[INFO] crate installed-rs 0.1.2 is already in cache [INFO] extracting crate installed-rs 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/installed-rs/0.1.2 [INFO] extracting crate installed-rs 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/installed-rs/0.1.2 [INFO] validating manifest of installed-rs-0.1.2 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 installed-rs-0.1.2 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 installed-rs-0.1.2 [INFO] finished frobbing installed-rs-0.1.2 [INFO] frobbed toml for installed-rs-0.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/installed-rs/0.1.2/Cargo.toml [INFO] started frobbing installed-rs-0.1.2 [INFO] finished frobbing installed-rs-0.1.2 [INFO] frobbed toml for installed-rs-0.1.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/installed-rs/0.1.2/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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 installed-rs-0.1.2 against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/installed-rs/0.1.2:/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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 44171e8d77f9f378cf2943ca872f46f131805460d96b119c7a431d1dae208470 [INFO] running `"docker" "start" "-a" "44171e8d77f9f378cf2943ca872f46f131805460d96b119c7a431d1dae208470"` [INFO] [stderr] Compiling installed-rs v0.1.2 (/opt/crater/workdir) [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:62:23 [INFO] [stderr] | [INFO] [stderr] 62 | } else if (dep.0.to_string() == file && flag == false) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: structure field `devDependencies` should have a snake case name [INFO] [stderr] --> src/main.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | devDependencies: HashMap, [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `dev_dependencies` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:81:9 [INFO] [stderr] | [INFO] [stderr] 81 | file.read_to_string(&mut contents); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.06s [INFO] running `"docker" "inspect" "44171e8d77f9f378cf2943ca872f46f131805460d96b119c7a431d1dae208470"` [INFO] running `"docker" "rm" "-f" "44171e8d77f9f378cf2943ca872f46f131805460d96b119c7a431d1dae208470"` [INFO] [stdout] 44171e8d77f9f378cf2943ca872f46f131805460d96b119c7a431d1dae208470 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/installed-rs/0.1.2:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 3a79229b48f6a293efe563ab3fe070eadd295796b840dd851f194a8a83a0d77b [INFO] running `"docker" "start" "-a" "3a79229b48f6a293efe563ab3fe070eadd295796b840dd851f194a8a83a0d77b"` [INFO] [stderr] Compiling installed-rs v0.1.2 (/opt/crater/workdir) [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:62:23 [INFO] [stderr] | [INFO] [stderr] 62 | } else if (dep.0.to_string() == file && flag == false) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: structure field `devDependencies` should have a snake case name [INFO] [stderr] --> src/main.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | devDependencies: HashMap, [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `dev_dependencies` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:81:9 [INFO] [stderr] | [INFO] [stderr] 81 | file.read_to_string(&mut contents); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `"docker" "inspect" "3a79229b48f6a293efe563ab3fe070eadd295796b840dd851f194a8a83a0d77b"` [INFO] running `"docker" "rm" "-f" "3a79229b48f6a293efe563ab3fe070eadd295796b840dd851f194a8a83a0d77b"` [INFO] [stdout] 3a79229b48f6a293efe563ab3fe070eadd295796b840dd851f194a8a83a0d77b [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/installed-rs/0.1.2:/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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] 02bb34608c9cd0d5453d0c69fa744ad7548e0544dd8e5ba6c91802edd096e4ab [INFO] running `"docker" "start" "-a" "02bb34608c9cd0d5453d0c69fa744ad7548e0544dd8e5ba6c91802edd096e4ab"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/installed_rs-06007ead6706ac79 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_diff ... FAILED [INFO] [stderr] error: test failed, to rerun pass '--bin installed-rs' [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- test_diff stdout ---- [INFO] [stdout] thread 'test_diff' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/libcore/result.rs:1084:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55a90bed3a9b - backtrace::backtrace::libunwind::trace::h23ae608c8b906c69 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55a90bed3a9b - backtrace::backtrace::trace_unsynchronized::h65b3ea295a85fd48 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55a90bed3a9b - std::sys_common::backtrace::_print::h24f527b44b6cfc06 