[INFO] crate cargo-version 0.1.2 is already in cache [INFO] extracting crate cargo-version 0.1.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/cargo-version/0.1.2 [INFO] extracting crate cargo-version 0.1.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cargo-version/0.1.2 [INFO] validating manifest of cargo-version-0.1.2 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 cargo-version-0.1.2 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 cargo-version-0.1.2 [INFO] finished frobbing cargo-version-0.1.2 [INFO] frobbed toml for cargo-version-0.1.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/cargo-version/0.1.2/Cargo.toml [INFO] started frobbing cargo-version-0.1.2 [INFO] finished frobbing cargo-version-0.1.2 [INFO] frobbed toml for cargo-version-0.1.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cargo-version/0.1.2/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 cargo-version-0.1.2 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/cargo-version/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 239b93547ece5fd1e619f46a4b0ba2fbb9d31beadf31a42a28e9e7930014efae [INFO] running `"docker" "start" "-a" "239b93547ece5fd1e619f46a4b0ba2fbb9d31beadf31a42a28e9e7930014efae"` [INFO] [stderr] Compiling cargo-version v0.1.2 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.76s [INFO] running `"docker" "inspect" "239b93547ece5fd1e619f46a4b0ba2fbb9d31beadf31a42a28e9e7930014efae"` [INFO] running `"docker" "rm" "-f" "239b93547ece5fd1e619f46a4b0ba2fbb9d31beadf31a42a28e9e7930014efae"` [INFO] [stdout] 239b93547ece5fd1e619f46a4b0ba2fbb9d31beadf31a42a28e9e7930014efae [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/cargo-version/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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 3d808e617a28dfc878119eb272b33d924d26ec56588add2a860b0ea30b46298b [INFO] running `"docker" "start" "-a" "3d808e617a28dfc878119eb272b33d924d26ec56588add2a860b0ea30b46298b"` [INFO] [stderr] Compiling cargo-version v0.1.2 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.34s [INFO] running `"docker" "inspect" "3d808e617a28dfc878119eb272b33d924d26ec56588add2a860b0ea30b46298b"` [INFO] running `"docker" "rm" "-f" "3d808e617a28dfc878119eb272b33d924d26ec56588add2a860b0ea30b46298b"` [INFO] [stdout] 3d808e617a28dfc878119eb272b33d924d26ec56588add2a860b0ea30b46298b [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/cargo-version/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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 3d4aa284631c75cdc842d546ca86d06b9c943b999c82a4a6c2001ff0846eec9f [INFO] running `"docker" "start" "-a" "3d4aa284631c75cdc842d546ca86d06b9c943b999c82a4a6c2001ff0846eec9f"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/cargo_version-f40443782aa848b3 [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test toml::tests::it_reads_version ... ok [INFO] [stdout] test derive_next_version::tests::it_derives_the_next_version ... ok [INFO] [stdout] test bump_level::tests::it_parses_specific_bumps ... ok [INFO] [stdout] test bump_level::tests::it_errors_on_garbage ... ok [INFO] [stdout] test bump_level::tests::it_parses_generic_bumps ... ok [INFO] [stdout] test toml::tests::it_writes_version ... FAILED [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- toml::tests::it_writes_version stdout ---- [INFO] [stdout] thread 'toml::tests::it_writes_version' panicked at 'called `Result::unwrap()` on an `Err` value: IoError(Os { code: 30, kind: Other, message: "Read-only file system" })', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5565a002cf83 - 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: 0x5565a00288bb - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x5565a002bcc6 - 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: 0x5565a002b9ee - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x5565a002c3cf - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x5565a002bf51 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stdout] at src/libstd/panicking.rs:381 [INFO] [stdout] 6: 0x5565a002be35 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:308 [INFO] [stdout] 7: 0x5565a003e39c - core::panicking::panic_fmt::hc4f83bfed80aeabd [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 8: 0x55659ffc5982 - core::result::unwrap_failed::h681e7ff2d83c9ec6 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18 [INFO] [stdout] 9: 0x55659ffc6306 - core::result::Result::unwrap::h941de9813d3332f8 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:800 [INFO] [stdout] 10: 0x55659ffc5114 - cargo_version::toml::tests::it_writes_version::h62f6d054cb6580c3 [INFO] [stdout] at src/toml.rs:97 [INFO] [stdout] 11: 0x55659ffc4e19 - cargo_version::toml::tests::it_writes_version::{{closure}}::h5580be7ca97ce534 [INFO] [stdout] at src/toml.rs:94 [INFO] [stdout] 12: 0x55659ffc270d - core::ops::function::FnOnce::call_once::hd25bf80ecfb59c66 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 13: 0x55659ffd580e - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 14: 0x5565a002f389 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 15: 0x55659fff0107 - 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] 16: 0x55659ffcab24 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 17: 0x55659ffcebd4 - 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] 18: 0x5565a002f389 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 19: 0x55659ffcf1e1 - 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] 20: 0x5565a002005e - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 21: 0x5565a002ea6f - 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] 22: 0x7f3d67dd94a3 - start_thread [INFO] [stdout] 23: 0x7f3d67904d0e - __clone [INFO] [stdout] 24: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] toml::tests::it_writes_version [INFO] [stdout] [INFO] [stdout] test result: FAILED. 5 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "3d4aa284631c75cdc842d546ca86d06b9c943b999c82a4a6c2001ff0846eec9f"` [INFO] running `"docker" "rm" "-f" "3d4aa284631c75cdc842d546ca86d06b9c943b999c82a4a6c2001ff0846eec9f"` [INFO] [stdout] 3d4aa284631c75cdc842d546ca86d06b9c943b999c82a4a6c2001ff0846eec9f