[INFO] cloning repository https://github.com/Solniechniy/USDF-contracts
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Solniechniy/USDF-contracts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSolniechniy%2FUSDF-contracts", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSolniechniy%2FUSDF-contracts'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 90aeb5a1dec7612f3b1ba2a5fec1e657fa38136e
[INFO] checking Solniechniy/USDF-contracts against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSolniechniy%2FUSDF-contracts" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Solniechniy/USDF-contracts
[INFO] finished tweaking git repo https://github.com/Solniechniy/USDF-contracts
[INFO] tweaked toml for git repo https://github.com/Solniechniy/USDF-contracts written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Solniechniy/USDF-contracts 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 git repo https://github.com/Solniechniy/USDF-contracts 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] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 795805fbef5417ee46728b0a6a461de0bd281983f6f7f925358a778339c82a30
[INFO] running `Command { std: "docker" "start" "-a" "795805fbef5417ee46728b0a6a461de0bd281983f6f7f925358a778339c82a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "795805fbef5417ee46728b0a6a461de0bd281983f6f7f925358a778339c82a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "795805fbef5417ee46728b0a6a461de0bd281983f6f7f925358a778339c82a30", kill_on_drop: false }`
[INFO] [stdout] 795805fbef5417ee46728b0a6a461de0bd281983f6f7f925358a778339c82a30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2122bdb1e4cb0498fce4fb471457211f56c8710743be09b9cdada3c9fb0c8a1c
[INFO] running `Command { std: "docker" "start" "-a" "2122bdb1e4cb0498fce4fb471457211f56c8710743be09b9cdada3c9fb0c8a1c", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling syn v2.0.82
[INFO] [stderr]    Compiling serde v1.0.213
[INFO] [stderr]    Compiling borsh v1.5.1
[INFO] [stderr]    Compiling strum v0.26.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling near-sdk-macros v5.5.0
[INFO] [stderr]     Checking near-sys v0.2.2
[INFO] [stderr]     Checking bs58 v0.5.1
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking bytes v1.8.0
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking rlp v0.6.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling serde_derive v1.0.213
[INFO] [stderr]    Compiling syn_derive v0.1.8
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.65
[INFO] [stderr]    Compiling borsh-derive v1.5.1
[INFO] [stderr]     Checking thiserror v1.0.65
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling near-sdk-contract-tools-macros v3.0.2
[INFO] [stderr]     Checking near-account-id v1.0.0
[INFO] [stderr]     Checking serde_json v1.0.132
[INFO] [stderr]     Checking near-token v0.3.0
[INFO] [stderr]     Checking near-gas v0.3.0
[INFO] [stderr]     Checking ed25519 v2.2.3
[INFO] [stderr]     Checking ed25519-dalek v2.1.1
[INFO] [stderr]     Checking near-sdk v5.5.0
[INFO] [stderr]     Checking near-sdk-contract-tools v3.0.2
[INFO] [stderr]     Checking near-contract-standards v5.5.0
[INFO] [stderr]     Checking exchange_contract v0.1.0 (/opt/rustwide/workdir/exchange_contract)
[INFO] [stdout] warning: unused import: `Balance`
[INFO] [stdout]  --> exchange_contract/src/on_transfer.rs:2:80
[INFO] [stdout]   |
[INFO] [stdout] 2 |     near_contract_standards::fungible_token::{receiver::FungibleTokenReceiver, Balance},
[INFO] [stdout]   |                                                                                ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Balance`
[INFO] [stdout]  --> exchange_contract/src/on_transfer.rs:2:80
[INFO] [stdout]   |
[INFO] [stdout] 2 |     near_contract_standards::fungible_token::{receiver::FungibleTokenReceiver, Balance},
[INFO] [stdout]   |                                                                                ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ExchangeStatus` is never used
[INFO] [stdout]  --> exchange_contract/src/events.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum ExchangeStatus {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExchangeEvent` is never constructed
[INFO] [stdout]   --> exchange_contract/src/events.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct ExchangeEvent {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ExchangeStatus` is never used
[INFO] [stdout]  --> exchange_contract/src/events.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum ExchangeStatus {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExchangeEvent` is never constructed
[INFO] [stdout]   --> exchange_contract/src/events.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct ExchangeEvent {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 64], Infallible>
[INFO] [stdout]    --> exchange_contract/src/verifier.rs:110:32
[INFO] [stdout]     |
[INFO] [stdout] 110 |         Signature::from_bytes(&signature.clone().try_into().expect(ERR_PARSE_SIGNATURE));
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exchange_contract` (lib test) due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2122bdb1e4cb0498fce4fb471457211f56c8710743be09b9cdada3c9fb0c8a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2122bdb1e4cb0498fce4fb471457211f56c8710743be09b9cdada3c9fb0c8a1c", kill_on_drop: false }`
[INFO] [stdout] 2122bdb1e4cb0498fce4fb471457211f56c8710743be09b9cdada3c9fb0c8a1c