281f44843315f9947128442e33970d79aecb9c0b73f0d6c6b73a1e5292e", kill_on_drop: false }`
[INFO] [stdout] 59e0f281f44843315f9947128442e33970d79aecb9c0b73f0d6c6b73a1e5292e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3214834ea9ee92af7b5f3e87c53a71b9b996e7c32957ba4e4f1ef10bfc241c44
[INFO] running `Command { std: "docker" "start" "-a" "3214834ea9ee92af7b5f3e87c53a71b9b996e7c32957ba4e4f1ef10bfc241c44", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling dtoa v0.4.7
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling ahash v0.7.2
[INFO] [stderr]    Compiling tinyvec v1.1.1
[INFO] [stderr]    Compiling libsqlite3-sys v0.22.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling combine v4.6.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling integer-sqrt v0.1.5
[INFO] [stderr]    Compiling idna v0.2.2
[INFO] [stderr]    Compiling hashlink v0.7.0
[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]    Compiling redis v0.21.0
[INFO] [stderr]    Compiling rusqlite v0.25.3
[INFO] [stderr]    Compiling nine-grids-shogi-analyzer v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(non_ascii_idents, range_contains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `non_ascii_idents` has been stable since 1.53.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nine-grids-shogi-analyzer` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3214834ea9ee92af7b5f3e87c53a71b9b996e7c32957ba4e4f1ef10bfc241c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3214834ea9ee92af7b5f3e87c53a71b9b996e7c32957ba4e4f1ef10bfc241c44", kill_on_drop: false }`
[INFO] [stdout] 3214834ea9ee92af7b5f3e87c53a71b9b996e7c32957ba4e4f1ef10bfc241c44