[INFO] fetching crate perplex 0.4.1...
[INFO] testing perplex-0.4.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate perplex 0.4.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate perplex 0.4.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate perplex 0.4.1
[INFO] finished tweaking crates.io crate perplex 0.4.1
[INFO] tweaked toml for crates.io crate perplex 0.4.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread_local v0.3.4
[INFO] [stderr]   Downloaded stderrlog v0.4.3
[INFO] [stderr]   Downloaded perplex-runtime v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94aa85c886535e5a2ab6e5577d4262fa9e06aeb1bb8e5c8e4938d6b94d0bb5b1
[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" "94aa85c886535e5a2ab6e5577d4262fa9e06aeb1bb8e5c8e4938d6b94d0bb5b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94aa85c886535e5a2ab6e5577d4262fa9e06aeb1bb8e5c8e4938d6b94d0bb5b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94aa85c886535e5a2ab6e5577d4262fa9e06aeb1bb8e5c8e4938d6b94d0bb5b1", kill_on_drop: false }`
[INFO] [stdout] 94aa85c886535e5a2ab6e5577d4262fa9e06aeb1bb8e5c8e4938d6b94d0bb5b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98a824a84fc38c0d6c5b415207c7106b21da981c07120de3789898b095f88b01
[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" "98a824a84fc38c0d6c5b415207c7106b21da981c07120de3789898b095f88b01", kill_on_drop: false }`
[INFO] [stderr]    Compiling perplex-runtime v0.1.1
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling stderrlog v0.4.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling perplex v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/backend.rs:176:13
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let mut ta: Vec<_> = state
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/honalee.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |             let mut item_set = &mut done_list[index];
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.33s
[INFO] running `Command { std: "docker" "inspect" "98a824a84fc38c0d6c5b415207c7106b21da981c07120de3789898b095f88b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98a824a84fc38c0d6c5b415207c7106b21da981c07120de3789898b095f88b01", kill_on_drop: false }`
[INFO] [stdout] 98a824a84fc38c0d6c5b415207c7106b21da981c07120de3789898b095f88b01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a49c29517b3f5717a3377ce635aa1dbc3c9adcd236f493a1f30266fc303f355
[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" "0a49c29517b3f5717a3377ce635aa1dbc3c9adcd236f493a1f30266fc303f355", kill_on_drop: false }`
[INFO] [stderr]    Compiling perplex v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/backend.rs:176:13
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let mut ta: Vec<_> = state
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/honalee.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |             let mut item_set = &mut done_list[index];
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[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]    --> tests/tribble1.rs:200:35
[INFO] [stdout]     |
[INFO] [stdout] 200 |     let res = IterParser::new(seq.into_iter().cloned()).run();
[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] 200 |     let res = IterParser::new(seq.iter().cloned()).run();
[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 res = IterParser::new(IntoIterator::into_iter(seq).cloned()).run();
[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]    --> tests/tribble1.rs:209:35
[INFO] [stdout]     |
[INFO] [stdout] 209 |     let res = IterParser::new(seq.into_iter().cloned()).run();
[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] 209 |     let res = IterParser::new(seq.iter().cloned()).run();
[INFO] [stdout]     |                                   ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 209 |     let res = IterParser::new(IntoIterator::into_iter(seq).cloned()).run();
[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]    --> tests/tribble1.rs:218:35
[INFO] [stdout]     |
[INFO] [stdout] 218 |     let res = IterParser::new(seq.into_iter().cloned()).run();
[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] 218 |     let res = IterParser::new(seq.iter().cloned()).run();
[INFO] [stdout]     |                                   ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 218 |     let res = IterParser::new(IntoIterator::into_iter(seq).cloned()).run();
[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]    --> tests/tribble1.rs:227:35
[INFO] [stdout]     |
[INFO] [stdout] 227 |     let res = IterParser::new(seq.into_iter().cloned()).run();
[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] 227 |     let res = IterParser::new(seq.iter().cloned()).run();
[INFO] [stdout]     |                                   ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 227 |     let res = IterParser::new(IntoIterator::into_iter(seq).cloned()).run();
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/backend.rs:176:13
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let mut ta: Vec<_> = state
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/honalee.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |             let mut item_set = &mut done_list[index];
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[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/parser.rs:329:34
[INFO] [stdout]     |
[INFO] [stdout] 329 |         let res = parse_iter(seq.into_iter().cloned());
[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] 329 |         let res = parse_iter(seq.iter().cloned());
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 329 |         let res = parse_iter(IntoIterator::into_iter(seq).cloned());
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.47s
[INFO] running `Command { std: "docker" "inspect" "0a49c29517b3f5717a3377ce635aa1dbc3c9adcd236f493a1f30266fc303f355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a49c29517b3f5717a3377ce635aa1dbc3c9adcd236f493a1f30266fc303f355", kill_on_drop: false }`
[INFO] [stdout] 0a49c29517b3f5717a3377ce635aa1dbc3c9adcd236f493a1f30266fc303f355
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8ff2344ad7079c67f6f466a5352163ee439e0789e4836b9344cb166e0c13bda9
