[INFO] crate ioc 0.6.2 is already in cache [INFO] extracting crate ioc 0.6.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/ioc/0.6.2 [INFO] extracting crate ioc 0.6.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ioc/0.6.2 [INFO] validating manifest of ioc-0.6.2 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 ioc-0.6.2 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 ioc-0.6.2 [INFO] finished frobbing ioc-0.6.2 [INFO] frobbed toml for ioc-0.6.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/ioc/0.6.2/Cargo.toml [INFO] started frobbing ioc-0.6.2 [INFO] finished frobbing ioc-0.6.2 [INFO] frobbed toml for ioc-0.6.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ioc/0.6.2/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 ioc-0.6.2 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/ioc/0.6.2:/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] 75854fb3dd0850975da6ebf8919acf7b93597486ea61431b45ba16e9ddcf8cf7 [INFO] running `"docker" "start" "-a" "75854fb3dd0850975da6ebf8919acf7b93597486ea61431b45ba16e9ddcf8cf7"` [INFO] [stderr] Compiling downcast v0.6.0 [INFO] [stderr] Compiling ioc v0.6.2 (/opt/crater/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `TryLockError` [INFO] [stderr] --> src/container.rs:9:17 [INFO] [stderr] | [INFO] [stderr] 9 | use std::sync::{TryLockError, Mutex, RwLock, RwLockReadGuard, RwLockWriteGuard}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases [INFO] [stderr] --> src/container.rs:18:33 [INFO] [stderr] | [INFO] [stderr] 18 | pub type ReadGuard<'a, T, Base: ?Sized> = downcast::Guard>>; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(type_alias_bounds)] on by default [INFO] [stderr] = help: the bound will not be checked when the type alias is used, and should be removed [INFO] [stderr] [INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases [INFO] [stderr] --> src/container.rs:19:34 [INFO] [stderr] | [INFO] [stderr] 19 | pub type WriteGuard<'a, T, Base: ?Sized> = downcast::Guard>>; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: the bound will not be checked when the type alias is used, and should be removed [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.95s [INFO] running `"docker" "inspect" "75854fb3dd0850975da6ebf8919acf7b93597486ea61431b45ba16e9ddcf8cf7"` [INFO] running `"docker" "rm" "-f" "75854fb3dd0850975da6ebf8919acf7b93597486ea61431b45ba16e9ddcf8cf7"` [INFO] [stdout] 75854fb3dd0850975da6ebf8919acf7b93597486ea61431b45ba16e9ddcf8cf7 [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/ioc/0.6.2:/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] 0336950837c6b786456f85ea97deca6b46823724caf68649c119725717539a08 [INFO] running `"docker" "start" "-a" "0336950837c6b786456f85ea97deca6b46823724caf68649c119725717539a08"` [INFO] [stderr] Compiling ioc v0.6.2 (/opt/crater/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `TryLockError` [INFO] [stderr] --> src/container.rs:9:17 [INFO] [stderr] | [INFO] [stderr] 9 | use std::sync::{TryLockError, Mutex, RwLock, RwLockReadGuard, RwLockWriteGuard}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases [INFO] [stderr] --> src/container.rs:18:33 [INFO] [stderr] | [INFO] [stderr] 18 | pub type ReadGuard<'a, T, Base: ?Sized> = downcast::Guard>>; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(type_alias_bounds)] on by default [INFO] [stderr] = help: the bound will not be checked when the type alias is used, and should be removed [INFO] [stderr] [INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases [INFO] [stderr] --> src/container.rs:19:34 [INFO] [stderr] | [INFO] [stderr] 19 | pub type WriteGuard<'a, T, Base: ?Sized> = downcast::Guard>>; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: the bound will not be checked when the type alias is used, and should be removed [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.47s [INFO] running `"docker" "inspect" "0336950837c6b786456f85ea97deca6b46823724caf68649c119725717539a08"` [INFO] running `"docker" "rm" "-f" "0336950837c6b786456f85ea97deca6b46823724caf68649c119725717539a08"` [INFO] [stdout] 0336950837c6b786456f85ea97deca6b46823724caf68649c119725717539a08 [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/ioc/0.6.2:/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] 0a8fe3c3d2f1da302617ecd63d9d2d2ff82209c3f44ec12e0d7ae3c30748bd6e [INFO] running `"docker" "start" "-a" "0a8fe3c3d2f1da302617ecd63d9d2d2ff82209c3f44ec12e0d7ae3c30748bd6e"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/ioc-a1c466086291db97 [INFO] [stderr] Doc-tests ioc [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] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/errors.rs - errors::or_err (line 93) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/errors.rs - errors::or_err (line 93) stdout ---- [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Svc` [INFO] [stdout] --> src/errors.rs:99:32 [INFO] [stdout] | [INFO] [stdout] 9 | let foo = try!