[INFO] fetching crate rsnark-provers-mock 0.1.4...
[INFO] checking rsnark-provers-mock-0.1.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate rsnark-provers-mock 0.1.4 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate rsnark-provers-mock 0.1.4
[INFO] finished tweaking crates.io crate rsnark-provers-mock 0.1.4
[INFO] tweaked toml for crates.io crate rsnark-provers-mock 0.1.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rsnark-provers-mock 0.1.4 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rsnark-provers-mock 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99c04a494ee8ffd2b8b808f550861478cd4d6842a92d1254ea6da2a2cc14c9f8
[INFO] running `Command { std: "docker" "start" "-a" "99c04a494ee8ffd2b8b808f550861478cd4d6842a92d1254ea6da2a2cc14c9f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99c04a494ee8ffd2b8b808f550861478cd4d6842a92d1254ea6da2a2cc14c9f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99c04a494ee8ffd2b8b808f550861478cd4d6842a92d1254ea6da2a2cc14c9f8", kill_on_drop: false }`
[INFO] [stdout] 99c04a494ee8ffd2b8b808f550861478cd4d6842a92d1254ea6da2a2cc14c9f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 895f12fe833ab7ea1a3ed2492a5691e5fc9d43a5d15d98d9e39dec7799ae26b2
[INFO] running `Command { std: "docker" "start" "-a" "895f12fe833ab7ea1a3ed2492a5691e5fc9d43a5d15d98d9e39dec7799ae26b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling rsnark-macros v0.1.5
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]     Checking thiserror v2.0.16
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling serde_with_macros v3.14.0
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking serde_with v3.14.0
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking rsnark-core v0.1.3
[INFO] [stderr]     Checking rsnark-provers-core v0.1.6
[INFO] [stderr]     Checking rsnark-provers-mock v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<CircuitDefinition, Error>
[INFO] [stdout]   --> src/lib.rs:76:100
[INFO] [stdout]    |
[INFO] [stdout] 76 |       fn compile(&self, circuit: &CircuitDefinition) -> Result<Self::CircuitConstraint, Self::Error> {
[INFO] [stdout]    |  ____________________________________________________________________________________________________^
[INFO] [stdout] 77 | |         Ok(circuit.clone())
[INFO] [stdout] 78 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<CircuitDefinition, Error>
[INFO] [stdout]   --> src/lib.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         Ok(circuit.clone())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<((), ()), Error>
[INFO] [stdout]   --> src/lib.rs:87:70
[INFO] [stdout]    |
[INFO] [stdout] 87 |       ) -> Result<(Self::ProvingKey, Self::VerifyingKey), Self::Error> {
[INFO] [stdout]    |  ______________________________________________________________________^
[INFO] [stdout] 88 | |         Ok(((), ()))
[INFO] [stdout] 89 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<((), ()), Error>
[INFO] [stdout]   --> src/lib.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         Ok(((), ()))
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<BigInt, Error>
[INFO] [stdout]    --> src/lib.rs:101:43
[INFO] [stdout]     |
[INFO] [stdout] 101 |       ) -> Result<Self::Proof, Self::Error> {
[INFO] [stdout]     |  ___________________________________________^
[INFO] [stdout] 102 | |         let res_hash = hash_public_witness(witness.public());
[INFO] [stdout] 103 | |         Ok(res_hash)
[INFO] [stdout] 104 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<BigInt, Error>
[INFO] [stdout]    --> src/lib.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |         Ok(res_hash)
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Error>
[INFO] [stdout]    --> src/lib.rs:115:36
[INFO] [stdout]     |
[INFO] [stdout] 115 |       ) -> Result<bool, Self::Error> {
[INFO] [stdout]     |  ____________________________________^
[INFO] [stdout] 116 | |         let res_hash = hash_public_witness(&public_witness.public);
[INFO] [stdout] 117 | |         if res_hash == *proof {
[INFO] [stdout] 118 | |             Ok(true)
[INFO] [stdout] ...   |
[INFO] [stdout] 122 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Error>
[INFO] [stdout]    --> src/lib.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 | /         if res_hash == *proof {
[INFO] [stdout] 118 | |             Ok(true)
[INFO] [stdout] 119 | |         } else {
[INFO] [stdout] 120 | |             Ok(false)
[INFO] [stdout] 121 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Error>
[INFO] [stdout]    --> src/lib.rs:117:31
[INFO] [stdout]     |
[INFO] [stdout] 117 |           if res_hash == *proof {
[INFO] [stdout]     |  _______________________________^
[INFO] [stdout] 118 | |             Ok(true)
