[INFO] fetching crate merkle-heapless 0.0.7...
[INFO] checking merkle-heapless-0.0.7 against master#61cc47e367d7be91e13bcd01e4e96e0e233d4f6d for pr-133502-17
[INFO] extracting crate merkle-heapless 0.0.7 into /workspace/builds/worker-3-tc1/source
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate merkle-heapless 0.0.7
[INFO] finished tweaking crates.io crate merkle-heapless 0.0.7
[INFO] tweaked toml for crates.io crate merkle-heapless 0.0.7 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate merkle-heapless 0.0.7 on toolchain 61cc47e367d7be91e13bcd01e4e96e0e233d4f6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mmr-macro v0.0.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 554da6221674337f8d92ee066ad3f0d52561bd1a66d1003cbefdd6579a2ebd38
[INFO] running `Command { std: "docker" "start" "-a" "554da6221674337f8d92ee066ad3f0d52561bd1a66d1003cbefdd6579a2ebd38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "554da6221674337f8d92ee066ad3f0d52561bd1a66d1003cbefdd6579a2ebd38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "554da6221674337f8d92ee066ad3f0d52561bd1a66d1003cbefdd6579a2ebd38", kill_on_drop: false }`
[INFO] [stdout] 554da6221674337f8d92ee066ad3f0d52561bd1a66d1003cbefdd6579a2ebd38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87e94d14f8c2fbae3ea4be6dc5b03ab3f4d31f21ca5fee2030e5e740ab5f564c
[INFO] running `Command { std: "docker" "start" "-a" "87e94d14f8c2fbae3ea4be6dc5b03ab3f4d31f21ca5fee2030e5e740ab5f564c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling mmr-macro v0.0.7
[INFO] [stderr]     Checking merkle-heapless v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/compactable.rs:104:35
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 .filter(|&(_, h)| (h != &default_hash))
[INFO] [stdout]     |                                   ^                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 104 -                 .filter(|&(_, h)| (h != &default_hash))
[INFO] [stdout] 104 +                 .filter(|&(_, h)| h != &default_hash)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/compactable.rs:104:35
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 .filter(|&(_, h)| (h != &default_hash))
[INFO] [stdout]     |                                   ^                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 104 -                 .filter(|&(_, h)| (h != &default_hash))
[INFO] [stdout] 104 +                 .filter(|&(_, h)| h != &default_hash)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `Command { std: "docker" "inspect" "87e94d14f8c2fbae3ea4be6dc5b03ab3f4d31f21ca5fee2030e5e740ab5f564c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87e94d14f8c2fbae3ea4be6dc5b03ab3f4d31f21ca5fee2030e5e740ab5f564c", kill_on_drop: false }`
[INFO] [stdout] 87e94d14f8c2fbae3ea4be6dc5b03ab3f4d31f21ca5fee2030e5e740ab5f564c
