[INFO] fetching crate linfa-nn 0.5.0...
[INFO] testing linfa-nn-0.5.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate linfa-nn 0.5.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate linfa-nn 0.5.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate linfa-nn 0.5.0
[INFO] finished tweaking crates.io crate linfa-nn 0.5.0
[INFO] tweaked toml for crates.io crate linfa-nn 0.5.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b730bfd9da41d8d3d5c64654dda8ff4dfc6b29dd2228bf5a3ebd654fda94729d
[INFO] running `Command { std: "docker" "start" "-a" "b730bfd9da41d8d3d5c64654dda8ff4dfc6b29dd2228bf5a3ebd654fda94729d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b730bfd9da41d8d3d5c64654dda8ff4dfc6b29dd2228bf5a3ebd654fda94729d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b730bfd9da41d8d3d5c64654dda8ff4dfc6b29dd2228bf5a3ebd654fda94729d", kill_on_drop: false }`
[INFO] [stdout] b730bfd9da41d8d3d5c64654dda8ff4dfc6b29dd2228bf5a3ebd654fda94729d
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0a7b965dd5852540dcb13046414d0378d3d7dd5c60ac816637e713608990b27
[INFO] running `Command { std: "docker" "start" "-a" "c0a7b965dd5852540dcb13046414d0378d3d7dd5c60ac816637e713608990b27", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling linfa v0.5.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling order-stat v0.1.3
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling matrixmultiply v0.3.1
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling noisy_float v0.2.0
[INFO] [stderr]    Compiling kdtree v0.6.0
[INFO] [stderr]    Compiling ndarray v0.15.3
[INFO] [stderr]    Compiling ndarray-stats v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling linfa-nn v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.86s
[INFO] running `Command { std: "docker" "inspect" "c0a7b965dd5852540dcb13046414d0378d3d7dd5c60ac816637e713608990b27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0a7b965dd5852540dcb13046414d0378d3d7dd5c60ac816637e713608990b27", kill_on_drop: false }`
[INFO] [stdout] c0a7b965dd5852540dcb13046414d0378d3d7dd5c60ac816637e713608990b27
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24a9dfddb476c699e5a1d6b03a0611aa3cd8c856fc97d14d2510086e82441644
[INFO] running `Command { std: "docker" "start" "-a" "24a9dfddb476c699e5a1d6b03a0611aa3cd8c856fc97d14d2510086e82441644", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_isaac v0.3.0
[INFO] [stderr]    Compiling rand_distr v0.4.2
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling ndarray-rand v0.14.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling linfa-nn v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.66s
[INFO] running `Command { std: "docker" "inspect" "24a9dfddb476c699e5a1d6b03a0611aa3cd8c856fc97d14d2510086e82441644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24a9dfddb476c699e5a1d6b03a0611aa3cd8c856fc97d14d2510086e82441644", kill_on_drop: false }`
[INFO] [stdout] 24a9dfddb476c699e5a1d6b03a0611aa3cd8c856fc97d14d2510086e82441644
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bd64240edf24c33f99c4376281f4670b89e44ea234c7919ee6c08d66d7a582a4
[INFO] running `Command { std: "docker" "start" "-a" "bd64240edf24c33f99c4376281f4670b89e44ea234c7919ee6c08d66d7a582a4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/linfa_nn-a19a903a91cc69cb)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test distance::test::l1_dist ... ok
[INFO] [stdout] test distance::test::l2_dist ... ok
[INFO] [stdout] test balltree::test::partition_test ... ok
[INFO] [stdout] test distance::test::linf_dist ... ok
[INFO] [stdout] test distance::test::lp_dist ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/nn.rs (/opt/rustwide/target/debug/deps/nn-ae47e997fb6d4e38)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test balltree::empty ... ok
[INFO] [stdout] test balltree::error ... ok
[INFO] [stdout] test balltree::degenerate ... ok
[INFO] [stdout] test balltree::normal ... ok
[INFO] [stdout] test kdtree::error ... ok
[INFO] [stdout] test kdtree::empty ... ok
[INFO] [stdout] test kdtree::degenerate ... ok
[INFO] [stdout] test kdtree::normal ... ok
[INFO] [stdout] test linear_search::degenerate ... ok
[INFO] [stdout] test linear_search::empty ... ok
[INFO] [stdout] test linear_search::error ... ok
[INFO] [stdout] test linear_search::normal ... ok
[INFO] [stdout] test kdtree::random_l1 ... ok
[INFO] [stdout] test kdtree::random_l2 ... ok
[INFO] [stdout] test balltree::random_l1 ... ok
[INFO] [stdout] test balltree::random_l2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.10s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests linfa-nn
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - CommonNearestNeighbour (line 123) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.51s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bd64240edf24c33f99c4376281f4670b89e44ea234c7919ee6c08d66d7a582a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd64240edf24c33f99c4376281f4670b89e44ea234c7919ee6c08d66d7a582a4", kill_on_drop: false }`
[INFO] [stdout] bd64240edf24c33f99c4376281f4670b89e44ea234c7919ee6c08d66d7a582a4