[INFO] fetching crate fbleau 0.3.2...
[INFO] testing fbleau-0.3.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate fbleau 0.3.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate fbleau 0.3.2
[INFO] finished tweaking crates.io crate fbleau 0.3.2
[INFO] tweaked toml for crates.io crate fbleau 0.3.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fbleau 0.3.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fbleau 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-macros v0.13.2
[INFO] [stderr]   Downloaded inventory-impl v0.1.10
[INFO] [stderr]   Downloaded inventory v0.1.10
[INFO] [stderr]   Downloaded unindent v0.1.7
[INFO] [stderr]   Downloaded ordered-float v2.1.1
[INFO] [stderr]   Downloaded indoc-impl v0.3.6
[INFO] [stderr]   Downloaded indoc v0.3.6
[INFO] [stderr]   Downloaded once_cell v1.6.0
[INFO] [stderr]   Downloaded docopt v1.1.0
[INFO] [stderr]   Downloaded matrixmultiply v0.2.4
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.13.2
[INFO] [stderr]   Downloaded itertools v0.10.0
[INFO] [stderr]   Downloaded rustlearn v0.5.0
[INFO] [stderr]   Downloaded crossbeam v0.2.12
[INFO] [stderr]   Downloaded ctor v0.1.19
[INFO] [stderr]   Downloaded ghost v0.1.2
[INFO] [stderr]   Downloaded pyo3 v0.13.2
[INFO] [stderr]   Downloaded syn v1.0.60
[INFO] [stderr]   Downloaded bstr v0.2.15
[INFO] [stderr]   Downloaded libc v0.2.86
[INFO] [stderr]   Downloaded csv v1.1.5
[INFO] [stderr]   Downloaded ndarray v0.14.0
[INFO] [stderr]   Downloaded numpy v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f13149a2e08193bf6545fff11cda1721ad9b3c51a1ec5ce4da3ddd1e258e192
[INFO] running `Command { std: "docker" "start" "-a" "2f13149a2e08193bf6545fff11cda1721ad9b3c51a1ec5ce4da3ddd1e258e192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f13149a2e08193bf6545fff11cda1721ad9b3c51a1ec5ce4da3ddd1e258e192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f13149a2e08193bf6545fff11cda1721ad9b3c51a1ec5ce4da3ddd1e258e192", kill_on_drop: false }`
[INFO] [stdout] 2f13149a2e08193bf6545fff11cda1721ad9b3c51a1ec5ce4da3ddd1e258e192
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a7755c9d933e245f0081a51c6f4b39639956dc7f791e66c810f8a4d6b92cbfa
[INFO] running `Command { std: "docker" "start" "-a" "6a7755c9d933e245f0081a51c6f4b39639956dc7f791e66c810f8a4d6b92cbfa", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling once_cell v1.6.0
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling ordered-float v2.1.1
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling bstr v0.2.15
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling fbleau v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/utils.rs:37:28
[INFO] [stdout]    |
[INFO] [stdout] 37 |                       panic!(format!("Could not parse file {}. Error at line: {:?}",
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 38 | |                                    fname, record))));
[INFO] [stdout]    | |_________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 37 ~                     panic!("Could not parse file {}. Error at line: {:?}",
[INFO] [stdout] 38 ~                                    fname, record)));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.89s
[INFO] running `Command { std: "docker" "inspect" "6a7755c9d933e245f0081a51c6f4b39639956dc7f791e66c810f8a4d6b92cbfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a7755c9d933e245f0081a51c6f4b39639956dc7f791e66c810f8a4d6b92cbfa", kill_on_drop: false }`
[INFO] [stdout] 6a7755c9d933e245f0081a51c6f4b39639956dc7f791e66c810f8a4d6b92cbfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 749d4747279afaa11841b61aab9feb69457a4e250a3b5cf9bdc9c40500e50e9a
[INFO] running `Command { std: "docker" "start" "-a" "749d4747279afaa11841b61aab9feb69457a4e250a3b5cf9bdc9c40500e50e9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/utils.rs:37:28
[INFO] [stdout]    |
[INFO] [stdout] 37 |                       panic!(format!("Could not parse file {}. Error at line: {:?}",
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 38 | |                                    fname, record))));
