[INFO] fetching crate codepage-437 0.1.0...
[INFO] checking codepage-437-0.1.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate codepage-437 0.1.0 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate codepage-437 0.1.0 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 codepage-437 0.1.0
[INFO] finished tweaking crates.io crate codepage-437 0.1.0
[INFO] tweaked toml for crates.io crate codepage-437 0.1.0 written to /workspace/builds/worker-41/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] d3e69bc57ae2c27869746779b0246d39f0928755437e75ed0d7ba4dd05df95ed
[INFO] running `Command { std: "docker" "start" "-a" "d3e69bc57ae2c27869746779b0246d39f0928755437e75ed0d7ba4dd05df95ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3e69bc57ae2c27869746779b0246d39f0928755437e75ed0d7ba4dd05df95ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3e69bc57ae2c27869746779b0246d39f0928755437e75ed0d7ba4dd05df95ed", kill_on_drop: false }`
[INFO] [stdout] d3e69bc57ae2c27869746779b0246d39f0928755437e75ed0d7ba4dd05df95ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 837b07a4494be4a708a4677d37ffc7f0f114dae5302d2a212503148a0988415f
[INFO] running `Command { std: "docker" "start" "-a" "837b07a4494be4a708a4677d37ffc7f0f114dae5302d2a212503148a0988415f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling codepage-437 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]   --> tests/cp437_wingdings/encode/to_cp437/borrowing.rs:12:34
[INFO] [stdout]    |
[INFO] [stdout] 12 |         assert!(is_borrowed(&[c].into_iter().collect::<String>().to_cp437(&CP437_WINGDINGS).unwrap()));
[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] 12 |         assert!(is_borrowed(&[c].iter().collect::<String>().to_cp437(&CP437_WINGDINGS).unwrap()));
[INFO] [stdout]    |                                  ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 12 |         assert!(is_borrowed(&IntoIterator::into_iter([c]).collect::<String>().to_cp437(&CP437_WINGDINGS).unwrap()));
[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/cp437_wingdings/encode/to_cp437/borrowing.rs:23:35
[INFO] [stdout]    |
[INFO] [stdout] 23 |         assert!(!is_borrowed(&[c].into_iter().collect::<String>().to_cp437(&CP437_WINGDINGS).unwrap()));
[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] 23 |         assert!(!is_borrowed(&[c].iter().collect::<String>().to_cp437(&CP437_WINGDINGS).unwrap()));
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 23 |         assert!(!is_borrowed(&IntoIterator::into_iter([c]).collect::<String>().to_cp437(&CP437_WINGDINGS).unwrap()));
[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/cp437_wingdings/encode/to_cp437/borrowing.rs:42:47
[INFO] [stdout]    |
[INFO] [stdout] 42 |         assert!(!is_borrowed(&[c, new_beyond].into_iter().collect::<String>().to_cp437(&CP437_WINGDINGS).unwrap()));
[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] 42 |         assert!(!is_borrowed(&[c, new_beyond].iter().collect::<String>().to_cp437(&CP437_WINGDINGS).unwrap()));
[INFO] [stdout]    |                                               ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 42 |         assert!(!is_borrowed(&IntoIterator::into_iter([c, new_beyond]).collect::<String>().to_cp437(&CP437_WINGDINGS).unwrap()));
[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/cp437_control/encode/to_cp437/borrowing.rs:12:34
[INFO] [stdout]    |
[INFO] [stdout] 12 |         assert!(is_borrowed(&[c].into_iter().collect::<String>().to_cp437(&CP437_CONTROL).unwrap()));
[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] 12 |         assert!(is_borrowed(&[c].iter().collect::<String>().to_cp437(&CP437_CONTROL).unwrap()));
[INFO] [stdout]    |                                  ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 12 |         assert!(is_borrowed(&IntoIterator::into_iter([c]).collect::<String>().to_cp437(&CP437_CONTROL).unwrap()));
[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/cp437_control/encode/to_cp437/borrowing.rs:23:35
[INFO] [stdout]    |
[INFO] [stdout] 23 |         assert!(!is_borrowed(&[c].into_iter().collect::<String>().to_cp437(&CP437_CONTROL).unwrap()));
[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] 23 |         assert!(!is_borrowed(&[c].iter().collect::<String>().to_cp437(&CP437_CONTROL).unwrap()));
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 23 |         assert!(!is_borrowed(&IntoIterator::into_iter([c]).collect::<String>().to_cp437(&CP437_CONTROL).unwrap()));
[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/cp437_control/encode/to_cp437/borrowing.rs:42:47
[INFO] [stdout]    |
[INFO] [stdout] 42 |         assert!(!is_borrowed(&[c, new_beyond].into_iter().collect::<String>().to_cp437(&CP437_CONTROL).unwrap()));
[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] 42 |         assert!(!is_borrowed(&[c, new_beyond].iter().collect::<String>().to_cp437(&CP437_CONTROL).unwrap()));
[INFO] [stdout]    |                                               ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 42 |         assert!(!is_borrowed(&IntoIterator::into_iter([c, new_beyond]).collect::<String>().to_cp437(&CP437_CONTROL).unwrap()));
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^               ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.45s
[INFO] running `Command { std: "docker" "inspect" "837b07a4494be4a708a4677d37ffc7f0f114dae5302d2a212503148a0988415f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "837b07a4494be4a708a4677d37ffc7f0f114dae5302d2a212503148a0988415f", kill_on_drop: false }`
[INFO] [stdout] 837b07a4494be4a708a4677d37ffc7f0f114dae5302d2a212503148a0988415f
