[INFO] crate scarecrow 0.1.0 is already in cache
[INFO] extracting crate scarecrow 0.1.0 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/scarecrow/0.1.0
[INFO] extracting crate scarecrow 0.1.0 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/scarecrow/0.1.0
[INFO] validating manifest of scarecrow-0.1.0 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of scarecrow-0.1.0 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing scarecrow-0.1.0
[INFO] finished frobbing scarecrow-0.1.0
[INFO] frobbed toml for scarecrow-0.1.0 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/scarecrow/0.1.0/Cargo.toml
[INFO] started frobbing scarecrow-0.1.0
[INFO] finished frobbing scarecrow-0.1.0
[INFO] frobbed toml for scarecrow-0.1.0 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/scarecrow/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing scarecrow-0.1.0 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/scarecrow/0.1.0:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] e6ab72f51c16dbee8ae737448dbb38d6cd279a498de2801651b3a49c64f7c438
[INFO] running `"docker" "start" "-a" "e6ab72f51c16dbee8ae737448dbb38d6cd279a498de2801651b3a49c64f7c438"`
[INFO] [stderr]    Compiling scarecrow v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `"docker" "inspect" "e6ab72f51c16dbee8ae737448dbb38d6cd279a498de2801651b3a49c64f7c438"`
[INFO] running `"docker" "rm" "-f" "e6ab72f51c16dbee8ae737448dbb38d6cd279a498de2801651b3a49c64f7c438"`
[INFO] [stdout] e6ab72f51c16dbee8ae737448dbb38d6cd279a498de2801651b3a49c64f7c438
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/scarecrow/0.1.0:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] aaf0d33d1403e99c3ed545da174cf8aaef976179b69effd9bf0e02d6418e8517
[INFO] running `"docker" "start" "-a" "aaf0d33d1403e99c3ed545da174cf8aaef976179b69effd9bf0e02d6418e8517"`
[INFO] [stderr]    Compiling scarecrow v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `"docker" "inspect" "aaf0d33d1403e99c3ed545da174cf8aaef976179b69effd9bf0e02d6418e8517"`
[INFO] running `"docker" "rm" "-f" "aaf0d33d1403e99c3ed545da174cf8aaef976179b69effd9bf0e02d6418e8517"`
[INFO] [stdout] aaf0d33d1403e99c3ed545da174cf8aaef976179b69effd9bf0e02d6418e8517
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/scarecrow/0.1.0:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] cc07bc496cfa5836f636c039210f6456b9970f858823afe1ea640c9c313cf28a
[INFO] running `"docker" "start" "-a" "cc07bc496cfa5836f636c039210f6456b9970f858823afe1ea640c9c313cf28a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/scarecrow-46e49d8b3924bec3
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sgd-e2d4c0ea0cf69600
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test layers::tests::dense_delta_from_inputs ... ok
[INFO] [stdout] test layers::tests::dense_derivw ... ok
[INFO] [stdout] test layers::tests::sigmoid_delta_from_outputs ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test layers::tests::rectified_output ... ok
[INFO] [stdout] test layers::tests::dense_output ... ok
[INFO] [stdout] test layers::tests::hyperbolic_derivo ... ok
[INFO] [stdout] test utils::tests::add_test ... ok
[INFO] [stdout] test utils::tests::dot_test ... ok
[INFO] [stdout] test utils::tests::normal_vector_test ... ok
[INFO] [stdout] test utils::tests::product_test ... ok
[INFO] [stdout] test utils::tests::sum_test ... ok
[INFO] [stdout] test layers::tests::sigmoid_output ... ok
[INFO] [stdout] test layers::tests::hyperbolic_output ... ok
[INFO] [stdout] test layers::tests::rectified_delta_from_inputs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test train_xor ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- train_xor stdout ----
[INFO] [stdout] X: [0.0, 0.0], Y: [0.013270203], T: [0.0]
[INFO] [stdout] X: [0.0, 1.0], Y: [0.010642424], T: [1.0]
[INFO] [stdout] X: [1.0, 0.0], Y: [0.32733506], T: [1.0]
[INFO] [stdout] X: [1.0, 1.0], Y: [0.25720787], T: [0.0]
