[INFO] cloning repository https://github.com/kuririn246/sabun_data_model
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kuririn246/sabun_data_model" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuririn246%2Fsabun_data_model", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuririn246%2Fsabun_data_model'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b6b2e7611bf8a348b1d14d3b5d43ccc4d661212
[INFO] testing kuririn246/sabun_data_model against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuririn246%2Fsabun_data_model" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kuririn246/sabun_data_model 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/kuririn246/sabun_data_model
[INFO] finished tweaking git repo https://github.com/kuririn246/sabun_data_model
[INFO] tweaked toml for git repo https://github.com/kuririn246/sabun_data_model written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 404e3fa7fcf707b008fa8fb1a6e6ab0c9dfdd230e747f8a58e7089547b33492d
[INFO] running `Command { std: "docker" "start" "-a" "404e3fa7fcf707b008fa8fb1a6e6ab0c9dfdd230e747f8a58e7089547b33492d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "404e3fa7fcf707b008fa8fb1a6e6ab0c9dfdd230e747f8a58e7089547b33492d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "404e3fa7fcf707b008fa8fb1a6e6ab0c9dfdd230e747f8a58e7089547b33492d", kill_on_drop: false }`
[INFO] [stdout] 404e3fa7fcf707b008fa8fb1a6e6ab0c9dfdd230e747f8a58e7089547b33492d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 2e293fa2d4d997e8bd3cfb030b5a98613aa490e7b8ff642986149b615ce1ede3
[INFO] running `Command { std: "docker" "start" "-a" "2e293fa2d4d997e8bd3cfb030b5a98613aa490e7b8ff642986149b615ce1ede3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling general_compaction v0.1.0 (/opt/rustwide/workdir/general_compaction)
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling json5_parser v0.1.0 (/opt/rustwide/workdir/json5)
[INFO] [stderr]    Compiling sabun_maker v0.1.0 (/opt/rustwide/workdir/sabun_maker)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> sabun_maker/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[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 `sabun_maker` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2e293fa2d4d997e8bd3cfb030b5a98613aa490e7b8ff642986149b615ce1ede3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e293fa2d4d997e8bd3cfb030b5a98613aa490e7b8ff642986149b615ce1ede3", kill_on_drop: false }`
[INFO] [stdout] 2e293fa2d4d997e8bd3cfb030b5a98613aa490e7b8ff642986149b615ce1ede3