[INFO] crate constrained 0.1.0 is already in cache [INFO] extracting crate constrained 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/constrained/0.1.0 [INFO] extracting crate constrained 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/constrained/0.1.0 [INFO] validating manifest of constrained-0.1.0 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of constrained-0.1.0 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing constrained-0.1.0 [INFO] finished frobbing constrained-0.1.0 [INFO] frobbed toml for constrained-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/constrained/0.1.0/Cargo.toml [INFO] started frobbing constrained-0.1.0 [INFO] finished frobbing constrained-0.1.0 [INFO] frobbed toml for constrained-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/constrained/0.1.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing constrained-0.1.0 against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/constrained/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=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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 98fc8ef4baee0822bc21a6964e1ce2db8dea97d69426a9c6d351a44f45ea849a [INFO] running `"docker" "start" "-a" "98fc8ef4baee0822bc21a6964e1ce2db8dea97d69426a9c6d351a44f45ea849a"` [INFO] [stderr] Compiling dense_mats v0.4.0 [INFO] [stderr] Compiling sprs v0.3.3 [INFO] [stderr] Compiling constrained v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unnecessary parentheses around method argument [INFO] [stderr] --> src/lib.rs:297:35 [INFO] [stderr] | [INFO] [stderr] 297 | let mut lambda = N::one().max((obvalue.abs() / N::from(n).unwrap().sqrt().sqrt())); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `sprs::sparse::compressed::SpMatView` [INFO] [stderr] --> src/lib.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use sprs::sparse::compressed::SpMatView; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `One` [INFO] [stderr] --> src/lib.rs:19:11 [INFO] [stderr] | [INFO] [stderr] 19 | use num::{One, Zero, Float}; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: value assigned to `lower` is never read [INFO] [stderr] --> src/lib.rs:373:17 [INFO] [stderr] | [INFO] [stderr] 373 | lower = zhis[iter]; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_assignments)] on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: function is never used: `from_iter` [INFO] [stderr] --> src/lib.rs:121:1 [INFO] [stderr] | [INFO] [stderr] 121 | fn from_iter>(itr: I, len: Option) -> CsVecOwned { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.90s [INFO] running `"docker" "inspect" "98fc8ef4baee0822bc21a6964e1ce2db8dea97d69426a9c6d351a44f45ea849a"` [INFO] running `"docker" "rm" "-f" "98fc8ef4baee0822bc21a6964e1ce2db8dea97d69426a9c6d351a44f45ea849a"` [INFO] [stdout] 98fc8ef4baee0822bc21a6964e1ce2db8dea97d69426a9c6d351a44f45ea849a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/constrained/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=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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] f8bbc6479c9517bd52a76ca7e496b7450fbd934676791940d69c1d13c15d5ede [INFO] running `"docker" "start" "-a" "f8bbc6479c9517bd52a76ca7e496b7450fbd934676791940d69c1d13c15d5ede"` [INFO] [stderr] Compiling constrained v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unnecessary parentheses around method argument [INFO] [stderr] --> src/lib.rs:297:35 [INFO] [stderr] | [INFO] [stderr] 297 | let mut lambda = N::one().max((obvalue.abs() / N::from(n).unwrap().sqrt().sqrt())); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `sprs::sparse::compressed::SpMatView` [INFO] [stderr] --> src/lib.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use sprs::sparse::compressed::SpMatView; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `One` [INFO] [stderr] --> src/lib.rs:19:11 [INFO] [stderr] | [INFO] [stderr] 19 | use num::{One, Zero, Float}; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: value assigned to `lower` is never read [INFO] [stderr] --> src/lib.rs:373:17 [INFO] [stderr] | [INFO] [stderr] 373 | lower = zhis[iter]; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_assignments)] on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: function is never used: `from_iter` [INFO] [stderr] --> src/lib.rs:121:1 [INFO] [stderr] | [INFO] [stderr] 121 | fn from_iter>(itr: I, len: Option) -> CsVecOwned { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.38s [INFO] running `"docker" "inspect" "f8bbc6479c9517bd52a76ca7e496b7450fbd934676791940d69c1d13c15d5ede"` [INFO] running `"docker" "rm" "-f" "f8bbc6479c9517bd52a76ca7e496b7450fbd934676791940d69c1d13c15d5ede"` [INFO] [stdout] f8bbc6479c9517bd52a76ca7e496b7450fbd934676791940d69c1d13c15d5ede [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/constrained/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=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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 09f9f27d90a113c449479b3d1255dfdafc45b67615a7cd2a42183821c50bc00a [INFO] running `"docker" "start" "-a" "09f9f27d90a113c449479b3d1255dfdafc45b67615a7cd2a42183821c50bc00a"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/constrained-f673bb7e89917f6f [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test it_works ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- it_works stdout ---- [INFO] [stdout] Searching for a feasible point... [INFO] [stdout] Searching for an optimal solution... [INFO] [stdout] A (local) optimal solution has been found in 14 iterations. [INFO] [stdout] x: [ [INFO] [stdout] 0.6666681581392429, [INFO] [stdout] 1.3333309470073, [INFO] [stdout] 0.0000008948534620913291, [INFO] [stdout] 0.000006264124645953821, [INFO] [stdout] 0.3333327367142182, [INFO] [stdout] ] [INFO] [stdout] result: -8.222216654167925 [INFO] [stdout] true result: -8.222222222222221 [INFO] [stdout] error: 0.0000006771957928473792 [INFO] [stdout] thread 'it_works' panicked at 'explicit panic', src/lib.rs:421:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55a0dba14a63 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stdout] 1: 0x55a0dba1034b - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x55a0dba13756 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] at src/libstd/panicking.rs:197 [INFO] [stdout] 3: 0x55a0dba1347e - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x55a0dba13e5f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x55a0db9f2b97 - std::panicking::begin_panic::h40f9d38e512d35db [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:408 [INFO] [stdout] 6: 0x55a0db966cd3 - constrained::it_works::h82faf814e03259fc [INFO] [stdout] at src/lib.rs:421 [INFO] [stdout] 7: 0x55a0db9662d9 - constrained::it_works::{{closure}}::ha62e3b0b042c0926 [INFO] [stdout] at src/lib.rs:394 [INFO] [stdout] 8: 0x55a0db9a4f3d - core::ops::function::FnOnce::call_once::ha4148a84d98f3d81 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 9: 0x55a0db9b958e - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 10: 0x55a0dba16c09 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 11: 0x55a0db9d3e87 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at src/libtest/lib.rs:1468 [INFO] [stdout] 12: 0x55a0db9ae8a4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 13: 0x55a0db9b2954 - std::panicking::try::do_call::h6f86e980b52f74d5 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293 [INFO] [stdout] 14: 0x55a0dba16c09 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 15: 0x55a0db9b2f61 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x55a0dba0804e - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 17: 0x55a0dba162ef - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 18: 0x7f39d8ebb4a3 - start_thread [INFO] [stdout] 19: 0x7f39d89e6d0e - __clone [INFO] [stdout] 20: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] it_works [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 '--lib' [INFO] running `"docker" "inspect" "09f9f27d90a113c449479b3d1255dfdafc45b67615a7cd2a42183821c50bc00a"` [INFO] running `"docker" "rm" "-f" "09f9f27d90a113c449479b3d1255dfdafc45b67615a7cd2a42183821c50bc00a"` [INFO] [stdout] 09f9f27d90a113c449479b3d1255dfdafc45b67615a7cd2a42183821c50bc00a