[INFO] crate serde_dbor 1.0.2 is already in cache [INFO] extracting crate serde_dbor 1.0.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/serde_dbor/1.0.2 [INFO] extracting crate serde_dbor 1.0.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/serde_dbor/1.0.2 [INFO] validating manifest of serde_dbor-1.0.2 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 serde_dbor-1.0.2 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 serde_dbor-1.0.2 [INFO] finished frobbing serde_dbor-1.0.2 [INFO] frobbed toml for serde_dbor-1.0.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/serde_dbor/1.0.2/Cargo.toml [INFO] started frobbing serde_dbor-1.0.2 [INFO] finished frobbing serde_dbor-1.0.2 [INFO] frobbed toml for serde_dbor-1.0.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/serde_dbor/1.0.2/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 serde_dbor-1.0.2 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/serde_dbor/1.0.2:/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] 9146d99b6b6147f212cfd5cc80fb5fee35cf4e91385557e1b97b6be7fafc2be4 [INFO] running `"docker" "start" "-a" "9146d99b6b6147f212cfd5cc80fb5fee35cf4e91385557e1b97b6be7fafc2be4"` [INFO] [stderr] Compiling serde_dbor v1.0.2 (/opt/crater/workdir) [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/ser/mod.rs:87:38 [INFO] [stderr] | [INFO] [stderr] 87 | -0x80...-8 | 16...0x7f | _ => { [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unreachable_patterns)] on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/ser/mod.rs:107:47 [INFO] [stderr] | [INFO] [stderr] 107 | -0x8000...-0x81 | 0x80...0x7fff | _ => { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/ser/mod.rs:135:59 [INFO] [stderr] | [INFO] [stderr] 135 | -0x80000000...-0x8001 | 0x8000...0x7fffffff | _ => { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/ser/mod.rs:170:83 [INFO] [stderr] | [INFO] [stderr] 170 | -0x8000000000000000...-0x80000001 | 0x80000000...0x7fffffffffffffff | _ => { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/ser/mod.rs:184:25 [INFO] [stderr] | [INFO] [stderr] 184 | 24...0xff | _ => { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/ser/mod.rs:199:30 [INFO] [stderr] | [INFO] [stderr] 199 | 0x100...0xffff | _ => { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/ser/mod.rs:224:36 [INFO] [stderr] | [INFO] [stderr] 224 | 0x10000...0xffffffff | _ => { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/ser/mod.rs:256:48 [INFO] [stderr] | [INFO] [stderr] 256 | 0x100000000...0xffffffffffffffff | _ => { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/ser/mod.rs:401:36 [INFO] [stderr] | [INFO] [stderr] 401 | 0x10000...0xffffffff | _ => { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/ser/mod.rs:487:36 [INFO] [stderr] | [INFO] [stderr] 487 | 0x10000...0xffffffff | _ => { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/ser/mod.rs:602:36 [INFO] [stderr] | [INFO] [stderr] 602 | 0x10000...0xffffffff | _ => { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.32s [INFO] running `"docker" "inspect" "9146d99b6b6147f212cfd5cc80fb5fee35cf4e91385557e1b97b6be7fafc2be4"` [INFO] running `"docker" "rm" "-f" "9146d99b6b6147f212cfd5cc80fb5fee35cf4e91385557e1b97b6be7fafc2be4"` [INFO] [stdout] 9146d99b6b6147f212cfd5cc80fb5fee35cf4e91385557e1b97b6be7fafc2be4 [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/serde_dbor/1.0.2:/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] 206b778804a1fd93887bee5bb8232355807072ca3e9b48f69a71e1a8d6eed747 [INFO] running `"docker" "start" "-a" "206b778804a1fd93887bee5bb8232355807072ca3e9b48f69a71e1a8d6eed747"` [INFO] [stderr] Compiling serde_dbor v1.0.2 (/opt/crater/workdir) [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/ser/mod.rs:87:38 [INFO] [stderr] | [INFO] [stderr] 87 | -0x80...-8 | 16...0x7f | _ => { [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unreachable_patterns)] on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/ser/mod.rs:107:47 [INFO] [stderr] | [INFO] [stderr] 107 | -0x8000...-0x81 | 0x80...0x7fff | _ => { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/ser/mod.rs:135:59 [INFO] [stderr] | [INFO] [stderr] 135 | -0x80000000...-0x8001 | 0x8000...0x7fffffff | _ => { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/ser/mod.rs:170:83 [INFO] [stderr] | [INFO] [stderr] 170 | -0x8000000000000000...