[INFO] crate greprs_test_5 0.1.3 is already in cache [INFO] extracting crate greprs_test_5 0.1.3 into work/ex/beta-1.37-6/sources/1.36.0/reg/greprs_test_5/0.1.3 [INFO] extracting crate greprs_test_5 0.1.3 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/greprs_test_5/0.1.3 [INFO] validating manifest of greprs_test_5-0.1.3 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 greprs_test_5-0.1.3 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 greprs_test_5-0.1.3 [INFO] finished frobbing greprs_test_5-0.1.3 [INFO] frobbed toml for greprs_test_5-0.1.3 written to work/ex/beta-1.37-6/sources/1.36.0/reg/greprs_test_5/0.1.3/Cargo.toml [INFO] started frobbing greprs_test_5-0.1.3 [INFO] finished frobbing greprs_test_5-0.1.3 [INFO] frobbed toml for greprs_test_5-0.1.3 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/greprs_test_5/0.1.3/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] 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 greprs_test_5-0.1.3 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-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/greprs_test_5/0.1.3:/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 7cb04f8385e59e4f186c8bca0f3fec1f21a24054d17d4745c084a614a1dcaa04 [INFO] running `"docker" "start" "-a" "7cb04f8385e59e4f186c8bca0f3fec1f21a24054d17d4745c084a614a1dcaa04"` [INFO] [stderr] Compiling greprs_test_5 v0.1.3 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `query` [INFO] [stderr] --> src/lib.rs:69:19 [INFO] [stderr] | [INFO] [stderr] 69 | pub fn search<'a>(query: &str, contents: &'a str) -> Vec<&'a str> { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_query` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `contents` [INFO] [stderr] --> src/lib.rs:69:32 [INFO] [stderr] | [INFO] [stderr] 69 | pub fn search<'a>(query: &str, contents: &'a str) -> Vec<&'a str> { [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_contents` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `search` [INFO] [stderr] --> src/lib.rs:73:6 [INFO] [stderr] | [INFO] [stderr] 73 | */ fn search<'a>(query: &str, contents: &'a str) -> Vec<&'a str> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.79s [INFO] running `"docker" "inspect" "7cb04f8385e59e4f186c8bca0f3fec1f21a24054d17d4745c084a614a1dcaa04"` [INFO] running `"docker" "rm" "-f" "7cb04f8385e59e4f186c8bca0f3fec1f21a24054d17d4745c084a614a1dcaa04"` [INFO] [stdout] 7cb04f8385e59e4f186c8bca0f3fec1f21a24054d17d4745c084a614a1dcaa04 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/greprs_test_5/0.1.3:/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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 61753ce396c0723b0e916c49dddacfff9098e7883b527e39a272dae59f1dd760 [INFO] running `"docker" "start" "-a" "61753ce396c0723b0e916c49dddacfff9098e7883b527e39a272dae59f1dd760"` [INFO] [stderr] Compiling greprs_test_5 v0.1.3 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `query` [INFO] [stderr] --> src/lib.rs:69:19 [INFO] [stderr] | [INFO] [stderr] 69 | pub fn search<'a>(query: &str, contents: &'a str) -> Vec<&'a str> { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_query` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `contents` [INFO] [stderr] --> src/lib.rs:69:32 [INFO] [stderr] | [INFO] [stderr] 69 | pub fn search<'a>(query: &str, contents: &'a str) -> Vec<&'a str> { [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_contents` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `search` [INFO] [stderr] --> src/lib.rs:73:6 [INFO] [stderr] | [INFO] [stderr] 73 | */ fn search<'a>(query: &str, contents: &'a str) -> Vec<&'a str> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `case_sensitive` [INFO] [stderr] --> src/lib.rs:114:5 [INFO] [stderr] | [INFO] [stderr] 114 | fn case_sensitive() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `case_insensitive` [INFO] [stderr] --> src/lib.rs:131:5 [INFO] [stderr] | [INFO] [stderr] 131 | fn case_insensitive() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.75s [INFO] running `"docker" "inspect" "61753ce396c0723b0e916c49dddacfff9098e7883b527e39a272dae59f1dd760"` [INFO] running `"docker" "rm" "-f" "61753ce396c0723b0e916c49dddacfff9098e7883b527e39a272dae59f1dd760"` [INFO] [stdout] 61753ce396c0723b0e916c49dddacfff9098e7883b527e39a272dae59f1dd760 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/greprs_test_5/0.1.3:/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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 25c4537b5a368f823c129a01de8a34259b677bbf3591756a1c96472b4c03173b [INFO] running `"docker" "start" "-a" "25c4537b5a368f823c129a01de8a34259b677bbf3591756a1c96472b4c03173b"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/greprs_test_5-cb125d5a2085950c [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test::one_result ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- test::one_result stdout ---- [INFO] [stdout] thread 'test::one_result' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `["safe, fast, productive."]`, [INFO] [stdout] right: `[]`', src/lib.rs:108:10 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55dfb42c9113 - 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: 0x55dfb42c4abb - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x55dfb42c7e56 - 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: 0x55dfb42c7b7e - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x55dfb42c855f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x55dfb42c80e1 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stdout] at src/libstd/panicking.rs:381 [INFO] [stdout] 6: 0x55dfb42c802e - std::panicking::begin_panic_fmt::he54eae869ed71eb1 [INFO] [stdout] at src/libstd/panicking.rs:336 [INFO] [stdout] 7: 0x55dfb427d814 - greprs_test_5::test::one_result::hb7b5db5f166a6d17 [INFO] [stdout] at src/lib.rs:108 [INFO] [stdout] 8: 0x55dfb427d5c9 - greprs_test_5::test::one_result::{{closure}}::h56a03f98f3bc7ed0 [INFO] [stdout] at src/lib.rs:101 [INFO] [stdout] 9: 0x55dfb427cb3d - core::ops::function::FnOnce::call_once::h4bd95b6a9240d93b [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 10: 0x55dfb42892be - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 11: 0x55dfb42cb279 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 12: 0x55dfb42a3bb7 - 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] 13: 0x55dfb427e5d4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 14: 0x55dfb4282684 - 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] 15: 0x55dfb42cb279 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 16: 0x55dfb4282c91 - 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] 17: 0x55dfb42bc89e - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 18: 0x55dfb42ca95f - 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] 19: 0x7f858ccd74a3 - start_thread [INFO] [stdout] 20: 0x7f858c802d0e - __clone [INFO] [stdout] 21: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] test::one_result [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" "25c4537b5a368f823c129a01de8a34259b677bbf3591756a1c96472b4c03173b"` [INFO] running `"docker" "rm" "-f" "25c4537b5a368f823c129a01de8a34259b677bbf3591756a1c96472b4c03173b"` [INFO] [stdout] 25c4537b5a368f823c129a01de8a34259b677bbf3591756a1c96472b4c03173b