[INFO] fetching crate neurarbor 0.2.0...
[INFO] testing neurarbor-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate neurarbor 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate neurarbor 0.2.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate neurarbor 0.2.0
[INFO] finished tweaking crates.io crate neurarbor 0.2.0
[INFO] tweaked toml for crates.io crate neurarbor 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo-readme v3.2.0
[INFO] [stderr]   Downloaded snowflake v1.3.0
[INFO] [stderr]   Downloaded slab_tree v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13a357c170035ae45d82102b14a481e3146024696e0ac7f540ee52ba84b550da
[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" "13a357c170035ae45d82102b14a481e3146024696e0ac7f540ee52ba84b550da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13a357c170035ae45d82102b14a481e3146024696e0ac7f540ee52ba84b550da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13a357c170035ae45d82102b14a481e3146024696e0ac7f540ee52ba84b550da", kill_on_drop: false }`
[INFO] [stdout] 13a357c170035ae45d82102b14a481e3146024696e0ac7f540ee52ba84b550da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2769478766eb2b44b5aadbab2bc3171988f74b1a7b3ac5428592b1dc7d638fb1
[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" "2769478766eb2b44b5aadbab2bc3171988f74b1a7b3ac5428592b1dc7d638fb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling snowflake v1.3.0
[INFO] [stderr]    Compiling slab_tree v0.3.2
[INFO] [stderr]    Compiling neurarbor v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "2769478766eb2b44b5aadbab2bc3171988f74b1a7b3ac5428592b1dc7d638fb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2769478766eb2b44b5aadbab2bc3171988f74b1a7b3ac5428592b1dc7d638fb1", kill_on_drop: false }`
[INFO] [stdout] 2769478766eb2b44b5aadbab2bc3171988f74b1a7b3ac5428592b1dc7d638fb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", 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] 699832eff0ab242f209c84fd47a86803febb5740669f5a3ab9f07d452674d9f6
[INFO] running `Command { std: "docker" "start" "-a" "699832eff0ab242f209c84fd47a86803febb5740669f5a3ab9f07d452674d9f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-readme v3.2.0
[INFO] [stderr]    Compiling neurarbor v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.20s
[INFO] running `Command { std: "docker" "inspect" "699832eff0ab242f209c84fd47a86803febb5740669f5a3ab9f07d452674d9f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "699832eff0ab242f209c84fd47a86803febb5740669f5a3ab9f07d452674d9f6", kill_on_drop: false }`
[INFO] [stdout] 699832eff0ab242f209c84fd47a86803febb5740669f5a3ab9f07d452674d9f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bf944a8071fe33aa6f79532e0f5095f38b126c63b0e4ae8a6eb6cdeb34835a3e
[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" "bf944a8071fe33aa6f79532e0f5095f38b126c63b0e4ae8a6eb6cdeb34835a3e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/neurarbor-4d23c9fa064e3202)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::project_towards ... ok
[INFO] [stdout] test tests::prune_beyond_steps ... ok
[INFO] [stdout] test tests::prune_containing ... ok
[INFO] [stdout] test tests::test_edges_to_tree_jumbled ... ok
[INFO] [stdout] test tests::test_prune_beyond ... ok
[INFO] [stdout] test tests::test_cable ... ok
[INFO] [stdout] test tests::test_edges_to_tree_constructs ... ok
[INFO] [stdout] test tests::resample_ls ... ok
[INFO] [stdout] test tests::prune_containing_multiple ... ok
[INFO] [stdout] test tests::prune_at ... ok
[INFO] [stdout] test tests::test_prune_twigs ... ok
[INFO] [stdout] test tests::prune_beyond_branches ... ok
[INFO] [stdout] test tests::prune_below_strahler ... ok
[INFO] [stdout] test tests::test_resample_tree ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests neurarbor
[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" "bf944a8071fe33aa6f79532e0f5095f38b126c63b0e4ae8a6eb6cdeb34835a3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf944a8071fe33aa6f79532e0f5095f38b126c63b0e4ae8a6eb6cdeb34835a3e", kill_on_drop: false }`
[INFO] [stdout] bf944a8071fe33aa6f79532e0f5095f38b126c63b0e4ae8a6eb6cdeb34835a3e