[INFO] crate bst 0.0.1 is already in cache
[INFO] extracting crate bst 0.0.1 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/bst/0.0.1
[INFO] extracting crate bst 0.0.1 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/bst/0.0.1
[INFO] validating manifest of bst-0.0.1 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bst-0.0.1 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bst-0.0.1
[INFO] finished frobbing bst-0.0.1
[INFO] frobbed toml for bst-0.0.1 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/bst/0.0.1/Cargo.toml
[INFO] started frobbing bst-0.0.1
[INFO] finished frobbing bst-0.0.1
[INFO] frobbed toml for bst-0.0.1 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/bst/0.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking bst-0.0.1 against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-2/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/bst/0.0.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d335a99838d562dfea09b1e5955b719388003ca960fc6b140e277201fb9c1fa5
[INFO] running `"docker" "start" "-a" "d335a99838d562dfea09b1e5955b719388003ca960fc6b140e277201fb9c1fa5"`
[INFO] [stderr] warning: dependency (ordered_iter) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Checking compare v0.1.0
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]     Checking ordered_iter v0.1.1
[INFO] [stderr]     Checking bst v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: could not find `order` in `iter`
[INFO] [stderr]    --> src/map.rs:146:15
[INFO] [stderr]     |
[INFO] [stderr] 146 |         iter::order::partial_cmp(self.iter(), other.iter())
[INFO] [stderr]     |               ^^^^^ could not find `order` in `iter`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `order` in `iter`
[INFO] [stderr]    --> src/map.rs:154:15
[INFO] [stderr]     |
[INFO] [stderr] 154 |         iter::order::cmp(self.iter(), other.iter())
[INFO] [stderr]     |               ^^^^^ could not find `order` in `iter`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `order` in `iter`
[INFO] [stderr]    --> src/set.rs:102:15
[INFO] [stderr]     |
[INFO] [stderr] 102 |         iter::order::cmp(self.iter(), other.iter())
[INFO] [stderr]     |               ^^^^^ could not find `order` in `iter`
[INFO] [stderr] 
[INFO] [stderr] error: malformed `unstable` attribute input
[INFO] [stderr]    --> src/map.rs:200:5
[INFO] [stderr]     |
[INFO] [stderr] 200 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/map.rs:229:5
[INFO] [stderr]     |
[INFO] [stderr] 229 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/map.rs:254:5
[INFO] [stderr]     |
[INFO] [stderr] 254 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/map.rs:278:5
[INFO] [stderr]     |
[INFO] [stderr] 278 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/map.rs:330:5
[INFO] [stderr]     |
[INFO] [stderr] 330 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/map.rs:381:5
[INFO] [stderr]     |
[INFO] [stderr] 381 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/map.rs:406:5
[INFO] [stderr]     |
[INFO] [stderr] 406 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/map.rs:421:5
[INFO] [stderr]     |
[INFO] [stderr] 421 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/map.rs:437:5
[INFO] [stderr]     |
[INFO] [stderr] 437 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/map.rs:459:5
[INFO] [stderr]     |
[INFO] [stderr] 459 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/map.rs:488:5
[INFO] [stderr]     |
[INFO] [stderr] 488 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/map.rs:514:5
[INFO] [stderr]     |
[INFO] [stderr] 514 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/map.rs:543:5
[INFO] [stderr]     |
[INFO] [stderr] 543 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/map.rs:566:5
[INFO] [stderr]     |
[INFO] [stderr] 566 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:161:5
[INFO] [stderr]     |
[INFO] [stderr] 161 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:198:5
[INFO] [stderr]     |
[INFO] [stderr] 198 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:266:5
[INFO] [stderr]     |
[INFO] [stderr] 266 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:298:5
[INFO] [stderr]     |
[INFO] [stderr] 298 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:327:5
[INFO] [stderr]     |
[INFO] [stderr] 327 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:356:5
[INFO] [stderr]     |
[INFO] [stderr] 356 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:380:5
[INFO] [stderr]     |
[INFO] [stderr] 380 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:395:5
[INFO] [stderr]     |
