[INFO] fetching crate algo 0.1.9...
[INFO] checking algo-0.1.9 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate algo 0.1.9 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate algo 0.1.9 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62a09a4acb6980ae7e1a2c48e168c3049dca3267aa32b60946544ad33c09cb88
[INFO] running `Command { std: "docker" "start" "-a" "62a09a4acb6980ae7e1a2c48e168c3049dca3267aa32b60946544ad33c09cb88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62a09a4acb6980ae7e1a2c48e168c3049dca3267aa32b60946544ad33c09cb88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62a09a4acb6980ae7e1a2c48e168c3049dca3267aa32b60946544ad33c09cb88", kill_on_drop: false }`
[INFO] [stdout] 62a09a4acb6980ae7e1a2c48e168c3049dca3267aa32b60946544ad33c09cb88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 008956ea8cf1b45fdb2e1c1ea538c8999c81fe0fd0a238b30ecaed00edbba80f
[INFO] running `Command { std: "docker" "start" "-a" "008956ea8cf1b45fdb2e1c1ea538c8999c81fe0fd0a238b30ecaed00edbba80f", kill_on_drop: false }`
[INFO] [stderr]     Checking algo v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected token: `...`
[INFO] [stdout]   --> src/search/max_subarray.rs:41:56
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (left_idx, left_max) = cross_part_max(arr, (low...mid).rev());
[INFO] [stdout]    |                                                        ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `..` for an exclusive range
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (left_idx, left_max) = cross_part_max(arr, (low..mid).rev());
[INFO] [stdout]    |                                                        ~~
[INFO] [stdout] help: or `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (left_idx, left_max) = cross_part_max(arr, (low..=mid).rev());
[INFO] [stdout]    |                                                        ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `...`
[INFO] [stdout]   --> src/search/max_subarray.rs:41:56
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (left_idx, left_max) = cross_part_max(arr, (low...mid).rev());
[INFO] [stdout]    |                                                        ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `..` for an exclusive range
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (left_idx, left_max) = cross_part_max(arr, (low..mid).rev());
[INFO] [stdout]    |                                                        ~~
[INFO] [stdout] help: or `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (left_idx, left_max) = cross_part_max(arr, (low..=mid).rev());
[INFO] [stdout]    |                                                        ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `...`
[INFO] [stdout]   --> src/search/max_subarray.rs:42:63
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let (right_idx, right_max) = cross_part_max(arr, (mid + 1)...high);
[INFO] [stdout]    |                                                               ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `..` for an exclusive range
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let (right_idx, right_max) = cross_part_max(arr, (mid + 1)..high);
[INFO] [stdout]    |                                                               ~~
[INFO] [stdout] help: or `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let (right_idx, right_max) = cross_part_max(arr, (mid + 1)..=high);
[INFO] [stdout]    |                                                               ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `...`
[INFO] [stdout]   --> src/search/max_subarray.rs:42:63
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let (right_idx, right_max) = cross_part_max(arr, (mid + 1)...high);
[INFO] [stdout]    |                                                               ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `..` for an exclusive range
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let (right_idx, right_max) = cross_part_max(arr, (mid + 1)..high);
[INFO] [stdout]    |                                                               ~~
[INFO] [stdout] help: or `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let (right_idx, right_max) = cross_part_max(arr, (mid + 1)..=high);
[INFO] [stdout]    |                                                               ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::num::Zero`, `std::num::One`
[INFO] [stdout]  --> src/math/gcd.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::num::{Zero, One};
[INFO] [stdout]   |                ^^^^  ^^^ no `One` in `num`
[INFO] [stdout]   |                |
[INFO] [stdout]   |                no `Zero` in `num`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing one of these items instead:
[INFO] [stdout]           std::num::FpCategory::Zero
[INFO] [stdout]           std::num::IntErrorKind::Zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Zero`
[INFO] [stdout]  --> src/math/lcm.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::num::Zero;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ no `Zero` in `num`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items instead
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::num::FpCategory::Zero;
[INFO] [stdout]   |     ~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 1 | use std::num::IntErrorKind::Zero;
[INFO] [stdout]   |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/math/gcd.rs:119:3
