[INFO] cloning repository https://github.com/CodeSteak/piper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CodeSteak/piper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodeSteak%2Fpiper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodeSteak%2Fpiper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a410c0bcf5c76e110a0270711820d363e54ab461
[INFO] documenting CodeSteak/piper against 1.91.0 for beta-1.92-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodeSteak%2Fpiper" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/CodeSteak/piper
[INFO] finished tweaking git repo https://github.com/CodeSteak/piper
[INFO] tweaked toml for git repo https://github.com/CodeSteak/piper written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CodeSteak/piper on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/CodeSteak/piper 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating git repository `https://github.com/CodeSteak/tiny-http`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tar v0.4.38
[INFO] [stderr]   Downloaded streaming-zip v0.5.0
[INFO] [stderr]   Downloaded clap_derive v4.0.9
[INFO] [stderr]   Downloaded xattr v0.2.3
[INFO] [stderr]   Downloaded funty v1.1.0
[INFO] [stderr]   Downloaded chacha20 v0.9.0
[INFO] [stderr]   Downloaded askama_derive v0.10.5
[INFO] [stderr]   Downloaded askama_shared v0.11.2
[INFO] [stderr]   Downloaded gzip-header v0.3.0
[INFO] [stderr]   Downloaded deflate v0.9.1
[INFO] [stderr]   Downloaded time v0.3.15
[INFO] [stderr]   Downloaded rouille v3.5.0
[INFO] [stderr]   Downloaded askama v0.10.5
[INFO] [stderr]   Downloaded clap v4.0.9
[INFO] [stderr]   Downloaded bitvec v0.19.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e320d15d37d117e9ef769ae2d947cb205d98ab19dd384edcfec9fba3174c10ef
[INFO] running `Command { std: "docker" "start" "-a" "e320d15d37d117e9ef769ae2d947cb205d98ab19dd384edcfec9fba3174c10ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e320d15d37d117e9ef769ae2d947cb205d98ab19dd384edcfec9fba3174c10ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e320d15d37d117e9ef769ae2d947cb205d98ab19dd384edcfec9fba3174c10ef", kill_on_drop: false }`
[INFO] [stdout] e320d15d37d117e9ef769ae2d947cb205d98ab19dd384edcfec9fba3174c10ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35bd3c999a489b1315ddbd2777793bdad3b7635fa972e42aea13c6b7ea7084d4
[INFO] running `Command { std: "docker" "start" "-a" "35bd3c999a489b1315ddbd2777793bdad3b7635fa972e42aea13c6b7ea7084d4", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking generic-array v0.14.6
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking zeroize v1.5.7
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking blake2b_simd v1.0.0
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking chunked_transfer v1.4.0
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking iana-time-zone v0.1.50
[INFO] [stderr]    Compiling askama_escape v0.10.3
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling rustls v0.20.6
[INFO] [stderr]     Checking levenshtein v1.0.5
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]    Compiling humansize v1.1.1
[INFO] [stderr]     Checking bitvec v0.19.6
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking filetime v0.2.17
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rust-argon2 v1.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking xattr v0.2.3
[INFO] [stderr]     Checking universal-hash v0.5.0
[INFO] [stderr]     Checking cipher v0.4.3
[INFO] [stderr]     Checking aead v0.5.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking poly1305 v0.8.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking chacha20 v0.9.0
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking brotli-decompressor v2.3.2
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking gzip-header v0.3.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking chacha20poly1305 v0.10.1
[INFO] [stderr]     Checking crc-catalog v1.1.1
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking time v0.3.15
[INFO] [stderr]     Checking crc v2.1.0
[INFO] [stderr]     Checking deflate v0.9.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking clap_lex v0.3.0
[INFO] [stderr]     Checking sha1 v0.6.1
[INFO] [stderr]     Checking tar v0.4.38
[INFO] [stderr]     Checking chrono v0.4.22
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking multipart v0.18.0
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]  Documenting common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]     Checking webpki-roots v0.22.5
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> common/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> common/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `common`
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> common/src/crypto/reader.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |             let mut last_state = self
[INFO] [stdout]    |                 ----^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `common` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "35bd3c999a489b1315ddbd2777793bdad3b7635fa972e42aea13c6b7ea7084d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35bd3c999a489b1315ddbd2777793bdad3b7635fa972e42aea13c6b7ea7084d4", kill_on_drop: false }`
[INFO] [stdout] 35bd3c999a489b1315ddbd2777793bdad3b7635fa972e42aea13c6b7ea7084d4
