[INFO] cloning repository https://github.com/0kalekale/ipaddr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0kalekale/ipaddr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0kalekale%2Fipaddr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0kalekale%2Fipaddr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c44f12e168277c6738fa467798a2734447e7616
[INFO] checking 0kalekale/ipaddr against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0kalekale%2Fipaddr" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0kalekale/ipaddr on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/0kalekale/ipaddr
[INFO] finished tweaking git repo https://github.com/0kalekale/ipaddr
[INFO] tweaked toml for git repo https://github.com/0kalekale/ipaddr written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/0kalekale/ipaddr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-macros v0.13.1
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.13.1
[INFO] [stderr]   Downloaded pyo3 v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8c881c5966c2f3ffa295ef77479d4105e822b5339fe2d05b595b2fecee4fdd2
[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" "d8c881c5966c2f3ffa295ef77479d4105e822b5339fe2d05b595b2fecee4fdd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8c881c5966c2f3ffa295ef77479d4105e822b5339fe2d05b595b2fecee4fdd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8c881c5966c2f3ffa295ef77479d4105e822b5339fe2d05b595b2fecee4fdd2", kill_on_drop: false }`
[INFO] [stdout] d8c881c5966c2f3ffa295ef77479d4105e822b5339fe2d05b595b2fecee4fdd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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] 3f087889ea97fdd5bf56cbbb78b2ad4cdadb6fc2304b79fa817803980bc5cee0
[INFO] running `Command { std: "docker" "start" "-a" "3f087889ea97fdd5bf56cbbb78b2ad4cdadb6fc2304b79fa817803980bc5cee0", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]    Compiling pyo3 v0.13.1
[INFO] [stderr]    Compiling paste v1.0.4
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling curl-sys v0.4.39+curl-7.74.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling pyo3-macros-backend v0.13.1
[INFO] [stderr]    Compiling inventory-impl v0.1.10
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling ctor v0.1.18
[INFO] [stderr]    Compiling pyo3-macros v0.13.1
[INFO] [stderr]     Checking ipaddr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut ret = _getip();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut ret = _getip();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `__pyo3_raw___getip` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn __getip() -> PyResult<String> {
[INFO] [stdout]    |    ^^^^^^^ help: convert the identifier to snake case: `__pyo3_raw_getip`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `__pyo3_get_function___getip` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn __getip() -> PyResult<String> {
[INFO] [stdout]    |    ^^^^^^^ help: convert the identifier to snake case: `__pyo3_get_function_getip`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `__pyo3_raw___getip` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn __getip() -> PyResult<String> {
[INFO] [stdout]    |    ^^^^^^^ help: convert the identifier to snake case: `__pyo3_raw_getip`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `__pyo3_get_function___getip` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn __getip() -> PyResult<String> {
[INFO] [stdout]    |    ^^^^^^^ help: convert the identifier to snake case: `__pyo3_get_function_getip`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "3f087889ea97fdd5bf56cbbb78b2ad4cdadb6fc2304b79fa817803980bc5cee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f087889ea97fdd5bf56cbbb78b2ad4cdadb6fc2304b79fa817803980bc5cee0", kill_on_drop: false }`
[INFO] [stdout] 3f087889ea97fdd5bf56cbbb78b2ad4cdadb6fc2304b79fa817803980bc5cee0