[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] checking Leo2807/word_count/ec71d65588b4e45bd2251a189b62d7c80bb640aa against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeo2807%2Fword_count" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Leo2807/word_count on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "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-1-tc1/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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 42c361c7ad0d08529878761c0237be43edbb132726cea1b257a75b1a3442a93c [INFO] running `Command { std: "docker" "start" "-a" "42c361c7ad0d08529878761c0237be43edbb132726cea1b257a75b1a3442a93c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "42c361c7ad0d08529878761c0237be43edbb132726cea1b257a75b1a3442a93c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42c361c7ad0d08529878761c0237be43edbb132726cea1b257a75b1a3442a93c", kill_on_drop: false }` [INFO] [stdout] 42c361c7ad0d08529878761c0237be43edbb132726cea1b257a75b1a3442a93c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 49dbac67cc197c5b372d858cf1c853c7af288cce7d7bdfbf2b54b3a5457dbbbe [INFO] running `Command { std: "docker" "start" "-a" "49dbac67cc197c5b372d858cf1c853c7af288cce7d7bdfbf2b54b3a5457dbbbe", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking word_count v0.1.0 (/opt/rustwide/workdir) [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: 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/pivot_sort.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | #[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: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/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 `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 `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: 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/pivot_sort.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | #[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: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/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 `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 `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[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[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[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/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/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: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: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: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: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: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/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/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: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: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: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/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/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/lib.rs:39:1 [INFO] [stdout] | [INFO] [stdout] 39 | #[unstable] [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[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: aborting due to 19 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0635, E0734. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 19 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0635, E0734. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] error: could not compile `word_count` (lib) due to 20 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `word_count` (lib test) due to 20 previous errors [INFO] running `Command { std: "docker" "inspect" "49dbac67cc197c5b372d858cf1c853c7af288cce7d7bdfbf2b54b3a5457dbbbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49dbac67cc197c5b372d858cf1c853c7af288cce7d7bdfbf2b54b3a5457dbbbe", kill_on_drop: false }` [INFO] [stdout] 49dbac67cc197c5b372d858cf1c853c7af288cce7d7bdfbf2b54b3a5457dbbbe