[INFO] fetching crate cool_asserts 1.0.2...
[INFO] checking cool_asserts-1.0.2 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate cool_asserts 1.0.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate cool_asserts 1.0.2 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cool_asserts 1.0.2
[INFO] finished tweaking crates.io crate cool_asserts 1.0.2
[INFO] tweaked toml for crates.io crate cool_asserts 1.0.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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] 58dbedd0a6913cf453f0d970bfda80c8b764d5b42c11aa2f7dbd569c05bc01b1
[INFO] running `Command { std: "docker" "start" "-a" "58dbedd0a6913cf453f0d970bfda80c8b764d5b42c11aa2f7dbd569c05bc01b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58dbedd0a6913cf453f0d970bfda80c8b764d5b42c11aa2f7dbd569c05bc01b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58dbedd0a6913cf453f0d970bfda80c8b764d5b42c11aa2f7dbd569c05bc01b1", kill_on_drop: false }`
[INFO] [stdout] 58dbedd0a6913cf453f0d970bfda80c8b764d5b42c11aa2f7dbd569c05bc01b1
[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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce02721f60ca88d0faffa182ee7a11da6f8785dca909cd3fc99d57b806a32177
[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" "ce02721f60ca88d0faffa182ee7a11da6f8785dca909cd3fc99d57b806a32177", kill_on_drop: false }`
[INFO] [stderr]     Checking cool_asserts v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> src/lib.rs:347:49
[INFO] [stdout]     |
[INFO] [stdout] 347 |             assert_matches!(TEST_VALUE, None => {panic!("Custom Panic")}),
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> src/lib.rs:359:65
[INFO] [stdout]     |
[INFO] [stdout] 359 |             assert_matches!(TEST_VALUE, Some(TestStruct{..}) => {panic!("Custom Panic")}),
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "ce02721f60ca88d0faffa182ee7a11da6f8785dca909cd3fc99d57b806a32177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce02721f60ca88d0faffa182ee7a11da6f8785dca909cd3fc99d57b806a32177", kill_on_drop: false }`
[INFO] [stdout] ce02721f60ca88d0faffa182ee7a11da6f8785dca909cd3fc99d57b806a32177