[INFO] fetching crate nftnl-rs 0.4.0...
[INFO] checking nftnl-rs-0.4.0 against try#44f3504e96c944ae54fc72b5f5008f53f7eda001 for pr-136776
[INFO] extracting crate nftnl-rs 0.4.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate nftnl-rs 0.4.0 on toolchain 44f3504e96c944ae54fc72b5f5008f53f7eda001
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nftnl-rs 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate nftnl-rs 0.4.0
[INFO] tweaked toml for crates.io crate nftnl-rs 0.4.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate nftnl-rs 0.4.0 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" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bee694b48ac5b6b720bf51894ca6d2eca523ed0c238a70f6911f5a241ff7a555
[INFO] running `Command { std: "docker" "start" "-a" "bee694b48ac5b6b720bf51894ca6d2eca523ed0c238a70f6911f5a241ff7a555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bee694b48ac5b6b720bf51894ca6d2eca523ed0c238a70f6911f5a241ff7a555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bee694b48ac5b6b720bf51894ca6d2eca523ed0c238a70f6911f5a241ff7a555", kill_on_drop: false }`
[INFO] [stdout] bee694b48ac5b6b720bf51894ca6d2eca523ed0c238a70f6911f5a241ff7a555
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc56ff5ed0893408a6a388dc8cff60bff428a0de5c6bd5ca26959d04d74429e9
[INFO] running `Command { std: "docker" "start" "-a" "cc56ff5ed0893408a6a388dc8cff60bff428a0de5c6bd5ca26959d04d74429e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking nftnl-rs v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `chain_id` is assigned to, but never used
[INFO] [stdout]    --> src/data_reg.rs:703:17
[INFO] [stdout]     |
[INFO] [stdout] 703 |         let mut chain_id: Option<u32> = None;
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_chain_id` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `chain_id` is never read
[INFO] [stdout]    --> src/data_reg.rs:728:21
[INFO] [stdout]     |
[INFO] [stdout] 728 |                     chain_id = Some(ntohl(data.mnl_attr_get_u32()?));
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `chain_id` is assigned to, but never used
[INFO] [stdout]    --> src/data_reg.rs:703:17
[INFO] [stdout]     |
[INFO] [stdout] 703 |         let mut chain_id: Option<u32> = None;
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_chain_id` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `chain_id` is never read
[INFO] [stdout]    --> src/data_reg.rs:728:21
[INFO] [stdout]     |
[INFO] [stdout] 728 |                     chain_id = Some(ntohl(data.mnl_attr_get_u32()?));
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MNL_SOCKET_AUTOPID`, `NETLINK_NETFILTER`, and `socket::MnlSocket`
[INFO] [stdout]   --> examples/nft_set_elem_add.rs:10:26
[INFO] [stdout]    |
[INFO] [stdout] 10 |         linux::{Nfproto, NETLINK_NETFILTER}, 
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 11 |         socket::MnlSocket, MNL_SOCKET_AUTOPID, 
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `socket::MnlSocket`
[INFO] [stdout]  --> examples/nft_set_elem_get.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         socket::MnlSocket
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `portid`
[INFO] [stdout]   --> examples/nft_set_elem_flush.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let portid = nl.mnl_socket_get_portid();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_portid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "cc56ff5ed0893408a6a388dc8cff60bff428a0de5c6bd5ca26959d04d74429e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc56ff5ed0893408a6a388dc8cff60bff428a0de5c6bd5ca26959d04d74429e9", kill_on_drop: false }`
[INFO] [stdout] cc56ff5ed0893408a6a388dc8cff60bff428a0de5c6bd5ca26959d04d74429e9