[INFO] cloning repository https://github.com/h3nnn4n/anti-sheep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/h3nnn4n/anti-sheep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh3nnn4n%2Fanti-sheep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh3nnn4n%2Fanti-sheep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a858d3b2d235f0d5e0312a8e9508b010abda448b
[INFO] checking h3nnn4n/anti-sheep against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh3nnn4n%2Fanti-sheep" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/h3nnn4n/anti-sheep on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/h3nnn4n/anti-sheep
[INFO] finished tweaking git repo https://github.com/h3nnn4n/anti-sheep
[INFO] tweaked toml for git repo https://github.com/h3nnn4n/anti-sheep written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/h3nnn4n/anti-sheep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d41491002bdfdd9cbb2cb3812dfdc29027e00c8dddd45e23676e8a96f14b7dac
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d41491002bdfdd9cbb2cb3812dfdc29027e00c8dddd45e23676e8a96f14b7dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d41491002bdfdd9cbb2cb3812dfdc29027e00c8dddd45e23676e8a96f14b7dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d41491002bdfdd9cbb2cb3812dfdc29027e00c8dddd45e23676e8a96f14b7dac", kill_on_drop: false }`
[INFO] [stdout] d41491002bdfdd9cbb2cb3812dfdc29027e00c8dddd45e23676e8a96f14b7dac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b72e24f9a7a40ed75b36c4d58c2a2da415504f8e71020a6beef10874d81d207
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5b72e24f9a7a40ed75b36c4d58c2a2da415504f8e71020a6beef10874d81d207", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking anti-sheep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]   --> src/defs.rs:71:15
[INFO] [stdout]    |
[INFO] [stdout] 71 |         MOVES.into_iter()
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 71 |         MOVES.iter()
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 71 |         IntoIterator::into_iter(MOVES)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]   --> src/defs.rs:87:15
[INFO] [stdout]    |
[INFO] [stdout] 87 |         MOVES.into_iter()
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 87 |         MOVES.iter()
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 87 |         IntoIterator::into_iter(MOVES)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/defs.rs:286:17
[INFO] [stdout]     |
[INFO] [stdout] 286 |             let mut reverse_solve_sequence =
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]   --> src/defs.rs:71:15
[INFO] [stdout]    |
[INFO] [stdout] 71 |         MOVES.into_iter()
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 71 |         MOVES.iter()
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 71 |         IntoIterator::into_iter(MOVES)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]   --> src/defs.rs:87:15
[INFO] [stdout]    |
[INFO] [stdout] 87 |         MOVES.into_iter()
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 87 |         MOVES.iter()
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 87 |         IntoIterator::into_iter(MOVES)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "5b72e24f9a7a40ed75b36c4d58c2a2da415504f8e71020a6beef10874d81d207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b72e24f9a7a40ed75b36c4d58c2a2da415504f8e71020a6beef10874d81d207", kill_on_drop: false }`
[INFO] [stdout] 5b72e24f9a7a40ed75b36c4d58c2a2da415504f8e71020a6beef10874d81d207