[INFO] fetching crate rusty-money 0.3.5...
[INFO] checking rusty-money-0.3.5 against beta for pr-78714
[INFO] extracting crate rusty-money 0.3.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rusty-money 0.3.5 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rusty-money 0.3.5
[INFO] finished tweaking crates.io crate rusty-money 0.3.5
[INFO] tweaked toml for crates.io crate rusty-money 0.3.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1b2cb8f63f9d85e0f678cb1193a97bdb271c326f7c68b9c662e1a5f591ea04d2
[INFO] running `Command { std: "docker" "start" "-a" "1b2cb8f63f9d85e0f678cb1193a97bdb271c326f7c68b9c662e1a5f591ea04d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b2cb8f63f9d85e0f678cb1193a97bdb271c326f7c68b9c662e1a5f591ea04d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b2cb8f63f9d85e0f678cb1193a97bdb271c326f7c68b9c662e1a5f591ea04d2", kill_on_drop: false }`
[INFO] [stdout] 1b2cb8f63f9d85e0f678cb1193a97bdb271c326f7c68b9c662e1a5f591ea04d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be5b2370da88072fcb295d226179e0b285b06316f6ae8d6e73511b30760f633b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "be5b2370da88072fcb295d226179e0b285b06316f6ae8d6e73511b30760f633b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rust_decimal v1.8.1
[INFO] [stderr]    Compiling rust_decimal_macros v1.8.1
[INFO] [stderr]     Checking rusty-money v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/money.rs:487:9
[INFO] [stdout]     |
[INFO] [stdout] 487 |         money!(1, "USD") + money!(1, "GBP");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/money.rs:494:9
[INFO] [stdout]     |
[INFO] [stdout] 494 |         money!(1, "USD") - money!(1, "GBP");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.61s
[INFO] running `Command { std: "docker" "inspect" "be5b2370da88072fcb295d226179e0b285b06316f6ae8d6e73511b30760f633b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be5b2370da88072fcb295d226179e0b285b06316f6ae8d6e73511b30760f633b", kill_on_drop: false }`
[INFO] [stdout] be5b2370da88072fcb295d226179e0b285b06316f6ae8d6e73511b30760f633b