[INFO] [stdout]    | |_________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 37 ~                     panic!("Could not parse file {}. Error at line: {:?}",
[INFO] [stdout] 38 ~                                    fname, record)));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustlearn v0.5.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling fbleau v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/utils.rs:37:28
[INFO] [stdout]    |
[INFO] [stdout] 37 |                       panic!(format!("Could not parse file {}. Error at line: {:?}",
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 38 | |                                    fname, record))));
[INFO] [stdout]    | |_________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 37 ~                     panic!("Could not parse file {}. Error at line: {:?}",
[INFO] [stdout] 38 ~                                    fname, record)));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.72s
[INFO] running `Command { std: "docker" "inspect" "749d4747279afaa11841b61aab9feb69457a4e250a3b5cf9bdc9c40500e50e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "749d4747279afaa11841b61aab9feb69457a4e250a3b5cf9bdc9c40500e50e9a", kill_on_drop: false }`
[INFO] [stdout] 749d4747279afaa11841b61aab9feb69457a4e250a3b5cf9bdc9c40500e50e9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fbf9d3c0605a5d13c7571a633cbfadcdc52cc403b40b8f4d4332351a88aff008
[INFO] running `Command { std: "docker" "start" "-a" "fbf9d3c0605a5d13c7571a633cbfadcdc52cc403b40b8f4d4332351a88aff008", kill_on_drop: false }`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/utils.rs:37:28
[INFO] [stderr]    |
[INFO] [stderr] 37 |                       panic!(format!("Could not parse file {}. Error at line: {:?}",
[INFO] [stderr]    |  ____________________________^
[INFO] [stderr] 38 | |                                    fname, record))));
[INFO] [stderr]    | |_________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]    |
[INFO] [stderr] 37 ~                     panic!("Could not parse file {}. Error at line: {:?}",
[INFO] [stderr] 38 ~                                    fname, record)));
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `fbleau` (lib) generated 1 warning (run `cargo fix --lib -p fbleau` to apply 1 suggestion)
[INFO] [stderr] warning: `fbleau` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fbleau-c75ab96588ec9c34)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test estimates::convergence::tests::absolute_convergence ... ok
[INFO] [stdout] test estimates::frequentist::tests::frequentist_estimate_backward ... ok
[INFO] [stdout] test estimates::convergence::tests::forward_checker_init ... ok
[INFO] [stdout] test estimates::convergence::tests::forward_checker_convergence ... ok
[INFO] [stdout] test estimates::knn::tests::knn_predictions_multivariate ... ok
[INFO] [stdout] test estimates::frequentist::tests::frequentist_init ... ok
[INFO] [stdout] test estimates::knn::tests::knn_predictions_ties ... ok
[INFO] [stdout] test utils::tests::test_scale ... ok
[INFO] [stdout] test estimates::knn::tests::ties_after_max_k ... ok
[INFO] [stdout] test utils::tests::test_vectors_to_ids ... ok
[INFO] [stdout] test estimates::frequentist::tests::frequentist_estimate_forward ... ok
[INFO] [stdout] test estimates::knn::tests::knn_forward_errors ... ok
[INFO] [stdout] test estimates::knn::tests::knn_init ... ok
[INFO] [stdout] test estimates::knn::tests::knn_forward_predictions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fbleau-5ece5182e6cb6a26)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests fbleau
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/estimates/knn.rs - estimates::knn (line 15) ... ok
[INFO] [stdout] test src/utils.rs - utils::has_integer_support (line 106) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.55s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fbf9d3c0605a5d13c7571a633cbfadcdc52cc403b40b8f4d4332351a88aff008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbf9d3c0605a5d13c7571a633cbfadcdc52cc403b40b8f4d4332351a88aff008", kill_on_drop: false }`
[INFO] [stdout] fbf9d3c0605a5d13c7571a633cbfadcdc52cc403b40b8f4d4332351a88aff008
