[INFO] fetching crate codepage-437 0.1.0...
[INFO] checking codepage-437-0.1.0 against master#c3def263a44e07e09ae6d57abfc8650227fb4972 for pr-118833
[INFO] extracting crate codepage-437 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate codepage-437 0.1.0 on toolchain c3def263a44e07e09ae6d57abfc8650227fb4972
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e847074933d5089b604de25fb7a7661a85634581901df2db067741b3b2038ff
[INFO] running `Command { std: "docker" "start" "-a" "6e847074933d5089b604de25fb7a7661a85634581901df2db067741b3b2038ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e847074933d5089b604de25fb7a7661a85634581901df2db067741b3b2038ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e847074933d5089b604de25fb7a7661a85634581901df2db067741b3b2038ff", kill_on_drop: false }`
[INFO] [stdout] 6e847074933d5089b604de25fb7a7661a85634581901df2db067741b3b2038ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ccdc3ce447bb9cbf51c5cac26c6febe6e74d7434596099f55cb3e224b140a80
[INFO] running `Command { std: "docker" "start" "-a" "8ccdc3ce447bb9cbf51c5cac26c6febe6e74d7434596099f55cb3e224b140a80", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling csv v1.3.0
[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]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[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 3.04s
[INFO] running `Command { std: "docker" "inspect" "8ccdc3ce447bb9cbf51c5cac26c6febe6e74d7434596099f55cb3e224b140a80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ccdc3ce447bb9cbf51c5cac26c6febe6e74d7434596099f55cb3e224b140a80", kill_on_drop: false }`
[INFO] [stdout] 8ccdc3ce447bb9cbf51c5cac26c6febe6e74d7434596099f55cb3e224b140a80