[INFO] fetching crate remove_empty_subdirs 0.1.1... [INFO] checking remove_empty_subdirs-0.1.1 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] extracting crate remove_empty_subdirs 0.1.1 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate remove_empty_subdirs 0.1.1 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate remove_empty_subdirs 0.1.1 [INFO] finished tweaking crates.io crate remove_empty_subdirs 0.1.1 [INFO] tweaked toml for crates.io crate remove_empty_subdirs 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b2e79b0b27dd82cb1dc814fe30fc951a29f69bc270679e1cf135c6774f54fecc [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" "b2e79b0b27dd82cb1dc814fe30fc951a29f69bc270679e1cf135c6774f54fecc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b2e79b0b27dd82cb1dc814fe30fc951a29f69bc270679e1cf135c6774f54fecc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2e79b0b27dd82cb1dc814fe30fc951a29f69bc270679e1cf135c6774f54fecc", kill_on_drop: false }` [INFO] [stdout] b2e79b0b27dd82cb1dc814fe30fc951a29f69bc270679e1cf135c6774f54fecc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d5a410ea0f890a48d6c45b8a2bce4e0410a891f472462f839fec3fdcb7683f49 [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" "d5a410ea0f890a48d6c45b8a2bce4e0410a891f472462f839fec3fdcb7683f49", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking remove_empty_subdirs v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking tempfile v3.2.0 [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/remove_empty_subdirs.rs:62:10 [INFO] [stdout] | [INFO] [stdout] 62 | .into_iter() [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 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 62 | .iter() [INFO] [stdout] | ^^^^ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 44 | let mut expected_subpaths: Vec = IntoIterator::into_iter([ [INFO] [stdout] 45 | dir.path().to_path_buf(), [INFO] [stdout] 46 | dir.path().join("empty_1"), [INFO] [stdout] 47 | dir.path().join("empty_1").join("empty_2"), [INFO] [stdout] 48 | dir.path().join("empty_1").join("empty_2").join("empty_3"), [INFO] [stdout] 49 | dir.path().join("empty_1").join("empty_21"), [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/remove_empty_subdirs.rs:86:10 [INFO] [stdout] | [INFO] [stdout] 86 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 86 | .iter() [INFO] [stdout] | ^^^^ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 77 | let mut expected_subpaths: Vec = IntoIterator::into_iter([ [INFO] [stdout] 78 | dir.path().to_path_buf(), [INFO] [stdout] 79 | dir.path().join("not_empty_1"), [INFO] [stdout] 80 | dir.path().join("not_empty_1").join("not_empty_21"), [INFO] [stdout] 81 | dir.path() [INFO] [stdout] 82 | .join("not_empty_1") [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/remove_empty_subdirs.rs:119:10 [INFO] [stdout] | [INFO] [stdout] 119 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 119 | .iter() [INFO] [stdout] | ^^^^ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 112 | let mut expected_subpaths: Vec = IntoIterator::into_iter([ [INFO] [stdout] 113 | dir.path().to_path_buf(), [INFO] [stdout] 114 | dir.path().join("not_empty"), [INFO] [stdout] 115 | dir.path().join("not_empty").join(".git"), [INFO] [stdout] 116 | dir.path().join("empty_1"), [INFO] [stdout] 117 | dir.path().join("empty_1").join("empty_2"), [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/remove_empty_subdirs.rs:139:10 [INFO] [stdout] | [INFO] [stdout] 139 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 139 | .iter() [INFO] [stdout] | ^^^^ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 134 | let mut expected_subpaths: Vec = IntoIterator::into_iter([ [INFO] [stdout] 135 | dir.path().to_path_buf(), [INFO] [stdout] 136 | dir.path().join("not_empty"), [INFO] [stdout] 137 | dir.path().join("not_empty").join(".git"), [INFO] [stdout] 138 | ]) [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/remove_empty_subdirs.rs:161:10 [INFO] [stdout] | [INFO] [stdout] 161 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 161 | .iter() [INFO] [stdout] | ^^^^ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 160 | let mut expected_subpaths: Vec = IntoIterator::into_iter([dir.path().to_path_buf()]) [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/remove_empty_subdirs.rs:177:10 [INFO] [stdout] | [INFO] [stdout] 177 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 177 | .iter() [INFO] [stdout] | ^^^^ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 176 | let mut expected_subpaths: Vec = IntoIterator::into_iter([dir.path().to_path_buf()]) [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/remove_empty_subdirs.rs:236:10 [INFO] [stdout] | [INFO] [stdout] 236 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 236 | .iter() [INFO] [stdout] | ^^^^ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 217 | let mut expected_subpaths: Vec = IntoIterator::into_iter([ [INFO] [stdout] 218 | dir.path().to_path_buf(), [INFO] [stdout] 219 | dir.path().join("normal_dir"), [INFO] [stdout] 220 | dir.path().join("normal_dir").join("permission_denied"), [INFO] [stdout] 221 | dir.path() [INFO] [stdout] 222 | .join("normal_dir") [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/remove_empty_subdirs.rs:284:10 [INFO] [stdout] | [INFO] [stdout] 284 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 284 | .iter() [INFO] [stdout] | ^^^^ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 270 | let mut expected_subpaths: Vec = IntoIterator::into_iter([ [INFO] [stdout] 271 | dir.path().to_path_buf(), [INFO] [stdout] 272 | dir.path().join("normal_dir"), [INFO] [stdout] 273 | dir.path().join("normal_dir").join("permission_denied"), [INFO] [stdout] 274 | dir.path() [INFO] [stdout] 275 | .join("normal_dir") [INFO] [stdout] ... [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.48s [INFO] running `Command { std: "docker" "inspect" "d5a410ea0f890a48d6c45b8a2bce4e0410a891f472462f839fec3fdcb7683f49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5a410ea0f890a48d6c45b8a2bce4e0410a891f472462f839fec3fdcb7683f49", kill_on_drop: false }` [INFO] [stdout] d5a410ea0f890a48d6c45b8a2bce4e0410a891f472462f839fec3fdcb7683f49