[INFO] fetching crate cool_asserts 1.0.2...
[INFO] checking cool_asserts-1.0.2 against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] extracting crate cool_asserts 1.0.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate cool_asserts 1.0.2 on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00358b9aecce81205032e9899878e857bd47ae601b16b82bdbffb3c9f3e0787d
[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" "00358b9aecce81205032e9899878e857bd47ae601b16b82bdbffb3c9f3e0787d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00358b9aecce81205032e9899878e857bd47ae601b16b82bdbffb3c9f3e0787d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00358b9aecce81205032e9899878e857bd47ae601b16b82bdbffb3c9f3e0787d", kill_on_drop: false }`
[INFO] [stdout] 00358b9aecce81205032e9899878e857bd47ae601b16b82bdbffb3c9f3e0787d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03646114bbe49387e446e6ef9b357786868c905cd9592b22ff1509aa2db5bc7c
[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" "03646114bbe49387e446e6ef9b357786868c905cd9592b22ff1509aa2db5bc7c", 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 1.45s
[INFO] running `Command { std: "docker" "inspect" "03646114bbe49387e446e6ef9b357786868c905cd9592b22ff1509aa2db5bc7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03646114bbe49387e446e6ef9b357786868c905cd9592b22ff1509aa2db5bc7c", kill_on_drop: false }`
[INFO] [stdout] 03646114bbe49387e446e6ef9b357786868c905cd9592b22ff1509aa2db5bc7c