[INFO] fetching crate quilt_graph 0.1.1... [INFO] building quilt_graph-0.1.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2 [INFO] extracting crate quilt_graph 0.1.1 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate quilt_graph 0.1.1 [INFO] finished tweaking crates.io crate quilt_graph 0.1.1 [INFO] tweaked toml for crates.io crate quilt_graph 0.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate quilt_graph 0.1.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 39 packages to latest compatible versions [INFO] [stderr] Adding itertools v0.8.2 (available: v0.14.0) [INFO] [stderr] Adding proptest v0.8.7 (available: v1.8.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rusty-fork v0.2.2 [INFO] [stderr] Downloaded proptest v0.8.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6219b81acf40c0230b45c43ef0573c0d06a5a52091c8f5889add96c44c7d4eca [INFO] running `Command { std: "docker" "start" "-a" "6219b81acf40c0230b45c43ef0573c0d06a5a52091c8f5889add96c44c7d4eca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6219b81acf40c0230b45c43ef0573c0d06a5a52091c8f5889add96c44c7d4eca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6219b81acf40c0230b45c43ef0573c0d06a5a52091c8f5889add96c44c7d4eca", kill_on_drop: false }` [INFO] [stdout] 6219b81acf40c0230b45c43ef0573c0d06a5a52091c8f5889add96c44c7d4eca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 16d511d39fd81633e537175bcdd6a465a7e7e359a174641dc6469a87ebcfcf15 [INFO] running `Command { std: "docker" "start" "-a" "16d511d39fd81633e537175bcdd6a465a7e7e359a174641dc6469a87ebcfcf15", kill_on_drop: false }` [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling quilt_graph v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.23s [INFO] running `Command { std: "docker" "inspect" "16d511d39fd81633e537175bcdd6a465a7e7e359a174641dc6469a87ebcfcf15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16d511d39fd81633e537175bcdd6a465a7e7e359a174641dc6469a87ebcfcf15", kill_on_drop: false }` [INFO] [stdout] 16d511d39fd81633e537175bcdd6a465a7e7e359a174641dc6469a87ebcfcf15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 458a359781e24ee28aac17669c3170ba5d3308e3960659494d180698b10ea0ca [INFO] running `Command { std: "docker" "start" "-a" "458a359781e24ee28aac17669c3170ba5d3308e3960659494d180698b10ea0ca", kill_on_drop: false }` [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling wait-timeout v0.2.1 [INFO] [stderr] Compiling rusty-fork v0.2.2 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling proptest v0.8.7 [INFO] [stderr] Compiling quilt_graph v0.1.1 (/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] --> src/tarjan.rs:129:22 [INFO] [stdout] | [INFO] [stdout] 129 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 137 | tarjan_test!(triangle, "0-1, 1-2, 2-0", [[0, 1, 2]]); [INFO] [stdout] | ---------------------------------------------------- in this macro invocation [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)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] = note: this warning originates in the macro `tarjan_test` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 129 - .into_iter() [INFO] [stdout] 129 + .iter() [INFO] [stdout] | [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 128 ~ let expected: Vec<_> = IntoIterator::into_iter($expected [INFO] [stdout] 129 ~ .into_iter()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/tarjan.rs:129:22 [INFO] [stdout] | [INFO] [stdout] 129 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 138 | / tarjan_test!( [INFO] [stdout] 139 | | two_triangles, [INFO] [stdout] 140 | | "0-1, 1-2, 2-0, 2-3, 3-4, 4-5, 5-3", [INFO] [stdout] 141 | | [[0, 1, 2], [3, 4, 5]] [INFO] [stdout] 142 | | ); [INFO] [stdout] | |_____- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: this warning originates in the macro `tarjan_test` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 129 - .into_iter() [INFO] [stdout] 129 + .iter() [INFO] [stdout] | [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 128 ~ let expected: Vec<_> = IntoIterator::into_iter($expected [INFO] [stdout] 129 ~ .into_iter()) [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] --> src/tarjan.rs:129:22 [INFO] [stdout] | [INFO] [stdout] 129 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 143 | tarjan_test!(diamond, "0-1, 0-2, 1-3, 2-3", [[0], [2], [1], [3]]); [INFO] [stdout] | ----------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: this warning originates in the macro `tarjan_test` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 129 - .into_iter() [INFO] [stdout] 129 + .iter() [INFO] [stdout] | [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 128 ~ let expected: Vec<_> = IntoIterator::into_iter($expected [INFO] [stdout] 129 ~ .into_iter()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 7.24s [INFO] running `Command { std: "docker" "inspect" "458a359781e24ee28aac17669c3170ba5d3308e3960659494d180698b10ea0ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "458a359781e24ee28aac17669c3170ba5d3308e3960659494d180698b10ea0ca", kill_on_drop: false }` [INFO] [stdout] 458a359781e24ee28aac17669c3170ba5d3308e3960659494d180698b10ea0ca