[INFO] fetching crate wireguard-tools-rs 0.1.0...
[INFO] checking wireguard-tools-rs-0.1.0 against try#169954edd744527414c631e9af1bbdc537b0cdf2 for pr-75192
[INFO] extracting crate wireguard-tools-rs 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate wireguard-tools-rs 0.1.0 on toolchain 169954edd744527414c631e9af1bbdc537b0cdf2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wireguard-tools-rs 0.1.0
[INFO] finished tweaking crates.io crate wireguard-tools-rs 0.1.0
[INFO] tweaked toml for crates.io crate wireguard-tools-rs 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clang-sys v0.29.3
[INFO] [stderr]   Downloaded bindgen v0.53.3
[INFO] [stderr]   Downloaded sudo v0.3.1
[INFO] [stderr]   Downloaded nom v5.1.2
[INFO] [stderr]   Downloaded which v3.1.1
[INFO] [stderr]   Downloaded cexpr v0.4.0
[INFO] [stderr]   Downloaded libsodium-sys v0.2.6
[INFO] [stderr]   Downloaded netns v0.1.0
[INFO] [stderr]   Downloaded sodiumoxide v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dde70e47149151b3045d319b2e6b6263a2bd6e579722895cb7350aafde0b3c6b
[INFO] running `Command { std: "docker" "start" "-a" "dde70e47149151b3045d319b2e6b6263a2bd6e579722895cb7350aafde0b3c6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dde70e47149151b3045d319b2e6b6263a2bd6e579722895cb7350aafde0b3c6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dde70e47149151b3045d319b2e6b6263a2bd6e579722895cb7350aafde0b3c6b", kill_on_drop: false }`
[INFO] [stdout] dde70e47149151b3045d319b2e6b6263a2bd6e579722895cb7350aafde0b3c6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c77bdc1dfb0881c465a45befaa1c4f60e9b4c7aa670fe38c02d8482889ef8e7f
[INFO] running `Command { std: "docker" "start" "-a" "c77bdc1dfb0881c465a45befaa1c4f60e9b4c7aa670fe38c02d8482889ef8e7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling libsodium-sys v0.2.6
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking nix v0.8.1
[INFO] [stderr]     Checking sudo v0.3.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]     Checking netns v0.1.0
[INFO] [stderr]    Compiling bindgen v0.53.3
[INFO] [stderr]    Compiling wireguard-tools-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: src/wireguard.c: In function 'mnl_cb_noop':
[INFO] [stderr] warning: src/wireguard.c:444:47: warning: unused parameter 'nlh' [-Wunused-parameter]
[INFO] [stderr] warning:   444 | static int mnl_cb_noop(const struct nlmsghdr *nlh, void *data)
[INFO] [stderr] warning:       |                        ~~~~~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: src/wireguard.c:444:58: warning: unused parameter 'data' [-Wunused-parameter]
[INFO] [stderr] warning:   444 | static int mnl_cb_noop(const struct nlmsghdr *nlh, void *data)
[INFO] [stderr] warning:       |                                                    ~~~~~~^~~~
[INFO] [stderr] warning: src/wireguard.c: In function 'mnl_cb_error':
[INFO] [stderr] warning: src/wireguard.c:449:59: warning: unused parameter 'data' [-Wunused-parameter]
[INFO] [stderr] warning:   449 | static int mnl_cb_error(const struct nlmsghdr *nlh, void *data)
[INFO] [stderr] warning:       |                                                     ~~~~~~^~~~
[INFO] [stderr] warning: src/wireguard.c: In function 'mnl_cb_stop':
[INFO] [stderr] warning: src/wireguard.c:466:47: warning: unused parameter 'nlh' [-Wunused-parameter]
[INFO] [stderr] warning:   466 | static int mnl_cb_stop(const struct nlmsghdr *nlh, void *data)
[INFO] [stderr] warning:       |                        ~~~~~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: src/wireguard.c:466:58: warning: unused parameter 'data' [-Wunused-parameter]
[INFO] [stderr] warning:   466 | static int mnl_cb_stop(const struct nlmsghdr *nlh, void *data)
[INFO] [stderr] warning:       |                                                    ~~~~~~^~~~
[INFO] [stderr]     Checking sodiumoxide v0.2.6
[INFO] [stdout] warning: unused variable: `wg`
[INFO] [stdout]   --> src/tests.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let wg = Device::add("test_wg0").unwrap();
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_wg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 42s
[INFO] running `Command { std: "docker" "inspect" "c77bdc1dfb0881c465a45befaa1c4f60e9b4c7aa670fe38c02d8482889ef8e7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c77bdc1dfb0881c465a45befaa1c4f60e9b4c7aa670fe38c02d8482889ef8e7f", kill_on_drop: false }`
[INFO] [stdout] c77bdc1dfb0881c465a45befaa1c4f60e9b4c7aa670fe38c02d8482889ef8e7f