[INFO] fetching crate ukanren 0.0.5...
[INFO] testing ukanren-0.0.5 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate ukanren 0.0.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ukanren 0.0.5 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ukanren 0.0.5
[INFO] finished tweaking crates.io crate ukanren 0.0.5
[INFO] tweaked toml for crates.io crate ukanren 0.0.5 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rpds v0.9.0
[INFO] [stderr]   Downloaded archery v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b007255eb7c7a41e2bf2092fc47c61e9406acfaac02b505676f6bc997493bee4
[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" "b007255eb7c7a41e2bf2092fc47c61e9406acfaac02b505676f6bc997493bee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b007255eb7c7a41e2bf2092fc47c61e9406acfaac02b505676f6bc997493bee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b007255eb7c7a41e2bf2092fc47c61e9406acfaac02b505676f6bc997493bee4", kill_on_drop: false }`
[INFO] [stdout] b007255eb7c7a41e2bf2092fc47c61e9406acfaac02b505676f6bc997493bee4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 469575ced868a2704af8dd76a018745a871f4fc898314d719ef99f6670f9006a
[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" "469575ced868a2704af8dd76a018745a871f4fc898314d719ef99f6670f9006a", kill_on_drop: false }`
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling archery v0.4.0
[INFO] [stderr]    Compiling rpds v0.9.0
[INFO] [stderr]    Compiling ukanren v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `Command { std: "docker" "inspect" "469575ced868a2704af8dd76a018745a871f4fc898314d719ef99f6670f9006a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "469575ced868a2704af8dd76a018745a871f4fc898314d719ef99f6670f9006a", kill_on_drop: false }`
[INFO] [stdout] 469575ced868a2704af8dd76a018745a871f4fc898314d719ef99f6670f9006a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a2be0f3453fb5072e379e540ab3ffd5245be4f25a24835a5a3d0eab19ef35c2
[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" "3a2be0f3453fb5072e379e540ab3ffd5245be4f25a24835a5a3d0eab19ef35c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling ukanren v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `Command { std: "docker" "inspect" "3a2be0f3453fb5072e379e540ab3ffd5245be4f25a24835a5a3d0eab19ef35c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a2be0f3453fb5072e379e540ab3ffd5245be4f25a24835a5a3d0eab19ef35c2", kill_on_drop: false }`
[INFO] [stdout] 3a2be0f3453fb5072e379e540ab3ffd5245be4f25a24835a5a3d0eab19ef35c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] 3ed0ec830e54726be9b255644dd38ac2a84d33541dc7d166874d46ca8009fdab
[INFO] running `Command { std: "docker" "start" "-a" "3ed0ec830e54726be9b255644dd38ac2a84d33541dc7d166874d46ca8009fdab", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ukanren-b18000e54758eb8b)
[INFO] [stderr]      Running tests/appendo.rs (/opt/rustwide/target/debug/deps/appendo-de44bb69e09b80fe)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test value::tests::atom_cmp ... ok
[INFO] [stdout] test value::tests::list_cmp ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test forward_append ... ok
[INFO] [stdout] test guess_hole ... ok
[INFO] [stdout] test inverse_append ... ok
[INFO] [stdout] test reverse_basic ... ok
[INFO] [stderr]      Running tests/goals.rs (/opt/rustwide/target/debug/deps/goals-b103ce0bafdfad1d)
[INFO] [stdout] test palindrome ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test chained_disjunction ... ok
[INFO] [stderr]    Doc-tests ukanren
[INFO] [stdout] test list_equal ... ok
[INFO] [stdout] test two_equal ... ok
[INFO] [stdout] test void_goal ... ok
[INFO] [stdout] test multi_equal ... ok
[INFO] [stdout] test interleaving ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/goal.rs - goal::Goal::or (line 39) ... ok
[INFO] [stdout] test src/goal.rs - goal::Goal::boxed (line 58) ... ok
[INFO] [stdout] test src/goal.rs - goal::eq (line 191) ... ok
[INFO] [stdout] test src/goal.rs - goal::Goal::and (line 20) ... ok
[INFO] [stdout] test src/goal.rs - goal::run (line 341) ... ok
[INFO] [stdout] test src/goal.rs - goal::delay (line 229) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3ed0ec830e54726be9b255644dd38ac2a84d33541dc7d166874d46ca8009fdab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ed0ec830e54726be9b255644dd38ac2a84d33541dc7d166874d46ca8009fdab", kill_on_drop: false }`
[INFO] [stdout] 3ed0ec830e54726be9b255644dd38ac2a84d33541dc7d166874d46ca8009fdab