[INFO] fetching crate dograph 0.8.4...
[INFO] testing dograph-0.8.4 against 1.60.0 for beta-1.61-1
[INFO] extracting crate dograph 0.8.4 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate dograph 0.8.4 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dograph 0.8.4
[INFO] finished tweaking crates.io crate dograph 0.8.4
[INFO] tweaked toml for crates.io crate dograph 0.8.4 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_distr v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66c7018854655dc4bfca70174cb3c2327fcc6d71e640b4ae2ad581d058b16b23
[INFO] running `Command { std: "docker" "start" "-a" "66c7018854655dc4bfca70174cb3c2327fcc6d71e640b4ae2ad581d058b16b23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66c7018854655dc4bfca70174cb3c2327fcc6d71e640b4ae2ad581d058b16b23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66c7018854655dc4bfca70174cb3c2327fcc6d71e640b4ae2ad581d058b16b23", kill_on_drop: false }`
[INFO] [stdout] 66c7018854655dc4bfca70174cb3c2327fcc6d71e640b4ae2ad581d058b16b23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d7934fee7db4230465f72d83b82d39cd93dd1138f2bbab8e802ffda2de7dfff
[INFO] running `Command { std: "docker" "start" "-a" "8d7934fee7db4230465f72d83b82d39cd93dd1138f2bbab8e802ffda2de7dfff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling dograph v0.8.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.26s
[INFO] running `Command { std: "docker" "inspect" "8d7934fee7db4230465f72d83b82d39cd93dd1138f2bbab8e802ffda2de7dfff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d7934fee7db4230465f72d83b82d39cd93dd1138f2bbab8e802ffda2de7dfff", kill_on_drop: false }`
[INFO] [stdout] 8d7934fee7db4230465f72d83b82d39cd93dd1138f2bbab8e802ffda2de7dfff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 163261d09e14d89ec84819849eaac676237bd9a70d63d67e27a534a5792170f0
[INFO] running `Command { std: "docker" "start" "-a" "163261d09e14d89ec84819849eaac676237bd9a70d63d67e27a534a5792170f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling dograph v0.8.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.82s
[INFO] running `Command { std: "docker" "inspect" "163261d09e14d89ec84819849eaac676237bd9a70d63d67e27a534a5792170f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "163261d09e14d89ec84819849eaac676237bd9a70d63d67e27a534a5792170f0", kill_on_drop: false }`
[INFO] [stdout] 163261d09e14d89ec84819849eaac676237bd9a70d63d67e27a534a5792170f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 602a649e55aa52d563d0324446dabf72c57456a1d541f4390313bc7c8f1e8e4d
[INFO] running `Command { std: "docker" "start" "-a" "602a649e55aa52d563d0324446dabf72c57456a1d541f4390313bc7c8f1e8e4d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dograph-4db161a6bf1b29f6)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test strictly_upper_triangular_logical_matrix::tests::index_computation_is_sane ... ok
[INFO] [stdout] test strictly_upper_triangular_logical_matrix::tests::test_matrix_iterator ... ok
[INFO] [stdout] test strictly_upper_triangular_logical_matrix::tests::positive_test_3x3_matrix ... ok
[INFO] [stdout] test algorithm::tests::divisibility_poset_of_12_descendants ... ok
[INFO] [stdout] test tests::divisibility_poset_12_children ... ok
[INFO] [stdout] test tests::divisibility_poset_of_12_ordered_pairs ... ok
[INFO] [stdout] test traversal::tests::divisibility_poset_of_12_dfs_descendants ... ok
[INFO] [stdout] test tests::negative_test_smallest_dag - should panic ... ok
[INFO] [stdout] test tests::random_dag_reduces_to_nothing ... ok
[INFO] [stdout] test traversal::tests::traversals_equal_modulo_order ... ok
[INFO] [stdout] test tests::integer_divisibility_poset_isomorphism ... ok
[INFO] [stdout] test algorithm::tests::transitive_closure_and_transitive_reduction_intersection_equals_transitive_reduction_modulo_order ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.73s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dograph
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - DirectedAcyclicGraph::random (line 106) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - DirectedAcyclicGraph::random (line 106) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `crate::DirectedAcyclicGraph`
[INFO] [stdout]  --> src/lib.rs:107:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::DirectedAcyclicGraph;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `DirectedAcyclicGraph` in the root
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - DirectedAcyclicGraph::random (line 106)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "602a649e55aa52d563d0324446dabf72c57456a1d541f4390313bc7c8f1e8e4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "602a649e55aa52d563d0324446dabf72c57456a1d541f4390313bc7c8f1e8e4d", kill_on_drop: false }`
[INFO] [stdout] 602a649e55aa52d563d0324446dabf72c57456a1d541f4390313bc7c8f1e8e4d