[INFO] cloning repository https://github.com/HomelessDinosaur/arpspoof
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HomelessDinosaur/arpspoof" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHomelessDinosaur%2Farpspoof", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHomelessDinosaur%2Farpspoof'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c71ecd6acfd2afe30d5867210af15317a273606
[INFO] checking HomelessDinosaur/arpspoof against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHomelessDinosaur%2Farpspoof" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/HomelessDinosaur/arpspoof
[INFO] finished tweaking git repo https://github.com/HomelessDinosaur/arpspoof
[INFO] tweaked toml for git repo https://github.com/HomelessDinosaur/arpspoof written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/HomelessDinosaur/arpspoof on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/HomelessDinosaur/arpspoof 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d79517cf8ad76ba948e89e231feccf8c03dcd4af9a2c90ea256deff06763d2f0
[INFO] running `Command { std: "docker" "start" "-a" "d79517cf8ad76ba948e89e231feccf8c03dcd4af9a2c90ea256deff06763d2f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d79517cf8ad76ba948e89e231feccf8c03dcd4af9a2c90ea256deff06763d2f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d79517cf8ad76ba948e89e231feccf8c03dcd4af9a2c90ea256deff06763d2f0", kill_on_drop: false }`
[INFO] [stdout] d79517cf8ad76ba948e89e231feccf8c03dcd4af9a2c90ea256deff06763d2f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99b776b38dda6e45ff2446dcfad02bbb4fc16b261706de4bfbdeced7b1d2b2c2
[INFO] running `Command { std: "docker" "start" "-a" "99b776b38dda6e45ff2446dcfad02bbb4fc16b261706de4bfbdeced7b1d2b2c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking pnet_base v0.29.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling pnet v0.29.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking pnet_macros_support v0.29.0
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]     Checking pnet_sys v0.29.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking ipnetwork v0.18.0
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]     Checking pnet_datalink v0.29.0
[INFO] [stderr]    Compiling pnet_macros v0.29.0
[INFO] [stderr]     Checking pnet_packet v0.29.0
[INFO] [stderr]     Checking clap v3.1.6
[INFO] [stderr]     Checking pnet_transport v0.29.0
[INFO] [stderr]     Checking arpspoof v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 | /     #[clap(short, long)]
[INFO] [stdout] 111 | |     victim_ip: String,
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 | /     #[clap(short, long)]
[INFO] [stdout] 111 | |     victim_ip: String,
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 | /     #[clap(short, long, default_value = "en0")]
[INFO] [stdout] 114 | |     iface_name: String,
[INFO] [stdout]     | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 | /     #[clap(short, long, default_value = "en0")]
[INFO] [stdout] 114 | |     iface_name: String,
[INFO] [stdout]     | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | /     #[clap(short, long, default_value = "192.168.20.1")]
[INFO] [stdout] 117 | |     gateway_ip: String,
[INFO] [stdout]     | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | /     #[clap(short, long, default_value = "192.168.20.1")]
[INFO] [stdout] 117 | |     gateway_ip: String,
[INFO] [stdout]     | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arpspoof` (bin "arpspoof") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `arpspoof` (bin "arpspoof" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "99b776b38dda6e45ff2446dcfad02bbb4fc16b261706de4bfbdeced7b1d2b2c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99b776b38dda6e45ff2446dcfad02bbb4fc16b261706de4bfbdeced7b1d2b2c2", kill_on_drop: false }`
[INFO] [stdout] 99b776b38dda6e45ff2446dcfad02bbb4fc16b261706de4bfbdeced7b1d2b2c2