[INFO] fetching crate ports-sniffer 0.1.0...
[INFO] building ports-sniffer-0.1.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate ports-sniffer 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate ports-sniffer 0.1.0
[INFO] finished tweaking crates.io crate ports-sniffer 0.1.0
[INFO] tweaked toml for crates.io crate ports-sniffer 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ports-sniffer 0.1.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ports-sniffer 0.1.0 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded local-ip-address v0.4.8
[INFO] [stderr]   Downloaded thiserror-impl v1.0.34
[INFO] [stderr]   Downloaded unicode-ident v1.0.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.43
[INFO] [stderr]   Downloaded thiserror v1.0.34
[INFO] [stderr]   Downloaded syn v1.0.99
[INFO] [stderr]   Downloaded libc v0.2.132
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75151ced7d764366697e9fd457c50fe00eb62b093c78a9ac8f098ed3364da52e
[INFO] running `Command { std: "docker" "start" "-a" "75151ced7d764366697e9fd457c50fe00eb62b093c78a9ac8f098ed3364da52e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75151ced7d764366697e9fd457c50fe00eb62b093c78a9ac8f098ed3364da52e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75151ced7d764366697e9fd457c50fe00eb62b093c78a9ac8f098ed3364da52e", kill_on_drop: false }`
[INFO] [stdout] 75151ced7d764366697e9fd457c50fe00eb62b093c78a9ac8f098ed3364da52e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8ae5f826c5a33e2869842f6b1e9a406c3719703c5b45ae3e38f68120f75d617
[INFO] running `Command { std: "docker" "start" "-a" "c8ae5f826c5a33e2869842f6b1e9a406c3719703c5b45ae3e38f68120f75d617", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling neli v0.5.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.34
[INFO] [stderr]    Compiling thiserror v1.0.34
[INFO] [stderr]    Compiling local-ip-address v0.4.8
[INFO] [stderr]    Compiling ports-sniffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `flag` is never read
[INFO] [stdout]  --> src/arguments.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Arguments {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 6 |     pub flag: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.88s
[INFO] running `Command { std: "docker" "inspect" "c8ae5f826c5a33e2869842f6b1e9a406c3719703c5b45ae3e38f68120f75d617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8ae5f826c5a33e2869842f6b1e9a406c3719703c5b45ae3e38f68120f75d617", kill_on_drop: false }`
[INFO] [stdout] c8ae5f826c5a33e2869842f6b1e9a406c3719703c5b45ae3e38f68120f75d617
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb3f0f4505d35659a0d0436994ae47f11697e4bec056bd9abaf12fa2f3b6809f
[INFO] running `Command { std: "docker" "start" "-a" "cb3f0f4505d35659a0d0436994ae47f11697e4bec056bd9abaf12fa2f3b6809f", kill_on_drop: false }`
[INFO] [stderr]    Compiling ports-sniffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `flag` is never read
[INFO] [stdout]  --> src/arguments.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Arguments {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 6 |     pub flag: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "cb3f0f4505d35659a0d0436994ae47f11697e4bec056bd9abaf12fa2f3b6809f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb3f0f4505d35659a0d0436994ae47f11697e4bec056bd9abaf12fa2f3b6809f", kill_on_drop: false }`
[INFO] [stdout] cb3f0f4505d35659a0d0436994ae47f11697e4bec056bd9abaf12fa2f3b6809f