[INFO] cloning repository https://github.com/r3v2d0g/pr0j3c75 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/r3v2d0g/pr0j3c75" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr3v2d0g%2Fpr0j3c75", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr3v2d0g%2Fpr0j3c75'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 716f756c6a9f9c9d16377a94387bbe78fbb8d810 [INFO] documenting r3v2d0g/pr0j3c75 against 1.61.0 for beta-1.62-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr3v2d0g%2Fpr0j3c75" "/workspace/builds/worker-39/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-39/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/r3v2d0g/pr0j3c75 on toolchain 1.61.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/r3v2d0g/pr0j3c75 [INFO] finished tweaking git repo https://github.com/r3v2d0g/pr0j3c75 [INFO] tweaked toml for git repo https://github.com/r3v2d0g/pr0j3c75 written to /workspace/builds/worker-39/source/Cargo.toml [INFO] crate git repo https://github.com/r3v2d0g/pr0j3c75 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded users v0.11.0 [INFO] [stderr] Downloaded fuser v0.6.0 [INFO] [stderr] Downloaded pico-args v0.3.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3f75bbf82026d1a07ae9f111622a05583cfd95fb5a7061c8e8c2e611e517711e [INFO] running `Command { std: "docker" "start" "-a" "3f75bbf82026d1a07ae9f111622a05583cfd95fb5a7061c8e8c2e611e517711e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3f75bbf82026d1a07ae9f111622a05583cfd95fb5a7061c8e8c2e611e517711e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f75bbf82026d1a07ae9f111622a05583cfd95fb5a7061c8e8c2e611e517711e", kill_on_drop: false }` [INFO] [stdout] 3f75bbf82026d1a07ae9f111622a05583cfd95fb5a7061c8e8c2e611e517711e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7319953b011ecd72d75ed26319703376afeab6fb0a7cbb79648e917e246bff3d [INFO] running `Command { std: "docker" "start" "-a" "7319953b011ecd72d75ed26319703376afeab6fb0a7cbb79648e917e246bff3d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling syn v1.0.55 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking humantime v2.0.1 [INFO] [stderr] Checking pico-args v0.3.4 [INFO] [stderr] Compiling fuser v0.6.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking users v0.11.0 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Checking env_logger v0.8.2 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Documenting pr0j3c75 v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/main.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | #![feature(option_expect_none)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `option_expect_none` [INFO] [stdout] --> src/main.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | #![feature(option_expect_none)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0635. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not document `pr0j3c75` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name pr0j3c75 src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=4f3ae8ee7c44d9a5 -L dependency=/opt/rustwide/target/debug/deps --extern either=/opt/rustwide/target/debug/deps/libeither-bfd18a3a5464db9f.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-ed4ef5f30824e97e.rmeta --extern fuser=/opt/rustwide/target/debug/deps/libfuser-12f0d5c7f125086b.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-81e91d490a4ff1aa.rmeta --extern pico_args=/opt/rustwide/target/debug/deps/libpico_args-96def9d7a1013631.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-1d853a6c7bf7ea2e.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-aed33aa6b3834e69.rmeta --cap-lints=warn --crate-version 0.0.0` (exit status: 1) [INFO] running `Command { std: "docker" "inspect" "7319953b011ecd72d75ed26319703376afeab6fb0a7cbb79648e917e246bff3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7319953b011ecd72d75ed26319703376afeab6fb0a7cbb79648e917e246bff3d", kill_on_drop: false }` [INFO] [stdout] 7319953b011ecd72d75ed26319703376afeab6fb0a7cbb79648e917e246bff3d