[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 1.54.0 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-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LDSLab/stoicheia 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/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-13/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" "+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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3f3535ca070242b006d5fd9f4e137685948ba71ee19ca08fa2fc24a13dbb332c
[INFO] running `Command { std: "docker" "start" "-a" "3f3535ca070242b006d5fd9f4e137685948ba71ee19ca08fa2fc24a13dbb332c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f3535ca070242b006d5fd9f4e137685948ba71ee19ca08fa2fc24a13dbb332c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f3535ca070242b006d5fd9f4e137685948ba71ee19ca08fa2fc24a13dbb332c", kill_on_drop: false }`
[INFO] [stdout] 3f3535ca070242b006d5fd9f4e137685948ba71ee19ca08fa2fc24a13dbb332c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 58068f50f909b5a7bbce007a38f6bfc3b40f58fddcb82d58451bbb1de6739c47
[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" "58068f50f909b5a7bbce007a38f6bfc3b40f58fddcb82d58451bbb1de6739c47", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.15
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.1
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]     Checking array-macro v1.0.4
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling lz4-sys v1.8.3
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.1
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking approx v0.3.2
[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]    Compiling backtrace v0.3.46
[INFO] [stderr]     Checking brotli-decompressor v2.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.10
[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 thiserror-impl v1.0.11
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
[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 stable 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-d8039229f06e9e6a.rmeta --extern arrayvec=/opt/rustwide/target/debug/deps/libarrayvec-f2cd2c5e96178f40.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-2fd9ecc7c683a0d1.rmeta --extern brotli=/opt/rustwide/target/debug/deps/libbrotli-b1a4698f4daf325b.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-038b0fa02253d7d6.rmeta --extern enum_map=/opt/rustwide/target/debug/deps/libenum_map-f31981d929580f72.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-8965a3d9bbcd50d2.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-acd7d23482fe8b54.rmeta --extern lz4=/opt/rustwide/target/debug/deps/liblz4-807017f5ff317353.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-225edcf0f4b88597.rmeta --extern ndarray_stats=/opt/rustwide/target/debug/deps/libndarray_stats-a3e3c48e5750fa86.rmeta --extern noisy_float=/opt/rustwide/target/debug/deps/libnoisy_float-e5bda26ed22ec791.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-72821cb1e27b501f.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-96108f3dfb211084.rmeta --extern rusqlite=/opt/rustwide/target/debug/deps/librusqlite-29211b16d00a4155.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-290adf5f15dd4dc4.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-166bb190a40493ee.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-59abdc3a0f25a3ad.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e89ea7a8711c3738.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "58068f50f909b5a7bbce007a38f6bfc3b40f58fddcb82d58451bbb1de6739c47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58068f50f909b5a7bbce007a38f6bfc3b40f58fddcb82d58451bbb1de6739c47", kill_on_drop: false }`
[INFO] [stdout] 58068f50f909b5a7bbce007a38f6bfc3b40f58fddcb82d58451bbb1de6739c47
