[INFO] cloning repository https://github.com/Jezza/astrospike
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jezza/astrospike" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJezza%2Fastrospike", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJezza%2Fastrospike'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b76e128b1faa09bb96c94c09c1a4d7bf31df232f
[INFO] documenting Jezza/astrospike 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%2FJezza%2Fastrospike" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jezza/astrospike 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/Jezza/astrospike
[INFO] finished tweaking git repo https://github.com/Jezza/astrospike
[INFO] tweaked toml for git repo https://github.com/Jezza/astrospike written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Jezza/astrospike 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 965029f1b67cbf86068436f620d3aecda8666bad24249a53c994cc0e926c71c2
[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" "965029f1b67cbf86068436f620d3aecda8666bad24249a53c994cc0e926c71c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "965029f1b67cbf86068436f620d3aecda8666bad24249a53c994cc0e926c71c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "965029f1b67cbf86068436f620d3aecda8666bad24249a53c994cc0e926c71c2", kill_on_drop: false }`
[INFO] [stdout] 965029f1b67cbf86068436f620d3aecda8666bad24249a53c994cc0e926c71c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ae7d50dffe0806cce8f15a9a15f634158de12970fef969f5742f7819c9fbda55
[INFO] running `Command { std: "docker" "start" "-a" "ae7d50dffe0806cce8f15a9a15f634158de12970fef969f5742f7819c9fbda55", kill_on_drop: false }`
[INFO] [stderr]    Compiling isahc v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking async-fs v1.5.0
[INFO] [stderr]     Checking pathfinding v2.2.1
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking structopt v0.3.22
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking sled v0.34.6
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking curl v0.4.38
[INFO] [stderr]     Checking async-net v1.6.1
[INFO] [stderr]     Checking async-process v1.1.0
[INFO] [stderr]     Checking smol v1.2.5
[INFO] [stderr]  Documenting astrospike 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(try_blocks)]
[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(duration_checked_float)]
[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:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(never_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 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 `astrospike`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name astrospike 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 anyhow=/opt/rustwide/target/debug/deps/libanyhow-c71486e08dde7454.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-8abcbd3b2b3fe127.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-be05c5804af68c66.rmeta --extern dirs=/opt/rustwide/target/debug/deps/libdirs-287bced13cf8b2b6.rmeta --extern isahc=/opt/rustwide/target/debug/deps/libisahc-d89b643dbc90da3f.rmeta --extern pathfinding=/opt/rustwide/target/debug/deps/libpathfinding-ba8634d4bd4890e6.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-4542bb366682d4a6.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-65f72577742abedc.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-6f77fbd06c8b7875.rmeta --extern sled=/opt/rustwide/target/debug/deps/libsled-73af5b15d5cf5e87.rmeta --extern smol=/opt/rustwide/target/debug/deps/libsmol-4702468417a3a127.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-83c9b051dc9bdaf5.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e6f46b178d972a75.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ae7d50dffe0806cce8f15a9a15f634158de12970fef969f5742f7819c9fbda55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae7d50dffe0806cce8f15a9a15f634158de12970fef969f5742f7819c9fbda55", kill_on_drop: false }`
[INFO] [stdout] ae7d50dffe0806cce8f15a9a15f634158de12970fef969f5742f7819c9fbda55
