[INFO] crate folda 0.0.1 is already in cache
[INFO] testing folda-0.0.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate folda 0.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate folda 0.0.1 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate folda 0.0.1
[INFO] finished tweaking crates.io crate folda 0.0.1
[INFO] tweaked toml for crates.io crate folda 0.0.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2597065b0f199566b257154901d3657a427d9885e7aec93f97c29a669844b55f
[INFO] running `"docker" "start" "-a" "2597065b0f199566b257154901d3657a427d9885e7aec93f97c29a669844b55f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling display_derive v0.0.0
[INFO] [stderr]    Compiling folda v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/lib.rs:282:9
[INFO] [stderr]     |
[INFO] [stderr] 282 |         mem::replace(retrived_mark, State::InStore(Rc::new(value)));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.29s
[INFO] running `"docker" "inspect" "2597065b0f199566b257154901d3657a427d9885e7aec93f97c29a669844b55f"`
[INFO] running `"docker" "rm" "-f" "2597065b0f199566b257154901d3657a427d9885e7aec93f97c29a669844b55f"`
[INFO] [stdout] 2597065b0f199566b257154901d3657a427d9885e7aec93f97c29a669844b55f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cf2b3cd74c5f192640b46eaf1930acbf6b2126f219dadca0933a94d4594a181a
[INFO] running `"docker" "start" "-a" "cf2b3cd74c5f192640b46eaf1930acbf6b2126f219dadca0933a94d4594a181a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling folda v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/lib.rs:282:9
[INFO] [stderr]     |
[INFO] [stderr] 282 |         mem::replace(retrived_mark, State::InStore(Rc::new(value)));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rod`
[INFO] [stderr]  --> tests/store.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rod::*;
[INFO] [stderr]   |     ^^^ use of undeclared type or module `rod`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Store`
[INFO] [stderr]   --> tests/store.rs:23:17
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let store = Store::new();
[INFO] [stderr]    |                 ^^^^^ use of undeclared type or module `Store`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `StoreError`
[INFO] [stderr]   --> tests/store.rs:34:28
[INFO] [stderr]    |
[INFO] [stderr] 34 |         mem::discriminant(&StoreError::Existing),
[INFO] [stderr]    |                            ^^^^^^^^^^ use of undeclared type or module `StoreError`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Store`
[INFO] [stderr]   --> tests/store.rs:45:17
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let store = Store::new();
[INFO] [stderr]    |                 ^^^^^ use of undeclared type or module `Store`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `LockError`
[INFO] [stderr]   --> tests/store.rs:64:28
[INFO] [stderr]    |
[INFO] [stderr] 64 |         mem::discriminant(&LockError::Locked),
[INFO] [stderr]    |                            ^^^^^^^^^ use of undeclared type or module `LockError`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Store`
[INFO] [stderr]   --> tests/store.rs:80:17
[INFO] [stderr]    |
[INFO] [stderr] 80 |     let store = Store::new();
[INFO] [stderr]    |                 ^^^^^ use of undeclared type or module `Store`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Store`
[INFO] [stderr]    --> tests/store.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 |     let store = Store::new();
[INFO] [stderr]     |                 ^^^^^ use of undeclared type or module `Store`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `LockError`
[INFO] [stderr]    --> tests/store.rs:114:28
[INFO] [stderr]     |
[INFO] [stderr] 114 |         mem::discriminant(&LockError::Borrowed),
[INFO] [stderr]     |                            ^^^^^^^^^ use of undeclared type or module `LockError`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `BorrowError`
[INFO] [stderr]    --> tests/store.rs:124:28
[INFO] [stderr]     |
[INFO] [stderr] 124 |         mem::discriminant(&BorrowError::Locked),
[INFO] [stderr]     |                            ^^^^^^^^^^^ use of undeclared type or module `BorrowError`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 9 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/lib.rs:282:9
[INFO] [stderr]     |
[INFO] [stderr] 282 |         mem::replace(retrived_mark, State::InStore(Rc::new(value)));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `folda`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "cf2b3cd74c5f192640b46eaf1930acbf6b2126f219dadca0933a94d4594a181a"`
[INFO] running `"docker" "rm" "-f" "cf2b3cd74c5f192640b46eaf1930acbf6b2126f219dadca0933a94d4594a181a"`
[INFO] [stdout] cf2b3cd74c5f192640b46eaf1930acbf6b2126f219dadca0933a94d4594a181a