[INFO] cloning repository https://github.com/BenEdridge/fast-file-tracker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BenEdridge/fast-file-tracker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenEdridge%2Ffast-file-tracker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenEdridge%2Ffast-file-tracker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d06ee8c8ce43f4c41e5c92b009ed78ccbf2cf120
[INFO] documenting BenEdridge/fast-file-tracker 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%2FBenEdridge%2Ffast-file-tracker" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BenEdridge/fast-file-tracker 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/BenEdridge/fast-file-tracker
[INFO] finished tweaking git repo https://github.com/BenEdridge/fast-file-tracker
[INFO] tweaked toml for git repo https://github.com/BenEdridge/fast-file-tracker written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/BenEdridge/fast-file-tracker 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] f86e99bfe1b4cd5974104c064f15a77292430aaec6020efb3dec6fedae03772b
[INFO] running `Command { std: "docker" "start" "-a" "f86e99bfe1b4cd5974104c064f15a77292430aaec6020efb3dec6fedae03772b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f86e99bfe1b4cd5974104c064f15a77292430aaec6020efb3dec6fedae03772b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f86e99bfe1b4cd5974104c064f15a77292430aaec6020efb3dec6fedae03772b", kill_on_drop: false }`
[INFO] [stdout] f86e99bfe1b4cd5974104c064f15a77292430aaec6020efb3dec6fedae03772b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] a885ef0e8c51ecba39669fe916af2ca8de348c11b0029a57e895904862ca20e1
[INFO] running `Command { std: "docker" "start" "-a" "a885ef0e8c51ecba39669fe916af2ca8de348c11b0029a57e895904862ca20e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]     Checking futures-core v0.3.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking pin-project-lite v0.1.10
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling futures-sink v0.3.6
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking parking v2.0.0
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[INFO] [stderr]    Compiling regex-syntax v0.6.21
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[INFO] [stderr]     Checking ppv-lite86 v0.2.9
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[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]    Compiling whoami v0.9.0
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]     Checking thread_local v1.0.1
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[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling futures-channel v0.3.6
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
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[INFO] [stderr]     Checking async-channel v1.5.1
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[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking hashlink v0.6.0
[INFO] [stderr]     Checking futures-lite v1.11.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
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[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.35
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[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking async-io v1.1.10
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking ahash v0.5.8
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libsqlite3-sys v0.20.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking atoi v0.3.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking async-global-executor v1.4.0
[INFO] [stderr]     Checking sqlformat v0.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking async-std v1.6.5
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking twox-hash v1.6.0
[INFO] [stderr]     Checking jwalk v0.5.1
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]     Checking tokio-native-tls v0.1.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling futures-util v0.3.6
[INFO] [stderr]     Checking sqlx-rt v0.2.0
[INFO] [stderr]     Checking combine v4.3.2
[INFO] [stderr]    Compiling futures-executor v0.3.6
[INFO] [stderr]    Compiling futures v0.3.6
[INFO] [stderr]     Checking redis v0.17.0
[INFO] [stderr]    Compiling sqlx-core v0.4.0
[INFO] [stderr]     Checking rusqlite v0.24.1
[INFO] [stderr]    Compiling sqlx-macros v0.4.0
[INFO] [stderr]     Checking sqlx v0.4.1
[INFO] [stderr]  Documenting fast-file-tracker 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(async_closure)]
[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 `fast-file-tracker`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name fast_file_tracker 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 jwalk=/opt/rustwide/target/debug/deps/libjwalk-a3102e291ed2591c.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-529b7f7a49c62793.rmeta --extern redis=/opt/rustwide/target/debug/deps/libredis-d562c9d8587586e0.rmeta --extern rusqlite=/opt/rustwide/target/debug/deps/librusqlite-f67bc73a7dc08406.rmeta --extern sqlx=/opt/rustwide/target/debug/deps/libsqlx-497097dd9bc18e9a.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-b5acd47d23fad00e.rmeta --extern twox_hash=/opt/rustwide/target/debug/deps/libtwox_hash-27f9faa77f5b2856.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-1271b97e1b60eee8.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-40512846bdc44ee4.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a885ef0e8c51ecba39669fe916af2ca8de348c11b0029a57e895904862ca20e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a885ef0e8c51ecba39669fe916af2ca8de348c11b0029a57e895904862ca20e1", kill_on_drop: false }`
[INFO] [stdout] a885ef0e8c51ecba39669fe916af2ca8de348c11b0029a57e895904862ca20e1
