[INFO] cloning repository https://github.com/xTibor/fuse-softpatch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xTibor/fuse-softpatch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxTibor%2Ffuse-softpatch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxTibor%2Ffuse-softpatch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 59d83a2b4d44dd6592bd4ab7290050dfa8df2e8e
[INFO] documenting xTibor/fuse-softpatch against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxTibor%2Ffuse-softpatch" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xTibor/fuse-softpatch on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xTibor/fuse-softpatch
[INFO] finished tweaking git repo https://github.com/xTibor/fuse-softpatch
[INFO] tweaked toml for git repo https://github.com/xTibor/fuse-softpatch written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/xTibor/fuse-softpatch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.1.14
[INFO] [stderr]   Downloaded syn v1.0.33
[INFO] [stderr]   Downloaded crc v1.8.1
[INFO] [stderr]   Downloaded build_const v0.2.1
[INFO] [stderr]   Downloaded loom v0.3.4
[INFO] [stderr]   Downloaded pkg-config v0.3.17
[INFO] [stderr]   Downloaded cc v1.0.56
[INFO] [stderr]   Downloaded num_enum_derive v0.5.0
[INFO] [stderr]   Downloaded inotify v0.8.3
[INFO] [stderr]   Downloaded tokio v0.2.21
[INFO] [stderr]   Downloaded libc v0.2.71
[INFO] [stderr]   Downloaded pretty_env_logger v0.4.0
[INFO] [stderr]   Downloaded thread-scoped v1.0.2
[INFO] [stderr]   Downloaded fuse v0.3.1
[INFO] [stderr]   Downloaded inotify-sys v0.1.3
[INFO] [stderr]   Downloaded generator v0.6.21
[INFO] [stderr]   Downloaded scoped-tls v0.1.2
[INFO] [stderr]   Downloaded bytes v0.5.5
[INFO] [stderr]   Downloaded derivative v2.1.1
[INFO] [stderr]   Downloaded proc-macro-crate v0.1.4
[INFO] [stderr]   Downloaded toml v0.5.6
[INFO] [stderr]   Downloaded num_enum v0.5.0
[INFO] [stderr]   Downloaded fuse_mt v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "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] cad42db3d9314656d017d738c33c2c0ba3a131f7e1c51912ab985f80c846d2e5
[INFO] running `Command { std: "docker" "start" "-a" "cad42db3d9314656d017d738c33c2c0ba3a131f7e1c51912ab985f80c846d2e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cad42db3d9314656d017d738c33c2c0ba3a131f7e1c51912ab985f80c846d2e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cad42db3d9314656d017d738c33c2c0ba3a131f7e1c51912ab985f80c846d2e5", kill_on_drop: false }`
[INFO] [stdout] cad42db3d9314656d017d738c33c2c0ba3a131f7e1c51912ab985f80c846d2e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2278e80c5556548e903877ac5f5ac5ed7769ca5769d6bc897186ca3e636b0ef5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2278e80c5556548e903877ac5f5ac5ed7769ca5769d6bc897186ca3e636b0ef5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking inotify v0.8.3
[INFO] [stderr]     Checking fuse_mt v0.5.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling num_enum_derive v0.5.0
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]     Checking num_enum v0.5.0
[INFO] [stderr]  Documenting bps-fuse 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(seek_convenience)]
[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:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(slice_fill)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 `bps-fuse`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name bps_fuse src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-c605bb9f4f40a95b.rmeta --extern crc=/opt/rustwide/target/debug/deps/libcrc-d22e1f222e8e8f65.rmeta --extern fuse_mt=/opt/rustwide/target/debug/deps/libfuse_mt-d5c85a9de46a45b2.rmeta --extern inotify=/opt/rustwide/target/debug/deps/libinotify-5238cb37675dadf1.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-4c879150a4712f89.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-8cb8a4ba47ef9b79.rmeta --extern num_enum=/opt/rustwide/target/debug/deps/libnum_enum-8fdcfd12c239544b.rmeta --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-da2b618b6c170b39.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-4318c0a90636c5af.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "2278e80c5556548e903877ac5f5ac5ed7769ca5769d6bc897186ca3e636b0ef5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2278e80c5556548e903877ac5f5ac5ed7769ca5769d6bc897186ca3e636b0ef5", kill_on_drop: false }`
[INFO] [stdout] 2278e80c5556548e903877ac5f5ac5ed7769ca5769d6bc897186ca3e636b0ef5