[INFO] [stderr] 395 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:411:5
[INFO] [stderr]     |
[INFO] [stderr] 411 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:430:5
[INFO] [stderr]     |
[INFO] [stderr] 430 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:454:5
[INFO] [stderr]     |
[INFO] [stderr] 454 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:475:5
[INFO] [stderr]     |
[INFO] [stderr] 475 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:520:5
[INFO] [stderr]     |
[INFO] [stderr] 520 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:540:5
[INFO] [stderr]     |
[INFO] [stderr] 540 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:562:5
[INFO] [stderr]     |
[INFO] [stderr] 562 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:698:1
[INFO] [stderr]     |
[INFO] [stderr] 698 | #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:726:1
[INFO] [stderr]     |
[INFO] [stderr] 726 | #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:754:1
[INFO] [stderr]     |
[INFO] [stderr] 754 | #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:782:1
[INFO] [stderr]     |
[INFO] [stderr] 782 | #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/map.rs:200:5
[INFO] [stderr]     |
[INFO] [stderr] 200 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/map.rs:229:5
[INFO] [stderr]     |
[INFO] [stderr] 229 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/map.rs:254:5
[INFO] [stderr]     |
[INFO] [stderr] 254 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/map.rs:278:5
[INFO] [stderr]     |
[INFO] [stderr] 278 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/map.rs:330:5
[INFO] [stderr]     |
[INFO] [stderr] 330 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/map.rs:381:5
[INFO] [stderr]     |
[INFO] [stderr] 381 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/map.rs:406:5
[INFO] [stderr]     |
[INFO] [stderr] 406 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/map.rs:421:5
[INFO] [stderr]     |
[INFO] [stderr] 421 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/map.rs:437:5
[INFO] [stderr]     |
[INFO] [stderr] 437 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/map.rs:459:5
[INFO] [stderr]     |
[INFO] [stderr] 459 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/map.rs:488:5
[INFO] [stderr]     |
[INFO] [stderr] 488 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/map.rs:514:5
[INFO] [stderr]     |
[INFO] [stderr] 514 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/map.rs:543:5
[INFO] [stderr]     |
[INFO] [stderr] 543 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/map.rs:566:5
[INFO] [stderr]     |
[INFO] [stderr] 566 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:161:5
[INFO] [stderr]     |
[INFO] [stderr] 161 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:198:5
[INFO] [stderr]     |
[INFO] [stderr] 198 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:266:5
[INFO] [stderr]     |
[INFO] [stderr] 266 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:298:5
[INFO] [stderr]     |
[INFO] [stderr] 298 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:327:5
[INFO] [stderr]     |
[INFO] [stderr] 327 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:356:5
[INFO] [stderr]     |
[INFO] [stderr] 356 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:380:5
[INFO] [stderr]     |
[INFO] [stderr] 380 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:395:5
[INFO] [stderr]     |
[INFO] [stderr] 395 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:411:5
[INFO] [stderr]     |
[INFO] [stderr] 411 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:430:5
[INFO] [stderr]     |
[INFO] [stderr] 430 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:454:5
[INFO] [stderr]     |
[INFO] [stderr] 454 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:475:5
[INFO] [stderr]     |
[INFO] [stderr] 475 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:520:5
[INFO] [stderr]     |
[INFO] [stderr] 520 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:540:5
[INFO] [stderr]     |
[INFO] [stderr] 540 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:562:5
[INFO] [stderr]     |
[INFO] [stderr] 562 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:698:1
[INFO] [stderr]     |
[INFO] [stderr] 698 | #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:726:1
[INFO] [stderr]     |
[INFO] [stderr] 726 | #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:754:1
[INFO] [stderr]     |
[INFO] [stderr] 754 | #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:782:1
[INFO] [stderr]     |
