[INFO] updating cached repository https://github.com/Leo2807/word_count [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ec71d65588b4e45bd2251a189b62d7c80bb640aa [INFO] testing Leo2807/word_count against 1.38.0 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeo2807%2Fword_count" "work/builds/worker-6/source"` [INFO] [stderr] Cloning into 'work/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Leo2807/word_count on toolchain 1.38.0 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"` [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 work/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/Leo2807/word_count already has a lockfile, it will not be regenerated [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /big/crater/work/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"` [INFO] [stdout] 1cab39b65c9bb3ad282488b18b6dae308d6476049d7912b84e80541907c956f1 [INFO] running `"docker" "start" "-a" "1cab39b65c9bb3ad282488b18b6dae308d6476049d7912b84e80541907c956f1"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling word_count v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(collections)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: malformed `stable` attribute input [INFO] [stderr] --> src/pivot_sort.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | #[stable] [INFO] [stderr] | ^^^^^^^^^ help: must be of the form: `#[stable(feature = "name", since = "version")]` [INFO] [stderr] [INFO] [stderr] error: malformed `stable` attribute input [INFO] [stderr] --> src/pivot_sort.rs:34:1 [INFO] [stderr] | [INFO] [stderr] 34 | #[stable] [INFO] [stderr] | ^^^^^^^^^ help: must be of the form: `#[stable(feature = "name", since = "version")]` [INFO] [stderr] [INFO] [stderr] error: malformed `stable` attribute input [INFO] [stderr] --> src/pivot_sort.rs:91:1 [INFO] [stderr] | [INFO] [stderr] 91 | #[stable] [INFO] [stderr] | ^^^^^^^^^ help: must be of the form: `#[stable(feature = "name", since = "version")]` [INFO] [stderr] [INFO] [stderr] error: malformed `stable` attribute input [INFO] [stderr] --> src/pivot_sort.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![stable] [INFO] [stderr] | ^^^^^^^^^^ help: must be of the form: `#[stable(feature = "name", since = "version")]` [INFO] [stderr] [INFO] [stderr] error: malformed `stable` attribute input [INFO] [stderr] --> src/word_index.rs:23:1 [INFO] [stderr] | [INFO] [stderr] 23 | #[stable] [INFO] [stderr] | ^^^^^^^^^ help: must be of the form: `#[stable(feature = "name", since = "version")]` [INFO] [stderr] [INFO] [stderr] error: malformed `stable` attribute input [INFO] [stderr] --> src/word_index.rs:68:1 [INFO] [stderr] | [INFO] [stderr] 68 | #[stable] [INFO] [stderr] | ^^^^^^^^^ help: must be of the form: `#[stable(feature = "name", since = "version")]` [INFO] [stderr] [INFO] [stderr] error: malformed `stable` attribute input [INFO] [stderr] --> src/word_index.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![stable] [INFO] [stderr] | ^^^^^^^^^^ help: must be of the form: `#[stable(feature = "name", since = "version")]` [INFO] [stderr] [INFO] [stderr] error: malformed `unstable` attribute input [INFO] [stderr] --> src/lib.rs:39:1 [INFO] [stderr] | [INFO] [stderr] 39 | #[unstable] [INFO] [stderr] | ^^^^^^^^^^^ help: must be of the form: `#[unstable(feature = "name", reason = "...", issue = "N")]` [INFO] [stderr] [INFO] [stderr] error: malformed `unstable` attribute input [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![unstable] [INFO] [stderr] | ^^^^^^^^^^^^ help: must be of the form: `#[unstable(feature = "name", reason = "...", issue = "N")]` [INFO] [stderr] [INFO] [stderr] error: stability attributes may not be used outside of the standard library [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![unstable] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: stability attributes may not be used outside of the standard library [INFO] [stderr] --> src/pivot_sort.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![stable] [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: stability attributes may not be used outside of the standard library [INFO] [stderr] --> src/pivot_sort.rs:34:1 [INFO] [stderr] | [INFO] [stderr] 34 | #[stable] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: stability attributes may not be used outside of the standard library [INFO] [stderr] --> src/pivot_sort.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | #[stable] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: stability attributes may not be used outside of the standard library [INFO] [stderr] --> src/pivot_sort.rs:91:1 [INFO] [stderr] | [INFO] [stderr] 91 | #[stable] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: stability attributes may not be used outside of the standard library [INFO] [stderr] --> src/word_index.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![stable] [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: stability attributes may not be used outside of the standard library [INFO] [stderr] --> src/word_index.rs:23:1 [INFO] [stderr] | [INFO] [stderr] 23 | #[stable] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: stability attributes may not be used outside of the standard library [INFO] [stderr] --> src/word_index.rs:68:1 [INFO] [stderr] | [INFO] [stderr] 68 | #[stable] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: stability attributes may not be used outside of the standard library [INFO] [stderr] --> src/lib.rs:39:1 [INFO] [stderr] | [INFO] [stderr] 39 | #[unstable] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 19 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `word_count`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "1cab39b65c9bb3ad282488b18b6dae308d6476049d7912b84e80541907c956f1"` [INFO] running `"docker" "rm" "-f" "1cab39b65c9bb3ad282488b18b6dae308d6476049d7912b84e80541907c956f1"` [INFO] [stdout] 1cab39b65c9bb3ad282488b18b6dae308d6476049d7912b84e80541907c956f1