[INFO] fetching crate prometheus_wireguard_exporter 3.6.1...
[INFO] testing prometheus_wireguard_exporter-3.6.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate prometheus_wireguard_exporter 3.6.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate prometheus_wireguard_exporter 3.6.1 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/.cargo/config.toml
[INFO] started tweaking crates.io crate prometheus_wireguard_exporter 3.6.1
[INFO] finished tweaking crates.io crate prometheus_wireguard_exporter 3.6.1
[INFO] tweaked toml for crates.io crate prometheus_wireguard_exporter 3.6.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate prometheus_wireguard_exporter 3.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded thiserror-impl v1.0.29
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38ba2385e3ccb57c38329c4eb9a4dc1e9a5fcfb32a7665f941bebd4502ae46e7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "38ba2385e3ccb57c38329c4eb9a4dc1e9a5fcfb32a7665f941bebd4502ae46e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38ba2385e3ccb57c38329c4eb9a4dc1e9a5fcfb32a7665f941bebd4502ae46e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38ba2385e3ccb57c38329c4eb9a4dc1e9a5fcfb32a7665f941bebd4502ae46e7", kill_on_drop: false }`
[INFO] [stdout] 38ba2385e3ccb57c38329c4eb9a4dc1e9a5fcfb32a7665f941bebd4502ae46e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--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] 21d5f95ff41f3030c7e54d9fbcf94b89a0eb257994759397d5abe297f97630c3
[INFO] running `Command { std: "docker" "start" "-a" "21d5f95ff41f3030c7e54d9fbcf94b89a0eb257994759397d5abe297f97630c3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling http-body v0.4.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling ct-logs v0.8.0
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling rustls-native-certs v0.5.0
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling tokio-rustls v0.22.0
[INFO] [stderr]    Compiling hyper v0.14.12
[INFO] [stderr]    Compiling hyper-rustls v0.22.1
[INFO] [stderr]    Compiling prometheus_exporter_base v1.3.0
[INFO] [stderr]    Compiling prometheus_wireguard_exporter v3.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `public_key`
[INFO] [stdout]   --> src/wireguard.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub public_key: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `private_key`
[INFO] [stdout]   --> src/wireguard.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub private_key: SecureString,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `local_port`
[INFO] [stdout]   --> src/wireguard.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub local_port: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `persistent_keepalive`
[INFO] [stdout]   --> src/wireguard.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub persistent_keepalive: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `persistent_keepalive`
[INFO] [stdout]   --> src/wireguard.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub persistent_keepalive: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `allowed_ips`
[INFO] [stdout]   --> src/wireguard_config.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub allowed_ips: &'a str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 48s
[INFO] running `Command { std: "docker" "inspect" "21d5f95ff41f3030c7e54d9fbcf94b89a0eb257994759397d5abe297f97630c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21d5f95ff41f3030c7e54d9fbcf94b89a0eb257994759397d5abe297f97630c3", kill_on_drop: false }`
[INFO] [stdout] 21d5f95ff41f3030c7e54d9fbcf94b89a0eb257994759397d5abe297f97630c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d64feb0e67b56c0259f37d8cdfa5b7d7f19e6f0be05f92b45441ec137d0c7bce
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d64feb0e67b56c0259f37d8cdfa5b7d7f19e6f0be05f92b45441ec137d0c7bce", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: prometheus_wireguard_exporter v3.6.1 (/opt/rustwide/workdir) ignoring invalid dependency `clippy` which is missing a lib target
[INFO] [stderr]    Compiling prometheus_wireguard_exporter v3.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `public_key`
[INFO] [stdout]   --> src/wireguard.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub public_key: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `private_key`
[INFO] [stdout]   --> src/wireguard.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub private_key: SecureString,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `local_port`
[INFO] [stdout]   --> src/wireguard.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub local_port: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `persistent_keepalive`
[INFO] [stdout]   --> src/wireguard.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub persistent_keepalive: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `persistent_keepalive`
[INFO] [stdout]   --> src/wireguard.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub persistent_keepalive: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.29s
[INFO] running `Command { std: "docker" "inspect" "d64feb0e67b56c0259f37d8cdfa5b7d7f19e6f0be05f92b45441ec137d0c7bce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d64feb0e67b56c0259f37d8cdfa5b7d7f19e6f0be05f92b45441ec137d0c7bce", kill_on_drop: false }`
[INFO] [stdout] d64feb0e67b56c0259f37d8cdfa5b7d7f19e6f0be05f92b45441ec137d0c7bce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 16c6ccd5d7986a9416175640e863c266d5629c161ce3af6f723946c39126471e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "16c6ccd5d7986a9416175640e863c266d5629c161ce3af6f723946c39126471e", kill_on_drop: false }`
[INFO] [stderr] warning: prometheus_wireguard_exporter v3.6.1 (/opt/rustwide/workdir) ignoring invalid dependency `clippy` which is missing a lib target
[INFO] [stderr] warning: field is never read: `public_key`
[INFO] [stderr]   --> src/wireguard.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub public_key: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `private_key`
[INFO] [stderr]   --> src/wireguard.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub private_key: SecureString,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `local_port`
[INFO] [stderr]   --> src/wireguard.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub local_port: u16,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `persistent_keepalive`
[INFO] [stderr]   --> src/wireguard.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub persistent_keepalive: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `persistent_keepalive`
[INFO] [stderr]   --> src/wireguard.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub persistent_keepalive: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `prometheus_wireguard_exporter` (bin "prometheus_wireguard_exporter" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prometheus_wireguard_exporter-a6ca94db4707eb1d)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test wireguard::tests::test_parse ... ok
[INFO] [stdout] test friendly_description::tests::test_escape_friendly_name ... ok
[INFO] [stdout] test friendly_description::tests::test_no_escape_friendly_name ... ok
[INFO] [stdout] test wireguard_config::tests::test_from_pound_line_to_key_value ... ok
[INFO] [stdout] test wireguard_config::tests::test_parse_friendly_description_name ... ok
[INFO] [stdout] test wireguard_config::tests::test_parse_friendly_description_json ... ok
[INFO] [stdout] test wireguard::tests::test_parse_and_serialize ... ok
[INFO] [stdout] test wireguard::tests::test_render_to_prometheus_simple ... ok
[INFO] [stdout] test wireguard::tests::test_render_to_prometheus_complex ... ok
[INFO] [stdout] test wireguard_config::tests::test_parse_ok ... ok
[INFO] [stdout] test wireguard::tests::test_parse_issue_19 ... ok
[INFO] [stdout] test wireguard_config::tests::test_parse_no_public_key - should panic ... ok
[INFO] [stdout] test wireguard_config::tests::test_parse_no_allowed_ips - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "16c6ccd5d7986a9416175640e863c266d5629c161ce3af6f723946c39126471e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16c6ccd5d7986a9416175640e863c266d5629c161ce3af6f723946c39126471e", kill_on_drop: false }`
[INFO] [stdout] 16c6ccd5d7986a9416175640e863c266d5629c161ce3af6f723946c39126471e