[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] 224d296f640ae68d9301b4a1e2827eb39587a50e
[INFO] testing dpwdec/wfc-rust against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpwdec%2Fwfc-rust" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dpwdec/wfc-rust on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-10/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_distr v0.3.0
[INFO] [stderr]   Downloaded bencher v0.1.5
[INFO] [stderr]   Downloaded bimap v0.5.2
[INFO] [stderr]   Downloaded simba v0.3.1
[INFO] [stderr]   Downloaded nalgebra v0.23.2
[INFO] [stderr]   Downloaded approx v0.4.0
[INFO] [stderr]   Downloaded paste v1.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53d5615c76efba3d5f93eb7c5b6426cc49fc0ab9503c6d2cc0278cb85fdfe012
[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" "53d5615c76efba3d5f93eb7c5b6426cc49fc0ab9503c6d2cc0278cb85fdfe012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53d5615c76efba3d5f93eb7c5b6426cc49fc0ab9503c6d2cc0278cb85fdfe012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53d5615c76efba3d5f93eb7c5b6426cc49fc0ab9503c6d2cc0278cb85fdfe012", kill_on_drop: false }`
[INFO] [stdout] 53d5615c76efba3d5f93eb7c5b6426cc49fc0ab9503c6d2cc0278cb85fdfe012
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b87a21a4baf0a8ba8884e56ea45efcf52d71d5144925715b1f47bc11df9308d3
[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" "b87a21a4baf0a8ba8884e56ea45efcf52d71d5144925715b1f47bc11df9308d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling bimap v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling simba v0.3.1
[INFO] [stderr]    Compiling alga v0.9.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand_distr v0.3.0
[INFO] [stderr]    Compiling nalgebra v0.23.2
[INFO] [stderr]    Compiling wfc-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `make_edges_cardinal_grid`
[INFO] [stdout]  --> src/io/text_parser.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::io::utils::{make_edges_cardinal_grid, make_edges_8_way_grid};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `make_edges_cardinal_grid`
[INFO] [stdout]  --> src/main.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | use wfc_rust::io::utils::{make_edges_cardinal_grid, make_edges_8_way_grid};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.19s
[INFO] running `Command { std: "docker" "inspect" "b87a21a4baf0a8ba8884e56ea45efcf52d71d5144925715b1f47bc11df9308d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b87a21a4baf0a8ba8884e56ea45efcf52d71d5144925715b1f47bc11df9308d3", kill_on_drop: false }`
[INFO] [stdout] b87a21a4baf0a8ba8884e56ea45efcf52d71d5144925715b1f47bc11df9308d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4c82aded2a6e1d09edba84a67e76e80681eb4e580eb9a8f6460b3d788448c77
[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" "d4c82aded2a6e1d09edba84a67e76e80681eb4e580eb9a8f6460b3d788448c77", kill_on_drop: false }`
[INFO] [stderr]    Compiling wfc-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `make_edges_cardinal_grid`
[INFO] [stdout]  --> src/io/text_parser.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::io::utils::{make_edges_cardinal_grid, make_edges_8_way_grid};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `make_edges_cardinal_grid`
[INFO] [stdout]  --> src/io/text_parser.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::io::utils::{make_edges_cardinal_grid, make_edges_8_way_grid};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `make_edges_cardinal_grid`
[INFO] [stdout]  --> src/main.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | use wfc_rust::io::utils::{make_edges_cardinal_grid, make_edges_8_way_grid};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.01s
[INFO] running `Command { std: "docker" "inspect" "d4c82aded2a6e1d09edba84a67e76e80681eb4e580eb9a8f6460b3d788448c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4c82aded2a6e1d09edba84a67e76e80681eb4e580eb9a8f6460b3d788448c77", kill_on_drop: false }`
[INFO] [stdout] d4c82aded2a6e1d09edba84a67e76e80681eb4e580eb9a8f6460b3d788448c77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 089463abbde8f4411810a576b25e7baa274e72dcc3e40bbc8db02844b370f40d
[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" "089463abbde8f4411810a576b25e7baa274e72dcc3e40bbc8db02844b370f40d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `make_edges_cardinal_grid`
[INFO] [stdout] running 27 tests
[INFO] [stderr]  --> src/io/text_parser.rs:2:24
[INFO] [stdout] test multiset::tests::test_contains ... ok
[INFO] [stderr]   |
[INFO] [stdout] test multiset::tests::test_choose ... ok
[INFO] [stderr] 2 | use crate::io::utils::{make_edges_cardinal_grid, make_edges_8_way_grid};
[INFO] [stdout] test multiset::tests::test_intersection ... ok
[INFO] [stderr]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] test multiset::tests::test_is_empty ... ok
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `make_edges_cardinal_grid`
[INFO] [stderr]  --> src/io/text_parser.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::io::utils::{make_edges_cardinal_grid, make_edges_8_way_grid};
[INFO] [stderr]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `make_edges_cardinal_grid`
[INFO] [stderr]  --> src/main.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 | use wfc_rust::io::utils::{make_edges_cardinal_grid, make_edges_8_way_grid};
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wfc_rust-3143254e3495074d
[INFO] [stdout] test io::utils::tests::test_make_edges_cardinal_grid ... 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_complex ... ok
[INFO] [stdout] test wfc::collapse::tests::test_exec_med ... ok
[INFO] [stdout] test wfc::collapse::tests::test_exec_simple ... ok
[INFO] [stdout] test multiset::tests::test_entropy_multiple2 ... ok
[INFO] [stdout] test wfc::observe::tests::test_observe_cmp ... ok
[INFO] [stdout] test multiset::tests::test_entropy_small2 ... ok
[INFO] [stdout] test wfc::observe::tests::test_observe_cmp_eq ... ok
[INFO] [stdout] test multiset::tests::test_entropy_zero2 ... ok
[INFO] [stdout] test multiset::tests::test_from_iter_u ... ok
[INFO] [stdout] test multiset::tests::test_get_non_zero ... ok
[INFO] [stdout] test multiset::tests::test_entropy_zero_freq2 ... ok
[INFO] [stdout] test graph::graph::graph_tests::test_rules_multiple ... ok
[INFO] [stdout] test io::text_parser::tests::test_parse_medium ... ok
[INFO] [stdout] test graph::graph::graph_tests::test_rules ... ok
[INFO] [stdout] test io::utils::tests::test_make_edges_8_way_grid ... ok
[INFO] [stdout] test io::text_parser::tests::test_parse_easy ... ok
[INFO] [stdout] test multiset::tests::test_is_subset ... ok
[INFO] [stdout] test multiset::tests::test_is_singleton ... ok
[INFO] [stdout] test wfc::observe::tests::test_observe_heap ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wfc_rust-5dd53537910c1eb4
[INFO] [stdout] test graph::graph::graph_tests::test_rules_partially_collapsed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "089463abbde8f4411810a576b25e7baa274e72dcc3e40bbc8db02844b370f40d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "089463abbde8f4411810a576b25e7baa274e72dcc3e40bbc8db02844b370f40d", kill_on_drop: false }`
[INFO] [stdout] 089463abbde8f4411810a576b25e7baa274e72dcc3e40bbc8db02844b370f40d