[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 <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[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($expected
[INFO] [stdout] 129 ~                     .into_iter())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]    --> src/tarjan.rs:129:22
[INFO] [stdout]     |
[INFO] [stdout] 129 |                       .into_iter()
[INFO] [stdout]     |                        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 138 | /     tarjan_test!(
[INFO] [stdout] 139 | |         two_triangles,
[INFO] [stdout] 140 | |         "0-1, 1-2, 2-0, 2-3, 3-4, 4-5, 5-3",
[INFO] [stdout] 141 | |         [[0, 1, 2], [3, 4, 5]]
[INFO] [stdout] 142 | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]     = note: this warning originates in the macro `tarjan_test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 129 -                     .into_iter()
[INFO] [stdout] 129 +                     .iter()
[INFO] [stdout]     |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 128 ~                 let expected: Vec<_> = IntoIterator::into_iter($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 <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[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
