[INFO] fetching crate folda 0.0.1...
[INFO] checking folda-0.0.1 against beta for pr-78714
[INFO] extracting crate folda 0.0.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate folda 0.0.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 76374e4128693b4eea9929e24a35b08755d209ed1b50035e05e6736f2004c73e
[INFO] running `Command { std: "docker" "start" "-a" "76374e4128693b4eea9929e24a35b08755d209ed1b50035e05e6736f2004c73e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76374e4128693b4eea9929e24a35b08755d209ed1b50035e05e6736f2004c73e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76374e4128693b4eea9929e24a35b08755d209ed1b50035e05e6736f2004c73e", kill_on_drop: false }`
[INFO] [stdout] 76374e4128693b4eea9929e24a35b08755d209ed1b50035e05e6736f2004c73e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4f244b9abe512aef66c6b5ab9f626b70f01521819d66849ff9f1f04bdbcd1eb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d4f244b9abe512aef66c6b5ab9f626b70f01521819d66849ff9f1f04bdbcd1eb", kill_on_drop: false }`
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling display_derive v0.0.0
[INFO] [stderr]     Checking folda v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/lib.rs:282:9
[INFO] [stdout]     |
[INFO] [stdout] 282 |         mem::replace(retrived_mark, State::InStore(Rc::new(value)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/lib.rs:282:9
[INFO] [stdout]     |
[INFO] [stdout] 282 |         mem::replace(retrived_mark, State::InStore(Rc::new(value)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rod`
[INFO] [stdout]  --> tests/store.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rod::*;
[INFO] [stdout]   |     ^^^ use of undeclared crate or module `rod`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `StoreError`
[INFO] [stdout]   --> tests/store.rs:34:28
[INFO] [stdout]    |
[INFO] [stdout] 34 |         mem::discriminant(&StoreError::Existing),
[INFO] [stdout]    |                            ^^^^^^^^^^ use of undeclared type `StoreError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LockError`
[INFO] [stdout]   --> tests/store.rs:64:28
[INFO] [stdout]    |
[INFO] [stdout] 64 |         mem::discriminant(&LockError::Locked),
[INFO] [stdout]    |                            ^^^^^^^^^ use of undeclared type `LockError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LockError`
[INFO] [stdout]    --> tests/store.rs:114:28
[INFO] [stdout]     |
[INFO] [stdout] 114 |         mem::discriminant(&LockError::Borrowed),
[INFO] [stdout]     |                            ^^^^^^^^^ use of undeclared type `LockError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `BorrowError`
[INFO] [stdout]    --> tests/store.rs:124:28
[INFO] [stdout]     |
[INFO] [stdout] 124 |         mem::discriminant(&BorrowError::Locked),
[INFO] [stdout]     |                            ^^^^^^^^^^^ use of undeclared type `BorrowError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Store`
[INFO] [stdout]   --> tests/store.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let store = Store::new();
[INFO] [stdout]    |                 ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  | use folda::Store;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Store`
[INFO] [stdout]   --> tests/store.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let store = Store::new();
[INFO] [stdout]    |                 ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  | use folda::Store;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Store`
[INFO] [stdout]   --> tests/store.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let store = Store::new();
[INFO] [stdout]    |                 ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  | use folda::Store;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Store`
[INFO] [stdout]    --> tests/store.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |     let store = Store::new();
[INFO] [stdout]     |                 ^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 1   | use folda::Store;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `folda`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "d4f244b9abe512aef66c6b5ab9f626b70f01521819d66849ff9f1f04bdbcd1eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4f244b9abe512aef66c6b5ab9f626b70f01521819d66849ff9f1f04bdbcd1eb", kill_on_drop: false }`
[INFO] [stdout] d4f244b9abe512aef66c6b5ab9f626b70f01521819d66849ff9f1f04bdbcd1eb