[INFO] fetching crate rusht 1.1.0...
[INFO] documenting rusht-1.1.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate rusht 1.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate rusht 1.1.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rusht 1.1.0
[INFO] finished tweaking crates.io crate rusht 1.1.0
[INFO] tweaked toml for crates.io crate rusht 1.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate rusht 1.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memoize-inner v0.2.1
[INFO] [stderr]   Downloaded ssh2 v0.9.3
[INFO] [stderr]   Downloaded bincode_derive v2.0.0-rc.2
[INFO] [stderr]   Downloaded memoize v0.3.1
[INFO] [stderr]   Downloaded parse_duration0 v3.0.0
[INFO] [stderr]   Downloaded bincode v2.0.0-rc.2
[INFO] [stderr]   Downloaded async-process v1.5.0
[INFO] [stderr]   Downloaded virtue v0.0.8
[INFO] [stderr]   Downloaded async-lock v1.1.5
[INFO] [stderr]   Downloaded wait-for-me v0.2.0
[INFO] [stderr]   Downloaded ustr v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d49c61b0558942a4e67bc74745e6e12aff08075b4bda06179aef5540ed146c11
[INFO] running `Command { std: "docker" "start" "-a" "d49c61b0558942a4e67bc74745e6e12aff08075b4bda06179aef5540ed146c11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d49c61b0558942a4e67bc74745e6e12aff08075b4bda06179aef5540ed146c11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d49c61b0558942a4e67bc74745e6e12aff08075b4bda06179aef5540ed146c11", kill_on_drop: false }`
[INFO] [stdout] d49c61b0558942a4e67bc74745e6e12aff08075b4bda06179aef5540ed146c11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8705ad65f370ae6a2c3a29f86b95386e654c2bb917b7dafc71cedb02df74c13c
[INFO] running `Command { std: "docker" "start" "-a" "8705ad65f370ae6a2c3a29f86b95386e654c2bb917b7dafc71cedb02df74c13c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling polling v2.3.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking concurrent-queue v1.2.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling async-io v1.9.0
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]     Checking async-task v4.3.0
[INFO] [stderr]     Checking async-channel v1.7.1
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]    Compiling async-process v1.5.0
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]    Compiling jobserver v0.1.25
[INFO] [stderr]     Checking async-lock v2.5.0
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]    Compiling virtue v0.0.8
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]     Checking blocking v1.2.0
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]    Compiling async-trait v0.1.57
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking textwrap v0.15.1
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking async-lock v1.1.5
[INFO] [stderr]     Checking ahash v0.7.6
[INFO] [stderr]     Checking indexmap v1.9.1
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]    Compiling openssl-src v111.22.0+1.1.1q
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking ustr v0.9.0
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking dashmap v5.4.0
[INFO] [stderr]    Compiling bincode_derive v2.0.0-rc.2
[INFO] [stderr]     Checking which v4.3.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking fs_extra v1.2.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling openssl-sys v0.9.76
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.14.0+1.5.0
[INFO] [stderr]     Checking bincode v2.0.0-rc.2
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.3
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking digest v0.10.5
[INFO] [stderr]     Checking sha2 v0.10.6
[INFO] [stderr]     Checking parse_duration0 v3.0.0
[INFO] [stderr]    Compiling ctor v0.1.23
[INFO] [stderr]    Compiling futures-macro v0.3.24
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling clap_derive v3.2.18
[INFO] [stderr]    Compiling memoize-inner v0.2.1
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking memoize v0.3.1
[INFO] [stderr]     Checking env_logger v0.9.1
[INFO] [stderr]     Checking async-global-executor v2.3.0
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking clap v3.2.22
[INFO] [stderr]     Checking futures-executor v0.3.24
[INFO] [stderr]     Checking futures v0.3.24
[INFO] [stderr]     Checking serde v1.0.145
[INFO] [stderr]     Checking wait-for-me v0.2.0
[INFO] [stderr]     Checking time v0.3.15
[INFO] [stderr]     Checking serde_json v1.0.86
[INFO] [stderr]     Checking ssh2 v0.9.3
[INFO] [stderr]     Checking git2 v0.15.0
[INFO] [stderr]     Checking rusht v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rusht v1.1.0 (/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(future_join)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(async_closure)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(type_changing_struct_update)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(result_flattening)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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(future_join)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(async_closure)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(type_changing_struct_update)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(result_flattening)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::std::env`
[INFO] [stdout]  --> src/observe/sound.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ::std::env;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::std::io::Cursor`
[INFO] [stdout]  --> src/observe/sound.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ::std::io::Cursor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::log::warn`
[INFO] [stdout]  --> src/observe/sound.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ::log::warn;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(future_join)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(result_flattening)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[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 `rusht`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name rusht src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=5f193dfd6b2386f8 -L dependency=/opt/rustwide/target/debug/deps --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-e83da596d404451b.rmeta --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-df3108265b8ed621.so --extern base64=/opt/rustwide/target/debug/deps/libbase64-1b3401b2849c354c.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-ed21b645d5f32b6c.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-cf77ef95731f85f4.rmeta --extern dashmap=/opt/rustwide/target/debug/deps/libdashmap-ba442d2c0802d969.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-41583150d907bea9.so --extern dirs=/opt/rustwide/target/debug/deps/libdirs-fa01846fba85f006.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-2ea7fec15881d101.rmeta --extern fs_extra=/opt/rustwide/target/debug/deps/libfs_extra-0a64de3635b2d2f2.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-fc6b55f85f841c9d.rmeta --extern git2=/opt/rustwide/target/debug/deps/libgit2-64b687212eed0220.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-b418a1a0a2a6e512.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-9c7d51f549cf58b7.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-26b0c8dbe7a58f37.rmeta --extern memoize=/opt/rustwide/target/debug/deps/libmemoize-85f817d329b48f87.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-ade0c4d871116298.rmeta --extern parse_duration0=/opt/rustwide/target/debug/deps/libparse_duration0-f1e707a9679acd70.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-ab7b77e8ff18989a.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-674459029f19c0e7.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-8126445ba05b0438.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-05d0fc59745c058b.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-0951901dcc8e4966.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-57e84bdc6b859122.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-24a86d324dae8e11.rmeta --extern ssh2=/opt/rustwide/target/debug/deps/libssh2-85b1f567451bb4a2.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-8c4baf77a45be66f.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-4d03b8b1b6fdfee6.rmeta --extern ustr=/opt/rustwide/target/debug/deps/libustr-3ed818be44cdc286.rmeta --extern wait_for_me=/opt/rustwide/target/debug/deps/libwait_for_me-5623d9149d31e339.rmeta --extern which=/opt/rustwide/target/debug/deps/libwhich-50fe8b014c68f1d3.rmeta --cap-lints=warn --crate-version 1.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 6 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusht` due to 7 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8705ad65f370ae6a2c3a29f86b95386e654c2bb917b7dafc71cedb02df74c13c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8705ad65f370ae6a2c3a29f86b95386e654c2bb917b7dafc71cedb02df74c13c", kill_on_drop: false }`
[INFO] [stdout] 8705ad65f370ae6a2c3a29f86b95386e654c2bb917b7dafc71cedb02df74c13c
