[INFO] fetching crate linfa-clustering 0.1.0...
[INFO] testing linfa-clustering-0.1.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate linfa-clustering 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate linfa-clustering 0.1.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate linfa-clustering 0.1.0
[INFO] finished tweaking crates.io crate linfa-clustering 0.1.0
[INFO] tweaked toml for crates.io crate linfa-clustering 0.1.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate linfa-clustering 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ndarray-npy v0.5.0
[INFO] [stderr]   Downloaded ndarray-rand v0.11.0
[INFO] [stderr]   Downloaded pest v1.0.6
[INFO] [stderr]   Downloaded syn v0.11.11
[INFO] [stderr]   Downloaded synom v0.11.3
[INFO] [stderr]   Downloaded ndarray-stats v0.3.0
[INFO] [stderr]   Downloaded quote v0.3.15
[INFO] [stderr]   Downloaded serde_json v1.0.41
[INFO] [stderr]   Downloaded rand_isaac v0.2.0
[INFO] [stderr]   Downloaded serde v1.0.102
[INFO] [stderr]   Downloaded pest_derive v1.0.8
[INFO] [stderr]   Downloaded indexmap v1.3.0
[INFO] [stderr]   Downloaded serde_derive v1.0.102
[INFO] [stderr]   Downloaded noisy_float v0.1.11
[INFO] [stderr]   Downloaded py_literal v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", 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] 932880e14fce1abd714d382dde2d952d428f2e163149a397338ea39fcaec670d
[INFO] running `Command { std: "docker" "start" "-a" "932880e14fce1abd714d382dde2d952d428f2e163149a397338ea39fcaec670d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "932880e14fce1abd714d382dde2d952d428f2e163149a397338ea39fcaec670d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "932880e14fce1abd714d382dde2d952d428f2e163149a397338ea39fcaec670d", kill_on_drop: false }`
[INFO] [stdout] 932880e14fce1abd714d382dde2d952d428f2e163149a397338ea39fcaec670d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab20224489e94e9158f22a5f68f783ddc15b0b77f4f7965db95e1f117224481c
[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" "ab20224489e94e9158f22a5f68f783ddc15b0b77f4f7965db95e1f117224481c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling noisy_float v0.1.11
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling ndarray-stats v0.3.0
[INFO] [stderr]    Compiling ndarray-rand v0.11.0
[INFO] [stderr]    Compiling linfa-clustering v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.82s
[INFO] running `Command { std: "docker" "inspect" "ab20224489e94e9158f22a5f68f783ddc15b0b77f4f7965db95e1f117224481c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab20224489e94e9158f22a5f68f783ddc15b0b77f4f7965db95e1f117224481c", kill_on_drop: false }`
[INFO] [stdout] ab20224489e94e9158f22a5f68f783ddc15b0b77f4f7965db95e1f117224481c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] ccac69d7e79d7752c49c5e9c5c156665192d95a048a540e27341aad2a6686b5f
[INFO] running `Command { std: "docker" "start" "-a" "ccac69d7e79d7752c49c5e9c5c156665192d95a048a540e27341aad2a6686b5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling rand_isaac v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling tinytemplate v1.0.2
[INFO] [stderr]    Compiling criterion v0.3.0
[INFO] [stderr]    Compiling py_literal v0.2.1
[INFO] [stderr]    Compiling ndarray-npy v0.5.0
[INFO] [stderr]    Compiling linfa-clustering v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 20.46s
[INFO] running `Command { std: "docker" "inspect" "ccac69d7e79d7752c49c5e9c5c156665192d95a048a540e27341aad2a6686b5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccac69d7e79d7752c49c5e9c5c156665192d95a048a540e27341aad2a6686b5f", kill_on_drop: false }`
[INFO] [stdout] ccac69d7e79d7752c49c5e9c5c156665192d95a048a540e27341aad2a6686b5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d48f03adc0c345c7019ccfbd3daf55d3fb83c4cd80285dfbadc5b54434b40b95
[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" "d48f03adc0c345c7019ccfbd3daf55d3fb83c4cd80285dfbadc5b54434b40b95", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/linfa_clustering-f376099f8666d75c
[INFO] [stdout] running 4 tests
[INFO] [stdout] test k_means::algorithm::tests::nothing_is_closer_than_self ... ok
[INFO] [stdout] test k_means::helpers::tests::incremental_mean ... ok
[INFO] [stdout] test k_means::algorithm::tests::compute_centroids_works ... ok
