[INFO] fetching crate fbleau 0.3.1...
[INFO] testing fbleau-0.3.1 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate fbleau 0.3.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate fbleau 0.3.1 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fbleau 0.3.1
[INFO] finished tweaking crates.io crate fbleau 0.3.1
[INFO] tweaked toml for crates.io crate fbleau 0.3.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate fbleau 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b88013a2e9aca7441671ba3c5aaed39bd457cba8357d4d06865e3b5806402da7
[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" "b88013a2e9aca7441671ba3c5aaed39bd457cba8357d4d06865e3b5806402da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b88013a2e9aca7441671ba3c5aaed39bd457cba8357d4d06865e3b5806402da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b88013a2e9aca7441671ba3c5aaed39bd457cba8357d4d06865e3b5806402da7", kill_on_drop: false }`
[INFO] [stdout] b88013a2e9aca7441671ba3c5aaed39bd457cba8357d4d06865e3b5806402da7
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c87dea967542a08995360b345f9a77ecb7d7efca7abb90f42849281e84f25e7
[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" "0c87dea967542a08995360b345f9a77ecb7d7efca7abb90f42849281e84f25e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]    Compiling strsim v0.9.2
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling itertools v0.8.1
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling csv-core v0.1.4
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling float-cmp v0.5.2
[INFO] [stderr]    Compiling ordered-float v0.5.2
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling csv v1.0.2
[INFO] [stderr]    Compiling docopt v1.0.1
[INFO] [stderr]    Compiling fbleau v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]    --> src/estimates/knn.rs:632:72
[INFO] [stdout]     |
[INFO] [stdout] 632 | ...                   _ => panic!("errors must contain values in {0,1}")
[INFO] [stdout]     |                                                                  ^   ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 632 |                             _ => panic!("{}", "errors must contain values in {0,1}")
[INFO] [stdout]     |                                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "0c87dea967542a08995360b345f9a77ecb7d7efca7abb90f42849281e84f25e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c87dea967542a08995360b345f9a77ecb7d7efca7abb90f42849281e84f25e7", kill_on_drop: false }`
[INFO] [stdout] 0c87dea967542a08995360b345f9a77ecb7d7efca7abb90f42849281e84f25e7
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1881b3219625016f26c8a4da232331c927156623dc7f27193eb2755c84657903
[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" "1881b3219625016f26c8a4da232331c927156623dc7f27193eb2755c84657903", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]    --> src/estimates/knn.rs:632:72
[INFO] [stdout]     |
[INFO] [stdout] 632 | ...                   _ => panic!("errors must contain values in {0,1}")
[INFO] [stdout]     |                                                                  ^   ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 632 |                             _ => panic!("{}", "errors must contain values in {0,1}")
[INFO] [stdout]     |                                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustlearn v0.5.0
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling fbleau v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]    --> src/estimates/knn.rs:632:72
[INFO] [stdout]     |
[INFO] [stdout] 632 | ...                   _ => panic!("errors must contain values in {0,1}")
[INFO] [stdout]     |                                                                  ^   ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 632 |                             _ => panic!("{}", "errors must contain values in {0,1}")
[INFO] [stdout]     |                                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.24s
[INFO] running `Command { std: "docker" "inspect" "1881b3219625016f26c8a4da232331c927156623dc7f27193eb2755c84657903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1881b3219625016f26c8a4da232331c927156623dc7f27193eb2755c84657903", kill_on_drop: false }`
[INFO] [stdout] 1881b3219625016f26c8a4da232331c927156623dc7f27193eb2755c84657903
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fd700cc29b57f2ae83cf4911e186b4da5b6889ef94ed89766dacd0a897ed639c
[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" "fd700cc29b57f2ae83cf4911e186b4da5b6889ef94ed89766dacd0a897ed639c", kill_on_drop: false }`
[INFO] [stderr] warning: panic message contains braces
[INFO] [stderr]    --> src/estimates/knn.rs:632:72
[INFO] [stderr]     |
[INFO] [stderr] 632 | ...                   _ => panic!("errors must contain values in {0,1}")
[INFO] [stderr]     |                                                                  ^   ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stderr]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stderr] help: add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 632 |                             _ => panic!("{}", "errors must contain values in {0,1}")
[INFO] [stderr]     |                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains braces
[INFO] [stderr]    --> src/estimates/knn.rs:632:72
[INFO] [stderr]     |
[INFO] [stderr] 632 | ...                   _ => panic!("errors must contain values in {0,1}")
[INFO] [stderr]     |                                                                  ^   ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stderr]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stderr] help: add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 632 |                             _ => panic!("{}", "errors must contain values in {0,1}")
[INFO] [stderr]     |                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fbleau-ba1cc592460fbf02
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test estimates::frequentist::tests::frequentist_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 utils::tests::test_vectors_to_ids ... ok
[INFO] [stdout] test estimates::knn::tests::knn_predictions_ties ... ok
[INFO] [stdout] test estimates::knn::tests::knn_init ... ok
[INFO] [stdout] test estimates::frequentist::tests::frequentist_estimate_forward ... ok
[INFO] [stdout] test estimates::knn::tests::knn_forward_predictions ... ok
[INFO] [stdout] test estimates::knn::tests::knn_forward_errors ... ok
[INFO] [stdout] test estimates::convergence::tests::absolute_convergence ... ok
[INFO] [stdout] test estimates::frequentist::tests::frequentist_estimate_backward ... ok
[INFO] [stdout] test estimates::knn::tests::ties_after_max_k ... ok
[INFO] [stdout] test estimates::convergence::tests::forward_checker_init ... ok
[INFO] [stdout] test utils::tests::test_scale ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fbleau-375a439d2cb53fef
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fbleau
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/utils.rs - utils::has_integer_support (line 106) ... ok
[INFO] [stdout] test src/estimates/knn.rs - estimates::knn (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fd700cc29b57f2ae83cf4911e186b4da5b6889ef94ed89766dacd0a897ed639c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd700cc29b57f2ae83cf4911e186b4da5b6889ef94ed89766dacd0a897ed639c", kill_on_drop: false }`
[INFO] [stdout] fd700cc29b57f2ae83cf4911e186b4da5b6889ef94ed89766dacd0a897ed639c