[INFO] [stdout]     |
[INFO] [stdout] 119 | #[bench]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout]     = note: `#[deny(soft_unstable)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/math/gcd.rs:124:3
[INFO] [stdout]     |
[INFO] [stdout] 124 | #[bench]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/search/kmp.rs:108:3
[INFO] [stdout]     |
[INFO] [stdout] 108 | #[bench]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/search/kmp.rs:117:3
[INFO] [stdout]     |
[INFO] [stdout] 117 | #[bench]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]   --> src/search/max_subarray.rs:80:3
[INFO] [stdout]    |
[INFO] [stdout] 80 | #[bench]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]   --> src/sort/mod.rs:16:3
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[bench]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]   --> src/sort/insertion.rs:70:3
[INFO] [stdout]    |
[INFO] [stdout] 70 | #[bench]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]   --> src/sort/insertion.rs:79:3
[INFO] [stdout]    |
[INFO] [stdout] 79 | #[bench]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]   --> src/sort/insertion.rs:88:3
[INFO] [stdout]    |
[INFO] [stdout] 88 | #[bench]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]   --> src/sort/selection.rs:26:3
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[bench]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]   --> src/sort/merge.rs:45:3
[INFO] [stdout]    |
[INFO] [stdout] 45 | #[bench]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]   --> src/sort/heap.rs:76:3
[INFO] [stdout]    |
[INFO] [stdout] 76 | #[bench]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]  --> src/data_structures/heap/mod.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[bench]
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/data_structures/heap/fibonacci.rs:457:3
[INFO] [stdout]     |
[INFO] [stdout] 457 | #[bench]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/data_structures/heap/unsafe_fibonacci.rs:431:3
[INFO] [stdout]     |
[INFO] [stdout] 431 | #[bench]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::num::Zero`, `std::num::One`
[INFO] [stdout]  --> src/math/gcd.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::num::{Zero, One};
[INFO] [stdout]   |                ^^^^  ^^^ no `One` in `num`
[INFO] [stdout]   |                |
[INFO] [stdout]   |                no `Zero` in `num`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing one of these items instead:
[INFO] [stdout]           std::num::FpCategory::Zero
[INFO] [stdout]           std::num::IntErrorKind::Zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Zero`
[INFO] [stdout]  --> src/math/lcm.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::num::Zero;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ no `Zero` in `num`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items instead
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::num::FpCategory::Zero;
[INFO] [stdout]   |     ~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 1 | use std::num::IntErrorKind::Zero;
[INFO] [stdout]   |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(zero_one, inclusive_range_syntax)]
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `zero_one`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(zero_one, inclusive_range_syntax)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 20 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(zero_one, inclusive_range_syntax)]
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `zero_one`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(zero_one, inclusive_range_syntax)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `algo` (lib) due to 36 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `algo` (lib test) due to 6 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "008956ea8cf1b45fdb2e1c1ea538c8999c81fe0fd0a238b30ecaed00edbba80f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "008956ea8cf1b45fdb2e1c1ea538c8999c81fe0fd0a238b30ecaed00edbba80f", kill_on_drop: false }`
[INFO] [stdout] 008956ea8cf1b45fdb2e1c1ea538c8999c81fe0fd0a238b30ecaed00edbba80f
[INFO] checking algo-0.1.9 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate algo 0.1.9 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate algo 0.1.9 on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13ebe52b0b946f74bde5703e11efa78f895d35c87c302e81f4877a0c7d9214b3
[INFO] running `Command { std: "docker" "start" "-a" "13ebe52b0b946f74bde5703e11efa78f895d35c87c302e81f4877a0c7d9214b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13ebe52b0b946f74bde5703e11efa78f895d35c87c302e81f4877a0c7d9214b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13ebe52b0b946f74bde5703e11efa78f895d35c87c302e81f4877a0c7d9214b3", kill_on_drop: false }`
[INFO] [stdout] 13ebe52b0b946f74bde5703e11efa78f895d35c87c302e81f4877a0c7d9214b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b138aea55a54e4506ac77d4877ee84694fd11453813576b7b616f93c9270b77
[INFO] running `Command { std: "docker" "start" "-a" "3b138aea55a54e4506ac77d4877ee84694fd11453813576b7b616f93c9270b77", kill_on_drop: false }`
[INFO] [stderr]     Checking algo v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected token: `...`
[INFO] [stdout]   --> src/search/max_subarray.rs:41:56
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (left_idx, left_max) = cross_part_max(arr, (low...mid).rev());
