[INFO] cloning repository https://github.com/Leo2807/word_count
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Leo2807/word_count" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeo2807%2Fword_count", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeo2807%2Fword_count'...
[INFO] [stderr] error: copy-fd: write returned: No space left on device
[INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-commit.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeo2807%2Fword_count/hooks/pre-commit.sample': No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/Leo2807/word_count
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Leo2807/word_count" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeo2807%2Fword_count", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeo2807%2Fword_count'...
[INFO] [stderr] fatal: write error: No space left on device
[INFO] [stderr] fatal: index-pack failed
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/Leo2807/word_count
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Leo2807/word_count" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeo2807%2Fword_count", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeo2807%2Fword_count'...
[INFO] [stderr] fatal: write error: No space left on device
[INFO] [stderr] fatal: index-pack failed
[WARN] Retrying crate fetch in 3 seconds (attempt 3)
[INFO] cloning repository https://github.com/Leo2807/word_count
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Leo2807/word_count" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeo2807%2Fword_count", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeo2807%2Fword_count'...
[INFO] [stderr] fatal: write error: No space left on device
[INFO] [stderr] fatal: index-pack failed
[WARN] Retrying crate fetch in 3 seconds (attempt 4)
[INFO] cloning repository https://github.com/Leo2807/word_count
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Leo2807/word_count" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeo2807%2Fword_count", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeo2807%2Fword_count'...
[INFO] [stderr] fatal: write error: No space left on device
[INFO] [stderr] fatal: index-pack failed
[WARN] Retrying crate fetch in 3 seconds (attempt 5)
[INFO] cloning repository https://github.com/Leo2807/word_count
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Leo2807/word_count" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeo2807%2Fword_count", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeo2807%2Fword_count'...
[INFO] [stderr] fatal: write error: No space left on device
[INFO] [stderr] fatal: index-pack failed
[WARN] Retrying crate fetch in 3 seconds (attempt 6)
[INFO] cloning repository https://github.com/Leo2807/word_count
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Leo2807/word_count" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeo2807%2Fword_count", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeo2807%2Fword_count'...
[INFO] [stderr] fatal: write error: No space left on device
[INFO] [stderr] fatal: index-pack failed
[WARN] Retrying crate fetch in 3 seconds (attempt 7)
[INFO] cloning repository https://github.com/Leo2807/word_count
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Leo2807/word_count" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeo2807%2Fword_count", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeo2807%2Fword_count'...
[INFO] [stderr] fatal: write error: No space left on device
[INFO] [stderr] fatal: index-pack failed
[WARN] Retrying crate fetch in 3 seconds (attempt 8)
[INFO] cloning repository https://github.com/Leo2807/word_count
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Leo2807/word_count" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeo2807%2Fword_count", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeo2807%2Fword_count'...
[INFO] [stderr] fatal: write error: No space left on device
[INFO] [stderr] fatal: index-pack failed
[WARN] Retrying crate fetch in 3 seconds (attempt 9)
[INFO] cloning repository https://github.com/Leo2807/word_count
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Leo2807/word_count" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeo2807%2Fword_count", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeo2807%2Fword_count'...
[INFO] [stderr] fatal: write error: No space left on device
[INFO] [stderr] fatal: index-pack failed
[WARN] Retrying crate fetch in 3 seconds (attempt 10)
[INFO] cloning repository https://github.com/Leo2807/word_count
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Leo2807/word_count" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeo2807%2Fword_count", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeo2807%2Fword_count'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec71d65588b4e45bd2251a189b62d7c80bb640aa
[INFO] documenting Leo2807/word_count against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeo2807%2Fword_count" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Leo2807/word_count on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Leo2807/word_count
[INFO] finished tweaking git repo https://github.com/Leo2807/word_count
[INFO] tweaked toml for git repo https://github.com/Leo2807/word_count written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Leo2807/word_count 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" "+beta-2023-04-20" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11dabf6b682324809aea807e6820abbf25c3719f2cf7e7f099381cb928eb3a13
[INFO] running `Command { std: "docker" "start" "-a" "11dabf6b682324809aea807e6820abbf25c3719f2cf7e7f099381cb928eb3a13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11dabf6b682324809aea807e6820abbf25c3719f2cf7e7f099381cb928eb3a13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11dabf6b682324809aea807e6820abbf25c3719f2cf7e7f099381cb928eb3a13", kill_on_drop: false }`
[INFO] [stdout] 11dabf6b682324809aea807e6820abbf25c3719f2cf7e7f099381cb928eb3a13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a2dfac313a1b70c5d54bc28db41a3930a05beec2adf8dfcfbf96d597f5087a0
[INFO] running `Command { std: "docker" "start" "-a" "1a2dfac313a1b70c5d54bc28db41a3930a05beec2adf8dfcfbf96d597f5087a0", kill_on_drop: false }`
[INFO] [stderr]  Documenting word_count v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking word_count v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: malformed `stable` attribute input
[INFO] [stdout]   --> src/pivot_sort.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[stable]
[INFO] [stdout]    | ^^^^^^^^^ help: must be of the form: `#[stable(feature = "name", since = "version")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: malformed `stable` attribute input
[INFO] [stdout]   --> src/pivot_sort.rs:91:1
[INFO] [stdout]    |
[INFO] [stdout] 91 | #[stable]
[INFO] [stdout]    | ^^^^^^^^^ help: must be of the form: `#[stable(feature = "name", since = "version")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: malformed `stable` attribute input
[INFO] [stdout]  --> src/pivot_sort.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![stable]
[INFO] [stdout]   | ^^^^^^^^^^ help: must be of the form: `#![stable(feature = "name", since = "version")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: malformed `stable` attribute input