[INFO] [stderr] 782 | #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0053]: method `index` has an incompatible type for trait
[INFO] [stderr]    --> src/map.rs:179:5
[INFO] [stderr]     |
[INFO] [stderr] 179 |     fn index(&self, i: &Q) -> &V {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected type parameter, found &Q
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `fn(&map::TreeMap<K, V, C>, Q) -> &V`
[INFO] [stderr]                found type `fn(&map::TreeMap<K, V, C>, &Q) -> &V`
[INFO] [stderr] 
[INFO] [stderr] error[E0053]: method `index_mut` has an incompatible type for trait
[INFO] [stderr]    --> src/map.rs:186:5
[INFO] [stderr]     |
[INFO] [stderr] 186 |     fn index_mut(&mut self, i: &Q) -> &mut V {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected type parameter, found &Q
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `fn(&mut map::TreeMap<K, V, C>, Q) -> &mut V`
[INFO] [stderr]                found type `fn(&mut map::TreeMap<K, V, C>, &Q) -> &mut V`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rand::weak_rng`
[INFO] [stderr]     --> src/map.rs:1922:16
[INFO] [stderr]      |
[INFO] [stderr] 1922 |     use rand::{weak_rng, Rng};
[INFO] [stderr]      |                ^^^^^^^^ no `weak_rng` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `order` in `iter`
[INFO] [stderr]    --> src/map.rs:146:15
[INFO] [stderr]     |
[INFO] [stderr] 146 |         iter::order::partial_cmp(self.iter(), other.iter())
[INFO] [stderr]     |               ^^^^^ could not find `order` in `iter`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `order` in `iter`
[INFO] [stderr]    --> src/map.rs:154:15
[INFO] [stderr]     |
[INFO] [stderr] 154 |         iter::order::cmp(self.iter(), other.iter())
[INFO] [stderr]     |               ^^^^^ could not find `order` in `iter`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 73 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0053, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0053`.
[INFO] [stderr] error: Could not compile `bst`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0433]: failed to resolve: could not find `order` in `iter`
[INFO] [stderr]    --> src/set.rs:102:15
[INFO] [stderr]     |
[INFO] [stderr] 102 |         iter::order::cmp(self.iter(), other.iter())
[INFO] [stderr]     |               ^^^^^ could not find `order` in `iter`
[INFO] [stderr] 
[INFO] [stderr] error[E0437]: type `Output` is not a member of trait `FnMut`
[INFO] [stderr]     --> src/set.rs:1015:9
[INFO] [stderr]      |
[INFO] [stderr] 1015 |         type Output = bool;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^ not a member of trait `FnMut`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `IsaacRng` in crate `rand`
[INFO] [stderr]     --> src/map.rs:1522:28
[INFO] [stderr]      |
[INFO] [stderr] 1522 |         let mut rng: rand::IsaacRng = rand::SeedableRng::from_seed(seed);
[INFO] [stderr]      |                            ^^^^^^^^ not found in `rand`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]     --> src/map.rs:1524:18
[INFO] [stderr]      |
[INFO] [stderr] 1524 |         for _ in range(0, 3) {
[INFO] [stderr]      |                  ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]     --> src/map.rs:1525:22
[INFO] [stderr]      |
[INFO] [stderr] 1525 |             for _ in range(0, 90) {
[INFO] [stderr]      |                      ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]     --> src/map.rs:1536:22
[INFO] [stderr]      |
[INFO] [stderr] 1536 |             for _ in range(0, 30) {
[INFO] [stderr]      |                      ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]     --> src/map.rs:1587:18
[INFO] [stderr]      |
[INFO] [stderr] 1587 |         for i in range(1, 100) {
[INFO] [stderr]      |                  ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]     --> src/map.rs:1591:18
[INFO] [stderr]      |
[INFO] [stderr] 1591 |         for i in range(1, 198) {
[INFO] [stderr]      |                  ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]     --> src/map.rs:1629:18
[INFO] [stderr]      |
[INFO] [stderr] 1629 |         for i in range(0, 10) {
[INFO] [stderr]      |                  ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]     --> src/map.rs:1644:18
[INFO] [stderr]      |
[INFO] [stderr] 1644 |         for i in range(0, 10) {
[INFO] [stderr]      |                  ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]     --> src/map.rs:1661:18
[INFO] [stderr]      |
[INFO] [stderr] 1661 |         for i in range(1, 100) {
[INFO] [stderr]      |                  ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]     --> src/map.rs:1666:18