[INFO] [stdout]    |                                                        ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `..` for an exclusive range
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (left_idx, left_max) = cross_part_max(arr, (low..mid).rev());
[INFO] [stdout]    |                                                        ~~
[INFO] [stdout] help: or `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (left_idx, left_max) = cross_part_max(arr, (low..=mid).rev());
[INFO] [stdout]    |                                                        ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `...`
[INFO] [stdout]   --> src/search/max_subarray.rs:42:63
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let (right_idx, right_max) = cross_part_max(arr, (mid + 1)...high);
[INFO] [stdout]    |                                                               ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `..` for an exclusive range
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let (right_idx, right_max) = cross_part_max(arr, (mid + 1)..high);
[INFO] [stdout]    |                                                               ~~
[INFO] [stdout] help: or `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let (right_idx, right_max) = cross_part_max(arr, (mid + 1)..=high);
[INFO] [stdout]    |                                                               ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `...`
[INFO] [stdout]   --> src/search/max_subarray.rs:41:56
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (left_idx, left_max) = cross_part_max(arr, (low...mid).rev());
[INFO] [stdout]    |                                                        ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `..` for an exclusive range
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (left_idx, left_max) = cross_part_max(arr, (low..mid).rev());
[INFO] [stdout]    |                                                        ~~
[INFO] [stdout] help: or `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (left_idx, left_max) = cross_part_max(arr, (low..=mid).rev());
[INFO] [stdout]    |                                                        ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `...`
[INFO] [stdout]   --> src/search/max_subarray.rs:42:63
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let (right_idx, right_max) = cross_part_max(arr, (mid + 1)...high);
[INFO] [stdout]    |                                                               ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `..` for an exclusive range
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let (right_idx, right_max) = cross_part_max(arr, (mid + 1)..high);
[INFO] [stdout]    |                                                               ~~
[INFO] [stdout] help: or `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let (right_idx, right_max) = cross_part_max(arr, (mid + 1)..=high);
[INFO] [stdout]    |                                                               ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::num::Zero`, `std::num::One`
[INFO] [stdout]  --> src/math/gcd.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::num::{Zero, One};
[INFO] [stdout]   |                ^^^^  ^^^ no `One` in `num`
[INFO] [stdout]   |                |
[INFO] [stdout]   |                no `Zero` in `num`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing one of these items instead:
[INFO] [stdout]           std::num::FpCategory::Zero
[INFO] [stdout]           std::num::IntErrorKind::Zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Zero`
[INFO] [stdout]  --> src/math/lcm.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::num::Zero;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ no `Zero` in `num`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items instead
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::num::FpCategory::Zero;
[INFO] [stdout]   |     ~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 1 | use std::num::IntErrorKind::Zero;
[INFO] [stdout]   |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/math/gcd.rs:119:3
[INFO] [stdout]     |
[INFO] [stdout] 119 | #[bench]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout]     = note: `#[deny(soft_unstable)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/math/gcd.rs:124:3
[INFO] [stdout]     |
[INFO] [stdout] 124 | #[bench]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/search/kmp.rs:108:3
[INFO] [stdout]     |
[INFO] [stdout] 108 | #[bench]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/search/kmp.rs:117:3
[INFO] [stdout]     |
[INFO] [stdout] 117 | #[bench]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]  --> src/search/kmp.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     for i in 1..m {
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]   --> src/search/kmp.rs:82:45
[INFO] [stdout]    |
[INFO] [stdout] 82 |         match find_first_with_table(&target[next..], pattern, table) {
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]   --> src/search/max_subarray.rs:80:3
[INFO] [stdout]    |
[INFO] [stdout] 80 | #[bench]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeInclusive` range syntax
[INFO] [stdout]   --> src/search/max_subarray.rs:41:53
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (left_idx, left_max) = cross_part_max(arr, (low...mid).rev());
