[INFO] fetching crate melwallet 0.1.2...
[INFO] checking melwallet-0.1.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate melwallet 0.1.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate melwallet 0.1.2
[INFO] finished tweaking crates.io crate melwallet 0.1.2
[INFO] tweaked toml for crates.io crate melwallet 0.1.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate melwallet 0.1.2 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]      Locking 114 packages to latest compatible versions
[INFO] [stderr]       Adding serde_with v1.14.0 (available: v3.15.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[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] 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] 9020b2b42b10b0ec02c319896b38f953d4a26715e29d030bdbd43cc717a0f535
[INFO] running `Command { std: "docker" "start" "-a" "9020b2b42b10b0ec02c319896b38f953d4a26715e29d030bdbd43cc717a0f535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9020b2b42b10b0ec02c319896b38f953d4a26715e29d030bdbd43cc717a0f535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9020b2b42b10b0ec02c319896b38f953d4a26715e29d030bdbd43cc717a0f535", kill_on_drop: false }`
[INFO] [stdout] 9020b2b42b10b0ec02c319896b38f953d4a26715e29d030bdbd43cc717a0f535
[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] e86ee9858391967487dbce4cb476ea54834d1f02e5452cbe326f951a43bf6e34
[INFO] running `Command { std: "docker" "start" "-a" "e86ee9858391967487dbce4cb476ea54834d1f02e5452cbe326f951a43bf6e34", kill_on_drop: false }`
[INFO] [stderr]    Compiling blake3 v1.8.2
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling derive_arbitrary v1.4.2
[INFO] [stderr]    Compiling structmeta-derive v0.1.6
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling serde_repr v0.1.20
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking defmac v0.2.1
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking curve25519-dalek-ng v4.1.1
[INFO] [stderr]     Checking arbitrary v1.4.2
[INFO] [stderr]    Compiling structmeta v0.1.6
[INFO] [stderr]     Checking catvec v0.1.6
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling parse-display-derive v0.5.5
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling serde_with_macros v1.5.2
[INFO] [stderr]     Checking num_enum v0.5.11
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking parse-display v0.5.5
[INFO] [stderr]     Checking serde_with v1.14.0
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde-big-array v0.3.3
[INFO] [stderr]     Checking ed25519-consensus v1.2.1
[INFO] [stderr]     Checking ethnum v1.5.2
[INFO] [stderr]     Checking stdcode v0.1.14
[INFO] [stderr]     Checking tmelcrypt v0.2.7
[INFO] [stderr]     Checking melstructs v0.3.3
[INFO] [stderr]     Checking melvm v0.1.1
[INFO] [stderr]     Checking melwallet v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `touched_coin_count` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:143:17
[INFO] [stdout]     |
[INFO] [stdout] 143 |             let mut touched_coin_count = 0;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_touched_coin_count` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `touched_coin_count` is never read
[INFO] [stdout]    --> src/lib.rs:150:25
[INFO] [stdout]     |
[INFO] [stdout] 150 |                         touched_coin_count += 1;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `touched_coin_count` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:143:17
[INFO] [stdout]     |
[INFO] [stdout] 143 |             let mut touched_coin_count = 0;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_touched_coin_count` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `touched_coin_count` is never read
[INFO] [stdout]    --> src/lib.rs:150:25
[INFO] [stdout]     |
[INFO] [stdout] 150 |                         touched_coin_count += 1;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Transaction, Infallible>
[INFO] [stdout]   --> src/signer.rs:36:93
[INFO] [stdout]    |
[INFO] [stdout] 36 |       fn sign(&self, txn: &Transaction, for_input: usize) -> Result<Transaction, Self::Error> {
[INFO] [stdout]    |  _____________________________________________________________________________________________^
[INFO] [stdout] 37 | |         let mut txn = txn.clone();
[INFO] [stdout] 38 | |         // make sure sigs is big enough, padding it with empty elements as needed
[INFO] [stdout] 39 | |         txn.sigs
[INFO] [stdout] ...  |
[INFO] [stdout] 42 | |         Ok(txn)
[INFO] [stdout] 43 | |     }
[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<Transaction, Infallible>
[INFO] [stdout]   --> src/signer.rs:36:93
[INFO] [stdout]    |
[INFO] [stdout] 36 |       fn sign(&self, txn: &Transaction, for_input: usize) -> Result<Transaction, Self::Error> {
[INFO] [stdout]    |  _____________________________________________________________________________________________^
[INFO] [stdout] 37 | |         let mut txn = txn.clone();
[INFO] [stdout] 38 | |         // make sure sigs is big enough, padding it with empty elements as needed
[INFO] [stdout] 39 | |         txn.sigs
[INFO] [stdout] ...  |
[INFO] [stdout] 42 | |         Ok(txn)
[INFO] [stdout] 43 | |     }
[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<Transaction, Infallible>
[INFO] [stdout]   --> src/signer.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         Ok(txn)
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Transaction, Infallible>
[INFO] [stdout]   --> src/signer.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         Ok(txn)
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `melwallet` (lib test) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `melwallet` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e86ee9858391967487dbce4cb476ea54834d1f02e5452cbe326f951a43bf6e34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e86ee9858391967487dbce4cb476ea54834d1f02e5452cbe326f951a43bf6e34", kill_on_drop: false }`
[INFO] [stdout] e86ee9858391967487dbce4cb476ea54834d1f02e5452cbe326f951a43bf6e34
