[INFO] cloning repository https://github.com/dpwdec/wfc-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dpwdec/wfc-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpwdec%2Fwfc-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpwdec%2Fwfc-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4048a90103ce4162c698adc7ecc6d6293a13694
[INFO] testing dpwdec/wfc-rust against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpwdec%2Fwfc-rust" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dpwdec/wfc-rust on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dpwdec/wfc-rust
[INFO] finished tweaking git repo https://github.com/dpwdec/wfc-rust
[INFO] tweaked toml for git repo https://github.com/dpwdec/wfc-rust written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/dpwdec/wfc-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simba v0.1.5
[INFO] [stderr]   Downloaded bencher v0.1.5
[INFO] [stderr]   Downloaded nalgebra v0.21.1
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bf75b8643d19cd59f0f65ff936804488ad22e35f4fd30f57fa8961a77cb85df
[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" "1bf75b8643d19cd59f0f65ff936804488ad22e35f4fd30f57fa8961a77cb85df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bf75b8643d19cd59f0f65ff936804488ad22e35f4fd30f57fa8961a77cb85df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bf75b8643d19cd59f0f65ff936804488ad22e35f4fd30f57fa8961a77cb85df", kill_on_drop: false }`
[INFO] [stdout] 1bf75b8643d19cd59f0f65ff936804488ad22e35f4fd30f57fa8961a77cb85df
[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=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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4932a6a62347b1e0edbae6c30181b2725257eb39927b363023f6fe1348ebe33e
[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" "4932a6a62347b1e0edbae6c30181b2725257eb39927b363023f6fe1348ebe33e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling simba v0.1.5
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling nalgebra v0.21.1
[INFO] [stderr]    Compiling wfc-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.09s
[INFO] running `Command { std: "docker" "inspect" "4932a6a62347b1e0edbae6c30181b2725257eb39927b363023f6fe1348ebe33e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4932a6a62347b1e0edbae6c30181b2725257eb39927b363023f6fe1348ebe33e", kill_on_drop: false }`
[INFO] [stdout] 4932a6a62347b1e0edbae6c30181b2725257eb39927b363023f6fe1348ebe33e
[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=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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efecc46797ed209ebc6cdf54048cf1fd5d57955142efa705f20deb293c3674f9
[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" "efecc46797ed209ebc6cdf54048cf1fd5d57955142efa705f20deb293c3674f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling wfc-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.33s
[INFO] running `Command { std: "docker" "inspect" "efecc46797ed209ebc6cdf54048cf1fd5d57955142efa705f20deb293c3674f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efecc46797ed209ebc6cdf54048cf1fd5d57955142efa705f20deb293c3674f9", kill_on_drop: false }`
[INFO] [stdout] efecc46797ed209ebc6cdf54048cf1fd5d57955142efa705f20deb293c3674f9
[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=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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ab67d7359072f97b581656eb27dcd333348876fd2cbd9f9c09f1ff1e179895a7
[INFO] running `Command { std: "docker" "start" "-a" "ab67d7359072f97b581656eb27dcd333348876fd2cbd9f9c09f1ff1e179895a7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wfc_rust-f9e193d0db38ee96
[INFO] [stdout] running 27 tests
[INFO] [stdout] test io::text_parser::tests::test_parse_medium ... ok
[INFO] [stdout] test graph::graph::graph2_tests::test_constrain_false ... ok
[INFO] [stdout] test graph::graph::graph2_tests::test_constrain_true ... ok
[INFO] [stdout] test io::text_parser::tests::test_parse_easy ... ok
[INFO] [stdout] test graph::graph::graph2_tests::test_observe ... ok
[INFO] [stdout] test graph::graph::graph2_tests::test_rules_partially_collapsed ... ok
[INFO] [stdout] test graph::graph::graph2_tests::test_rules ... ok
[INFO] [stdout] test multiset::tests::test_choose ... ok
[INFO] [stdout] test multiset::tests::test_contains ... ok
[INFO] [stdout] test multiset::tests::test_from_iter_u ... ok
[INFO] [stdout] test graph::graph::graph2_tests::test_rules_multiple ... ok
[INFO] [stdout] test multiset::tests::test_get_non_zero ... ok
[INFO] [stdout] test multiset::tests::test_entropy_zero ... ok
[INFO] [stdout] test multiset::tests::test_is_empty ... ok
[INFO] [stdout] test wfc::observe::tests::test_observe_cmp ... ok
[INFO] [stdout] test wfc::observe::tests::test_observe_heap ... ok
[INFO] [stdout] test multiset::tests::test_intersection ... ok
[INFO] [stdout] test multiset::tests::test_entropy_small ... ok
[INFO] [stdout] test multiset::tests::test_entropy_zero_freq ... ok
[INFO] [stdout] test multiset::tests::test_is_singleton ... ok
[INFO] [stdout] test wfc::observe::tests::test_observe_cmp_eq ... ok
[INFO] [stdout] test multiset::tests::test_is_subset ... ok
[INFO] [stdout] test multiset::tests::test_union ... ok
[INFO] [stdout] test wfc::collapse::tests::test_constraint ... ok
[INFO] [stdout] test wfc::collapse::tests::test_exec_simple ... ok
[INFO] [stdout] test multiset::tests::test_entropy_multiple ... ok
[INFO] [stdout] test wfc::observe::tests::test_new_fuzz ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 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] [stderr]      Running /opt/rustwide/target/debug/deps/wfc_rust-1d304ab2cd0a5ef9
[INFO] [stderr]    Doc-tests wfc-rust
[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" "ab67d7359072f97b581656eb27dcd333348876fd2cbd9f9c09f1ff1e179895a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab67d7359072f97b581656eb27dcd333348876fd2cbd9f9c09f1ff1e179895a7", kill_on_drop: false }`
[INFO] [stdout] ab67d7359072f97b581656eb27dcd333348876fd2cbd9f9c09f1ff1e179895a7