[INFO] [stdout]    |                                                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeInclusive` range syntax
[INFO] [stdout]   --> src/search/max_subarray.rs:42:54
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let (right_idx, right_max) = cross_part_max(arr, (mid + 1)...high);
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]   --> src/sort/mod.rs:16:3
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[bench]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]   --> src/sort/insertion.rs:70:3
[INFO] [stdout]    |
[INFO] [stdout] 70 | #[bench]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]   --> src/sort/insertion.rs:79:3
[INFO] [stdout]    |
[INFO] [stdout] 79 | #[bench]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]   --> src/sort/insertion.rs:88:3
[INFO] [stdout]    |
[INFO] [stdout] 88 | #[bench]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]  --> src/sort/insertion.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 |     for i in 1..arr.len() {
[INFO] [stdout]   |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/sort/insertion.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 |     for i in 1..arr.len() {
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/sort/insertion.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 |     for i in 1..arr.len() {
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/sort/insertion.rs:32:19
[INFO] [stdout]    |
[INFO] [stdout] 32 |         match arr[0..i].binary_search(&arr[i]) {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/sort/insertion.rs:35:26
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 for j in 0..(i - idx) {
[INFO] [stdout]    |                          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]   --> src/sort/selection.rs:26:3
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[bench]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]  --> src/sort/selection.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |     for i in 0..(len - 1) {
[INFO] [stdout]   |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]  --> src/sort/selection.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 |         for j in (i + 1)..len {
[INFO] [stdout]   |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]   --> src/sort/merge.rs:45:3
[INFO] [stdout]    |
[INFO] [stdout] 45 | #[bench]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]  --> src/sort/merge.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 |         sort(&mut arr[(len / 2)..]);
[INFO] [stdout]   |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]   --> src/sort/merge.rs:20:34
[INFO] [stdout]    |
[INFO] [stdout] 20 |     right.extend_from_slice(&arr[left_len..]);
[INFO] [stdout]    |                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/sort/merge.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |     for k in 0..len {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]   --> src/sort/heap.rs:76:3
[INFO] [stdout]    |
[INFO] [stdout] 76 | #[bench]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]  --> src/data_structures/heap/mod.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[bench]
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/data_structures/heap/fibonacci.rs:457:3
[INFO] [stdout]     |
[INFO] [stdout] 457 | #[bench]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/data_structures/heap/unsafe_fibonacci.rs:431:3
[INFO] [stdout]     |
[INFO] [stdout] 431 | #[bench]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::num::Zero`, `std::num::One`
[INFO] [stdout]  --> src/math/gcd.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::num::{Zero, One};
[INFO] [stdout]   |                ^^^^  ^^^ no `One` in `num`
[INFO] [stdout]   |                |
[INFO] [stdout]   |                no `Zero` in `num`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing one of these items instead:
[INFO] [stdout]           std::num::FpCategory::Zero
[INFO] [stdout]           std::num::IntErrorKind::Zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Zero`
[INFO] [stdout]  --> src/math/lcm.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::num::Zero;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ no `Zero` in `num`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items instead
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::num::FpCategory::Zero;
[INFO] [stdout]   |     ~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 1 | use std::num::IntErrorKind::Zero;
[INFO] [stdout]   |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(zero_one, inclusive_range_syntax)]
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `zero_one`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(zero_one, inclusive_range_syntax)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]  --> src/search/kmp.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     for i in 1..m {
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]   --> src/search/kmp.rs:82:45
[INFO] [stdout]    |
[INFO] [stdout] 82 |         match find_first_with_table(&target[next..], pattern, table) {
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeInclusive` range syntax
[INFO] [stdout]   --> src/search/max_subarray.rs:41:53
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (left_idx, left_max) = cross_part_max(arr, (low...mid).rev());
