[INFO] fetching crate jp_graph 0.1.0...
[INFO] checking jp_graph-0.1.0 against master#485ec3fbcc12fa14ef6596dabb125ad710499c9e for pr-157710
[INFO] extracting crate jp_graph 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate jp_graph 0.1.0
[INFO] finished tweaking crates.io crate jp_graph 0.1.0
[INFO] tweaked toml for crates.io crate jp_graph 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate jp_graph 0.1.0 on toolchain 485ec3fbcc12fa14ef6596dabb125ad710499c9e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "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" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.8.2 (available: v0.15.0)
[INFO] [stderr]       Adding proptest v0.8.7 (available: v1.11.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] db4c1301070ee2e3872d3ffee1b608f6e908749df67af079cc51a74267ad2f76
[INFO] running `Command { std: "docker" "start" "db4c1301070ee2e3872d3ffee1b608f6e908749df67af079cc51a74267ad2f76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "db4c1301070ee2e3872d3ffee1b608f6e908749df67af079cc51a74267ad2f76" "/opt/rustwide/cargo-home/bin/cargo" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db4c1301070ee2e3872d3ffee1b608f6e908749df67af079cc51a74267ad2f76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "db4c1301070ee2e3872d3ffee1b608f6e908749df67af079cc51a74267ad2f76" "/opt/rustwide/cargo-home/bin/cargo" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]     Checking bitflags v2.13.0
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]     Checking fastrand v2.4.1
[INFO] [stderr]     Checking either v1.16.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking rustix v1.1.4
[INFO] [stderr]     Checking jp_graph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking proptest v0.8.7
[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]     |                      ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[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] 
[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]     |                        ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[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] 
[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]     |                      ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[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] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.38s
[INFO] running `Command { std: "docker" "inspect" "db4c1301070ee2e3872d3ffee1b608f6e908749df67af079cc51a74267ad2f76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db4c1301070ee2e3872d3ffee1b608f6e908749df67af079cc51a74267ad2f76", kill_on_drop: false }`
[INFO] [stdout] db4c1301070ee2e3872d3ffee1b608f6e908749df67af079cc51a74267ad2f76
