[INFO] fetching crate neurarbor 0.2.0...
[INFO] testing neurarbor-0.2.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate neurarbor 0.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate neurarbor 0.2.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e68044f5762a5595630bf4348190495b92342ef6fd1e6e51f9c885d49632312f
[INFO] running `Command { std: "docker" "start" "-a" "e68044f5762a5595630bf4348190495b92342ef6fd1e6e51f9c885d49632312f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e68044f5762a5595630bf4348190495b92342ef6fd1e6e51f9c885d49632312f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e68044f5762a5595630bf4348190495b92342ef6fd1e6e51f9c885d49632312f", kill_on_drop: false }`
[INFO] [stdout] e68044f5762a5595630bf4348190495b92342ef6fd1e6e51f9c885d49632312f
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43203811aed7560dc41cfc28e25b66e394cd0fa0cdec6cb377e5f074e5eb3e82
[INFO] running `Command { std: "docker" "start" "-a" "43203811aed7560dc41cfc28e25b66e394cd0fa0cdec6cb377e5f074e5eb3e82", 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 0.92s
[INFO] running `Command { std: "docker" "inspect" "43203811aed7560dc41cfc28e25b66e394cd0fa0cdec6cb377e5f074e5eb3e82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43203811aed7560dc41cfc28e25b66e394cd0fa0cdec6cb377e5f074e5eb3e82", kill_on_drop: false }`
[INFO] [stdout] 43203811aed7560dc41cfc28e25b66e394cd0fa0cdec6cb377e5f074e5eb3e82
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b23732daaeb719ba9063fdd1d9997ae5219d0f7342ef4d7bb41364e72e71072
[INFO] running `Command { std: "docker" "start" "-a" "3b23732daaeb719ba9063fdd1d9997ae5219d0f7342ef4d7bb41364e72e71072", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex v1.5.4
[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 19.93s
[INFO] running `Command { std: "docker" "inspect" "3b23732daaeb719ba9063fdd1d9997ae5219d0f7342ef4d7bb41364e72e71072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b23732daaeb719ba9063fdd1d9997ae5219d0f7342ef4d7bb41364e72e71072", kill_on_drop: false }`
[INFO] [stdout] 3b23732daaeb719ba9063fdd1d9997ae5219d0f7342ef4d7bb41364e72e71072
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dfd28a8b7ff4f7ba30ea6299d916d973f3cf3c2f2d9cd5399ca9efb5dced0d9e
[INFO] running `Command { std: "docker" "start" "-a" "dfd28a8b7ff4f7ba30ea6299d916d973f3cf3c2f2d9cd5399ca9efb5dced0d9e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/neurarbor-789ce1080d6c8426)
[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_containing ... ok
[INFO] [stdout] test tests::prune_below_strahler ... ok
[INFO] [stdout] test tests::resample_ls ... ok
[INFO] [stdout] test tests::prune_beyond_steps ... ok
[INFO] [stdout] test tests::prune_containing_multiple ... ok
[INFO] [stdout] test tests::test_edges_to_tree_jumbled ... ok
[INFO] [stdout] test tests::test_cable ... ok
[INFO] [stdout] test tests::test_prune_beyond ... ok
[INFO] [stdout] test tests::test_resample_tree ... ok
[INFO] [stdout] test tests::test_prune_twigs ... ok
[INFO] [stdout] test tests::test_edges_to_tree_constructs ... 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" "dfd28a8b7ff4f7ba30ea6299d916d973f3cf3c2f2d9cd5399ca9efb5dced0d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfd28a8b7ff4f7ba30ea6299d916d973f3cf3c2f2d9cd5399ca9efb5dced0d9e", kill_on_drop: false }`
[INFO] [stdout] dfd28a8b7ff4f7ba30ea6299d916d973f3cf3c2f2d9cd5399ca9efb5dced0d9e