[INFO] [stdout]    |                                                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeInclusive` range syntax
[INFO] [stdout]   --> src/search/max_subarray.rs:42:54
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let (right_idx, right_max) = cross_part_max(arr, (mid + 1)...high);
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]  --> src/sort/insertion.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 |     for i in 1..arr.len() {
[INFO] [stdout]   |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/sort/insertion.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 |     for i in 1..arr.len() {
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/sort/insertion.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 |     for i in 1..arr.len() {
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/sort/insertion.rs:32:19
[INFO] [stdout]    |
[INFO] [stdout] 32 |         match arr[0..i].binary_search(&arr[i]) {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/sort/insertion.rs:35:26
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 for j in 0..(i - idx) {
[INFO] [stdout]    |                          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/sort/insertion.rs:73:34
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let mut arr: Vec<u32> = (0..1000).rev().collect();
[INFO] [stdout]    |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/sort/insertion.rs:82:34
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let mut arr: Vec<u32> = (0..1000).rev().collect();
[INFO] [stdout]    |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/sort/insertion.rs:91:34
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let mut arr: Vec<u32> = (0..1000).rev().collect();
[INFO] [stdout]    |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]  --> src/sort/selection.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |     for i in 0..(len - 1) {
[INFO] [stdout]   |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]  --> src/sort/selection.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 |         for j in (i + 1)..len {
[INFO] [stdout]   |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/sort/selection.rs:29:34
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut arr: Vec<u32> = (0..1000).rev().collect();
[INFO] [stdout]    |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]  --> src/sort/merge.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 |         sort(&mut arr[(len / 2)..]);
[INFO] [stdout]   |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 20 previous errors; 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]   --> src/sort/merge.rs:20:34
[INFO] [stdout]    |
[INFO] [stdout] 20 |     right.extend_from_slice(&arr[left_len..]);
[INFO] [stdout]    |                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0635.
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/sort/merge.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |     for k in 0..len {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/sort/merge.rs:48:34
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let mut arr: Vec<u32> = (0..1000).rev().collect();
[INFO] [stdout]    |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/sort/heap.rs:79:34
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let mut arr: Vec<u32> = (0..1000).rev().collect();
[INFO] [stdout]    |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/sort/mod.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut arr: Vec<u32> = (0..1000).rev().collect();
[INFO] [stdout]    |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/data_structures/heap/fibonacci.rs:463:18
[INFO] [stdout]     |
[INFO] [stdout] 463 |         for i in 1..10001 {
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/data_structures/heap/fibonacci.rs:467:18
[INFO] [stdout]     |
[INFO] [stdout] 467 |         for _ in 1..10001 {
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/data_structures/heap/unsafe_fibonacci.rs:437:18
[INFO] [stdout]     |
[INFO] [stdout] 437 |         for i in 1..10001 {
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/data_structures/heap/unsafe_fibonacci.rs:441:18
[INFO] [stdout]     |
[INFO] [stdout] 441 |         for _ in 1..10001 {
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/data_structures/heap/mod.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |         for i in 1..10001 {
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/data_structures/heap/mod.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 |         for _ in 1..10001 {
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(zero_one, inclusive_range_syntax)]
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `zero_one`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(zero_one, inclusive_range_syntax)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `algo` (lib) due to 36 previous errors; 15 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 5 previous errors; 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `algo` (lib test) due to 6 previous errors; 28 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3b138aea55a54e4506ac77d4877ee84694fd11453813576b7b616f93c9270b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b138aea55a54e4506ac77d4877ee84694fd11453813576b7b616f93c9270b77", kill_on_drop: false }`
[INFO] [stdout] 3b138aea55a54e4506ac77d4877ee84694fd11453813576b7b616f93c9270b77
