[INFO] cloning repository https://github.com/chennyouneng2020/rust_tcp_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chennyouneng2020/rust_tcp_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchennyouneng2020%2Frust_tcp_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchennyouneng2020%2Frust_tcp_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82d3bda37ce4d59c22228f1a129c0b6dab4643f7
[INFO] checking chennyouneng2020/rust_tcp_server against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchennyouneng2020%2Frust_tcp_server" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chennyouneng2020/rust_tcp_server on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chennyouneng2020/rust_tcp_server
[INFO] finished tweaking git repo https://github.com/chennyouneng2020/rust_tcp_server
[INFO] tweaked toml for git repo https://github.com/chennyouneng2020/rust_tcp_server written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/chennyouneng2020/rust_tcp_server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42bc4fc9aec91f34259f2c3905e4dbbbe94c6aa444d69c679eb64ad16986909f
[INFO] running `Command { std: "docker" "start" "-a" "42bc4fc9aec91f34259f2c3905e4dbbbe94c6aa444d69c679eb64ad16986909f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42bc4fc9aec91f34259f2c3905e4dbbbe94c6aa444d69c679eb64ad16986909f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42bc4fc9aec91f34259f2c3905e4dbbbe94c6aa444d69c679eb64ad16986909f", kill_on_drop: false }`
[INFO] [stdout] 42bc4fc9aec91f34259f2c3905e4dbbbe94c6aa444d69c679eb64ad16986909f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41b50fc45feb5ebb60676a96b8431caeb95672c91997e65e5a4862d5c21b305e
[INFO] running `Command { std: "docker" "start" "-a" "41b50fc45feb5ebb60676a96b8431caeb95672c91997e65e5a4862d5c21b305e", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking tcp_server v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking tcp_server v0.1.0 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "41b50fc45feb5ebb60676a96b8431caeb95672c91997e65e5a4862d5c21b305e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41b50fc45feb5ebb60676a96b8431caeb95672c91997e65e5a4862d5c21b305e", kill_on_drop: false }`
[INFO] [stdout] 41b50fc45feb5ebb60676a96b8431caeb95672c91997e65e5a4862d5c21b305e