[INFO] cloning repository https://github.com/pyro57/subdomain_ip_lister
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pyro57/subdomain_ip_lister" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpyro57%2Fsubdomain_ip_lister", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpyro57%2Fsubdomain_ip_lister'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 937cbd4aa7220043f58c1ce4f9a046e4dc37851d
[INFO] testing pyro57/subdomain_ip_lister against master#159ba8a92c9e2fa4121f106176309521f4af87e9+rustflags=-Copt-level=3 for pr-107051
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpyro57%2Fsubdomain_ip_lister" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pyro57/subdomain_ip_lister on toolchain 159ba8a92c9e2fa4121f106176309521f4af87e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pyro57/subdomain_ip_lister
[INFO] finished tweaking git repo https://github.com/pyro57/subdomain_ip_lister
[INFO] tweaked toml for git repo https://github.com/pyro57/subdomain_ip_lister written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pyro57/subdomain_ip_lister 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" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28b9a3ebe73cd8493c263ab21ff3761512e39b33c8c0112d91eb97f87a034019
[INFO] running `Command { std: "docker" "start" "-a" "28b9a3ebe73cd8493c263ab21ff3761512e39b33c8c0112d91eb97f87a034019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28b9a3ebe73cd8493c263ab21ff3761512e39b33c8c0112d91eb97f87a034019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28b9a3ebe73cd8493c263ab21ff3761512e39b33c8c0112d91eb97f87a034019", kill_on_drop: false }`
[INFO] [stdout] 28b9a3ebe73cd8493c263ab21ff3761512e39b33c8c0112d91eb97f87a034019
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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 -Copt-level=3" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b553b407b5ae192783da8ce185215c9739c1dc8a0aae5070a0c00ae394a3b9d5
[INFO] running `Command { std: "docker" "start" "-a" "b553b407b5ae192783da8ce185215c9739c1dc8a0aae5070a0c00ae394a3b9d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling subdomain_ip_lister v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let mut delin = &args[2];
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "b553b407b5ae192783da8ce185215c9739c1dc8a0aae5070a0c00ae394a3b9d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b553b407b5ae192783da8ce185215c9739c1dc8a0aae5070a0c00ae394a3b9d5", kill_on_drop: false }`
[INFO] [stdout] b553b407b5ae192783da8ce185215c9739c1dc8a0aae5070a0c00ae394a3b9d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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 -Copt-level=3" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8c8c9812ead0fd1cd4226b99b2dc56714314187438659fe151981e7036ddb71
[INFO] running `Command { std: "docker" "start" "-a" "e8c8c9812ead0fd1cd4226b99b2dc56714314187438659fe151981e7036ddb71", kill_on_drop: false }`
[INFO] [stderr]    Compiling subdomain_ip_lister v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let mut delin = &args[2];
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "e8c8c9812ead0fd1cd4226b99b2dc56714314187438659fe151981e7036ddb71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8c8c9812ead0fd1cd4226b99b2dc56714314187438659fe151981e7036ddb71", kill_on_drop: false }`
[INFO] [stdout] e8c8c9812ead0fd1cd4226b99b2dc56714314187438659fe151981e7036ddb71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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 -Copt-level=3" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 35ddac1fd0f8be90b434abbe46dd712dd93d86176d38e8895b9f6a30fe440894
[INFO] running `Command { std: "docker" "start" "-a" "35ddac1fd0f8be90b434abbe46dd712dd93d86176d38e8895b9f6a30fe440894", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |         let mut delin = &args[2];
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `subdomain_ip_lister` (bin "subdomain_ip_lister" test) generated 1 warning (run `cargo fix --bin "subdomain_ip_lister" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/subdomain_ip_lister-219376e314f75ea1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "35ddac1fd0f8be90b434abbe46dd712dd93d86176d38e8895b9f6a30fe440894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35ddac1fd0f8be90b434abbe46dd712dd93d86176d38e8895b9f6a30fe440894", kill_on_drop: false }`
[INFO] [stdout] 35ddac1fd0f8be90b434abbe46dd712dd93d86176d38e8895b9f6a30fe440894