[INFO] fetching crate codepage-437 0.1.0... [INFO] checking codepage-437-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate codepage-437 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate codepage-437 0.1.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 11 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cff31a119959d737fafedb9620fc64cfd9533f81fa499460f51b62e9236960a0 [INFO] running `Command { std: "docker" "start" "-a" "cff31a119959d737fafedb9620fc64cfd9533f81fa499460f51b62e9236960a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cff31a119959d737fafedb9620fc64cfd9533f81fa499460f51b62e9236960a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cff31a119959d737fafedb9620fc64cfd9533f81fa499460f51b62e9236960a0", kill_on_drop: false }` [INFO] [stdout] cff31a119959d737fafedb9620fc64cfd9533f81fa499460f51b62e9236960a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c3f0fa58390381fd4445d479e8c896aea687e593e56c7594765e3f9b95fc06f8 [INFO] running `Command { std: "docker" "start" "-a" "c3f0fa58390381fd4445d479e8c896aea687e593e56c7594765e3f9b95fc06f8", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling itoa v1.0.11 [INFO] [stderr] Compiling ryu v1.0.18 [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::().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 [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::().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::().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::().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 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 23 | assert!(!is_borrowed(&[c].iter().collect::().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::().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::().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 [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::().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::().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::().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 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 12 | assert!(is_borrowed(&[c].iter().collect::().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::().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::().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 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 23 | assert!(!is_borrowed(&[c].iter().collect::().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::().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::().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 [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::().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::().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` profile [unoptimized + debuginfo] target(s) in 6.24s [INFO] running `Command { std: "docker" "inspect" "c3f0fa58390381fd4445d479e8c896aea687e593e56c7594765e3f9b95fc06f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3f0fa58390381fd4445d479e8c896aea687e593e56c7594765e3f9b95fc06f8", kill_on_drop: false }` [INFO] [stdout] c3f0fa58390381fd4445d479e8c896aea687e593e56c7594765e3f9b95fc06f8