[INFO] [stderr]      |
[INFO] [stderr] 1666 |         for i in range(1, 199) {
[INFO] [stderr]      |                  ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]     --> src/map.rs:1673:18
[INFO] [stderr]      |
[INFO] [stderr] 1673 |         for i in range(0, 198) {
[INFO] [stderr]      |                  ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `weak_rng` in crate `rand`
[INFO] [stderr]     --> src/bench.rs:21:33
[INFO] [stderr]      |
[INFO] [stderr] 21   |             let mut rng = rand::weak_rng();
[INFO] [stderr]      |                                 ^^^^^^^^ not found in `rand`
[INFO] [stderr]      | 
[INFO] [stderr]     ::: src/map.rs:1927:5
[INFO] [stderr]      |
[INFO] [stderr] 1927 |     map_insert_rand_bench!{insert_rand_100,    100,    TreeMap}
[INFO] [stderr]      |     ----------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `weak_rng` in crate `rand`
[INFO] [stderr]     --> src/bench.rs:21:33
[INFO] [stderr]      |
[INFO] [stderr] 21   |             let mut rng = rand::weak_rng();
[INFO] [stderr]      |                                 ^^^^^^^^ not found in `rand`
[INFO] [stderr]      | 
[INFO] [stderr]     ::: src/map.rs:1928:5
[INFO] [stderr]      |
[INFO] [stderr] 1928 |     map_insert_rand_bench!{insert_rand_10_000, 10_000, TreeMap}
[INFO] [stderr]      |     ----------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `weak_rng` in crate `rand`
[INFO] [stderr]     --> src/bench.rs:75:33
[INFO] [stderr]      |
[INFO] [stderr] 75   |             let mut rng = rand::weak_rng();
[INFO] [stderr]      |                                 ^^^^^^^^ not found in `rand`
[INFO] [stderr]      | 
[INFO] [stderr]     ::: src/map.rs:1933:5
[INFO] [stderr]      |
[INFO] [stderr] 1933 |     map_find_rand_bench!{find_rand_100,    100,    TreeMap}
[INFO] [stderr]      |     ------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `weak_rng` in crate `rand`
[INFO] [stderr]     --> src/bench.rs:75:33
[INFO] [stderr]      |
[INFO] [stderr] 75   |             let mut rng = rand::weak_rng();
[INFO] [stderr]      |                                 ^^^^^^^^ not found in `rand`
[INFO] [stderr]      | 
[INFO] [stderr]     ::: src/map.rs:1934:5
[INFO] [stderr]      |
[INFO] [stderr] 1934 |     map_find_rand_bench!{find_rand_10_000, 10_000, TreeMap}
[INFO] [stderr]      |     ------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]     --> src/map.rs:1943:18
[INFO] [stderr]      |
[INFO] [stderr] 1943 |         for _ in range(0, size) {
[INFO] [stderr]      |                  ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]    --> src/set.rs:958:31
[INFO] [stderr]     |
[INFO] [stderr] 958 |         let s: TreeSet<i32> = range(0, 5).collect();
[INFO] [stderr]     |                               ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `hash` in module `hash`
[INFO] [stderr]     --> src/set.rs:1006:21
[INFO] [stderr]      |
[INFO] [stderr] 1006 |       assert!(hash::hash::<_, hash::SipHasher>(&x) == hash::hash::<_, hash::SipHasher>(&y));
[INFO] [stderr]      |                     ^^^^ not found in `hash`
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]      |
[INFO] [stderr] 853  |     use std::ptr::hash;
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `hash` in module `hash`
[INFO] [stderr]     --> src/set.rs:1006:61
[INFO] [stderr]      |
[INFO] [stderr] 1006 |       assert!(hash::hash::<_, hash::SipHasher>(&x) == hash::hash::<_, hash::SipHasher>(&y));
[INFO] [stderr]      |                                                             ^^^^ not found in `hash`
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]      |
[INFO] [stderr] 853  |     use std::ptr::hash;
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] error: malformed `unstable` attribute input
[INFO] [stderr]    --> src/map.rs:200:5
[INFO] [stderr]     |
[INFO] [stderr] 200 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/map.rs:229:5
[INFO] [stderr]     |
[INFO] [stderr] 229 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/map.rs:254:5
[INFO] [stderr]     |
[INFO] [stderr] 254 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/map.rs:278:5
[INFO] [stderr]     |
[INFO] [stderr] 278 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/map.rs:330:5
[INFO] [stderr]     |
[INFO] [stderr] 330 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/map.rs:381:5
[INFO] [stderr]     |
[INFO] [stderr] 381 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/map.rs:406:5
[INFO] [stderr]     |
[INFO] [stderr] 406 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/map.rs:421:5
[INFO] [stderr]     |
