[INFO] fetching crate ports-sniffer 0.1.0...
[INFO] checking ports-sniffer-0.1.0 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate ports-sniffer 0.1.0 into /workspace/builds/worker-1-tc2/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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ports-sniffer 0.1.0 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b311ce565c4046e51e4fb35074f1638c54c16be82a517bfa591504e86c27cf51
[INFO] running `Command { std: "docker" "start" "-a" "b311ce565c4046e51e4fb35074f1638c54c16be82a517bfa591504e86c27cf51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b311ce565c4046e51e4fb35074f1638c54c16be82a517bfa591504e86c27cf51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b311ce565c4046e51e4fb35074f1638c54c16be82a517bfa591504e86c27cf51", kill_on_drop: false }`
[INFO] [stdout] b311ce565c4046e51e4fb35074f1638c54c16be82a517bfa591504e86c27cf51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3b5900c1fc40050b18ed944b17e09ec4b825f45e9cb3510f1e47ee9370236aa
[INFO] running `Command { std: "docker" "start" "-a" "c3b5900c1fc40050b18ed944b17e09ec4b825f45e9cb3510f1e47ee9370236aa", 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]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking neli v0.5.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.34
[INFO] [stderr]     Checking thiserror v1.0.34
[INFO] [stderr]     Checking local-ip-address v0.4.8
[INFO] [stderr]     Checking 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] [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 8.32s
[INFO] running `Command { std: "docker" "inspect" "c3b5900c1fc40050b18ed944b17e09ec4b825f45e9cb3510f1e47ee9370236aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3b5900c1fc40050b18ed944b17e09ec4b825f45e9cb3510f1e47ee9370236aa", kill_on_drop: false }`
[INFO] [stdout] c3b5900c1fc40050b18ed944b17e09ec4b825f45e9cb3510f1e47ee9370236aa