[INFO] updating cached repository Soya-Onishi/minigrep [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Soya-Onishi/minigrep [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Soya-Onishi/minigrep" "work/ex/beta-1.38-1/sources/1.37.0/gh/Soya-Onishi/minigrep"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Soya-Onishi/minigrep'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Soya-Onishi/minigrep" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Soya-Onishi/minigrep"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Soya-Onishi/minigrep'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 13806c87aa41e3abb8da7c16f70f26d4a75d4b5c [INFO] sha for GitHub repo Soya-Onishi/minigrep: 13806c87aa41e3abb8da7c16f70f26d4a75d4b5c [INFO] validating manifest of Soya-Onishi/minigrep 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 Soya-Onishi/minigrep 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 Soya-Onishi/minigrep [INFO] finished frobbing Soya-Onishi/minigrep [INFO] frobbed toml for Soya-Onishi/minigrep written to work/ex/beta-1.38-1/sources/1.37.0/gh/Soya-Onishi/minigrep/Cargo.toml [INFO] started frobbing Soya-Onishi/minigrep [INFO] finished frobbing Soya-Onishi/minigrep [INFO] frobbed toml for Soya-Onishi/minigrep written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Soya-Onishi/minigrep/Cargo.toml [INFO] crate Soya-Onishi/minigrep already has a lockfile, it will not be regenerated [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 Soya-Onishi/minigrep 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Soya-Onishi/minigrep:/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] fc7cd2e5092ec7b5c5abd6519702ebc70422f60156b86198242ded574a5799fa [INFO] running `"docker" "start" "-a" "fc7cd2e5092ec7b5c5abd6519702ebc70422f60156b86198242ded574a5799fa"` [INFO] [stderr] Compiling minigrep v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `query` [INFO] [stderr] --> src/lib.rs:29:19 [INFO] [stderr] | [INFO] [stderr] 29 | 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:29:32 [INFO] [stderr] | [INFO] [stderr] 29 | 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: unused import: `std::fs` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.83s [INFO] running `"docker" "inspect" "fc7cd2e5092ec7b5c5abd6519702ebc70422f60156b86198242ded574a5799fa"` [INFO] running `"docker" "rm" "-f" "fc7cd2e5092ec7b5c5abd6519702ebc70422f60156b86198242ded574a5799fa"` [INFO] [stdout] fc7cd2e5092ec7b5c5abd6519702ebc70422f60156b86198242ded574a5799fa [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Soya-Onishi/minigrep:/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] 34c818e6db6b13a22afd08a70f6e259b40b64c8775cea2d7604bd9cc10bfaeb3 [INFO] running `"docker" "start" "-a" "34c818e6db6b13a22afd08a70f6e259b40b64c8775cea2d7604bd9cc10bfaeb3"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling minigrep v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `query` [INFO] [stderr] --> src/lib.rs:29:19 [INFO] [stderr] | [INFO] [stderr] 29 | 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:29:32 [INFO] [stderr] | [INFO] [stderr] 29 | 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] Finished dev [unoptimized + debuginfo] target(s) in 0.68s [INFO] running `"docker" "inspect" "34c818e6db6b13a22afd08a70f6e259b40b64c8775cea2d7604bd9cc10bfaeb3"` [INFO] running `"docker" "rm" "-f" "34c818e6db6b13a22afd08a70f6e259b40b64c8775cea2d7604bd9cc10bfaeb3"` [INFO] [stdout] 34c818e6db6b13a22afd08a70f6e259b40b64c8775cea2d7604bd9cc10bfaeb3 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Soya-Onishi/minigrep:/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] 29fc2d5af276b0b47f0d3e0b2cde32eff805da4ede2990c1259f2cebfcb73a81 [INFO] running `"docker" "start" "-a" "29fc2d5af276b0b47f0d3e0b2cde32eff805da4ede2990c1259f2cebfcb73a81"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/minigrep-f788900508bc8193 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::one_result ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::one_result stdout ---- [INFO] [stdout] thread 'tests::one_result' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `["safe, fast, pruductive"]`, [INFO] [stdout] right: `[]`', src/lib.rs:45:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x558c71922c6b - 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: 0x558c71922c6b - 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: 0x558c71922c6b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x558c71922c6b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x558c71922c6b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x558c719228da - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x558c719233e0 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x558c71922f62 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x558c71922eaf - std::panicking::begin_panic_fmt::ha6acf0ffd6d7f80d [INFO] [stdout] at src/libstd/panicking.rs:339 [INFO] [stdout] 9: 0x558c718d9f64 - minigrep::tests::one_result::h4cd985ad77cb8c2d [INFO] [stdout] at src/lib.rs:45 [INFO] [stdout] 10: 0x558c718d9d0a - minigrep::tests::one_result::{{closure}}::h75ede14471f974b7 [INFO] [stdout] at src/lib.rs:38 [INFO] [stdout] 11: 0x558c718d902e - core::ops::function::FnOnce::call_once::hececb944b243fc5c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x558c718e591f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: 0x558c7192595a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x558c718fff18 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x558c718fff18 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x558c718fff18 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 17: 0x558c718dad95 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 18: 0x558c718dee55 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 19: 0x558c718dee55 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 20: 0x558c718dee55 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 21: 0x558c7192595a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 22: 0x558c718df552 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 23: 0x558c718df552 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 24: 0x558c718df552 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 25: 0x558c718df552 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 26: 0x558c71918a7f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 27: 0x558c719250b0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 28: 0x558c719250b0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 29: 0x558c719250b0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 30: 0x7f17210704a4 - start_thread [INFO] [stdout] 31: 0x7f1720b9bd0f - __clone [INFO] [stdout] 32: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::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" "29fc2d5af276b0b47f0d3e0b2cde32eff805da4ede2990c1259f2cebfcb73a81"` [INFO] running `"docker" "rm" "-f" "29fc2d5af276b0b47f0d3e0b2cde32eff805da4ede2990c1259f2cebfcb73a81"` [INFO] [stdout] 29fc2d5af276b0b47f0d3e0b2cde32eff805da4ede2990c1259f2cebfcb73a81