[INFO] fetching crate rustmate 0.1.0...
[INFO] checking rustmate-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate rustmate 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate rustmate 0.1.0
[INFO] finished tweaking crates.io crate rustmate 0.1.0
[INFO] tweaked toml for crates.io crate rustmate 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustmate 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 93 packages to latest compatible versions
[INFO] [stderr]       Adding alloy-primitives v0.3.3 (available: v1.4.1)
[INFO] [stderr]       Adding alloy-sol-macro v0.3.1 (available: v0.3.2)
[INFO] [stderr]       Adding alloy-sol-types v0.3.1 (available: v0.3.2)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding stylus-sdk v0.4.3 (available: v0.9.2)
[INFO] [stderr]       Adding syn-solidity v0.3.1 (available: v0.3.2)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9ea47cc7fbfa96a617118f5743a69207ee33fe0b4877879306b779bc29ad2b34
[INFO] running `Command { std: "docker" "start" "-a" "9ea47cc7fbfa96a617118f5743a69207ee33fe0b4877879306b779bc29ad2b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ea47cc7fbfa96a617118f5743a69207ee33fe0b4877879306b779bc29ad2b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ea47cc7fbfa96a617118f5743a69207ee33fe0b4877879306b779bc29ad2b34", kill_on_drop: false }`
[INFO] [stdout] 9ea47cc7fbfa96a617118f5743a69207ee33fe0b4877879306b779bc29ad2b34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] dc15ece240e3e36ebb2098f3ac5433dacf65ce21cc102a2f07805bf3bd408883
[INFO] running `Command { std: "docker" "start" "-a" "dc15ece240e3e36ebb2098f3ac5433dacf65ce21cc102a2f07805bf3bd408883", kill_on_drop: false }`
[INFO] [stderr]    Compiling ruint-macro v1.2.1
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling const-hex v1.17.0
[INFO] [stderr]    Compiling hex-literal v0.4.1
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking keccak-const v0.2.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling ruint v1.17.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling syn-solidity v0.3.1
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling alloy-sol-macro v0.3.1
[INFO] [stderr]    Compiling alloy-primitives v0.3.3
[INFO] [stderr]     Checking alloy-sol-types v0.3.1
[INFO] [stderr]    Compiling stylus-proc v0.4.3
[INFO] [stderr]     Checking stylus-sdk v0.4.3
[INFO] [stderr]     Checking rustmate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<bool, ERC6909Error>
[INFO] [stdout]    --> src/tokens/erc6909.rs:90:91
[INFO] [stdout]     |
[INFO] [stdout]  90 |       pub fn transfer(&mut self, receiver: Address, id: U256, amount: U256) -> Result<bool> {
[INFO] [stdout]     |  ___________________________________________________________________________________________^
[INFO] [stdout]  91 | |         let mut from_balance = self.balance_of.setter(msg::sender());
[INFO] [stdout]  92 | |         let balance = from_balance.get(id) - amount;
[INFO] [stdout]  93 | |         from_balance.insert(id, balance);
[INFO] [stdout] ...   |
[INFO] [stdout] 107 | |         Ok(true)
[INFO] [stdout] 108 | |     }
[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: std::result::Result<bool, ERC6909Error>
[INFO] [stdout]    --> src/tokens/erc6909.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         Ok(true)
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<bool, ERC6909Error>
[INFO] [stdout]    --> src/tokens/erc6909.rs:116:23
[INFO] [stdout]     |
[INFO] [stdout] 116 |       ) -> Result<bool> {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 117 | |         if msg::sender() != sender && !self.is_operator.getter(sender).get(msg::sender()) {
[INFO] [stdout] 118 | |             let allowed = self.allowance.getter(sender).getter(msg::sender()).get(id);
[INFO] [stdout] 119 | |             if allowed != U256::MAX {
[INFO] [stdout] ...   |
[INFO] [stdout] 143 | |         Ok(true)
[INFO] [stdout] 144 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<bool, ERC6909Error>
[INFO] [stdout]    --> src/tokens/erc6909.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |         Ok(true)
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<bool, ERC6909Error>
[INFO] [stdout]    --> src/tokens/erc6909.rs:146:89
[INFO] [stdout]     |
[INFO] [stdout] 146 |       pub fn approve(&mut self, spender: Address, id: U256, amount: U256) -> Result<bool> {
[INFO] [stdout]     |  _________________________________________________________________________________________^
[INFO] [stdout] 147 | |         self.allowance
[INFO] [stdout] 148 | |             .setter(msg::sender())
[INFO] [stdout] 149 | |             .setter(spender)
[INFO] [stdout] ...   |
[INFO] [stdout] 159 | |         Ok(true)
[INFO] [stdout] 160 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<bool, ERC6909Error>
[INFO] [stdout]    --> src/tokens/erc6909.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         Ok(true)
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<bool, ERC6909Error>
[INFO] [stdout]    --> src/tokens/erc6909.rs:162:87
[INFO] [stdout]     |
[INFO] [stdout] 162 |       pub fn set_operator(&mut self, operator: Address, approved: bool) -> Result<bool> {
[INFO] [stdout]     |  _______________________________________________________________________________________^
[INFO] [stdout] 163 | |         self.is_operator
[INFO] [stdout] 164 | |             .setter(msg::sender())
[INFO] [stdout] 165 | |             .insert(operator, approved);
[INFO] [stdout] ...   |
[INFO] [stdout] 173 | |         Ok(true)
[INFO] [stdout] 174 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<bool, ERC6909Error>
[INFO] [stdout]    --> src/tokens/erc6909.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |         Ok(true)
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<bool, ERC6909Error>
[INFO] [stdout]    --> src/tokens/erc6909.rs:176:67