[INFO] [stdout] test k_means::algorithm::tests::oracle_test_for_closest_centroid ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hyperparameters_test-279c43f303694b2d
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test n_clusters_cannot_be_zero ... ok
[INFO] [stdout] test tolerance_has_to_positive ... ok
[INFO] [stdout] test tolerance_cannot_be_zero ... ok
[INFO] [stderr]    Doc-tests linfa-clustering
[INFO] [stdout] test max_n_iterations_cannot_be_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/k_means/algorithm.rs - k_means::algorithm::KMeans (line 62) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/k_means/algorithm.rs - k_means::algorithm::KMeans (line 62) stdout ----
[INFO] [stdout] Test executable failed (exit code 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'Failed to open file.: Os { code: 30, kind: Other, message: "Read-only file system" }', src/k_means/algorithm.rs:43:46
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55a894e8cab0 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x55a894e8cab0 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55a894e8cab0 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x55a894e8cab0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x55a894eaa9ec - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stdout]    5:     0x55a894e8ab72 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stdout]    6:     0x55a894e8ee4d - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    7:     0x55a894e8ee4d - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    8:     0x55a894e8ee4d - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stdout]    9:     0x55a894e8eaf8 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stdout]   10:     0x55a894e8f531 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stdout]   11:     0x55a894e8f0d9 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484
[INFO] [stdout]   12:     0x55a894e8cf3c - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   13:     0x55a894e8f099 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483
[INFO] [stdout]   14:     0x55a894ea92c1 - core::panicking::panic_fmt::h5b17d4a0e853d0f5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/panicking.rs:85
[INFO] [stdout]   15:     0x55a894ea90e3 - core::option::expect_none_failed::hd08bf36cae411fff
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/option.rs:1234
[INFO] [stdout]   16:     0x55a894d9d78f - core::result::Result<T,E>::expect::h457a16ed6259d24a
[INFO] [stdout]   17:     0x55a894e01f62 - rust_out::main::h405f65324f7b53be
[INFO] [stdout]   18:     0x55a894d92293 - core::ops::function::FnOnce::call_once::h5c25fabf55f68cb0
[INFO] [stdout]   19:     0x55a894d8f139 - std::sys_common::backtrace::__rust_begin_short_backtrace::he48b78818c6bb8fc
[INFO] [stdout]   20:     0x55a894d8f809 - std::rt::lang_start::{{closure}}::h2090de6a9fc357b8
[INFO] [stdout]   21:     0x55a894e8fa47 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h908982dfc31b926f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:259
[INFO] [stdout]   22:     0x55a894e8fa47 - std::panicking::try::do_call::h92777899503b7584
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   23:     0x55a894e8fa47 - std::panicking::try::h8815656b2b76e792
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   24:     0x55a894e8fa47 - std::panic::catch_unwind::h112ab81228f50b46
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   25:     0x55a894e8fa47 - std::rt::lang_start_internal::h1772a706c7575c24
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:51
[INFO] [stdout]   26:     0x55a894d8f7e8 - std::rt::lang_start::h5654c047948033d3
[INFO] [stdout]   27:     0x55a894e0277b - main
[INFO] [stdout]   28:     0x7fb6fdc120b3 - __libc_start_main
[INFO] [stdout]   29:     0x55a894d770ae - _start
[INFO] [stdout]   30:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/k_means/algorithm.rs - k_means::algorithm::KMeans (line 62)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "d48f03adc0c345c7019ccfbd3daf55d3fb83c4cd80285dfbadc5b54434b40b95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d48f03adc0c345c7019ccfbd3daf55d3fb83c4cd80285dfbadc5b54434b40b95", kill_on_drop: false }`
[INFO] [stdout] d48f03adc0c345c7019ccfbd3daf55d3fb83c4cd80285dfbadc5b54434b40b95
