[INFO] cloning repository https://github.com/sasadla/rust_get_machine_ip
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sasadla/rust_get_machine_ip" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsasadla%2Frust_get_machine_ip", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsasadla%2Frust_get_machine_ip'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 203d5f31cd5bde20d66c1f4e8e7616c0a121cdeb
[INFO] checking sasadla/rust_get_machine_ip against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsasadla%2Frust_get_machine_ip" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sasadla/rust_get_machine_ip on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sasadla/rust_get_machine_ip
[INFO] finished tweaking git repo https://github.com/sasadla/rust_get_machine_ip
[INFO] tweaked toml for git repo https://github.com/sasadla/rust_get_machine_ip written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/sasadla/rust_get_machine_ip already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded machine-ip v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42abaaa90989b886d9a1bf7155f914fc418b2ececfcc62140910089ceb8f4a7f
[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" "42abaaa90989b886d9a1bf7155f914fc418b2ececfcc62140910089ceb8f4a7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42abaaa90989b886d9a1bf7155f914fc418b2ececfcc62140910089ceb8f4a7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42abaaa90989b886d9a1bf7155f914fc418b2ececfcc62140910089ceb8f4a7f", kill_on_drop: false }`
[INFO] [stdout] 42abaaa90989b886d9a1bf7155f914fc418b2ececfcc62140910089ceb8f4a7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 222eeb059a5e1357cbe4b43359f33b8a74ca774f713a50b071fc20469b22660e
[INFO] running `Command { std: "docker" "start" "-a" "222eeb059a5e1357cbe4b43359f33b8a74ca774f713a50b071fc20469b22660e", kill_on_drop: false }`
[INFO] [stderr]     Checking machine-ip v0.1.0
[INFO] [stderr]     Checking Get_machine_ip v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `Get_machine_ip` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `get_machine_ip`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Get_machine_ip` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `get_machine_ip`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "222eeb059a5e1357cbe4b43359f33b8a74ca774f713a50b071fc20469b22660e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "222eeb059a5e1357cbe4b43359f33b8a74ca774f713a50b071fc20469b22660e", kill_on_drop: false }`
[INFO] [stdout] 222eeb059a5e1357cbe4b43359f33b8a74ca774f713a50b071fc20469b22660e