[INFO] fetching crate maplit 1.0.2...
[INFO] checking maplit-1.0.2 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate maplit 1.0.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate maplit 1.0.2 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate maplit 1.0.2
[INFO] finished tweaking crates.io crate maplit 1.0.2
[INFO] tweaked toml for crates.io crate maplit 1.0.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c206e65bcf228b37fe11508d15535d11a854404249de3db6ec966410413151a
[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" "8c206e65bcf228b37fe11508d15535d11a854404249de3db6ec966410413151a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c206e65bcf228b37fe11508d15535d11a854404249de3db6ec966410413151a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c206e65bcf228b37fe11508d15535d11a854404249de3db6ec966410413151a", kill_on_drop: false }`
[INFO] [stdout] 8c206e65bcf228b37fe11508d15535d11a854404249de3db6ec966410413151a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b2a7d8fc09608c9b37742d522cb558da42c6b9f83f74718a755eeb1b0819394
[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" "6b2a7d8fc09608c9b37742d522cb558da42c6b9f83f74718a755eeb1b0819394", kill_on_drop: false }`
[INFO] [stderr]     Checking maplit v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> tests/tests.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |     hashmap!{{1 + 2} => 1, (1 + 3) => {0 + 2}};
[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 method argument
[INFO] [stdout]   --> tests/tests.rs:13:39
[INFO] [stdout]    |
[INFO] [stdout] 13 |     hashmap!{{1 + 2} => 1, (1 + 3) => {0 + 2}};
[INFO] [stdout]    |                                       ^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> tests/tests.rs:29:14
[INFO] [stdout]    |
[INFO] [stdout] 29 |     hashset!{{1 + 1}, (2 + 1)};
[INFO] [stdout]    |              ^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "6b2a7d8fc09608c9b37742d522cb558da42c6b9f83f74718a755eeb1b0819394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b2a7d8fc09608c9b37742d522cb558da42c6b9f83f74718a755eeb1b0819394", kill_on_drop: false }`
[INFO] [stdout] 6b2a7d8fc09608c9b37742d522cb558da42c6b9f83f74718a755eeb1b0819394