[INFO] fetching crate eddie 0.4.2...
[INFO] checking eddie-0.4.2 against 1.55.0 for beta-1.56-3
[INFO] extracting crate eddie 0.4.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate eddie 0.4.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate eddie 0.4.2
[INFO] finished tweaking crates.io crate eddie 0.4.2
[INFO] tweaked toml for crates.io crate eddie 0.4.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c65690a9834416ee9d9edaff705a14b2cbfef6a245f2fa03311e005640d5212a
[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" "c65690a9834416ee9d9edaff705a14b2cbfef6a245f2fa03311e005640d5212a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c65690a9834416ee9d9edaff705a14b2cbfef6a245f2fa03311e005640d5212a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c65690a9834416ee9d9edaff705a14b2cbfef6a245f2fa03311e005640d5212a", kill_on_drop: false }`
[INFO] [stdout] c65690a9834416ee9d9edaff705a14b2cbfef6a245f2fa03311e005640d5212a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7b41d9ca4a71a5aa809776f076b86ac98565feef65996d6e4e17801e2603006
[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" "c7b41d9ca4a71a5aa809776f076b86ac98565feef65996d6e4e17801e2603006", kill_on_drop: false }`
[INFO] [stderr]     Checking edit-distance v2.1.0
[INFO] [stderr]     Checking natural v0.3.0
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]     Checking txtdist v0.2.1
[INFO] [stderr]     Checking distance v0.4.0
[INFO] [stderr]     Checking eddie v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.5
[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/slice/hamming.rs:199:39
[INFO] [stdout]     |
[INFO] [stdout] 199 |             let s1: Vec<&usize> = [1].into_iter().cycle().take(i).collect();
[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] 199 |             let s1: Vec<&usize> = [1].iter().cycle().take(i).collect();
[INFO] [stdout]     |                                       ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 199 |             let s1: Vec<&usize> = IntoIterator::into_iter([1]).cycle().take(i).collect();
[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/slice/hamming.rs:200:39
[INFO] [stdout]     |
[INFO] [stdout] 200 |             let s2: Vec<&usize> = [2].into_iter().cycle().take(i).collect();
[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] 200 |             let s2: Vec<&usize> = [2].iter().cycle().take(i).collect();
[INFO] [stdout]     |                                       ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 200 |             let s2: Vec<&usize> = IntoIterator::into_iter([2]).cycle().take(i).collect();
[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/slice/hamming.rs:210:43
[INFO] [stdout]     |
[INFO] [stdout] 210 |                 let a1: Vec<&usize> = [1].into_iter().cycle().take(len1).collect();
[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] 210 |                 let a1: Vec<&usize> = [1].iter().cycle().take(len1).collect();
[INFO] [stdout]     |                                           ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 210 |                 let a1: Vec<&usize> = IntoIterator::into_iter([1]).cycle().take(len1).collect();
[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/slice/hamming.rs:211:43
[INFO] [stdout]     |
[INFO] [stdout] 211 |                 let a2: Vec<&usize> = [1].into_iter().cycle().take(len2).collect();
[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] 211 |                 let a2: Vec<&usize> = [1].iter().cycle().take(len2).collect();
[INFO] [stdout]     |                                           ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 211 |                 let a2: Vec<&usize> = IntoIterator::into_iter([1]).cycle().take(len2).collect();
[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/slice/hamming.rs:212:43
[INFO] [stdout]     |
[INFO] [stdout] 212 |                 let b2: Vec<&usize> = [2].into_iter().cycle().take(len2).collect();
[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] 212 |                 let b2: Vec<&usize> = [2].iter().cycle().take(len2).collect();
[INFO] [stdout]     |                                           ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 212 |                 let b2: Vec<&usize> = IntoIterator::into_iter([2]).cycle().take(len2).collect();
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.55s
[INFO] running `Command { std: "docker" "inspect" "c7b41d9ca4a71a5aa809776f076b86ac98565feef65996d6e4e17801e2603006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7b41d9ca4a71a5aa809776f076b86ac98565feef65996d6e4e17801e2603006", kill_on_drop: false }`
[INFO] [stdout] c7b41d9ca4a71a5aa809776f076b86ac98565feef65996d6e4e17801e2603006