[INFO] [stdout]   --> src/word_index.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[stable]
[INFO] [stdout]    | ^^^^^^^^^ help: must be of the form: `#[stable(feature = "name", since = "version")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: malformed `stable` attribute input
[INFO] [stdout]   --> src/word_index.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | #[stable]
[INFO] [stdout]    | ^^^^^^^^^ help: must be of the form: `#[stable(feature = "name", since = "version")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: malformed `stable` attribute input
[INFO] [stdout]  --> src/word_index.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![stable]
[INFO] [stdout]   | ^^^^^^^^^^ help: must be of the form: `#![stable(feature = "name", since = "version")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: malformed `unstable` attribute input
[INFO] [stdout]   --> src/lib.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[unstable]
[INFO] [stdout]    | ^^^^^^^^^^^ help: must be of the form: `#[unstable(feature = "name", reason = "...", issue = "N")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: malformed `unstable` attribute input
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![unstable]
[INFO] [stdout]   | ^^^^^^^^^^^^ help: must be of the form: `#![unstable(feature = "name", reason = "...", issue = "N")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stdout]   --> src/pivot_sort.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     #[stable]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: malformed `stable` attribute input
[INFO] [stdout]   --> src/pivot_sort.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[stable]
[INFO] [stdout]    | ^^^^^^^^^ help: must be of the form: `#[stable(feature = "name", since = "version")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stdout]   --> src/pivot_sort.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[stable]
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stdout]   --> src/pivot_sort.rs:91:1
[INFO] [stdout]    |
[INFO] [stdout] 91 | #[stable]
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: malformed `stable` attribute input
[INFO] [stdout]   --> src/pivot_sort.rs:91:1
[INFO] [stdout]    |
[INFO] [stdout] 91 | #[stable]
[INFO] [stdout]    | ^^^^^^^^^ help: must be of the form: `#[stable(feature = "name", since = "version")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stdout]  --> src/pivot_sort.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![stable]
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stdout]   --> src/word_index.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[stable]
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: malformed `stable` attribute input
[INFO] [stdout]  --> src/pivot_sort.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![stable]
[INFO] [stdout]   | ^^^^^^^^^^ help: must be of the form: `#![stable(feature = "name", since = "version")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stdout]   --> src/word_index.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | #[stable]
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: malformed `stable` attribute input
[INFO] [stdout]   --> src/word_index.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[stable]
[INFO] [stdout]    | ^^^^^^^^^ help: must be of the form: `#[stable(feature = "name", since = "version")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stdout]  --> src/word_index.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![stable]
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: malformed `stable` attribute input
[INFO] [stdout]   --> src/word_index.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | #[stable]
[INFO] [stdout]    | ^^^^^^^^^ help: must be of the form: `#[stable(feature = "name", since = "version")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stdout]   --> src/lib.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[unstable]
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![unstable]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: malformed `stable` attribute input
[INFO] [stdout]  --> src/word_index.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![stable]
[INFO] [stdout]   | ^^^^^^^^^^ help: must be of the form: `#![stable(feature = "name", since = "version")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: malformed `unstable` attribute input
[INFO] [stdout]   --> src/lib.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[unstable]
[INFO] [stdout]    | ^^^^^^^^^^^ help: must be of the form: `#[unstable(feature = "name", reason = "...", issue = "N")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: malformed `unstable` attribute input
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![unstable]
[INFO] [stdout]   | ^^^^^^^^^^^^ help: must be of the form: `#![unstable(feature = "name", reason = "...", issue = "N")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(collections)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `collections`
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(collections)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stdout]   --> src/pivot_sort.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     #[stable]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stdout]   --> src/pivot_sort.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[stable]
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stdout]   --> src/pivot_sort.rs:91:1
[INFO] [stdout]    |
[INFO] [stdout] 91 | #[stable]
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stdout]  --> src/pivot_sort.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![stable]
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stdout]   --> src/word_index.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[stable]
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stdout]   --> src/word_index.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | #[stable]
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stdout]  --> src/word_index.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![stable]
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stdout]   --> src/lib.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[unstable]
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![unstable]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 17 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0734`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 19 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0635, E0734.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `word_count`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name lib_word_count src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=1d8bec009600ea2e -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `word_count` (lib) due to 20 previous errors
[INFO] running `Command { std: "docker" "inspect" "1a2dfac313a1b70c5d54bc28db41a3930a05beec2adf8dfcfbf96d597f5087a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a2dfac313a1b70c5d54bc28db41a3930a05beec2adf8dfcfbf96d597f5087a0", kill_on_drop: false }`
[INFO] [stdout] 1a2dfac313a1b70c5d54bc28db41a3930a05beec2adf8dfcfbf96d597f5087a0
