[INFO] cloning repository https://github.com/udayj/rust-state-machine [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/udayj/rust-state-machine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudayj%2Frust-state-machine", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudayj%2Frust-state-machine'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5f997ffbc9c67ec4199240d8ce87e1911cfee8e2 [INFO] checking udayj/rust-state-machine against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudayj%2Frust-state-machine" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/udayj/rust-state-machine on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/udayj/rust-state-machine [INFO] finished tweaking git repo https://github.com/udayj/rust-state-machine [INFO] tweaked toml for git repo https://github.com/udayj/rust-state-machine written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/udayj/rust-state-machine 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7afd0116cfe5579f9d13755d75349c6a84420e992fae417745027fd7b7a2e78e [INFO] running `Command { std: "docker" "start" "-a" "7afd0116cfe5579f9d13755d75349c6a84420e992fae417745027fd7b7a2e78e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7afd0116cfe5579f9d13755d75349c6a84420e992fae417745027fd7b7a2e78e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7afd0116cfe5579f9d13755d75349c6a84420e992fae417745027fd7b7a2e78e", kill_on_drop: false }` [INFO] [stdout] 7afd0116cfe5579f9d13755d75349c6a84420e992fae417745027fd7b7a2e78e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 61362ea014a3de3522e4bf9cfadaf0bd635e056361b7449d0a37946f03bdc614 [INFO] running `Command { std: "docker" "start" "-a" "61362ea014a3de3522e4bf9cfadaf0bd635e056361b7449d0a37946f03bdc614", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.81 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.60 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.5 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking num v0.4.1 [INFO] [stderr] Compiling macros v0.1.0 (/opt/rustwide/workdir/macros) [INFO] [stderr] Checking rust-state-machine v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `AccountId` and `Balance` [INFO] [stdout] --> src/main.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | use types::{AccountId, Balance}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AccountId` and `Balance` [INFO] [stdout] --> src/main.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | use types::{AccountId, Balance}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/balances.rs:89:4 [INFO] [stdout] | [INFO] [stdout] 87 | Call::Transfer { to, amount } => [INFO] [stdout] | ----------------------------- matches all the relevant values [INFO] [stdout] 88 | self.transfer(caller, to, amount), [INFO] [stdout] 89 | _ => Ok(()) [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bob` [INFO] [stdout] --> src/main.rs:108:6 [INFO] [stdout] | [INFO] [stdout] 108 | let bob = "bob".to_string(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_bob` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `charlie` [INFO] [stdout] --> src/main.rs:109:6 [INFO] [stdout] | [INFO] [stdout] 109 | let charlie = "charlie".to_string(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_charlie` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/balances.rs:89:4 [INFO] [stdout] | [INFO] [stdout] 87 | Call::Transfer { to, amount } => [INFO] [stdout] | ----------------------------- matches all the relevant values [INFO] [stdout] 88 | self.transfer(caller, to, amount), [INFO] [stdout] 89 | _ => Ok(()) [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bob` [INFO] [stdout] --> src/main.rs:108:6 [INFO] [stdout] | [INFO] [stdout] 108 | let bob = "bob".to_string(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_bob` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `charlie` [INFO] [stdout] --> src/main.rs:109:6 [INFO] [stdout] | [INFO] [stdout] 109 | let charlie = "charlie".to_string(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_charlie` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/balances.rs:132:9 [INFO] [stdout] | [INFO] [stdout] 132 | balances.transfer("alice".to_string(),"bob".to_string(),50); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 132 | let _ = balances.transfer("alice".to_string(),"bob".to_string(),50); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.11s [INFO] running `Command { std: "docker" "inspect" "61362ea014a3de3522e4bf9cfadaf0bd635e056361b7449d0a37946f03bdc614", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61362ea014a3de3522e4bf9cfadaf0bd635e056361b7449d0a37946f03bdc614", kill_on_drop: false }` [INFO] [stdout] 61362ea014a3de3522e4bf9cfadaf0bd635e056361b7449d0a37946f03bdc614