[INFO] [stdout]     |
[INFO] [stdout] 176 |       pub fn supports_interface(interface: [u8; 4]) -> Result<bool> {
[INFO] [stdout]     |  ___________________________________________________________________^
[INFO] [stdout] 177 | |         let supported = interface == 0x01ffc9a7u32.to_be_bytes() // ERC165 Interface ID for ERC165
[INFO] [stdout] 178 | |             || interface == 0xb2e69f8au32.to_be_bytes(); // ERC165 Interface ID for ERC6909
[INFO] [stdout] 179 | |         Ok(supported)
[INFO] [stdout] 180 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<bool, ERC6909Error>
[INFO] [stdout]    --> src/tokens/erc6909.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |         Ok(supported)
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<bool, ERC6909Error>
[INFO] [stdout]   --> src/tokens/erc6909.rs:88:1
[INFO] [stdout]    |
[INFO] [stdout] 88 | #[external]
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `external` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustmate` (lib test) due to 11 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<bool, ERC6909Error>
[INFO] [stdout]    --> src/tokens/erc6909.rs:90:91
[INFO] [stdout]     |
[INFO] [stdout]  90 |       pub fn transfer(&mut self, receiver: Address, id: U256, amount: U256) -> Result<bool> {
[INFO] [stdout]     |  ___________________________________________________________________________________________^
[INFO] [stdout]  91 | |         let mut from_balance = self.balance_of.setter(msg::sender());
[INFO] [stdout]  92 | |         let balance = from_balance.get(id) - amount;
[INFO] [stdout]  93 | |         from_balance.insert(id, balance);
[INFO] [stdout] ...   |
[INFO] [stdout] 107 | |         Ok(true)
[INFO] [stdout] 108 | |     }
[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: std::result::Result<bool, ERC6909Error>
[INFO] [stdout]    --> src/tokens/erc6909.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         Ok(true)
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<bool, ERC6909Error>
[INFO] [stdout]    --> src/tokens/erc6909.rs:116:23
[INFO] [stdout]     |
[INFO] [stdout] 116 |       ) -> Result<bool> {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 117 | |         if msg::sender() != sender && !self.is_operator.getter(sender).get(msg::sender()) {
[INFO] [stdout] 118 | |             let allowed = self.allowance.getter(sender).getter(msg::sender()).get(id);
[INFO] [stdout] 119 | |             if allowed != U256::MAX {
[INFO] [stdout] ...   |
[INFO] [stdout] 143 | |         Ok(true)
[INFO] [stdout] 144 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<bool, ERC6909Error>
[INFO] [stdout]    --> src/tokens/erc6909.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |         Ok(true)
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<bool, ERC6909Error>
[INFO] [stdout]    --> src/tokens/erc6909.rs:146:89
[INFO] [stdout]     |
[INFO] [stdout] 146 |       pub fn approve(&mut self, spender: Address, id: U256, amount: U256) -> Result<bool> {
[INFO] [stdout]     |  _________________________________________________________________________________________^
[INFO] [stdout] 147 | |         self.allowance
[INFO] [stdout] 148 | |             .setter(msg::sender())
[INFO] [stdout] 149 | |             .setter(spender)
[INFO] [stdout] ...   |
[INFO] [stdout] 159 | |         Ok(true)
[INFO] [stdout] 160 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<bool, ERC6909Error>
[INFO] [stdout]    --> src/tokens/erc6909.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         Ok(true)
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<bool, ERC6909Error>
[INFO] [stdout]    --> src/tokens/erc6909.rs:162:87
[INFO] [stdout]     |
[INFO] [stdout] 162 |       pub fn set_operator(&mut self, operator: Address, approved: bool) -> Result<bool> {
[INFO] [stdout]     |  _______________________________________________________________________________________^
[INFO] [stdout] 163 | |         self.is_operator
[INFO] [stdout] 164 | |             .setter(msg::sender())
[INFO] [stdout] 165 | |             .insert(operator, approved);
[INFO] [stdout] ...   |
[INFO] [stdout] 173 | |         Ok(true)
[INFO] [stdout] 174 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<bool, ERC6909Error>
[INFO] [stdout]    --> src/tokens/erc6909.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |         Ok(true)
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<bool, ERC6909Error>
[INFO] [stdout]    --> src/tokens/erc6909.rs:176:67
[INFO] [stdout]     |
[INFO] [stdout] 176 |       pub fn supports_interface(interface: [u8; 4]) -> Result<bool> {
[INFO] [stdout]     |  ___________________________________________________________________^
[INFO] [stdout] 177 | |         let supported = interface == 0x01ffc9a7u32.to_be_bytes() // ERC165 Interface ID for ERC165
[INFO] [stdout] 178 | |             || interface == 0xb2e69f8au32.to_be_bytes(); // ERC165 Interface ID for ERC6909
[INFO] [stdout] 179 | |         Ok(supported)
[INFO] [stdout] 180 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<bool, ERC6909Error>
[INFO] [stdout]    --> src/tokens/erc6909.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |         Ok(supported)
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<bool, ERC6909Error>
[INFO] [stdout]   --> src/tokens/erc6909.rs:88:1
[INFO] [stdout]    |
[INFO] [stdout] 88 | #[external]
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `external` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustmate` (lib) due to 11 previous errors
[INFO] running `Command { std: "docker" "inspect" "dc15ece240e3e36ebb2098f3ac5433dacf65ce21cc102a2f07805bf3bd408883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc15ece240e3e36ebb2098f3ac5433dacf65ce21cc102a2f07805bf3bd408883", kill_on_drop: false }`
[INFO] [stdout] dc15ece240e3e36ebb2098f3ac5433dacf65ce21cc102a2f07805bf3bd408883
