[INFO] cloning repository https://github.com/Celti/zero-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Celti/zero-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCelti%2Fzero-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCelti%2Fzero-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc2d872c008c8c6fea0859179ed86837ff12b868
[INFO] documenting Celti/zero-rs against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCelti%2Fzero-rs" "/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/Celti/zero-rs on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Celti/zero-rs
[INFO] finished tweaking git repo https://github.com/Celti/zero-rs
[INFO] tweaked toml for git repo https://github.com/Celti/zero-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Celti/zero-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded magic v0.12.2
[INFO] [stderr]   Downloaded mustache v0.8.2
[INFO] [stderr]   Downloaded pretty_env_logger v0.2.4
[INFO] [stderr]   Downloaded buf_redux v0.7.1
[INFO] [stderr]   Downloaded tungstenite v0.6.0
[INFO] [stderr]   Downloaded warp v0.1.4
[INFO] [stderr]   Downloaded multipart v0.15.3
[INFO] [stderr]   Downloaded nickel v0.10.1
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b05ff5561ddaf7e3fa740e0400ac18c776653f7f63eb31ddbabd4086698d1f46
[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" "b05ff5561ddaf7e3fa740e0400ac18c776653f7f63eb31ddbabd4086698d1f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b05ff5561ddaf7e3fa740e0400ac18c776653f7f63eb31ddbabd4086698d1f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b05ff5561ddaf7e3fa740e0400ac18c776653f7f63eb31ddbabd4086698d1f46", kill_on_drop: false }`
[INFO] [stdout] b05ff5561ddaf7e3fa740e0400ac18c776653f7f63eb31ddbabd4086698d1f46
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61395b05d862c0aa060567737fdb2e4fef337551717af068ca5be155940f770c
[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" "61395b05d862c0aa060567737fdb2e4fef337551717af068ca5be155940f770c", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking futures v0.1.24
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]     Checking lazycell v1.2.0
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking utf8-ranges v1.0.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking indexmap v1.0.1
[INFO] [stderr]     Checking string v0.1.1
[INFO] [stderr]     Checking groupable v0.2.0
[INFO] [stderr]     Checking ascii v0.8.7
[INFO] [stderr]     Checking utf-8 v0.7.4
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking data-encoding v2.1.1
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking slice-deque v0.1.13
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling ring v0.13.2
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.0
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking log-panics v2.0.0
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]     Checking magic-sys v0.2.0
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking r2d2 v0.8.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking mustache v0.8.2
[INFO] [stderr]     Checking magic v0.12.2
[INFO] [stderr]     Checking http v0.1.13
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking phf v0.7.23
[INFO] [stderr]     Checking tokio-executor v0.1.5
[INFO] [stderr]     Checking tokio-io v0.1.9
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking mime v0.3.9
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking sha-1 v0.7.0
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking buf_redux v0.7.1
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]     Checking tokio-current-thread v0.1.3
[INFO] [stderr]     Checking tokio-timer v0.2.7
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]     Checking tokio-threadpool v0.1.7
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.2
[INFO] [stderr]     Checking tokio-fs v0.1.3
[INFO] [stderr]     Checking hyper v0.10.13
[INFO] [stderr]     Checking tungstenite v0.6.0
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking tiny_http v0.6.0
[INFO] [stderr]     Checking h2 v0.1.12
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking pretty_env_logger v0.2.4
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]     Checking iron v0.6.0
[INFO] [stderr]     Checking nickel v0.10.1
[INFO] [stderr]     Checking serde_urlencoded v0.5.3
[INFO] [stderr]     Checking serde_json v1.0.31
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling diesel_derives v1.3.0
[INFO] [stderr]     Checking hyper v0.12.11
[INFO] [stderr]     Checking multipart v0.15.3
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]     Checking dotenv v0.13.0
[INFO] [stderr]     Checking warp v0.1.4
[INFO] [stderr]     Checking diesel v1.3.3
[INFO] [stderr]  Documenting zero v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_to_from_bytes)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(tool_lints)]
[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 `zero`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name zero 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 bytes=/opt/rustwide/target/debug/deps/libbytes-d009b973245ba521.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-9d0778c259971865.rmeta --extern data_encoding=/opt/rustwide/target/debug/deps/libdata_encoding-26233200cfaaa12e.rmeta --extern diesel=/opt/rustwide/target/debug/deps/libdiesel-82c7fb045cf358bb.rmeta --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-6f48e6c6acaae1ba.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-a6c77fc21d67f3fe.rmeta --extern http=/opt/rustwide/target/debug/deps/libhttp-5e254cf4359bd042.rmeta --extern hyper=/opt/rustwide/target/debug/deps/libhyper-86e6e9e6d40a5746.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-ff3c67c44de67b58.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-ea61b432fc6209df.rmeta --extern log_panics=/opt/rustwide/target/debug/deps/liblog_panics-cffe7490efc7a3b2.rmeta --extern magic=/opt/rustwide/target/debug/deps/libmagic-2fefeb0ef1e94f96.rmeta --extern mime=/opt/rustwide/target/debug/deps/libmime-908e12030ecc271a.rmeta --extern mime_guess=/opt/rustwide/target/debug/deps/libmime_guess-c02cc46467dcbd2e.rmeta --extern multipart=/opt/rustwide/target/debug/deps/libmultipart-e05bf7ba0885747a.rmeta --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-35f059b5406ea263.rmeta --extern ring=/opt/rustwide/target/debug/deps/libring-f099d31785d97369.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-b02c21a41212ded3.rmeta --extern warp=/opt/rustwide/target/debug/deps/libwarp-4f1429c016177a37.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "61395b05d862c0aa060567737fdb2e4fef337551717af068ca5be155940f770c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61395b05d862c0aa060567737fdb2e4fef337551717af068ca5be155940f770c", kill_on_drop: false }`
[INFO] [stdout] 61395b05d862c0aa060567737fdb2e4fef337551717af068ca5be155940f770c