[INFO] cloning repository https://github.com/shiki-tak/introduction_to_network_programming_with_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shiki-tak/introduction_to_network_programming_with_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshiki-tak%2Fintroduction_to_network_programming_with_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshiki-tak%2Fintroduction_to_network_programming_with_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30e4589e1678054762e39c70e8e4349fe3499ced
[INFO] building shiki-tak/introduction_to_network_programming_with_rust against master#ce36a966c79e109dabeef7a47fe68e5294c6d71e for pr-137044-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshiki-tak%2Fintroduction_to_network_programming_with_rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shiki-tak/introduction_to_network_programming_with_rust on toolchain ce36a966c79e109dabeef7a47fe68e5294c6d71e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shiki-tak/introduction_to_network_programming_with_rust
[INFO] finished tweaking git repo https://github.com/shiki-tak/introduction_to_network_programming_with_rust
[INFO] tweaked toml for git repo https://github.com/shiki-tak/introduction_to_network_programming_with_rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/shiki-tak/introduction_to_network_programming_with_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" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-xid v0.2.0
[INFO] [stderr]   Downloaded quote v1.0.6
[INFO] [stderr]   Downloaded failure_derive v0.1.8
[INFO] [stderr]   Downloaded failure v0.1.8
[INFO] [stderr]   Downloaded humantime v1.3.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.13
[INFO] [stderr]   Downloaded memchr v2.3.3
[INFO] [stderr]   Downloaded termcolor v1.1.0
[INFO] [stderr]   Downloaded env_logger v0.6.2
[INFO] [stderr]   Downloaded backtrace v0.3.48
[INFO] [stderr]   Downloaded addr2line v0.12.1
[INFO] [stderr]   Downloaded syn v1.0.23
[INFO] [stderr]   Downloaded proc-macro2 v1.0.13
[INFO] [stderr]   Downloaded aho-corasick v0.7.10
[INFO] [stderr]   Downloaded log v0.4.8
[INFO] [stderr]   Downloaded thread_local v1.0.1
[INFO] [stderr]   Downloaded object v0.19.0
[INFO] [stderr]   Downloaded rustc-demangle v0.1.16
[INFO] [stderr]   Downloaded synstructure v0.12.3
[INFO] [stderr]   Downloaded regex v1.3.7
[INFO] [stderr]   Downloaded regex-syntax v0.6.17
[INFO] [stderr]   Downloaded libc v0.2.70
[INFO] [stderr]   Downloaded gimli v0.21.0
[INFO] [stderr]   Downloaded winapi v0.3.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb592b5ca8de6c7e925601e640780522b29af247cf44f45f6fdbfc8df6cb7f0a
[INFO] running `Command { std: "docker" "start" "-a" "bb592b5ca8de6c7e925601e640780522b29af247cf44f45f6fdbfc8df6cb7f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb592b5ca8de6c7e925601e640780522b29af247cf44f45f6fdbfc8df6cb7f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb592b5ca8de6c7e925601e640780522b29af247cf44f45f6fdbfc8df6cb7f0a", kill_on_drop: false }`
[INFO] [stdout] bb592b5ca8de6c7e925601e640780522b29af247cf44f45f6fdbfc8df6cb7f0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 648003946fc637050e23ec1b0b948dd2a28526b32fce3355f53099eeea6a49f9
[INFO] running `Command { std: "docker" "start" "-a" "648003946fc637050e23ec1b0b948dd2a28526b32fce3355f53099eeea6a49f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling object v0.19.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling addr2line v0.12.1
[INFO] [stderr]    Compiling backtrace v0.3.48
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling socket-programming v0.1.0 (/opt/rustwide/workdir/socket-programming)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.99s
[INFO] running `Command { std: "docker" "inspect" "648003946fc637050e23ec1b0b948dd2a28526b32fce3355f53099eeea6a49f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "648003946fc637050e23ec1b0b948dd2a28526b32fce3355f53099eeea6a49f9", kill_on_drop: false }`
[INFO] [stdout] 648003946fc637050e23ec1b0b948dd2a28526b32fce3355f53099eeea6a49f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1b6222c49caa0dfd48245278e2b829a99096c4aa4d2d2e38f981d314590b5de
[INFO] running `Command { std: "docker" "start" "-a" "e1b6222c49caa0dfd48245278e2b829a99096c4aa4d2d2e38f981d314590b5de", kill_on_drop: false }`
[INFO] [stderr]    Compiling socket-programming v0.1.0 (/opt/rustwide/workdir/socket-programming)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "e1b6222c49caa0dfd48245278e2b829a99096c4aa4d2d2e38f981d314590b5de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1b6222c49caa0dfd48245278e2b829a99096c4aa4d2d2e38f981d314590b5de", kill_on_drop: false }`
[INFO] [stdout] e1b6222c49caa0dfd48245278e2b829a99096c4aa4d2d2e38f981d314590b5de