[INFO] cloning repository https://github.com/radkum/transaction-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/radkum/transaction-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fradkum%2Ftransaction-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fradkum%2Ftransaction-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 457aba57c00e7d859dd646e705bf8b8cba13bae0
[INFO] checking radkum/transaction-engine against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fradkum%2Ftransaction-engine" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/radkum/transaction-engine 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-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/radkum/transaction-engine
[INFO] finished tweaking git repo https://github.com/radkum/transaction-engine
[INFO] tweaked toml for git repo https://github.com/radkum/transaction-engine written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/radkum/transaction-engine 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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] dc7f1821dd6d8549c2f5aaf4c3508bf839797b9b7da7fd4c55f5f599678285fe
[INFO] running `Command { std: "docker" "start" "-a" "dc7f1821dd6d8549c2f5aaf4c3508bf839797b9b7da7fd4c55f5f599678285fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc7f1821dd6d8549c2f5aaf4c3508bf839797b9b7da7fd4c55f5f599678285fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc7f1821dd6d8549c2f5aaf4c3508bf839797b9b7da7fd4c55f5f599678285fe", kill_on_drop: false }`
[INFO] [stdout] dc7f1821dd6d8549c2f5aaf4c3508bf839797b9b7da7fd4c55f5f599678285fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a49c7cc2a1c2e1845e77bf70408a1e67a67239a08a033c22d34f6ec9f2346f58
[INFO] running `Command { std: "docker" "start" "-a" "a49c7cc2a1c2e1845e77bf70408a1e67a67239a08a033c22d34f6ec9f2346f58", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling rust_decimal v1.35.0
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling anyhow v1.0.82
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking engine v0.1.0 (/opt/rustwide/workdir/components/engine)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> components/engine/src/engine.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |             return Ok(());
[INFO] [stdout]    |             ------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 50 |         writeln!(out, "client,available,held,total")?;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> components/engine/src/engine.rs:43:60
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub(crate) async fn print_wallets<W: Write>(&mut self, mut out: W) -> Result<(), EngineError> {
[INFO] [stdout]    |                                                            ----^^^
[INFO] [stdout]    |                                                            |
[INFO] [stdout]    |                                                            help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking cli v0.1.0 (/opt/rustwide/workdir/components/cli)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.96s
[INFO] running `Command { std: "docker" "inspect" "a49c7cc2a1c2e1845e77bf70408a1e67a67239a08a033c22d34f6ec9f2346f58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a49c7cc2a1c2e1845e77bf70408a1e67a67239a08a033c22d34f6ec9f2346f58", kill_on_drop: false }`
[INFO] [stdout] a49c7cc2a1c2e1845e77bf70408a1e67a67239a08a033c22d34f6ec9f2346f58