[INFO] [stdout] 119 | |         } else {
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Error>
[INFO] [stdout]    --> src/lib.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |             Ok(true)
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Error>
[INFO] [stdout]    --> src/lib.rs:119:16
[INFO] [stdout]     |
[INFO] [stdout] 119 |           } else {
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 120 | |             Ok(false)
[INFO] [stdout] 121 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Error>
[INFO] [stdout]    --> src/lib.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |             Ok(false)
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rsnark-provers-mock` (lib) due to 12 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<CircuitDefinition, Error>
[INFO] [stdout]   --> src/lib.rs:76:100
[INFO] [stdout]    |
[INFO] [stdout] 76 |       fn compile(&self, circuit: &CircuitDefinition) -> Result<Self::CircuitConstraint, Self::Error> {
[INFO] [stdout]    |  ____________________________________________________________________________________________________^
[INFO] [stdout] 77 | |         Ok(circuit.clone())
[INFO] [stdout] 78 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<CircuitDefinition, Error>
[INFO] [stdout]   --> src/lib.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         Ok(circuit.clone())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<((), ()), Error>
[INFO] [stdout]   --> src/lib.rs:87:70
[INFO] [stdout]    |
[INFO] [stdout] 87 |       ) -> Result<(Self::ProvingKey, Self::VerifyingKey), Self::Error> {
[INFO] [stdout]    |  ______________________________________________________________________^
[INFO] [stdout] 88 | |         Ok(((), ()))
[INFO] [stdout] 89 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<((), ()), Error>
[INFO] [stdout]   --> src/lib.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         Ok(((), ()))
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<BigInt, Error>
[INFO] [stdout]    --> src/lib.rs:101:43
[INFO] [stdout]     |
[INFO] [stdout] 101 |       ) -> Result<Self::Proof, Self::Error> {
[INFO] [stdout]     |  ___________________________________________^
[INFO] [stdout] 102 | |         let res_hash = hash_public_witness(witness.public());
[INFO] [stdout] 103 | |         Ok(res_hash)
[INFO] [stdout] 104 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<BigInt, Error>
[INFO] [stdout]    --> src/lib.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |         Ok(res_hash)
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Error>
[INFO] [stdout]    --> src/lib.rs:115:36
[INFO] [stdout]     |
[INFO] [stdout] 115 |       ) -> Result<bool, Self::Error> {
[INFO] [stdout]     |  ____________________________________^
[INFO] [stdout] 116 | |         let res_hash = hash_public_witness(&public_witness.public);
[INFO] [stdout] 117 | |         if res_hash == *proof {
[INFO] [stdout] 118 | |             Ok(true)
[INFO] [stdout] ...   |
[INFO] [stdout] 122 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Error>
[INFO] [stdout]    --> src/lib.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 | /         if res_hash == *proof {
[INFO] [stdout] 118 | |             Ok(true)
[INFO] [stdout] 119 | |         } else {
[INFO] [stdout] 120 | |             Ok(false)
[INFO] [stdout] 121 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Error>
[INFO] [stdout]    --> src/lib.rs:117:31
[INFO] [stdout]     |
[INFO] [stdout] 117 |           if res_hash == *proof {
[INFO] [stdout]     |  _______________________________^
[INFO] [stdout] 118 | |             Ok(true)
[INFO] [stdout] 119 | |         } else {
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Error>
[INFO] [stdout]    --> src/lib.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |             Ok(true)
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Error>
[INFO] [stdout]    --> src/lib.rs:119:16
[INFO] [stdout]     |
[INFO] [stdout] 119 |           } else {
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 120 | |             Ok(false)
[INFO] [stdout] 121 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Error>
[INFO] [stdout]    --> src/lib.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |             Ok(false)
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rsnark-provers-mock` (lib test) due to 12 previous errors
[INFO] running `Command { std: "docker" "inspect" "895f12fe833ab7ea1a3ed2492a5691e5fc9d43a5d15d98d9e39dec7799ae26b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "895f12fe833ab7ea1a3ed2492a5691e5fc9d43a5d15d98d9e39dec7799ae26b2", kill_on_drop: false }`
[INFO] [stdout] 895f12fe833ab7ea1a3ed2492a5691e5fc9d43a5d15d98d9e39dec7799ae26b2
