[INFO] cloning repository https://github.com/zbrachinara/nand2tetris-assembler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zbrachinara/nand2tetris-assembler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzbrachinara%2Fnand2tetris-assembler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzbrachinara%2Fnand2tetris-assembler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9044a61fb1b4e1405dcca2798911af58d4f719eb [INFO] documenting zbrachinara/nand2tetris-assembler against beta-2022-05-20 for beta-1.62-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzbrachinara%2Fnand2tetris-assembler" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zbrachinara/nand2tetris-assembler on toolchain beta-2022-05-20 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zbrachinara/nand2tetris-assembler [INFO] finished tweaking git repo https://github.com/zbrachinara/nand2tetris-assembler [INFO] tweaked toml for git repo https://github.com/zbrachinara/nand2tetris-assembler written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/zbrachinara/nand2tetris-assembler already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3f5a50626b0f6592eb770dcfce0abe965d6162a161d766d21a27eb675d9309f2 [INFO] running `Command { std: "docker" "start" "-a" "3f5a50626b0f6592eb770dcfce0abe965d6162a161d766d21a27eb675d9309f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3f5a50626b0f6592eb770dcfce0abe965d6162a161d766d21a27eb675d9309f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f5a50626b0f6592eb770dcfce0abe965d6162a161d766d21a27eb675d9309f2", kill_on_drop: false }` [INFO] [stdout] 3f5a50626b0f6592eb770dcfce0abe965d6162a161d766d21a27eb675d9309f2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a845fb74e48371a108ce1f9d0c58baef1d86af70efc8bbd40e8c46b59e99cac3 [INFO] running `Command { std: "docker" "start" "-a" "a845fb74e48371a108ce1f9d0c58baef1d86af70efc8bbd40e8c46b59e99cac3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling syn v1.0.89 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling rustversion v1.0.6 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking strum v0.24.0 [INFO] [stderr] Checking libc v0.2.121 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking nom v7.1.1 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking nom_locate v4.0.0 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling strum_macros v0.24.0 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Documenting nand2tetris-assembler v0.4.2 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(iter_intersperse)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/main.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(iterator_try_collect)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not document `nand2tetris-assembler` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name nand2tetris_assembler src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=868414ad84ca4891 -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-885ae3214f28c119.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-a12d848891dbb464.rmeta --extern nom_locate=/opt/rustwide/target/debug/deps/libnom_locate-d0b21006ff18bf02.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-657e8c74a15b4006.rmeta --extern strum=/opt/rustwide/target/debug/deps/libstrum-d67b98fbefe7095a.rmeta --extern strum_macros=/opt/rustwide/target/debug/deps/libstrum_macros-56939c73cc808200.so --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-41859b064f6e2662.rmeta --cap-lints=warn --crate-version 0.4.2` (exit status: 1) [INFO] running `Command { std: "docker" "inspect" "a845fb74e48371a108ce1f9d0c58baef1d86af70efc8bbd40e8c46b59e99cac3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a845fb74e48371a108ce1f9d0c58baef1d86af70efc8bbd40e8c46b59e99cac3", kill_on_drop: false }` [INFO] [stdout] a845fb74e48371a108ce1f9d0c58baef1d86af70efc8bbd40e8c46b59e99cac3