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55a90bed3a9b - std::sys_common::backtrace::print::h712608e4347fd64a [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55a90bed3a9b - std::panicking::default_hook::{{closure}}::h6c3d570c2b500048 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x55a90bed370c - std::panicking::default_hook::hb29963fb4747e0dd [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x55a90bed420d - std::panicking::rust_panic_with_hook::hd1236c3083de823a [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x55a90bed3d92 - std::panicking::continue_panic_fmt::he38ad41d6304a12c [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x55a90bed3c76 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x55a90beed41d - core::panicking::panic_fmt::h1bc6de43c92ad80c [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55a90beed517 - core::result::unwrap_failed::hd83f272814becce6 [INFO] [stdout] at src/libcore/result.rs:1084 [INFO] [stdout] 11: 0x55a90be6a9c0 - core::result::Result::unwrap::h12e4f95ac8de9810 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/result.rs:852 [INFO] [stdout] 12: 0x55a90be65e55 - installed_rs::Package::new::hfd061f6a96d85278 [INFO] [stdout] at src/main.rs:79 [INFO] [stdout] 13: 0x55a90be65017 - installed_rs::Package::diff::haafb0827e8cca9d3 [INFO] [stdout] at src/main.rs:28 [INFO] [stdout] 14: 0x55a90be67cfe - installed_rs::test_diff::h429258167334178c [INFO] [stdout] at src/main.rs:109 [INFO] [stdout] 15: 0x55a90be67cba - installed_rs::test_diff::{{closure}}::ha3f5d6322a79fca6 [INFO] [stdout] at src/main.rs:108 [INFO] [stdout] 16: 0x55a90be6b2fe - core::ops::function::FnOnce::call_once::h192cf1e672ca9c5c [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235 [INFO] [stdout] 17: 0x55a90be7b27f - as core::ops::function::FnOnce>::call_once::h355e655b04400826 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787 [INFO] [stdout] 18: 0x55a90bed6aea - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 19: 0x55a90be9586e - std::panicking::try::h5890cbed5d1d8df0 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275 [INFO] [stdout] 20: 0x55a90be9586e - std::panic::catch_unwind::hf93cc71fc6442fdf [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x55a90be9586e - test::run_test::run_test_inner::{{closure}}::ha399a28a3066698d [INFO] [stdout] at src/libtest/lib.rs:1408 [INFO] [stdout] 22: 0x55a90be70ca5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h089859c639046955 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 23: 0x55a90be74eb5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h8d489100862c3e01 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:470 [INFO] [stdout] 24: 0x55a90be74eb5 - as core::ops::function::FnOnce<()>>::call_once::h5746c9e2571824d0 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:315 [INFO] [stdout] 25: 0x55a90be74eb5 - std::panicking::try::do_call::hfd443b32b22f72a6 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:296 [INFO] [stdout] 26: 0x55a90bed6aea - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 27: 0x55a90be754b2 - std::panicking::try::h332f368ed7d9b7d1 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275 [INFO] [stdout] 28: 0x55a90be754b2 - std::panic::catch_unwind::h316b7be8b4198222 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394 [INFO] [stdout] 29: 0x55a90be754b2 - std::thread::Builder::spawn_unchecked::{{closure}}::h916aed08bc6e5276 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:469 [INFO] [stdout] 30: 0x55a90be754b2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9091646be5c55ea6 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235 [INFO] [stdout] 31: 0x55a90bec993f - as core::ops::function::FnOnce>::call_once::hb5396a93648ae250 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787 [INFO] [stdout] 32: 0x55a90bed6220 - as core::ops::function::FnOnce>::call_once::h92593001847bb63e [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787 [INFO] [stdout] 33: 0x55a90bed6220 - std::sys_common::thread::start_thread::h569f3ccc0d5dcd83 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 34: 0x55a90bed6220 - std::sys::unix::thread::Thread::new::thread_start::hd9ff46fad032d886 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 35: 0x7f127d7674a4 - start_thread [INFO] [stdout] 36: 0x7f127d292d0f - __clone [INFO] [stdout] 37: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] test_diff [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "02bb34608c9cd0d5453d0c69fa744ad7548e0544dd8e5ba6c91802edd096e4ab"` [INFO] running `"docker" "rm" "-f" "02bb34608c9cd0d5453d0c69fa744ad7548e0544dd8e5ba6c91802edd096e4ab"` [INFO] [stdout] 02bb34608c9cd0d5453d0c69fa744ad7548e0544dd8e5ba6c91802edd096e4ab