[INFO] fetching crate differential-dogs3 0.16.1...
[INFO] checking differential-dogs3-0.16.1 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate differential-dogs3 0.16.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate differential-dogs3 0.16.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate differential-dogs3 0.16.1
[INFO] tweaked toml for crates.io crate differential-dogs3 0.16.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate differential-dogs3 0.16.1 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate differential-dogs3 0.16.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec9110106026e36fd955a4ca17d2e62f323f49d74d3ee02cf1ec9ada5c7843c6
[INFO] running `Command { std: "docker" "start" "-a" "ec9110106026e36fd955a4ca17d2e62f323f49d74d3ee02cf1ec9ada5c7843c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec9110106026e36fd955a4ca17d2e62f323f49d74d3ee02cf1ec9ada5c7843c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec9110106026e36fd955a4ca17d2e62f323f49d74d3ee02cf1ec9ada5c7843c6", kill_on_drop: false }`
[INFO] [stdout] ec9110106026e36fd955a4ca17d2e62f323f49d74d3ee02cf1ec9ada5c7843c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94e61972c72b2c343ddad2e7555cb071f374f3477a7b34a86bd49a26f515b346
[INFO] running `Command { std: "docker" "start" "-a" "94e61972c72b2c343ddad2e7555cb071f374f3477a7b34a86bd49a26f515b346", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.97
[INFO] [stderr]     Checking timely_container v0.22.0
[INFO] [stderr]     Checking bytemuck v1.23.2
[INFO] [stderr]     Checking getopts v0.2.23
[INFO] [stderr]     Checking timely_bytes v0.22.0
[INFO] [stderr]     Checking columnation v0.1.0
[INFO] [stderr]     Checking memmap v0.5.2
[INFO] [stderr]     Checking timely_logging v0.22.0
[INFO] [stderr]     Checking graph_map v0.1.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling columnar_derive v0.10.1
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking columnar v0.10.1
[INFO] [stderr]     Checking timely_communication v0.22.0
[INFO] [stderr]     Checking timely v0.22.0
[INFO] [stderr]     Checking differential-dataflow v0.16.1
[INFO] [stderr]     Checking differential-dogs3 v0.16.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> examples/ngo.rs:31:97
[INFO] [stdout]    |
[INFO] [stdout] 31 | ...                   .flat_map(|node| graph.edges(node).iter().cloned().map(move |dst| ((node as u32, dst))))
[INFO] [stdout]    |                                                                                         ^                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 31 -                               .flat_map(|node| graph.edges(node).iter().cloned().map(move |dst| ((node as u32, dst))))
[INFO] [stdout] 31 +                               .flat_map(|node| graph.edges(node).iter().cloned().map(move |dst| (node as u32, dst)))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> examples/dogsdogsdogs.rs:26:97
[INFO] [stdout]    |
[INFO] [stdout] 26 | ...                   .flat_map(|node| graph.edges(node).iter().cloned().map(move |dst| ((node as u32, dst))))
[INFO] [stdout]    |                                                                                         ^                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -                               .flat_map(|node| graph.edges(node).iter().cloned().map(move |dst| ((node as u32, dst))))
[INFO] [stdout] 26 +                               .flat_map(|node| graph.edges(node).iter().cloned().map(move |dst| (node as u32, dst)))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.29s
[INFO] running `Command { std: "docker" "inspect" "94e61972c72b2c343ddad2e7555cb071f374f3477a7b34a86bd49a26f515b346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94e61972c72b2c343ddad2e7555cb071f374f3477a7b34a86bd49a26f515b346", kill_on_drop: false }`
[INFO] [stdout] 94e61972c72b2c343ddad2e7555cb071f374f3477a7b34a86bd49a26f515b346