[INFO] cloning repository https://github.com/nzentzis/ysh
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nzentzis/ysh" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnzentzis%2Fysh", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnzentzis%2Fysh'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d39ab2b957db6ccf62d6eee8fe0dbe8808387e3c
[INFO] documenting nzentzis/ysh 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%2Fnzentzis%2Fysh" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nzentzis/ysh 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/nzentzis/ysh
[INFO] finished tweaking git repo https://github.com/nzentzis/ysh
[INFO] tweaked toml for git repo https://github.com/nzentzis/ysh written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/nzentzis/ysh 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 27050920cf7f92ea7b14390459bee2c0e3a14dc085ad63a5190f24ff6ceb0288
[INFO] running `Command { std: "docker" "start" "-a" "27050920cf7f92ea7b14390459bee2c0e3a14dc085ad63a5190f24ff6ceb0288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27050920cf7f92ea7b14390459bee2c0e3a14dc085ad63a5190f24ff6ceb0288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27050920cf7f92ea7b14390459bee2c0e3a14dc085ad63a5190f24ff6ceb0288", kill_on_drop: false }`
[INFO] [stdout] 27050920cf7f92ea7b14390459bee2c0e3a14dc085ad63a5190f24ff6ceb0288
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] [stdout] 7a7511eecc30e06734abf6feb15fb3b9fcdf1e4e2906756ecdfd99eb35e6ccd9
[INFO] running `Command { std: "docker" "start" "-a" "7a7511eecc30e06734abf6feb15fb3b9fcdf1e4e2906756ecdfd99eb35e6ccd9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking crossbeam-utils v0.4.1
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking same-file v1.0.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking futures v0.1.20
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking walkdir v2.1.4
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking smallvec v0.6.3
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking crossbeam-epoch v0.5.1
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking rand v0.5.4
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking crossbeam-deque v0.5.1
[INFO] [stderr]     Checking parking_lot_core v0.2.13
[INFO] [stderr]     Checking parking_lot v0.5.4
[INFO] [stderr]     Checking crossbeam-channel v0.2.3
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking crossbeam v0.4.1
[INFO] [stderr]     Checking globset v0.4.0
[INFO] [stderr]  Documenting ysh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]   --> src/library/sequence.rs:75:59
[INFO] [stdout]    |
[INFO] [stdout] 75 |                  elements of the sequence are exhausted.\n\n\
[INFO] [stdout]    |  ___________________________________________________________^
[INFO] [stdout] 76 | |
[INFO] [stdout] 77 | |                With two arguments, build a transformer that reduces input \
[INFO] [stdout]    | |_______________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]   --> src/library/sequence.rs:81:56
[INFO] [stdout]    |
[INFO] [stdout] 81 |                  arguments to the reduction function.\n\n\
[INFO] [stdout]    |  ________________________________________________________^
[INFO] [stdout] 82 | |                
[INFO] [stdout] 83 | |                For example:\n\
[INFO] [stdout]    | |_______________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]   --> src/library/sequence.rs:92:72
[INFO] [stdout]    |
[INFO] [stdout] 92 |                  for which the given function returns a truthy value.\n\n\
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 93 | |                
[INFO] [stdout] 94 | |                With one argument, build a sequence transformer which filters \
[INFO] [stdout]    | |_______________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]   --> src/library/sequence.rs:97:42
[INFO] [stdout]    |
[INFO] [stdout] 97 |                  and return the result.\n\n\
[INFO] [stdout]    |  __________________________________________^
[INFO] [stdout] 98 | |                
[INFO] [stdout] 99 | |                This function produces a lazy sequence; filtering is performed \
[INFO] [stdout]    | |_______________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/reader.rs:201:6
[INFO] [stdout]     |
[INFO] [stdout] 201 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.99s
[INFO] running `Command { std: "docker" "inspect" "7a7511eecc30e06734abf6feb15fb3b9fcdf1e4e2906756ecdfd99eb35e6ccd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a7511eecc30e06734abf6feb15fb3b9fcdf1e4e2906756ecdfd99eb35e6ccd9", kill_on_drop: false }`
[INFO] [stdout] 7a7511eecc30e06734abf6feb15fb3b9fcdf1e4e2906756ecdfd99eb35e6ccd9