[INFO] fetching crate folda 0.0.1...
[INFO] checking folda-0.0.1 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate folda 0.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate folda 0.0.1 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding quote v0.3.15 (available: v1.0.37)
[INFO] [stderr]       Adding syn v0.11.11 (available: v2.0.77)
[INFO] [stderr]       Adding synstructure v0.6.1 (available: v0.13.1)
[INFO] [stderr]       Adding unicode-xid v0.0.4 (available: v0.2.6)
[INFO] [stderr]       Adding uuid v0.7.4 (available: v1.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded display_derive v0.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a1bf58eac185617f594fa47904d129e5cd2a627c5d7658bcc6f4fd24722834c
[INFO] running `Command { std: "docker" "start" "-a" "8a1bf58eac185617f594fa47904d129e5cd2a627c5d7658bcc6f4fd24722834c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a1bf58eac185617f594fa47904d129e5cd2a627c5d7658bcc6f4fd24722834c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a1bf58eac185617f594fa47904d129e5cd2a627c5d7658bcc6f4fd24722834c", kill_on_drop: false }`
[INFO] [stdout] 8a1bf58eac185617f594fa47904d129e5cd2a627c5d7658bcc6f4fd24722834c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20c76d2f78a6999eb21f0a3c29b5b1c082a1d1edef45ce3373920241a1b1638d
[INFO] running `Command { std: "docker" "start" "-a" "20c76d2f78a6999eb21f0a3c29b5b1c082a1d1edef45ce3373920241a1b1638d", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking 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]     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: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 282 |         let _ = mem::replace(retrived_mark, State::InStore(Rc::new(value)));
[INFO] [stdout]     |         +++++++
[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: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 282 |         let _ = mem::replace(retrived_mark, State::InStore(Rc::new(value)));
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[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: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `folda` (test "store") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "20c76d2f78a6999eb21f0a3c29b5b1c082a1d1edef45ce3373920241a1b1638d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20c76d2f78a6999eb21f0a3c29b5b1c082a1d1edef45ce3373920241a1b1638d", kill_on_drop: false }`
[INFO] [stdout] 20c76d2f78a6999eb21f0a3c29b5b1c082a1d1edef45ce3373920241a1b1638d