[INFO] cloning repository https://github.com/guissalustiano/comonad_rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guissalustiano/comonad_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguissalustiano%2Fcomonad_rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguissalustiano%2Fcomonad_rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e497f1127b45e0fdc39c2b67986c8d79cf3f7fca [INFO] testing guissalustiano/comonad_rs against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguissalustiano%2Fcomonad_rs" "/workspace/builds/worker-16/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/guissalustiano/comonad_rs on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/guissalustiano/comonad_rs [INFO] finished tweaking git repo https://github.com/guissalustiano/comonad_rs [INFO] tweaked toml for git repo https://github.com/guissalustiano/comonad_rs written to /workspace/builds/worker-16/source/Cargo.toml [INFO] crate git repo https://github.com/guissalustiano/comonad_rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded nalgebra v0.26.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 295233c25f57100c0fb859b5030ff14e846a72339213cdf44eeb20c52fdb549e [INFO] running `Command { std: "docker" "start" "-a" "295233c25f57100c0fb859b5030ff14e846a72339213cdf44eeb20c52fdb549e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "295233c25f57100c0fb859b5030ff14e846a72339213cdf44eeb20c52fdb549e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "295233c25f57100c0fb859b5030ff14e846a72339213cdf44eeb20c52fdb549e", kill_on_drop: false }` [INFO] [stdout] 295233c25f57100c0fb859b5030ff14e846a72339213cdf44eeb20c52fdb549e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3c86f8d37309c31cc5ed889682d73559e5036b22e017ca253133d778459bce3c [INFO] running `Command { std: "docker" "start" "-a" "3c86f8d37309c31cc5ed889682d73559e5036b22e017ca253133d778459bce3c", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling syn v1.0.71 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling adler32 v1.2.0 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Compiling weezl v0.1.5 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling rawpointer v0.2.1 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling paste v1.0.5 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling color_quant v1.1.0 [INFO] [stderr] Compiling bytemuck v1.5.1 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 [INFO] [stderr] Compiling matrixmultiply v0.3.1 [INFO] [stderr] Compiling miniz_oxide v0.3.7 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling gif v0.11.2 [INFO] [stderr] Compiling deflate v0.8.6 [INFO] [stderr] Compiling crossbeam-utils v0.8.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling memoffset v0.6.3 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling png v0.16.8 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling num-complex v0.3.1 [INFO] [stderr] Compiling approx v0.4.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.4 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling simba v0.4.0 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Compiling jpeg-decoder v0.1.22 [INFO] [stderr] Compiling tiff v0.6.1 [INFO] [stderr] Compiling structopt v0.3.21 [INFO] [stderr] Compiling image v0.23.14 [INFO] [stderr] Compiling nalgebra v0.26.2 [INFO] [stderr] Compiling cellular_automata_comonad v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(in_band_lifetimes)] [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 `cellular_automata_comonad` due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "3c86f8d37309c31cc5ed889682d73559e5036b22e017ca253133d778459bce3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c86f8d37309c31cc5ed889682d73559e5036b22e017ca253133d778459bce3c", kill_on_drop: false }` [INFO] [stdout] 3c86f8d37309c31cc5ed889682d73559e5036b22e017ca253133d778459bce3c