[INFO] cloning repository https://github.com/ksk001100/black_hat_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ksk001100/black_hat_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fksk001100%2Fblack_hat_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fksk001100%2Fblack_hat_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c66548e8e2404864a1432c97e3b6af6f86ff0a8a
[INFO] building ksk001100/black_hat_rust against master#f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9 for pr-137044-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fksk001100%2Fblack_hat_rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ksk001100/black_hat_rust on toolchain f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ksk001100/black_hat_rust
[INFO] finished tweaking git repo https://github.com/ksk001100/black_hat_rust
[INFO] tweaked toml for git repo https://github.com/ksk001100/black_hat_rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ksk001100/black_hat_rust 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" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1001f1682b65fd5890671d9e155875495f83488ff8166cbba4e97dec4c93f796
[INFO] running `Command { std: "docker" "start" "-a" "1001f1682b65fd5890671d9e155875495f83488ff8166cbba4e97dec4c93f796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1001f1682b65fd5890671d9e155875495f83488ff8166cbba4e97dec4c93f796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1001f1682b65fd5890671d9e155875495f83488ff8166cbba4e97dec4c93f796", kill_on_drop: false }`
[INFO] [stdout] 1001f1682b65fd5890671d9e155875495f83488ff8166cbba4e97dec4c93f796
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dd13d78baac1b909a0d840e963aff3d2b14efae66fc821f1f08e43e7a364c06
[INFO] running `Command { std: "docker" "start" "-a" "9dd13d78baac1b909a0d840e963aff3d2b14efae66fc821f1f08e43e7a364c06", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp_proxy v0.1.0 (/opt/rustwide/workdir/tcp_proxy)
[INFO] [stderr]    Compiling tcp_port_scanner v0.1.0 (/opt/rustwide/workdir/tcp_port_scanner)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> tcp_proxy/src/main.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Read, Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "9dd13d78baac1b909a0d840e963aff3d2b14efae66fc821f1f08e43e7a364c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dd13d78baac1b909a0d840e963aff3d2b14efae66fc821f1f08e43e7a364c06", kill_on_drop: false }`
[INFO] [stdout] 9dd13d78baac1b909a0d840e963aff3d2b14efae66fc821f1f08e43e7a364c06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f2af2af1dd13f537cd1385630aa88676c668d5165ed1dfd443538bbb63bf07c
[INFO] running `Command { std: "docker" "start" "-a" "3f2af2af1dd13f537cd1385630aa88676c668d5165ed1dfd443538bbb63bf07c", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp_proxy v0.1.0 (/opt/rustwide/workdir/tcp_proxy)
[INFO] [stderr]    Compiling tcp_port_scanner v0.1.0 (/opt/rustwide/workdir/tcp_port_scanner)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> tcp_proxy/src/main.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Read, Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "3f2af2af1dd13f537cd1385630aa88676c668d5165ed1dfd443538bbb63bf07c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f2af2af1dd13f537cd1385630aa88676c668d5165ed1dfd443538bbb63bf07c", kill_on_drop: false }`
[INFO] [stdout] 3f2af2af1dd13f537cd1385630aa88676c668d5165ed1dfd443538bbb63bf07c