[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-1.37-6/sources/1.36.0/gh/Soya-Onishi/minigrep"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Soya-Onishi/minigrep'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Soya-Onishi/minigrep" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Soya-Onishi/minigrep"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Soya-Onishi/minigrep 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 Soya-Onishi/minigrep [INFO] finished frobbing Soya-Onishi/minigrep [INFO] frobbed toml for Soya-Onishi/minigrep written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "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 Soya-Onishi/minigrep 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-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 2cedab6911b4d2a24c2d343be52641e9351fa2418f4f4182af6801d58e20ee51 [INFO] running `"docker" "start" "-a" "2cedab6911b4d2a24c2d343be52641e9351fa2418f4f4182af6801d58e20ee51"` [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 0.70s [INFO] running `"docker" "inspect" "2cedab6911b4d2a24c2d343be52641e9351fa2418f4f4182af6801d58e20ee51"` [INFO] running `"docker" "rm" "-f" "2cedab6911b4d2a24c2d343be52641e9351fa2418f4f4182af6801d58e20ee51"` [INFO] [stdout] 2cedab6911b4d2a24c2d343be52641e9351fa2418f4f4182af6801d58e20ee51 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 374ab4822f1702f8f3eb3d27dbce8e5c43cc218ab1f399dd5d602c9a36588d1f [INFO] running `"docker" "start" "-a" "374ab4822f1702f8f3eb3d27dbce8e5c43cc218ab1f399dd5d602c9a36588d1f"` [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 0.91s [INFO] running `"docker" "inspect" "374ab4822f1702f8f3eb3d27dbce8e5c43cc218ab1f399dd5d602c9a36588d1f"` [INFO] running `"docker" "rm" "-f" "374ab4822f1702f8f3eb3d27dbce8e5c43cc218ab1f399dd5d602c9a36588d1f"` [INFO] [stdout] 374ab4822f1702f8f3eb3d27dbce8e5c43cc218ab1f399dd5d602c9a36588d1f [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 878aa139515c426e418c2d1220d3c59c9043d2221dfaefbb20d3171e3cd36f8e [INFO] running `"docker" "start" "-a" "878aa139515c426e418c2d1220d3c59c9043d2221dfaefbb20d3171e3cd36f8e"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/minigrep-ff177ee8f5f85702 [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: 0x5651ddf30fa3 - 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: 0x5651ddf2c94b - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x5651ddf2fce6 - 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: 0x5651ddf2fa0e - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x5651ddf303ef - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x5651ddf2ff71 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stdout] at src/libstd/panicking.rs:381 [INFO] [stdout] 6: 0x5651ddf2febe - std::panicking::begin_panic_fmt::he54eae869ed71eb1 [INFO] [stdout] at src/libstd/panicking.rs:336 [INFO] [stdout] 7: 0x5651ddee5784 - minigrep::tests::one_result::h83306c8418b7db8e [INFO] [stdout] at src/lib.rs:45 [INFO] [stdout] 8: 0x5651ddee5539 - minigrep::tests::one_result::{{closure}}::hce5ad9b739ca35f2 [INFO] [stdout] at src/lib.rs:38 [INFO] [stdout] 9: 0x5651ddee4a0d - core::ops::function::FnOnce::call_once::h5dfd910d730dae91 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 10: 0x5651ddef114e - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 11: 0x5651ddf33109 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 12: 0x5651ddf0ba47 - 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: 0x5651ddee6464 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 14: 0x5651ddeea514 - 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: 0x5651ddf33109 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 16: 0x5651ddeeab21 - 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: 0x5651ddf2472e - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 18: 0x5651ddf327ef - 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: 0x7fa8cbd0d4a3 - start_thread [INFO] [stdout] 20: 0x7fa8cb838d0e - __clone [INFO] [stdout] 21: 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" "878aa139515c426e418c2d1220d3c59c9043d2221dfaefbb20d3171e3cd36f8e"` [INFO] running `"docker" "rm" "-f" "878aa139515c426e418c2d1220d3c59c9043d2221dfaefbb20d3171e3cd36f8e"` [INFO] [stdout] 878aa139515c426e418c2d1220d3c59c9043d2221dfaefbb20d3171e3cd36f8e