[INFO] cloning repository https://github.com/ryanhossain9797/terminal_alpha_beta
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryanhossain9797/terminal_alpha_beta" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanhossain9797%2Fterminal_alpha_beta", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanhossain9797%2Fterminal_alpha_beta'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a3980db4f32393afa815d4bf150fead33206f65b
[INFO] documenting ryanhossain9797/terminal_alpha_beta against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanhossain9797%2Fterminal_alpha_beta" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ryanhossain9797/terminal_alpha_beta on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ryanhossain9797/terminal_alpha_beta
[INFO] finished tweaking git repo https://github.com/ryanhossain9797/terminal_alpha_beta
[INFO] tweaked toml for git repo https://github.com/ryanhossain9797/terminal_alpha_beta written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ryanhossain9797/terminal_alpha_beta already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad7b680aa59c26682ee0385e1a8916bb8aa7e2abebab5f6f89516e40e7bb38ef
[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" "ad7b680aa59c26682ee0385e1a8916bb8aa7e2abebab5f6f89516e40e7bb38ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad7b680aa59c26682ee0385e1a8916bb8aa7e2abebab5f6f89516e40e7bb38ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad7b680aa59c26682ee0385e1a8916bb8aa7e2abebab5f6f89516e40e7bb38ef", kill_on_drop: false }`
[INFO] [stdout] ad7b680aa59c26682ee0385e1a8916bb8aa7e2abebab5f6f89516e40e7bb38ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] 510217f05a65dcc7369555abc97dc97207307ca1f8f69c3863f8f8a3d500cee5
[INFO] running `Command { std: "docker" "start" "-a" "510217f05a65dcc7369555abc97dc97207307ca1f8f69c3863f8f8a3d500cee5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling syn v1.0.93
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling rustls v0.20.4
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]    Compiling openssl v0.10.40
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking ipnet v2.5.0
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]    Compiling beef v0.5.1
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling rayon-core v1.9.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]    Compiling serenity v0.11.2
[INFO] [stderr]     Checking typemap_rev v0.1.5
[INFO] [stderr]    Compiling terminal_alpha_beta v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling openssl-src v111.18.0+1.1.1n
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.5.0
[INFO] [stderr]     Checking rustls-pemfile v0.3.0
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling tokio v0.3.7
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking encoding_rs v0.8.31
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]    Compiling openssl-sys v0.9.73
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]    Compiling rustc_version_runtime v0.2.1
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking flate2 v1.0.23
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking blocking v1.2.0
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking spin v0.9.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking sha-1 v0.10.0
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking pbkdf2 v0.10.1
[INFO] [stderr]     Checking md-5 v0.10.1
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]     Checking rayon v0.7.1
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking ordered-float v2.10.0
[INFO] [stderr]     Checking webpki-roots v0.22.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking closestmatch v0.1.2
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling ctor v0.1.22
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]    Compiling enum-as-inner v0.4.0
[INFO] [stderr]    Compiling logos-derive v0.12.0
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling typed-builder v0.10.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]     Checking futures-util v0.3.21
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking polling v2.2.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking os_info v3.3.0
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]    Compiling serde_with_macros v1.5.2
[INFO] [stderr]     Checking flume v0.10.12
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking async-process v1.4.0
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]    Compiling logos v0.12.0
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]    Compiling serde-query-derive v0.1.4
[INFO] [stderr]     Checking tokio-util v0.7.1
[INFO] [stderr]     Checking tokio-rustls v0.23.4
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking async-global-executor v2.0.4
[INFO] [stderr]     Checking async-std v1.11.0
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_bytes v0.11.6
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking time v0.3.9
[INFO] [stderr]     Checking serde_with v1.13.0
[INFO] [stderr]     Checking dashmap v5.3.3
[INFO] [stderr]     Checking serde-query v0.1.4
[INFO] [stderr]     Checking trust-dns-proto v0.21.2
[INFO] [stderr]     Checking tungstenite v0.17.2
[INFO] [stderr]     Checking bson v2.2.0
[INFO] [stderr]     Checking yeelib_rs v0.1.1
[INFO] [stderr]     Checking async-tungstenite v0.17.2
[INFO] [stderr]     Checking hyper v0.14.18
[INFO] [stderr]     Checking trust-dns-resolver v0.21.2
[INFO] [stderr]     Checking async-std-resolver v0.21.2
[INFO] [stderr]     Checking mongodb v2.2.1
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking hyper-rustls v0.23.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.10
[INFO] [stderr]     Checking frankenstein v0.15.0
[INFO] [stderr]  Documenting terminal_alpha_beta v0.4.0 (/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(async_closure)]
[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(never_type)]
[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:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(let_else)]
[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 `terminal_alpha_beta`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name terminal_alpha_beta src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=233e6e43648def03 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-0657bc08aa8032ee.rmeta --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-4e2fddb95cb123b7.rmeta --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-2709d0a2e43139e5.so --extern closestmatch=/opt/rustwide/target/debug/deps/libclosestmatch-5a04cdba5b8356a6.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-e7d4b833628cc7a9.rmeta --extern dashmap=/opt/rustwide/target/debug/deps/libdashmap-304d615442700e5c.rmeta --extern flume=/opt/rustwide/target/debug/deps/libflume-d2c124731b9563e7.rmeta --extern frankenstein=/opt/rustwide/target/debug/deps/libfrankenstein-88da77121df0ad1d.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-0ff1c04d8053bb93.rmeta --extern mongodb=/opt/rustwide/target/debug/deps/libmongodb-2dea965733b6541e.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-d5c1de0f4ebdfb66.rmeta --extern openssl=/opt/rustwide/target/debug/deps/libopenssl-459b7de80547bf5a.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-ce9a9982fde555c7.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-8a4a259da1536bc3.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-8020a17ab5381a38.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-d078f86f69fbfe90.rmeta --extern serde_query=/opt/rustwide/target/debug/deps/libserde_query-cb4136c830f09f2c.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-97049ef5d1de8c3d.rmeta --extern serenity=/opt/rustwide/target/debug/deps/libserenity-5674f1b6084846da.rmeta --extern tap=/opt/rustwide/target/debug/deps/libtap-7024fc89c6248a5a.rmeta --extern yeelib_rs=/opt/rustwide/target/debug/deps/libyeelib_rs-cba6dbaff3952c03.rmeta --cap-lints=warn --crate-version 0.4.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "510217f05a65dcc7369555abc97dc97207307ca1f8f69c3863f8f8a3d500cee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "510217f05a65dcc7369555abc97dc97207307ca1f8f69c3863f8f8a3d500cee5", kill_on_drop: false }`
[INFO] [stdout] 510217f05a65dcc7369555abc97dc97207307ca1f8f69c3863f8f8a3d500cee5