[INFO] cloning repository https://github.com/LDSLab/stoicheia
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LDSLab/stoicheia" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLDSLab%2Fstoicheia", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLDSLab%2Fstoicheia'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e6e6241639b419b7528232a8cb528c9985c7fb7d
[INFO] documenting LDSLab/stoicheia 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%2FLDSLab%2Fstoicheia" "/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/LDSLab/stoicheia 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/LDSLab/stoicheia
[INFO] finished tweaking git repo https://github.com/LDSLab/stoicheia
[INFO] tweaked toml for git repo https://github.com/LDSLab/stoicheia written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/LDSLab/stoicheia 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 inventory v0.1.5
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.58
[INFO] [stderr]   Downloaded noisy_float v0.1.12
[INFO] [stderr]   Downloaded alloc-stdlib v0.2.1
[INFO] [stderr]   Downloaded alloc-no-stdlib v2.0.1
[INFO] [stderr]   Downloaded array-macro v1.0.4
[INFO] [stderr]   Downloaded indoc-impl v0.3.4
[INFO] [stderr]   Downloaded numpy v0.7.0
[INFO] [stderr]   Downloaded web-sys v0.3.35
[INFO] [stderr]   Downloaded brotli-decompressor v2.3.0
[INFO] [stderr]   Downloaded ndarray-stats v0.3.0
[INFO] [stderr]   Downloaded inventory-impl v0.1.5
[INFO] [stderr]   Downloaded thiserror-impl v1.0.11
[INFO] [stderr]   Downloaded brotli v3.3.0
[INFO] [stderr]   Downloaded indoc v0.3.4
[INFO] [stderr]   Downloaded bstr v0.2.11
[INFO] [stderr]   Downloaded js-sys v0.3.35
[INFO] [stderr]   Downloaded thiserror v1.0.11
[INFO] [stderr]   Downloaded syn v1.0.15
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffaa7d5207d2a95b07223678c0b929f11acccd93de0084ba0061086b5f7c861c
[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" "ffaa7d5207d2a95b07223678c0b929f11acccd93de0084ba0061086b5f7c861c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffaa7d5207d2a95b07223678c0b929f11acccd93de0084ba0061086b5f7c861c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffaa7d5207d2a95b07223678c0b929f11acccd93de0084ba0061086b5f7c861c", kill_on_drop: false }`
[INFO] [stdout] ffaa7d5207d2a95b07223678c0b929f11acccd93de0084ba0061086b5f7c861c
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/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] faccc1a3d02b3804ee50260c39bdfe9052ec4e85b8af3df277782f873a906bc7
[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" "faccc1a3d02b3804ee50260c39bdfe9052ec4e85b8af3df277782f873a906bc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.15
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling bytecount v0.4.0
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.1
[INFO] [stderr]     Checking array-macro v1.0.4
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling lz4-sys v1.8.3
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking noisy_float v0.1.12
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking alloc-stdlib v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking brotli-decompressor v2.3.0
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking brotli v3.3.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking ndarray-stats v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.11
[INFO] [stderr]     Checking enum-map v0.6.2
[INFO] [stderr]     Checking thiserror v1.0.11
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling lz4 v1.23.1
[INFO] [stderr]     Checking rusqlite v0.21.0
[INFO] [stderr]  Documenting stoicheia v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(is_sorted, result_cloned)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[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 `stoicheia`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-type cdylib --crate-name stoicheia src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern approx=/opt/rustwide/target/debug/deps/libapprox-5f20e0ee75ce1f24.rmeta --extern arrayvec=/opt/rustwide/target/debug/deps/libarrayvec-77f4ef9a8070a1fd.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-183c568d0027e6dc.rmeta --extern brotli=/opt/rustwide/target/debug/deps/libbrotli-a3faac292e309722.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-cf3a3080d8d01ffd.rmeta --extern enum_map=/opt/rustwide/target/debug/deps/libenum_map-93a814963a7a9bf7.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-6973353daf880242.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-5e37eee3e84fafab.rmeta --extern lz4=/opt/rustwide/target/debug/deps/liblz4-44d8c85568e285c0.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-d4d5f540749870f4.rmeta --extern ndarray_stats=/opt/rustwide/target/debug/deps/libndarray_stats-1e272a37c1018deb.rmeta --extern noisy_float=/opt/rustwide/target/debug/deps/libnoisy_float-2919e8e3abddd7ea.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-2c271c93b532e19f.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-580bcdc14ef0e247.rmeta --extern rusqlite=/opt/rustwide/target/debug/deps/librusqlite-d82b413cfee8e673.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-95e24f9d8e6ebf10.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-dcc4ef8a77830c8e.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-4693188da06f87e9.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-c0e143f5a34f1a01.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "faccc1a3d02b3804ee50260c39bdfe9052ec4e85b8af3df277782f873a906bc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faccc1a3d02b3804ee50260c39bdfe9052ec4e85b8af3df277782f873a906bc7", kill_on_drop: false }`
[INFO] [stdout] faccc1a3d02b3804ee50260c39bdfe9052ec4e85b8af3df277782f873a906bc7
