[INFO] cloning repository https://github.com/Jack-Sim/rust_port_scanner [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jack-Sim/rust_port_scanner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJack-Sim%2Frust_port_scanner", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJack-Sim%2Frust_port_scanner'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e0109d5c98a3330521b3ec49a4d3dd4e393994b2 [INFO] building Jack-Sim/rust_port_scanner against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJack-Sim%2Frust_port_scanner" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Jack-Sim/rust_port_scanner on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Jack-Sim/rust_port_scanner [INFO] finished tweaking git repo https://github.com/Jack-Sim/rust_port_scanner [INFO] tweaked toml for git repo https://github.com/Jack-Sim/rust_port_scanner written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Jack-Sim/rust_port_scanner 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1bf54dd6408d17716296b2378f03dbef23eb09045d2f1ae55bdfb8b6e452cfd7 [INFO] running `Command { std: "docker" "start" "-a" "1bf54dd6408d17716296b2378f03dbef23eb09045d2f1ae55bdfb8b6e452cfd7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1bf54dd6408d17716296b2378f03dbef23eb09045d2f1ae55bdfb8b6e452cfd7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1bf54dd6408d17716296b2378f03dbef23eb09045d2f1ae55bdfb8b6e452cfd7", kill_on_drop: false }` [INFO] [stdout] 1bf54dd6408d17716296b2378f03dbef23eb09045d2f1ae55bdfb8b6e452cfd7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 897fe27b769be3cc053f92b754473b9b1f2662e7a81382b2c358d771c28afb6c [INFO] running `Command { std: "docker" "start" "-a" "897fe27b769be3cc053f92b754473b9b1f2662e7a81382b2c358d771c28afb6c", kill_on_drop: false }` [INFO] [stderr] Compiling ip_sniffer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `threads` [INFO] [stdout] --> src/main.rs:96:29 [INFO] [stdout] | [INFO] [stdout] 96 | let threads = match args[2].parse::(){ [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_threads` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `threads` [INFO] [stdout] --> src/main.rs:102:29 [INFO] [stdout] | [INFO] [stdout] 102 | let threads = match args[2].parse::(){ [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_threads` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ports` [INFO] [stdout] --> src/main.rs:108:29 [INFO] [stdout] | [INFO] [stdout] 108 | let ports = match args[2].parse::(){ [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_ports` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ports` [INFO] [stdout] --> src/main.rs:114:29 [INFO] [stdout] | [INFO] [stdout] 114 | let ports = match args[2].parse::(){ [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_ports` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:85:21 [INFO] [stdout] | [INFO] [stdout] 85 | let mut valid_flags: [String; 4] = ["-j".to_string(), "-threads".to_string(), "-p".to_string(), "-ports".to_string()]; [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: fields `flag1` and `flag2` are never read [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 13 | struct Arguments { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 14 | flag1: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 15 | flag2: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `Command { std: "docker" "inspect" "897fe27b769be3cc053f92b754473b9b1f2662e7a81382b2c358d771c28afb6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "897fe27b769be3cc053f92b754473b9b1f2662e7a81382b2c358d771c28afb6c", kill_on_drop: false }` [INFO] [stdout] 897fe27b769be3cc053f92b754473b9b1f2662e7a81382b2c358d771c28afb6c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 181f63c1cebf39017d7a867504a7d39472509724e98763e0883aab7f7c211568 [INFO] running `Command { std: "docker" "start" "-a" "181f63c1cebf39017d7a867504a7d39472509724e98763e0883aab7f7c211568", kill_on_drop: false }` [INFO] [stderr] Compiling ip_sniffer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `threads` [INFO] [stdout] --> src/main.rs:96:29 [INFO] [stdout] | [INFO] [stdout] 96 | let threads = match args[2].parse::(){ [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_threads` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `threads` [INFO] [stdout] --> src/main.rs:102:29 [INFO] [stdout] | [INFO] [stdout] 102 | let threads = match args[2].parse::(){ [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_threads` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ports` [INFO] [stdout] --> src/main.rs:108:29 [INFO] [stdout] | [INFO] [stdout] 108 | let ports = match args[2].parse::(){ [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_ports` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ports` [INFO] [stdout] --> src/main.rs:114:29 [INFO] [stdout] | [INFO] [stdout] 114 | let ports = match args[2].parse::(){ [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_ports` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:85:21 [INFO] [stdout] | [INFO] [stdout] 85 | let mut valid_flags: [String; 4] = ["-j".to_string(), "-threads".to_string(), "-p".to_string(), "-ports".to_string()]; [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: fields `flag1` and `flag2` are never read [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 13 | struct Arguments { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 14 | flag1: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 15 | flag2: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s [INFO] running `Command { std: "docker" "inspect" "181f63c1cebf39017d7a867504a7d39472509724e98763e0883aab7f7c211568", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "181f63c1cebf39017d7a867504a7d39472509724e98763e0883aab7f7c211568", kill_on_drop: false }` [INFO] [stdout] 181f63c1cebf39017d7a867504a7d39472509724e98763e0883aab7f7c211568