[INFO] fetching crate nn-rs 0.1.2...
[INFO] testing nn-rs-0.1.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate nn-rs 0.1.2 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate nn-rs 0.1.2
[INFO] finished tweaking crates.io crate nn-rs 0.1.2
[INFO] tweaked toml for crates.io crate nn-rs 0.1.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nn-rs 0.1.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 41 packages to latest compatible versions
[INFO] [stderr]       Adding nalgebra v0.29.0 (available: v0.34.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2dd8f313afc0d813c28c262e189558f88fb76b7e794d9b1d919e62fc3a3a5f9a
[INFO] running `Command { std: "docker" "start" "-a" "2dd8f313afc0d813c28c262e189558f88fb76b7e794d9b1d919e62fc3a3a5f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dd8f313afc0d813c28c262e189558f88fb76b7e794d9b1d919e62fc3a3a5f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dd8f313afc0d813c28c262e189558f88fb76b7e794d9b1d919e62fc3a3a5f9a", kill_on_drop: false }`
[INFO] [stdout] 2dd8f313afc0d813c28c262e189558f88fb76b7e794d9b1d919e62fc3a3a5f9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 677942ba38890e581740b515460165fe3291e1bed758ab78564ec9a0b20e58ca
[INFO] running `Command { std: "docker" "start" "-a" "677942ba38890e581740b515460165fe3291e1bed758ab78564ec9a0b20e58ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling wide v0.7.33
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling simba v0.6.0
[INFO] [stderr]    Compiling nalgebra v0.29.0
[INFO] [stderr]    Compiling nn-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.90s
[INFO] running `Command { std: "docker" "inspect" "677942ba38890e581740b515460165fe3291e1bed758ab78564ec9a0b20e58ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "677942ba38890e581740b515460165fe3291e1bed758ab78564ec9a0b20e58ca", kill_on_drop: false }`
[INFO] [stdout] 677942ba38890e581740b515460165fe3291e1bed758ab78564ec9a0b20e58ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc3451dee28c03911f0e8f02d94f084e4f3bec3e976399f77e66462fb4d918b2
[INFO] running `Command { std: "docker" "start" "-a" "dc3451dee28c03911f0e8f02d94f084e4f3bec3e976399f77e66462fb4d918b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling nn-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "dc3451dee28c03911f0e8f02d94f084e4f3bec3e976399f77e66462fb4d918b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc3451dee28c03911f0e8f02d94f084e4f3bec3e976399f77e66462fb4d918b2", kill_on_drop: false }`
[INFO] [stdout] dc3451dee28c03911f0e8f02d94f084e4f3bec3e976399f77e66462fb4d918b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 002c22174b0f48f1d795e511b63a344534d2ab9fc67bf7dfcd837c5df167c19f
[INFO] running `Command { std: "docker" "start" "-a" "002c22174b0f48f1d795e511b63a344534d2ab9fc67bf7dfcd837c5df167c19f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nn_rs-b2a5eadbc3c04f30)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test metrics::metric_factory::tests::test_metric_factory ... ignored
[INFO] [stdout] test nearest_neighbours::tests::test_nearest_neighbours_load ... ok
[INFO] [stdout] test metrics::euclidean_distance::tests::test_euclidean_distance ... ok
[INFO] [stdout] test metrics::manhattan_distance::tests::test_manhattan_distance ... ok
[INFO] [stdout] test metrics::cosine_distance::tests::test_cosine_distance ... ok
[INFO] [stdout] test nearest_neighbours::tests::test_nearest_neighbours_from_json ... ok
[INFO] [stdout] test nearest_neighbours::tests::test_nearest_neighbours_add_vector ... ok
[INFO] [stdout] test nearest_neighbours::tests::test_nearest_neighbours_new ... ok
[INFO] [stdout] test nearest_neighbours::tests::test_nearest_neighbours_query_by_vector ... ok
[INFO] [stdout] test utils::tests::test_integer_decode ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test nearest_neighbours::tests::test_nearest_neighbours_save ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- nearest_neighbours::tests::test_nearest_neighbours_save stdout ----
[INFO] [stdout] Error: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: anyhow::error::<impl core::convert::From<E> for anyhow::Error>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<T,F> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible,E>>>::from_residual
[INFO] [stdout]              at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:2087:27
[INFO] [stdout]    2: nn_rs::nearest_neighbours::NearestNeighbours::save
[INFO] [stdout]              at ./src/nearest_neighbours.rs:113:27
[INFO] [stdout]    3: nn_rs::nearest_neighbours::tests::test_nearest_neighbours_save
[INFO] [stdout]              at ./src/nearest_neighbours.rs:195:15
[INFO] [stdout]    4: nn_rs::nearest_neighbours::tests::test_nearest_neighbours_save::{{closure}}
[INFO] [stdout]              at ./src/nearest_neighbours.rs:190:42
[INFO] [stdout]    5: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]    6: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]    7: test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]    8: test::run_test_in_process::{{closure}}
[INFO] [stdout]              at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]    9: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   10: std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   11: std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   13: test::run_test_in_process
[INFO] [stdout]              at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   14: test::run_test::{{closure}}
[INFO] [stdout]              at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   15: test::run_test::{{closure}}
[INFO] [stdout]              at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   16: std::sys::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   17: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   18: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   19: std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   20: std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   21: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   22: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   23: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   24: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   25: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   26: <unknown>
[INFO] [stdout]   27: clone
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     nearest_neighbours::tests::test_nearest_neighbours_save
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 9 passed; 1 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "002c22174b0f48f1d795e511b63a344534d2ab9fc67bf7dfcd837c5df167c19f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "002c22174b0f48f1d795e511b63a344534d2ab9fc67bf7dfcd837c5df167c19f", kill_on_drop: false }`
[INFO] [stdout] 002c22174b0f48f1d795e511b63a344534d2ab9fc67bf7dfcd837c5df167c19f
