[INFO] cloning repository https://github.com/cheng404/simple-tcp-server-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cheng404/simple-tcp-server-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcheng404%2Fsimple-tcp-server-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcheng404%2Fsimple-tcp-server-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7871393efa99c8a85205340e69b3c7a6482279ec [INFO] testing cheng404/simple-tcp-server-rs against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcheng404%2Fsimple-tcp-server-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cheng404/simple-tcp-server-rs on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cheng404/simple-tcp-server-rs [INFO] finished tweaking git repo https://github.com/cheng404/simple-tcp-server-rs [INFO] tweaked toml for git repo https://github.com/cheng404/simple-tcp-server-rs written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/cheng404/simple-tcp-server-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5baf11708fdb93cbb9ccfef3f50e3ff93aecbe2b610f4ee612b4117c98ad321e [INFO] running `Command { std: "docker" "start" "-a" "5baf11708fdb93cbb9ccfef3f50e3ff93aecbe2b610f4ee612b4117c98ad321e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5baf11708fdb93cbb9ccfef3f50e3ff93aecbe2b610f4ee612b4117c98ad321e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5baf11708fdb93cbb9ccfef3f50e3ff93aecbe2b610f4ee612b4117c98ad321e", kill_on_drop: false }` [INFO] [stdout] 5baf11708fdb93cbb9ccfef3f50e3ff93aecbe2b610f4ee612b4117c98ad321e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6310973f8542b95e4c78bfb7b866dc0a0faafca16418d00fdb70c2710139625d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "6310973f8542b95e4c78bfb7b866dc0a0faafca16418d00fdb70c2710139625d", kill_on_drop: false }` [INFO] [stderr] Compiling simple-tcp-server-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant is never constructed: `Red` [INFO] [stdout] --> src/lesson4.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | Red, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Yellow` [INFO] [stdout] --> src/lesson4.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | Yellow, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Green` [INFO] [stdout] --> src/lesson4.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | Green [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `sum_numbers` [INFO] [stdout] --> src/lesson4.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn sum_numbers(numbers: &[u32]) -> Option { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print_sharp_area` [INFO] [stdout] --> src/lesson4.rs:83:4 [INFO] [stdout] | [INFO] [stdout] 83 | fn print_sharp_area(sharp: T) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.84s [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6310973f8542b95e4c78bfb7b866dc0a0faafca16418d00fdb70c2710139625d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6310973f8542b95e4c78bfb7b866dc0a0faafca16418d00fdb70c2710139625d", kill_on_drop: false }` [INFO] [stdout] 6310973f8542b95e4c78bfb7b866dc0a0faafca16418d00fdb70c2710139625d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 588aca0ba7ae3421111c17f34db71bb820acce223d7b9e5f1c2513261ca725d4 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "588aca0ba7ae3421111c17f34db71bb820acce223d7b9e5f1c2513261ca725d4", kill_on_drop: false }` [INFO] [stderr] Compiling simple-tcp-server-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant is never constructed: `Red` [INFO] [stdout] --> src/lesson4.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | Red, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Yellow` [INFO] [stdout] --> src/lesson4.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | Yellow, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Green` [INFO] [stdout] --> src/lesson4.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | Green [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.75s [INFO] running `Command { std: "docker" "inspect" "588aca0ba7ae3421111c17f34db71bb820acce223d7b9e5f1c2513261ca725d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "588aca0ba7ae3421111c17f34db71bb820acce223d7b9e5f1c2513261ca725d4", kill_on_drop: false }` [INFO] [stdout] 588aca0ba7ae3421111c17f34db71bb820acce223d7b9e5f1c2513261ca725d4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] bbb6623a415fdd2967f7e3e9cb1b18c33151808f3db188bdec1e9ee560d85898 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "bbb6623a415fdd2967f7e3e9cb1b18c33151808f3db188bdec1e9ee560d85898", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: variant is never constructed: `Red` [INFO] [stdout] running 2 tests [INFO] [stderr] --> src/lesson4.rs:5:5 [INFO] [stdout] test lesson4::test_print_sharp_area ... ok [INFO] [stderr] | [INFO] [stderr] 5 | Red, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Yellow` [INFO] [stderr] --> src/lesson4.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | Yellow, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Green` [INFO] [stderr] --> src/lesson4.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | Green [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `simple-tcp-server-rs` (bin "simple-tcp-server-rs" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/simple_tcp_server_rs-121038184b89a1d7) [INFO] [stdout] test lesson4::test_sum_numbers ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "bbb6623a415fdd2967f7e3e9cb1b18c33151808f3db188bdec1e9ee560d85898", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bbb6623a415fdd2967f7e3e9cb1b18c33151808f3db188bdec1e9ee560d85898", kill_on_drop: false }` [INFO] [stdout] bbb6623a415fdd2967f7e3e9cb1b18c33151808f3db188bdec1e9ee560d85898