[INFO] fetching crate jp_graph 0.1.0...
[INFO] testing jp_graph-0.1.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate jp_graph 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate jp_graph 0.1.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b2ec56a333a854ce52be9de5ffe1cd8da58834360ae758c28c194c9e7011b66
[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" "6b2ec56a333a854ce52be9de5ffe1cd8da58834360ae758c28c194c9e7011b66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b2ec56a333a854ce52be9de5ffe1cd8da58834360ae758c28c194c9e7011b66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b2ec56a333a854ce52be9de5ffe1cd8da58834360ae758c28c194c9e7011b66", kill_on_drop: false }`
[INFO] [stdout] 6b2ec56a333a854ce52be9de5ffe1cd8da58834360ae758c28c194c9e7011b66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f73e6811398d8bf85f4ada3b3d88b4b5394be0b4d4006afb70f06b903dd37ee
[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" "2f73e6811398d8bf85f4ada3b3d88b4b5394be0b4d4006afb70f06b903dd37ee", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling jp_graph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "2f73e6811398d8bf85f4ada3b3d88b4b5394be0b4d4006afb70f06b903dd37ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f73e6811398d8bf85f4ada3b3d88b4b5394be0b4d4006afb70f06b903dd37ee", kill_on_drop: false }`
[INFO] [stdout] 2f73e6811398d8bf85f4ada3b3d88b4b5394be0b4d4006afb70f06b903dd37ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7561509242468fea7a9cb24ea957e69bf748d3de99766f5d952b622dec19292
[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" "d7561509242468fea7a9cb24ea957e69bf748d3de99766f5d952b622dec19292", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling proptest v0.8.7
[INFO] [stderr]    Compiling jp_graph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[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]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 21.28s
[INFO] running `Command { std: "docker" "inspect" "d7561509242468fea7a9cb24ea957e69bf748d3de99766f5d952b622dec19292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7561509242468fea7a9cb24ea957e69bf748d3de99766f5d952b622dec19292", kill_on_drop: false }`
[INFO] [stdout] d7561509242468fea7a9cb24ea957e69bf748d3de99766f5d952b622dec19292
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b8b2135f2d00d3d9ddf11f0cb2886d7808103bf84c982cd40979095e54ff4b59
[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" "b8b2135f2d00d3d9ddf11f0cb2886d7808103bf84c982cd40979095e54ff4b59", kill_on_drop: false }`
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]    --> src/tarjan.rs:129:22
[INFO] [stderr]     |
[INFO] [stderr] 129 |                     .into_iter()
[INFO] [stderr]     |                      ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr] ...
[INFO] [stderr] 137 |     tarjan_test!(triangle, "0-1, 1-2, 2-0", [[0, 1, 2]]);
[INFO] [stderr]     |     ----------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]    --> src/tarjan.rs:129:22
[INFO] [stderr]     |
[INFO] [stderr] 129 |                       .into_iter()
[INFO] [stderr]     |                        ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr] ...
[INFO] [stderr] 138 | /     tarjan_test!(
[INFO] [stderr] 139 | |         two_triangles,
[INFO] [stderr] 140 | |         "0-1, 1-2, 2-0, 2-3, 3-4, 4-5, 5-3",
[INFO] [stderr] 141 | |         [[0, 1, 2], [3, 4, 5]]
[INFO] [stderr] 142 | |     );
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]    --> src/tarjan.rs:129:22
[INFO] [stderr]     |
[INFO] [stderr] 129 |                     .into_iter()
[INFO] [stderr]     |                      ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr] ...
[INFO] [stderr] 143 |     tarjan_test!(diamond, "0-1, 0-2, 1-3, 2-3", [[0], [2], [1], [3]]);
[INFO] [stderr]     |     ------------------------------------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/jp_graph-9205cdc6ef8e886d
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test tests::linear_order_tree ... ok
[INFO] [stdout] test dfs::tests::visit_order ... ok
[INFO] [stdout] test tests::linear_order_chain ... ok
[INFO] [stdout] test dfs::tests::repeat_visit ... ok
[INFO] [stdout] test tests::linear_order_diamond ... ok
[INFO] [stdout] test tests::linear_order_cycle ... ok
[INFO] [stdout] test tarjan::tests::two_triangles ... ok
[INFO] [stdout] test tests::top_sort_chain ... ok
[INFO] [stdout] test tarjan::tests::triangle ... ok
[INFO] [stdout] test tarjan::tests::diamond ... ok
[INFO] [stdout] test tests::linear_order_chain_with_extra2 ... ok
[INFO] [stdout] test tests::top_sort_cycle ... ok
[INFO] [stdout] test tests::linear_order_chain_with_extra ... ok
[INFO] [stdout] test tests::top_sort_tree ... ok
[INFO] [stdout] test tests::top_sort_proptest ... ok
[INFO] [stdout] test tests::doubled_proptest ... ok
[INFO] [stdout] test tests::weak_components_proptest ... ok
[INFO] [stdout] test tarjan::tests::tarjan_scc_dag ... ok
[INFO] [stdout] test tarjan::tests::tarjan_dag_proptest ... ok
[INFO] [stderr]    Doc-tests jp_graph
[INFO] [stdout] test tarjan::tests::tarjan_graph_proptest ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b8b2135f2d00d3d9ddf11f0cb2886d7808103bf84c982cd40979095e54ff4b59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8b2135f2d00d3d9ddf11f0cb2886d7808103bf84c982cd40979095e54ff4b59", kill_on_drop: false }`
[INFO] [stdout] b8b2135f2d00d3d9ddf11f0cb2886d7808103bf84c982cd40979095e54ff4b59
