[INFO] cloning repository https://github.com/hiroshimashu/simple-tcp-udp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hiroshimashu/simple-tcp-udp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiroshimashu%2Fsimple-tcp-udp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiroshimashu%2Fsimple-tcp-udp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6798236fb4375eb37e69398c208de2c4681cf9b0 [INFO] testing hiroshimashu/simple-tcp-udp against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiroshimashu%2Fsimple-tcp-udp" "/workspace/builds/worker-69/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-69/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hiroshimashu/simple-tcp-udp on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hiroshimashu/simple-tcp-udp [INFO] finished tweaking git repo https://github.com/hiroshimashu/simple-tcp-udp [INFO] tweaked toml for git repo https://github.com/hiroshimashu/simple-tcp-udp written to /workspace/builds/worker-69/source/Cargo.toml [INFO] crate git repo https://github.com/hiroshimashu/simple-tcp-udp already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 73c51c61303f7f9f7528764df2b908bbec9b0b9afcaa5b3736c9218f257a87fb [INFO] running `Command { std: "docker" "start" "-a" "73c51c61303f7f9f7528764df2b908bbec9b0b9afcaa5b3736c9218f257a87fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "73c51c61303f7f9f7528764df2b908bbec9b0b9afcaa5b3736c9218f257a87fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73c51c61303f7f9f7528764df2b908bbec9b0b9afcaa5b3736c9218f257a87fb", kill_on_drop: false }` [INFO] [stdout] 73c51c61303f7f9f7528764df2b908bbec9b0b9afcaa5b3736c9218f257a87fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c6f31df833ee244b175c76c053091c0519af4d8d8dec82e2f2d58fb9c0739679 [INFO] running `Command { std: "docker" "start" "-a" "c6f31df833ee244b175c76c053091c0519af4d8d8dec82e2f2d58fb9c0739679", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling syn v1.0.44 [INFO] [stderr] Compiling gimli v0.22.0 [INFO] [stderr] Compiling adler v0.2.3 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling regex-syntax v0.6.20 [INFO] [stderr] Compiling rustc-demangle v0.1.17 [INFO] [stderr] Compiling object v0.21.1 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling termcolor v1.1.0 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling addr2line v0.13.0 [INFO] [stderr] Compiling aho-corasick v0.7.14 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling backtrace v0.3.53 [INFO] [stderr] Compiling regex v1.4.1 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling network_programming_in_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/tcp_client.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn main() {} [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/tcp_server.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn main() {} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/udp_client.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn main() {} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/udp_server.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn main() {} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 13s [INFO] running `Command { std: "docker" "inspect" "c6f31df833ee244b175c76c053091c0519af4d8d8dec82e2f2d58fb9c0739679", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6f31df833ee244b175c76c053091c0519af4d8d8dec82e2f2d58fb9c0739679", kill_on_drop: false }` [INFO] [stdout] c6f31df833ee244b175c76c053091c0519af4d8d8dec82e2f2d58fb9c0739679 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 94feca0b9176e4531fadb95273e073ab7d3292e309191d3ce10048c16663774c [INFO] running `Command { std: "docker" "start" "-a" "94feca0b9176e4531fadb95273e073ab7d3292e309191d3ce10048c16663774c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling network_programming_in_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/tcp_client.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn main() {} [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/tcp_server.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn main() {} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/udp_client.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn main() {} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/udp_server.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn main() {} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.63s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/network_programming_in_rust-73b665a36755d8ab) [INFO] running `Command { std: "docker" "inspect" "94feca0b9176e4531fadb95273e073ab7d3292e309191d3ce10048c16663774c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94feca0b9176e4531fadb95273e073ab7d3292e309191d3ce10048c16663774c", kill_on_drop: false }` [INFO] [stdout] 94feca0b9176e4531fadb95273e073ab7d3292e309191d3ce10048c16663774c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 273f58d9420b3ecc16150ce00dafc3759592cf62ac54d66b0cf928d6e1cacaad [INFO] running `Command { std: "docker" "start" "-a" "273f58d9420b3ecc16150ce00dafc3759592cf62ac54d66b0cf928d6e1cacaad", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/tcp_client.rs:1:4 [INFO] [stderr] | [INFO] [stderr] 1 | fn main() {} [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/tcp_server.rs:1:4 [INFO] [stderr] | [INFO] [stderr] 1 | fn main() {} [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/udp_client.rs:1:4 [INFO] [stderr] | [INFO] [stderr] 1 | fn main() {} [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/udp_server.rs:1:4 [INFO] [stderr] | [INFO] [stderr] 1 | fn main() {} [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: `network_programming_in_rust` (bin "network_programming_in_rust" test) generated 6 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/network_programming_in_rust-73b665a36755d8ab) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "273f58d9420b3ecc16150ce00dafc3759592cf62ac54d66b0cf928d6e1cacaad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "273f58d9420b3ecc16150ce00dafc3759592cf62ac54d66b0cf928d6e1cacaad", kill_on_drop: false }` [INFO] [stdout] 273f58d9420b3ecc16150ce00dafc3759592cf62ac54d66b0cf928d6e1cacaad