-0x80000001 | 0x80000000...0x7fffffffffffffff | _ => { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/ser/mod.rs:184:25 [INFO] [stderr] | [INFO] [stderr] 184 | 24...0xff | _ => { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/ser/mod.rs:199:30 [INFO] [stderr] | [INFO] [stderr] 199 | 0x100...0xffff | _ => { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/ser/mod.rs:224:36 [INFO] [stderr] | [INFO] [stderr] 224 | 0x10000...0xffffffff | _ => { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/ser/mod.rs:256:48 [INFO] [stderr] | [INFO] [stderr] 256 | 0x100000000...0xffffffffffffffff | _ => { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/ser/mod.rs:401:36 [INFO] [stderr] | [INFO] [stderr] 401 | 0x10000...0xffffffff | _ => { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/ser/mod.rs:487:36 [INFO] [stderr] | [INFO] [stderr] 487 | 0x10000...0xffffffff | _ => { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/ser/mod.rs:602:36 [INFO] [stderr] | [INFO] [stderr] 602 | 0x10000...0xffffffff | _ => { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.12s [INFO] running `"docker" "inspect" "206b778804a1fd93887bee5bb8232355807072ca3e9b48f69a71e1a8d6eed747"` [INFO] running `"docker" "rm" "-f" "206b778804a1fd93887bee5bb8232355807072ca3e9b48f69a71e1a8d6eed747"` [INFO] [stdout] 206b778804a1fd93887bee5bb8232355807072ca3e9b48f69a71e1a8d6eed747 [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/serde_dbor/1.0.2:/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] 225c02839a8f4535636264a320b956d4f21e627cdb92425bd98f4b443d91b91d [INFO] running `"docker" "start" "-a" "225c02839a8f4535636264a320b956d4f21e627cdb92425bd98f4b443d91b91d"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/serde_dbor-19f2ac1ab6cbbba2 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests serde_dbor [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 20) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 20) stdout ---- [INFO] [stdout] error: expected one of `->`, `where`, or `{`, found `=>` [INFO] [stdout] --> src/lib.rs:36:32 [INFO] [stdout] | [INFO] [stdout] 18 | fn example<'a>(data: &'a [u8]) => Result<(), Error> { [INFO] [stdout] | ^^ expected one of `->`, `where`, or `{` here [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `serde_derive` [INFO] [stdout] --> src/lib.rs:25:1 [INFO] [stdout] | [INFO] [stdout] 7 | extern crate serde_derive; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] thread 'src/lib.rs - (line 20)' panicked at 'couldn't compile the test', src/librustdoc/test.rs:319:13 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x7f9670676823 - 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: 0x7f967066e4cb - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x7f9670672a56 - 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: 0x7f967067277e - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x7f967067315f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x561d6fdf8784 - std::panicking::begin_panic::h2203228e86eb91b5 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:408 [INFO] [stdout] 6: 0x561d6fdee68f - rustdoc::test::run_test::h29a20600da33f74f [INFO] [stdout] at src/librustdoc/test.rs:319 [INFO] [stdout] 7: 0x561d6fde27c9 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h84ad3bdb52e265e9 [INFO] [stdout] at src/librustdoc/test.rs:715 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 8: 0x7f9671bf9b7e - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 9: 0x7f9671bf9b7e - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 10: 0x7f9670684169 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 11: 0x7f9671c14f87 - 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] 12: 0x7f9671bee9a4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 13: 0x7f9671bf2a54 - 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] 14: 0x7f9670684169 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 15: 0x7f9671bf3551 - 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] 16: 0x7f967065536e - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 17: 0x7f9670682ddf - 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] 18: 0x7f96701ec4a3 - start_thread [INFO] [stdout] 19: 0x7f966fd17d0e - __clone [INFO] [stdout] 20: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 20) [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 '--doc' [INFO] running `"docker" "inspect" "225c02839a8f4535636264a320b956d4f21e627cdb92425bd98f4b443d91b91d"` [INFO] running `"docker" "rm" "-f" "225c02839a8f4535636264a320b956d4f21e627cdb92425bd98f4b443d91b91d"` [INFO] [stdout] 225c02839a8f4535636264a320b956d4f21e627cdb92425bd98f4b443d91b91d