[INFO] crate forester 0.0.3 is already in cache [INFO] extracting crate forester 0.0.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/forester/0.0.3 [INFO] extracting crate forester 0.0.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/forester/0.0.3 [INFO] validating manifest of forester-0.0.3 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of forester-0.0.3 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing forester-0.0.3 [INFO] finished frobbing forester-0.0.3 [INFO] frobbed toml for forester-0.0.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/forester/0.0.3/Cargo.toml [INFO] started frobbing forester-0.0.3 [INFO] finished frobbing forester-0.0.3 [INFO] frobbed toml for forester-0.0.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/forester/0.0.3/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing forester-0.0.3 against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/forester/0.0.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 37160669f3e0fd74cd95ebcb9b31854d43c2939fa6ffaaceed8c7d2765dc0b1a [INFO] running `"docker" "start" "-a" "37160669f3e0fd74cd95ebcb9b31854d43c2939fa6ffaaceed8c7d2765dc0b1a"` [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling forester v0.0.3 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/data.rs:56:48 [INFO] [stderr] | [INFO] [stderr] 56 | fn all_split_features(&self) -> Option>> { None } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/testdata.rs:61:48 [INFO] [stderr] | [INFO] [stderr] 61 | fn all_split_features(&self) -> Option>> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.29s [INFO] running `"docker" "inspect" "37160669f3e0fd74cd95ebcb9b31854d43c2939fa6ffaaceed8c7d2765dc0b1a"` [INFO] running `"docker" "rm" "-f" "37160669f3e0fd74cd95ebcb9b31854d43c2939fa6ffaaceed8c7d2765dc0b1a"` [INFO] [stdout] 37160669f3e0fd74cd95ebcb9b31854d43c2939fa6ffaaceed8c7d2765dc0b1a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/forester/0.0.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] e6555284a020100a6e37fdeffa5cc525734edeb278aa2e8ddfcfdaaaff4a8ac2 [INFO] running `"docker" "start" "-a" "e6555284a020100a6e37fdeffa5cc525734edeb278aa2e8ddfcfdaaaff4a8ac2"` [INFO] [stderr] Compiling forester v0.0.3 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/data.rs:56:48 [INFO] [stderr] | [INFO] [stderr] 56 | fn all_split_features(&self) -> Option>> { None } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/testdata.rs:61:48 [INFO] [stderr] | [INFO] [stderr] 61 | fn all_split_features(&self) -> Option>> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.51s [INFO] running `"docker" "inspect" "e6555284a020100a6e37fdeffa5cc525734edeb278aa2e8ddfcfdaaaff4a8ac2"` [INFO] running `"docker" "rm" "-f" "e6555284a020100a6e37fdeffa5cc525734edeb278aa2e8ddfcfdaaaff4a8ac2"` [INFO] [stdout] e6555284a020100a6e37fdeffa5cc525734edeb278aa2e8ddfcfdaaaff4a8ac2 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/forester/0.0.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"` [INFO] [stdout] 10f9a943006b8c88dbe216fb67cd4ad743609a1d001dee73ee06160368a2b070 [INFO] running `"docker" "start" "-a" "10f9a943006b8c88dbe216fb67cd4ad743609a1d001dee73ee06160368a2b070"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running /opt/crater/target/debug/deps/forester-2581eb5b732e012d [INFO] [stdout] [INFO] [stdout] running 20 tests [INFO] [stdout] test api::tests::extra_trees_regressor ... ok [INFO] [stdout] test api::tests::extra_trees_classifier ... ok [INFO] [stdout] test array_ops::tests::dot_slice ... ok [INFO] [stdout] test array_ops::tests::dot_vec ... ok [INFO] [stdout] test array_ops::tests::dot_array ... ok [INFO] [stdout] test categorical::cat_u8 ... ok [INFO] [stdout] test array_ops::tests::partition ... ok [INFO] [stdout] test dtree::tests::fmt ... ok [INFO] [stdout] test iter_mean::tests::iter_mean ... ok [INFO] [stdout] test split::tests::best_split ... ok [INFO] [stdout] test split::tests::best_random_split ... ok [INFO] [stdout] test dtree::tests::tree ... ok [INFO] [stdout] test dtree::tests::bootstrap ... ok [INFO] [stdout] test vec2d::tests::construction ... ok [INFO] [stdout] test split::tests::best_split_random_feature ... ok [INFO] [stdout] test vec2d::tests::iteration ... ok [INFO] [stdout] test vec2d::tests::indexing ... ok [INFO] [stdout] test dforest::tests::fmt ... FAILED [INFO] [stdout] test vec2d::tests::empty_iter ... ok [INFO] [stdout] test array_ops::tests::bootstrap ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- dforest::tests::fmt stdout ---- [INFO] [stdout] thread 'dforest::tests::fmt' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `"Forest: [\n Tree:\n (1) <= 2.3\n +-- 4.5\n +-- *** Invalid ***,\n Tree:\n (1) <= 2.3\n +-- 4.5\n +-- *** Invalid ***,\n]"`, [INFO] [stdout] right: `"Forest: [\n Tree:\n (1) <= 2.3\n +-- 4.5\n +-- *** Invalid ***,\n Tree:\n (1) <= 2.3\n +-- 4.5\n +-- *** Invalid ***\n]"`', src/dforest.rs:110:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5579659877bb - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5579659877bb - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5579659877bb - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5579659877bb - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5579659877bb - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x55796598742a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x557965987f30 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x557965987ab2 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5579659879ff - std::panicking::begin_panic_fmt::ha6acf0ffd6d7f80d [INFO] [stdout] at src/libstd/panicking.rs:339 [INFO] [stdout] 9: 0x5579658f4997 - forester::dforest::tests::fmt::hd0fa39367eacbdd4 [INFO] [stdout] at src/dforest.rs:110 [INFO] [stdout] 10: 0x5579658f42ca - forester::dforest::tests::fmt::{{closure}}::h90e1b2560b513244 [INFO] [stdout] at src/dforest.rs:90 [INFO] [stdout] 11: 0x55796590c9fe - core::ops::function::FnOnce::call_once::h49ff6185f2a0c8a2 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x55796591e7cf - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: 0x55796598a53a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x557965938dc8 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x557965938dc8 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x557965938dc8 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 17: 0x557965913c45 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 18: 0x557965917d05 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 19: 0x557965917d05 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 20: 0x557965917d05 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 21: 0x55796598a53a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 22: 0x557965918402 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 23: 0x557965918402 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 24: 0x557965918402 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 25: 0x557965918402 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 26: 0x55796597d2ef - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 27: 0x557965989c90 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 28: 0x557965989c90 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 29: 0x557965989c90 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 30: 0x7fa8d53d54a4 - start_thread [INFO] [stdout] 31: 0x7fa8d4f00d0f - __clone [INFO] [stdout] 32: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] dforest::tests::fmt [INFO] [stdout] [INFO] [stdout] test result: FAILED. 19 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `"docker" "inspect" "10f9a943006b8c88dbe216fb67cd4ad743609a1d001dee73ee06160368a2b070"` [INFO] running `"docker" "rm" "-f" "10f9a943006b8c88dbe216fb67cd4ad743609a1d001dee73ee06160368a2b070"` [INFO] [stdout] 10f9a943006b8c88dbe216fb67cd4ad743609a1d001dee73ee06160368a2b070