[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" "8ff2344ad7079c67f6f466a5352163ee439e0789e4836b9344cb166e0c13bda9", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/backend.rs:176:13
[INFO] [stderr]     |
[INFO] [stderr] 176 |         let mut ta: Vec<_> = state
[INFO] [stderr]     |             ----^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/honalee.rs:144:17
[INFO] [stderr]     |
[INFO] [stderr] 144 |             let mut item_set = &mut done_list[index];
[INFO] [stderr]     |                 ----^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]    --> src/parser.rs:329:34
[INFO] [stderr]     |
[INFO] [stderr] 329 |         let res = parse_iter(seq.into_iter().cloned());
[INFO] [stderr]     |                                  ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]     = warning: this changes meaning in Rust 2021
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stderr]     |
[INFO] [stderr] 329 |         let res = parse_iter(seq.iter().cloned());
[INFO] [stderr]     |                                  ^^^^
[INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stderr]     |
[INFO] [stderr] 329 |         let res = parse_iter(IntoIterator::into_iter(seq).cloned());
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^   ^
[INFO] [stderr] 
[INFO] [stderr] warning: `perplex` (lib) generated 2 warnings
[INFO] [stderr] warning: `perplex` (lib test) generated 3 warnings (2 duplicates)
[INFO] [stderr] 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] [stderr]    --> tests/tribble1.rs:200:35
[INFO] [stderr]     |
[INFO] [stderr] 200 |     let res = IterParser::new(seq.into_iter().cloned()).run();
[INFO] [stderr]     |                                   ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]     = warning: this changes meaning in Rust 2021
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stderr]     |
[INFO] [stderr] 200 |     let res = IterParser::new(seq.iter().cloned()).run();
[INFO] [stderr]     |                                   ^^^^
[INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stderr]     |
[INFO] [stderr] 200 |     let res = IterParser::new(IntoIterator::into_iter(seq).cloned()).run();
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^   ^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]    --> tests/tribble1.rs:209:35
[INFO] [stderr]     |
[INFO] [stderr] 209 |     let res = IterParser::new(seq.into_iter().cloned()).run();
[INFO] [stderr]     |                                   ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this changes meaning in Rust 2021
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stderr]     |
[INFO] [stderr] 209 |     let res = IterParser::new(seq.iter().cloned()).run();
[INFO] [stderr]     |                                   ^^^^
[INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stderr]     |
[INFO] [stderr] 209 |     let res = IterParser::new(IntoIterator::into_iter(seq).cloned()).run();
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^   ^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]    --> tests/tribble1.rs:218:35
[INFO] [stderr]     |
[INFO] [stderr] 218 |     let res = IterParser::new(seq.into_iter().cloned()).run();
[INFO] [stderr]     |                                   ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this changes meaning in Rust 2021
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stderr]     |
[INFO] [stderr] 218 |     let res = IterParser::new(seq.iter().cloned()).run();
[INFO] [stderr]     |                                   ^^^^
[INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stderr]     |
[INFO] [stderr] 218 |     let res = IterParser::new(IntoIterator::into_iter(seq).cloned()).run();
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^   ^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]    --> tests/tribble1.rs:227:35
[INFO] [stderr]     |
[INFO] [stderr] 227 |     let res = IterParser::new(seq.into_iter().cloned()).run();
[INFO] [stderr]     |                                   ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this changes meaning in Rust 2021
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stderr]     |
[INFO] [stderr] 227 |     let res = IterParser::new(seq.iter().cloned()).run();
[INFO] [stderr]     |                                   ^^^^
[INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stderr]     |
[INFO] [stderr] 227 |     let res = IterParser::new(IntoIterator::into_iter(seq).cloned()).run();
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^   ^
[INFO] [stderr] 
[INFO] [stderr] warning: `perplex` (test "tribble1") generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/perplex-e305a9f53aaac66e)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test lexer::tests::comment_multiple_lines ... ok
[INFO] [stdout] test first::test::simple_terminal ... ok
[INFO] [stdout] test parser::tests::simple1 ... ok
[INFO] [stdout] test lexer::tests::tokens2 ... ok
[INFO] [stdout] test lexer::tests::tokens1 ... ok
[INFO] [stdout] test lexer::tests::quoted_escapes_backslash ... ok
[INFO] [stdout] test first::test::epsilon_rule_is_transparent ... ok
[INFO] [stdout] test lexer::tests::quoted_escapes ... ok
[INFO] [stdout] test lexer::tests::comment_single_line ... ok
[INFO] [stdout] test first::test::simple_indirection ... ok
[INFO] [stdout] test item_set::tests::left_recursion ... ok
[INFO] [stdout] test lexer::tests::comment_inline ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/perplex-f7cb8d8bba281325)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tribble1.rs (/opt/rustwide/target/debug/deps/tribble1-6b015ae318074ba6)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test simple1 ... ok
[INFO] [stdout] test simple2 ... ok
[INFO] [stdout] test simple3 ... ok
[INFO] [stderr]    Doc-tests perplex
[INFO] [stdout] test simple4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8ff2344ad7079c67f6f466a5352163ee439e0789e4836b9344cb166e0c13bda9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ff2344ad7079c67f6f466a5352163ee439e0789e4836b9344cb166e0c13bda9", kill_on_drop: false }`
[INFO] [stdout] 8ff2344ad7079c67f6f466a5352163ee439e0789e4836b9344cb166e0c13bda9
