[INFO] fetching crate neurarbor 0.2.0...
[INFO] testing neurarbor-0.2.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[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 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60a763040817ae186721c5b4b1de53d94ae6fa6d90e1e4b12065673c563b624a
[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" "60a763040817ae186721c5b4b1de53d94ae6fa6d90e1e4b12065673c563b624a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60a763040817ae186721c5b4b1de53d94ae6fa6d90e1e4b12065673c563b624a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60a763040817ae186721c5b4b1de53d94ae6fa6d90e1e4b12065673c563b624a", kill_on_drop: false }`
[INFO] [stdout] 60a763040817ae186721c5b4b1de53d94ae6fa6d90e1e4b12065673c563b624a
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9d799f5afa407bcb099f41d24d8a8de52bbb3882920ed010a584fe95d26091a
[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" "c9d799f5afa407bcb099f41d24d8a8de52bbb3882920ed010a584fe95d26091a", 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 1.15s
[INFO] running `Command { std: "docker" "inspect" "c9d799f5afa407bcb099f41d24d8a8de52bbb3882920ed010a584fe95d26091a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9d799f5afa407bcb099f41d24d8a8de52bbb3882920ed010a584fe95d26091a", kill_on_drop: false }`
[INFO] [stdout] c9d799f5afa407bcb099f41d24d8a8de52bbb3882920ed010a584fe95d26091a
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ec1161a639733a7df50ae95897ab6c1a059e23f1f631acbdadda5b53f82ef9a
[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" "7ec1161a639733a7df50ae95897ab6c1a059e23f1f631acbdadda5b53f82ef9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling toml v0.5.8
[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 21.90s
[INFO] running `Command { std: "docker" "inspect" "7ec1161a639733a7df50ae95897ab6c1a059e23f1f631acbdadda5b53f82ef9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ec1161a639733a7df50ae95897ab6c1a059e23f1f631acbdadda5b53f82ef9a", kill_on_drop: false }`
[INFO] [stdout] 7ec1161a639733a7df50ae95897ab6c1a059e23f1f631acbdadda5b53f82ef9a
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 18505c2d56bb73d2da0d3513697eab3a19782ec2d13e39b3652c5ea9be92569e
[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" "18505c2d56bb73d2da0d3513697eab3a19782ec2d13e39b3652c5ea9be92569e", 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-2402b16ccadb0964)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::project_towards ... ok
[INFO] [stdout] test tests::prune_at ... ok
[INFO] [stdout] test tests::prune_beyond_branches ... ok
[INFO] [stdout] test tests::prune_beyond_steps ... ok
[INFO] [stdout] test tests::prune_below_strahler ... ok
[INFO] [stdout] test tests::prune_containing_multiple ... ok
[INFO] [stdout] test tests::prune_containing ... ok
[INFO] [stdout] test tests::test_prune_beyond ... ok
[INFO] [stdout] test tests::test_edges_to_tree_constructs ... ok
[INFO] [stdout] test tests::test_prune_twigs ... ok
[INFO] [stdout] test tests::resample_ls ... ok
[INFO] [stdout] test tests::test_cable ... ok
[INFO] [stdout] test tests::test_resample_tree ... ok
[INFO] [stdout] test tests::test_edges_to_tree_jumbled ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "18505c2d56bb73d2da0d3513697eab3a19782ec2d13e39b3652c5ea9be92569e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18505c2d56bb73d2da0d3513697eab3a19782ec2d13e39b3652c5ea9be92569e", kill_on_drop: false }`
[INFO] [stdout] 18505c2d56bb73d2da0d3513697eab3a19782ec2d13e39b3652c5ea9be92569e