[INFO] fetching crate merkle-heapless 0.0.7...
[INFO] checking merkle-heapless-0.0.7 against 656ccbe796ff98def9b555c118e1620c5389e3b2 for pr-133502-25
[INFO] extracting crate merkle-heapless 0.0.7 into /workspace/builds/worker-5-tc1/source
[INFO] removed /workspace/builds/worker-5-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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate merkle-heapless 0.0.7 on toolchain 656ccbe796ff98def9b555c118e1620c5389e3b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "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" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "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" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "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-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ad7f23459eee60521f6318daa04dbeeb97b8b762794e3bd25ecac3f4bfc7e407
[INFO] running `Command { std: "docker" "start" "ad7f23459eee60521f6318daa04dbeeb97b8b762794e3bd25ecac3f4bfc7e407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad7f23459eee60521f6318daa04dbeeb97b8b762794e3bd25ecac3f4bfc7e407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ad7f23459eee60521f6318daa04dbeeb97b8b762794e3bd25ecac3f4bfc7e407" "/opt/rustwide/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad7f23459eee60521f6318daa04dbeeb97b8b762794e3bd25ecac3f4bfc7e407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ad7f23459eee60521f6318daa04dbeeb97b8b762794e3bd25ecac3f4bfc7e407" "/opt/rustwide/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-segmentation v1.13.3
[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 7.13s
[INFO] running `Command { std: "docker" "inspect" "ad7f23459eee60521f6318daa04dbeeb97b8b762794e3bd25ecac3f4bfc7e407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad7f23459eee60521f6318daa04dbeeb97b8b762794e3bd25ecac3f4bfc7e407", kill_on_drop: false }`
[INFO] [stdout] ad7f23459eee60521f6318daa04dbeeb97b8b762794e3bd25ecac3f4bfc7e407