[INFO] [stderr] 421 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/map.rs:437:5
[INFO] [stderr]     |
[INFO] [stderr] 437 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/map.rs:459:5
[INFO] [stderr]     |
[INFO] [stderr] 459 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/map.rs:488:5
[INFO] [stderr]     |
[INFO] [stderr] 488 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/map.rs:514:5
[INFO] [stderr]     |
[INFO] [stderr] 514 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/map.rs:543:5
[INFO] [stderr]     |
[INFO] [stderr] 543 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/map.rs:566:5
[INFO] [stderr]     |
[INFO] [stderr] 566 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:161:5
[INFO] [stderr]     |
[INFO] [stderr] 161 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:198:5
[INFO] [stderr]     |
[INFO] [stderr] 198 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:266:5
[INFO] [stderr]     |
[INFO] [stderr] 266 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:298:5
[INFO] [stderr]     |
[INFO] [stderr] 298 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:327:5
[INFO] [stderr]     |
[INFO] [stderr] 327 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:356:5
[INFO] [stderr]     |
[INFO] [stderr] 356 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:380:5
[INFO] [stderr]     |
[INFO] [stderr] 380 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:395:5
[INFO] [stderr]     |
[INFO] [stderr] 395 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:411:5
[INFO] [stderr]     |
[INFO] [stderr] 411 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:430:5
[INFO] [stderr]     |
[INFO] [stderr] 430 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:454:5
[INFO] [stderr]     |
[INFO] [stderr] 454 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:475:5
[INFO] [stderr]     |
[INFO] [stderr] 475 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:520:5
[INFO] [stderr]     |
[INFO] [stderr] 520 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:540:5
[INFO] [stderr]     |
[INFO] [stderr] 540 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:562:5
[INFO] [stderr]     |
[INFO] [stderr] 562 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:698:1
[INFO] [stderr]     |
[INFO] [stderr] 698 | #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:726:1
[INFO] [stderr]     |
[INFO] [stderr] 726 | #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:754:1
[INFO] [stderr]     |
[INFO] [stderr] 754 | #[unstable = "matches collection reform specification, waiting for dust to settle"]
[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/set.rs:782:1
[INFO] [stderr]     |
[INFO] [stderr] 782 | #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#[unstable(feature = "name", reason = "...", issue = "N")]`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Compare`
[INFO] [stderr]     --> src/map.rs:1893:23
[INFO] [stderr]      |
[INFO] [stderr] 1893 |         use compare::{Compare, natural};
[INFO] [stderr]      |                       ^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Compare`
[INFO] [stderr]     --> src/set.rs:1206:23
[INFO] [stderr]      |
[INFO] [stderr] 1206 |         use compare::{Compare, natural};
[INFO] [stderr]      |                       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/map.rs:200:5
[INFO] [stderr]     |
[INFO] [stderr] 200 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/map.rs:229:5
[INFO] [stderr]     |
[INFO] [stderr] 229 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/map.rs:254:5
[INFO] [stderr]     |
[INFO] [stderr] 254 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/map.rs:278:5
[INFO] [stderr]     |
[INFO] [stderr] 278 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/map.rs:330:5
[INFO] [stderr]     |
[INFO] [stderr] 330 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/map.rs:381:5
[INFO] [stderr]     |
[INFO] [stderr] 381 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/map.rs:406:5
[INFO] [stderr]     |
[INFO] [stderr] 406 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/map.rs:421:5
[INFO] [stderr]     |
[INFO] [stderr] 421 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/map.rs:437:5
[INFO] [stderr]     |
[INFO] [stderr] 437 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/map.rs:459:5
[INFO] [stderr]     |
[INFO] [stderr] 459 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/map.rs:488:5
[INFO] [stderr]     |
[INFO] [stderr] 488 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/map.rs:514:5
[INFO] [stderr]     |
[INFO] [stderr] 514 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/map.rs:543:5
