[INFO] fetching crate buffett-budget 0.1.2...
[INFO] checking buffett-budget-0.1.2 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate buffett-budget 0.1.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate buffett-budget 0.1.2 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate buffett-budget 0.1.2
[INFO] finished tweaking crates.io crate buffett-budget 0.1.2
[INFO] tweaked toml for crates.io crate buffett-budget 0.1.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded buffett-interface v0.1.0
[INFO] [stderr]   Downloaded bs58 v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02eeffb0fbcc13d7a430b26fc4107f723a610d85e7f3fddbda5988adea1a0fec
[INFO] running `Command { std: "docker" "start" "-a" "02eeffb0fbcc13d7a430b26fc4107f723a610d85e7f3fddbda5988adea1a0fec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02eeffb0fbcc13d7a430b26fc4107f723a610d85e7f3fddbda5988adea1a0fec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02eeffb0fbcc13d7a430b26fc4107f723a610d85e7f3fddbda5988adea1a0fec", kill_on_drop: false }`
[INFO] [stdout] 02eeffb0fbcc13d7a430b26fc4107f723a610d85e7f3fddbda5988adea1a0fec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69df8e8f5522d75117875fd5235b2264b8e6c2a3c2355a903286d5fd9fea90c2
[INFO] running `Command { std: "docker" "start" "-a" "69df8e8f5522d75117875fd5235b2264b8e6c2a3c2355a903286d5fd9fea90c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking bs58 v0.2.5
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling syn v2.0.42
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]     Checking buffett-interface v0.1.0
[INFO] [stderr]     Checking buffett-budget v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/budget.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |             mem::replace(self, budget);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 107 |             let _ = mem::replace(self, budget);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/budget.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |             mem::replace(self, budget);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 107 |             let _ = mem::replace(self, budget);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.09s
[INFO] running `Command { std: "docker" "inspect" "69df8e8f5522d75117875fd5235b2264b8e6c2a3c2355a903286d5fd9fea90c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69df8e8f5522d75117875fd5235b2264b8e6c2a3c2355a903286d5fd9fea90c2", kill_on_drop: false }`
[INFO] [stdout] 69df8e8f5522d75117875fd5235b2264b8e6c2a3c2355a903286d5fd9fea90c2