[INFO] [stdout] X: [0.0, 0.0], Y: [0.06305787], T: [0.0]
[INFO] [stdout] X: [0.0, 1.0], Y: [0.8976491], T: [1.0]
[INFO] [stdout] thread 'train_xor' panicked at 'assertion failed: trainer.loss.loss1(o[0], t[0]) < 0.01', tests/sgd.rs:50:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5596c1f84e53 - std[698b411d1b74fcff]::sys::unix::backtrace::tracing::imp::unwind_backtrace
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x5596c1f80afb - std[698b411d1b74fcff]::sys_common::backtrace::_print
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stdout]    2:     0x5596c1f83a86 - std[698b411d1b74fcff]::panicking::default_hook::{closure#1}
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:58
[INFO] [stdout]                                at src/libstd/panicking.rs:200
[INFO] [stdout]    3:     0x5596c1f83787 - std[698b411d1b74fcff]::panicking::default_hook
[INFO] [stdout]                                at src/libstd/panicking.rs:209
[INFO] [stdout]    4:     0x5596c1f84190 - std[698b411d1b74fcff]::panicking::rust_panic_with_hook
[INFO] [stdout]                                at src/libstd/panicking.rs:478
[INFO] [stdout]    5:     0x5596c1f64c77 - std[698b411d1b74fcff]::panicking::begin_panic::<&str>
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:412
[INFO] [stdout]    6:     0x5596c1f13b12 - sgd[c1da7be67a486a84]::train_xor
[INFO] [stdout]                                at tests/sgd.rs:50
[INFO] [stdout]    7:     0x5596c1f12819 - sgd[c1da7be67a486a84]::train_xor::{closure#0}
[INFO] [stdout]                                at tests/sgd.rs:10
[INFO] [stdout]    8:     0x5596c1f1552d - <sgd[c1da7be67a486a84]::train_xor::{closure#0} as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231
[INFO] [stdout]    9:     0x5596c1f2161e - <test[ea847f4bd1b1afc4]::run_test::{closure#3} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::call_box
[INFO] [stdout]                                at src/libtest/lib.rs:1474
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734
[INFO] [stdout]   10:     0x5596c1f873b9 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   11:     0x5596c1f3bb07 - test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388
[INFO] [stdout]                                at src/libtest/lib.rs:1429
[INFO] [stdout]   12:     0x5596c1f16eb4 - std[698b411d1b74fcff]::sys_common::backtrace::__rust_begin_short_backtrace::<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sys_common/backtrace.rs:135
[INFO] [stdout]   13:     0x5596c1f169d4 - std[698b411d1b74fcff]::panicking::try::do_call::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>::{closure#0}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:309
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:297
[INFO] [stdout]   14:     0x5596c1f873b9 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   15:     0x5596c1f2135c - <<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>::{closure#0} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::call_box
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:468
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734
[INFO] [stdout]   16:     0x5596c1f86b6d - <std[698b411d1b74fcff]::sys::unix::thread::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:744
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:14
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:81
[INFO] [stdout]   17:     0x7fa3cf5b0493 - start_thread
[INFO] [stdout]   18:     0x7fa3cf0dbace - __clone
[INFO] [stdout]   19:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     train_xor
[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 '--test sgd'
[INFO] running `"docker" "inspect" "cc07bc496cfa5836f636c039210f6456b9970f858823afe1ea640c9c313cf28a"`
[INFO] running `"docker" "rm" "-f" "cc07bc496cfa5836f636c039210f6456b9970f858823afe1ea640c9c313cf28a"`
[INFO] [stdout] cc07bc496cfa5836f636c039210f6456b9970f858823afe1ea640c9c313cf28a