[INFO] crate algo 0.1.9 is already in cache
[INFO] checking algo-0.1.9 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate algo 0.1.9 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate algo 0.1.9 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate algo 0.1.9
[INFO] finished tweaking crates.io crate algo 0.1.9
[INFO] tweaked toml for crates.io crate algo 0.1.9 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ce0b646d30ca1ab749b6a6af7bb1c3dd71c48aa0334236ce3cc28a042a107c6a
[INFO] running `"docker" "start" "-a" "ce0b646d30ca1ab749b6a6af7bb1c3dd71c48aa0334236ce3cc28a042a107c6a"`
[INFO] [stderr]     Checking algo v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr] error: unexpected token: `...`
[INFO] [stderr]   --> src/search/max_subarray.rs:41:56
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (left_idx, left_max) = cross_part_max(arr, (low...mid).rev());
[INFO] [stderr]    |                                                        ^^^
[INFO] [stderr]    |
[INFO] [stderr] help: use `..` for an exclusive range
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (left_idx, left_max) = cross_part_max(arr, (low..mid).rev());
[INFO] [stderr]    |                                                        ^^
[INFO] [stderr] help: or `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (left_idx, left_max) = cross_part_max(arr, (low..=mid).rev());
[INFO] [stderr]    |                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] error: unexpected token: `...`
[INFO] [stderr]   --> src/search/max_subarray.rs:42:63
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let (right_idx, right_max) = cross_part_max(arr, (mid + 1)...high);
[INFO] [stderr]    |                                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr] help: use `..` for an exclusive range
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let (right_idx, right_max) = cross_part_max(arr, (mid + 1)..high);
[INFO] [stderr]    |                                                               ^^
[INFO] [stderr] help: or `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let (right_idx, right_max) = cross_part_max(arr, (mid + 1)..=high);
[INFO] [stderr]    |                                                               ^^^
[INFO] [stderr] 
[INFO] [stderr] error: unexpected token: `...`
[INFO] [stderr]   --> src/search/max_subarray.rs:41:56
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (left_idx, left_max) = cross_part_max(arr, (low...mid).rev());
[INFO] [stderr]    |                                                        ^^^
[INFO] [stderr]    |
[INFO] [stderr] help: use `..` for an exclusive range
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (left_idx, left_max) = cross_part_max(arr, (low..mid).rev());
[INFO] [stderr]    |                                                        ^^
[INFO] [stderr] help: or `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (left_idx, left_max) = cross_part_max(arr, (low..=mid).rev());
[INFO] [stderr]    |                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] error: unexpected token: `...`
[INFO] [stderr]   --> src/search/max_subarray.rs:42:63
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let (right_idx, right_max) = cross_part_max(arr, (mid + 1)...high);
[INFO] [stderr]    |                                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr] help: use `..` for an exclusive range
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let (right_idx, right_max) = cross_part_max(arr, (mid + 1)..high);
[INFO] [stderr]    |                                                               ^^
[INFO] [stderr] help: or `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let (right_idx, right_max) = cross_part_max(arr, (mid + 1)..=high);
[INFO] [stderr]    |                                                               ^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `std::num::Zero`, `std::num::One`
[INFO] [stderr]  --> src/math/gcd.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::num::{Zero, One};
[INFO] [stderr]   |                ^^^^  ^^^ no `One` in `num`
[INFO] [stderr]   |                |
[INFO] [stderr]   |                no `Zero` in `num`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::num::Zero`
[INFO] [stderr]  --> src/math/lcm.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::num::Zero;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^ no `Zero` in `num`
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/math/gcd.rs:119:3
[INFO] [stderr]     |
[INFO] [stderr] 119 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[deny(soft_unstable)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/math/gcd.rs:124:3
[INFO] [stderr]     |
[INFO] [stderr] 124 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/search/kmp.rs:108:3
[INFO] [stderr]     |
[INFO] [stderr] 108 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/search/kmp.rs:117:3
[INFO] [stderr]     |
[INFO] [stderr] 117 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]   --> src/search/max_subarray.rs:80:3
[INFO] [stderr]    |
[INFO] [stderr] 80 | #[bench]
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]   --> src/sort/insertion.rs:70:3
[INFO] [stderr]    |
[INFO] [stderr] 70 | #[bench]
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]   --> src/sort/insertion.rs:79:3
[INFO] [stderr]    |
[INFO] [stderr] 79 | #[bench]
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]   --> src/sort/insertion.rs:88:3
[INFO] [stderr]    |
[INFO] [stderr] 88 | #[bench]
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]   --> src/sort/selection.rs:26:3
[INFO] [stderr]    |
[INFO] [stderr] 26 | #[bench]
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]   --> src/sort/merge.rs:45:3
[INFO] [stderr]    |
[INFO] [stderr] 45 | #[bench]
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]   --> src/sort/heap.rs:76:3
[INFO] [stderr]    |
[INFO] [stderr] 76 | #[bench]
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]   --> src/sort/mod.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[bench]
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/data_structures/heap/fibonacci.rs:457:3
[INFO] [stderr]     |
[INFO] [stderr] 457 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/data_structures/heap/unsafe_fibonacci.rs:431:3
[INFO] [stderr]     |
[INFO] [stderr] 431 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]  --> src/data_structures/heap/mod.rs:7:3
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[bench]
[INFO] [stderr]   |   ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 19 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `algo`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0432]: unresolved imports `std::num::Zero`, `std::num::One`
[INFO] [stderr]  --> src/math/gcd.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::num::{Zero, One};
[INFO] [stderr]   |                ^^^^  ^^^ no `One` in `num`
[INFO] [stderr]   |                |
[INFO] [stderr]   |                no `Zero` in `num`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::num::Zero`
[INFO] [stderr]  --> src/math/lcm.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::num::Zero;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^ no `Zero` in `num`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `algo`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ce0b646d30ca1ab749b6a6af7bb1c3dd71c48aa0334236ce3cc28a042a107c6a"`
[INFO] running `"docker" "rm" "-f" "ce0b646d30ca1ab749b6a6af7bb1c3dd71c48aa0334236ce3cc28a042a107c6a"`
[INFO] [stdout] ce0b646d30ca1ab749b6a6af7bb1c3dd71c48aa0334236ce3cc28a042a107c6a