{ioc::or_err(Svc::key(), lock.read())}.do_something(); [INFO] [stdout] | ^^^ use of undeclared type or module `Svc` [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `RwLock` in this scope [INFO] [stdout] --> src/errors.rs:94:21 [INFO] [stdout] | [INFO] [stdout] 4 | fn foo<'a>(bar: &'a RwLock) -> Result> { [INFO] [stdout] | ^^^^^^ not found in this scope [INFO] [stdout] help: possible candidate is found in another module, you can import it into scope [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::RwLock; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `Svc` in this scope [INFO] [stdout] --> src/errors.rs:94:28 [INFO] [stdout] | [INFO] [stdout] 4 | fn foo<'a>(bar: &'a RwLock) -> Result> { [INFO] [stdout] | ^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `Foo` in this scope [INFO] [stdout] --> src/errors.rs:94:44 [INFO] [stdout] | [INFO] [stdout] 4 | fn foo<'a>(bar: &'a RwLock) -> Result> { [INFO] [stdout] | ^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `Key` in this scope [INFO] [stdout] --> src/errors.rs:94:64 [INFO] [stdout] | [INFO] [stdout] 4 | fn foo<'a>(bar: &'a RwLock) -> Result> { [INFO] [stdout] | ^^^ not found in this scope [INFO] [stdout] help: possible candidate is found in another module, you can import it into scope [INFO] [stdout] | [INFO] [stdout] 3 | use ioc::Key; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `lock` in this scope [INFO] [stdout] --> src/errors.rs:96:20 [INFO] [stdout] | [INFO] [stdout] 6 | let foo = try!{lock.read()}.do_something(); [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `lock` in this scope [INFO] [stdout] --> src/errors.rs:99:44 [INFO] [stdout] | [INFO] [stdout] 9 | let foo = try!{ioc::or_err(Svc::key(), lock.read())}.do_something(); [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error: aborting due to 7 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0433. [INFO] [stdout] For more information about an error, try `rustc --explain E0412`. [INFO] [stdout] thread 'src/errors.rs - errors::or_err (line 93)' panicked at 'couldn't compile the test', src/librustdoc/test.rs:319:13 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x7f852bf3d823 - 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: 0x7f852bf354cb - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x7f852bf39a56 - 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: 0x7f852bf3977e - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x7f852bf3a15f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x560a74bb8784 - std::panicking::begin_panic::h2203228e86eb91b5 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:408 [INFO] [stdout] 6: 0x560a74bae68f - rustdoc::test::run_test::h29a20600da33f74f [INFO] [stdout] at src/librustdoc/test.rs:319 [INFO] [stdout] 7: 0x560a74ba27c9 - 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: 0x7f852d4c0b7e - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 9: 0x7f852d4c0b7e - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 10: 0x7f852bf4b169 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 11: 0x7f852d4dbf87 - 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: 0x7f852d4b59a4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 13: 0x7f852d4b9a54 - 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: 0x7f852bf4b169 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 15: 0x7f852d4ba551 - 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: 0x7f852bf1c36e - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 17: 0x7f852bf49ddf - 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: 0x7f852bab34a3 - start_thread [INFO] [stdout] 19: 0x7f852b5ded0e - __clone [INFO] [stdout] 20: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/errors.rs - errors::or_err (line 93) [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" "0a8fe3c3d2f1da302617ecd63d9d2d2ff82209c3f44ec12e0d7ae3c30748bd6e"` [INFO] running `"docker" "rm" "-f" "0a8fe3c3d2f1da302617ecd63d9d2d2ff82209c3f44ec12e0d7ae3c30748bd6e"` [INFO] [stdout] 0a8fe3c3d2f1da302617ecd63d9d2d2ff82209c3f44ec12e0d7ae3c30748bd6e