[INFO] [stderr]     |
[INFO] [stderr] 543 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/map.rs:566:5
[INFO] [stderr]     |
[INFO] [stderr] 566 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:161:5
[INFO] [stderr]     |
[INFO] [stderr] 161 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:198:5
[INFO] [stderr]     |
[INFO] [stderr] 198 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:266:5
[INFO] [stderr]     |
[INFO] [stderr] 266 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:298:5
[INFO] [stderr]     |
[INFO] [stderr] 298 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:327:5
[INFO] [stderr]     |
[INFO] [stderr] 327 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:356:5
[INFO] [stderr]     |
[INFO] [stderr] 356 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:380:5
[INFO] [stderr]     |
[INFO] [stderr] 380 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:395:5
[INFO] [stderr]     |
[INFO] [stderr] 395 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:411:5
[INFO] [stderr]     |
[INFO] [stderr] 411 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:430:5
[INFO] [stderr]     |
[INFO] [stderr] 430 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:454:5
[INFO] [stderr]     |
[INFO] [stderr] 454 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:475:5
[INFO] [stderr]     |
[INFO] [stderr] 475 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:520:5
[INFO] [stderr]     |
[INFO] [stderr] 520 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:540:5
[INFO] [stderr]     |
[INFO] [stderr] 540 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:562:5
[INFO] [stderr]     |
[INFO] [stderr] 562 |     #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:698:1
[INFO] [stderr]     |
[INFO] [stderr] 698 | #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:726:1
[INFO] [stderr]     |
[INFO] [stderr] 726 | #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:754:1
[INFO] [stderr]     |
[INFO] [stderr] 754 | #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: stability attributes may not be used outside of the standard library
[INFO] [stderr]    --> src/set.rs:782:1
[INFO] [stderr]     |
[INFO] [stderr] 782 | #[unstable = "matches collection reform specification, waiting for dust to settle"]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stderr]     --> src/set.rs:1016:9
[INFO] [stderr]      |
[INFO] [stderr] 1016 | /         extern "rust-call" fn call_mut(&mut self, (&x,): (&'c i32,)) -> bool {
[INFO] [stderr] 1017 | |             assert_eq!(x, self.expected[*self.i]);
[INFO] [stderr] 1018 | |             *self.i += 1;
[INFO] [stderr] 1019 | |             true
[INFO] [stderr] 1020 | |         }
[INFO] [stderr]      | |_________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/29625
[INFO] [stderr]      = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::hash::SipHasher': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stderr]     --> src/set.rs:1006:31
[INFO] [stderr]      |
[INFO] [stderr] 1006 |       assert!(hash::hash::<_, hash::SipHasher>(&x) == hash::hash::<_, hash::SipHasher>(&y));
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::hash::SipHasher': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stderr]     --> src/set.rs:1006:71
[INFO] [stderr]      |
[INFO] [stderr] 1006 |       assert!(hash::hash::<_, hash::SipHasher>(&x) == hash::hash::<_, hash::SipHasher>(&y));
[INFO] [stderr]      |                                                                       ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: expected a `std::ops::FnOnce<(&'c i32,)>` closure, found `set::test::Counter<'a, 'b>`
[INFO] [stderr]     --> src/set.rs:1014:22
[INFO] [stderr]      |
[INFO] [stderr] 1014 |     impl<'a, 'b, 'c> FnMut<(&'c i32,)> for Counter<'a, 'b> {
[INFO] [stderr]      |                      ^^^^^^^^^^^^^^^^^ expected an `FnOnce<(&'c i32,)>` closure, found `set::test::Counter<'a, 'b>`
[INFO] [stderr]      |
[INFO] [stderr]      = help: the trait `std::ops::FnOnce<(&'c i32,)>` is not implemented for `set::test::Counter<'a, 'b>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 94 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0412, E0425, E0432, E0433, E0437, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `bst`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d335a99838d562dfea09b1e5955b719388003ca960fc6b140e277201fb9c1fa5"`
[INFO] running `"docker" "rm" "-f" "d335a99838d562dfea09b1e5955b719388003ca960fc6b140e277201fb9c1fa5"`
[INFO] [stdout] d335a99838d562dfea09b1e5955b719388003ca960fc6b140e277201fb9c1fa5