[INFO] fetching crate port_sniffer_justice 0.1.0...
[INFO] building port_sniffer_justice-0.1.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate port_sniffer_justice 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate port_sniffer_justice 0.1.0
[INFO] finished tweaking crates.io crate port_sniffer_justice 0.1.0
[INFO] tweaked toml for crates.io crate port_sniffer_justice 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate port_sniffer_justice 0.1.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate port_sniffer_justice 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f659b57eb51c05c666bc90370cc444dffa8b460c9741f0a21ef970e078929b0
[INFO] running `Command { std: "docker" "start" "-a" "8f659b57eb51c05c666bc90370cc444dffa8b460c9741f0a21ef970e078929b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f659b57eb51c05c666bc90370cc444dffa8b460c9741f0a21ef970e078929b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f659b57eb51c05c666bc90370cc444dffa8b460c9741f0a21ef970e078929b0", kill_on_drop: false }`
[INFO] [stdout] 8f659b57eb51c05c666bc90370cc444dffa8b460c9741f0a21ef970e078929b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab0500bf0a8688d9ee293e846d23f5635fd475a95b15b76172332e6e2d86cc8a
[INFO] running `Command { std: "docker" "start" "-a" "ab0500bf0a8688d9ee293e846d23f5635fd475a95b15b76172332e6e2d86cc8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling crossterm v0.19.0
[INFO] [stderr]    Compiling colour v0.6.0
[INFO] [stderr]    Compiling port_sniffer_justice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `flag` is never read
[INFO] [stdout]   --> src/main.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | struct Arguments {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 62 |     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 4.38s
[INFO] running `Command { std: "docker" "inspect" "ab0500bf0a8688d9ee293e846d23f5635fd475a95b15b76172332e6e2d86cc8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab0500bf0a8688d9ee293e846d23f5635fd475a95b15b76172332e6e2d86cc8a", kill_on_drop: false }`
[INFO] [stdout] ab0500bf0a8688d9ee293e846d23f5635fd475a95b15b76172332e6e2d86cc8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65a1bf877f6703524ef238c48f19073c6d67a5c7ba898dc99114fcf1012fef23
[INFO] running `Command { std: "docker" "start" "-a" "65a1bf877f6703524ef238c48f19073c6d67a5c7ba898dc99114fcf1012fef23", kill_on_drop: false }`
[INFO] [stderr]    Compiling port_sniffer_justice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `flag` is never read
[INFO] [stdout]   --> src/main.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | struct Arguments {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 62 |     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 0.52s
[INFO] running `Command { std: "docker" "inspect" "65a1bf877f6703524ef238c48f19073c6d67a5c7ba898dc99114fcf1012fef23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65a1bf877f6703524ef238c48f19073c6d67a5c7ba898dc99114fcf1012fef23", kill_on_drop: false }`
[INFO] [stdout] 65a1bf877f6703524ef238c48f19073c6d67a5c7ba898dc99114fcf1012fef23