[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 1.54.0 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-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xTibor/fuse-softpatch on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-2/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" "+1.54.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b585d270e6d98f82224253ecab25d272169eafbf6417510d68c5c7492d20f5b
[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" "3b585d270e6d98f82224253ecab25d272169eafbf6417510d68c5c7492d20f5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b585d270e6d98f82224253ecab25d272169eafbf6417510d68c5c7492d20f5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b585d270e6d98f82224253ecab25d272169eafbf6417510d68c5c7492d20f5b", kill_on_drop: false }`
[INFO] [stdout] 3b585d270e6d98f82224253ecab25d272169eafbf6417510d68c5c7492d20f5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df973df898289178be6c1e4a4814b2c1e7a210e2ff597518f99967aaccdf68bc
[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" "df973df898289178be6c1e4a4814b2c1e7a210e2ff597518f99967aaccdf68bc", 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]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]     Checking inotify-sys v0.1.3
[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 derivative v2.1.1
[INFO] [stderr]    Compiling num_enum_derive v0.5.0
[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 stable 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 stable 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-461198e3a3e1689c.rmeta --extern crc=/opt/rustwide/target/debug/deps/libcrc-d6022a81f1e1338a.rmeta --extern fuse_mt=/opt/rustwide/target/debug/deps/libfuse_mt-0427e2fa3f352209.rmeta --extern inotify=/opt/rustwide/target/debug/deps/libinotify-f021917c131c6443.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-0e6bc5c118a4164a.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-3350f96749421cbd.rmeta --extern num_enum=/opt/rustwide/target/debug/deps/libnum_enum-2e7726f91bddcd9d.rmeta --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-4445d957461431ff.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-8b0468e064ffed14.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "df973df898289178be6c1e4a4814b2c1e7a210e2ff597518f99967aaccdf68bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df973df898289178be6c1e4a4814b2c1e7a210e2ff597518f99967aaccdf68bc", kill_on_drop: false }`
[INFO] [stdout] df973df898289178be6c1e4a4814b2c1e7a210e2ff597518f99967aaccdf68bc
