[INFO] cloning repository https://github.com/DevinBayly/tcp_rust_for_td
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DevinBayly/tcp_rust_for_td" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevinBayly%2Ftcp_rust_for_td", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevinBayly%2Ftcp_rust_for_td'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca51087f73c2a9d33f5f2255fef6eb567e3022d2
[INFO] testing DevinBayly/tcp_rust_for_td against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevinBayly%2Ftcp_rust_for_td" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DevinBayly/tcp_rust_for_td on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DevinBayly/tcp_rust_for_td
[INFO] finished tweaking git repo https://github.com/DevinBayly/tcp_rust_for_td
[INFO] tweaked toml for git repo https://github.com/DevinBayly/tcp_rust_for_td written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/DevinBayly/tcp_rust_for_td already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 129156225e6136ca88f141754a8b1638ba69491fe36f65241c844b0ae45ef985
[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" "129156225e6136ca88f141754a8b1638ba69491fe36f65241c844b0ae45ef985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "129156225e6136ca88f141754a8b1638ba69491fe36f65241c844b0ae45ef985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "129156225e6136ca88f141754a8b1638ba69491fe36f65241c844b0ae45ef985", kill_on_drop: false }`
[INFO] [stdout] 129156225e6136ca88f141754a8b1638ba69491fe36f65241c844b0ae45ef985
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", 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] 5bf28cf89aced57278b83777e64e9080dd1f31a8d3ad26a02e1f3949aebae520
[INFO] running `Command { std: "docker" "start" "-a" "5bf28cf89aced57278b83777e64e9080dd1f31a8d3ad26a02e1f3949aebae520", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling tcp_test_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SystemTime`
[INFO] [stdout]  --> src/main.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::{Duration, SystemTime};
[INFO] [stdout]   |                           ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.45s
[INFO] running `Command { std: "docker" "inspect" "5bf28cf89aced57278b83777e64e9080dd1f31a8d3ad26a02e1f3949aebae520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bf28cf89aced57278b83777e64e9080dd1f31a8d3ad26a02e1f3949aebae520", kill_on_drop: false }`
[INFO] [stdout] 5bf28cf89aced57278b83777e64e9080dd1f31a8d3ad26a02e1f3949aebae520
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d27e5cf9c9cefe36336c2ecca02763dcd92dcf2cd20bd905e5f828a04ad0a19
[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" "4d27e5cf9c9cefe36336c2ecca02763dcd92dcf2cd20bd905e5f828a04ad0a19", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp_test_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SystemTime`
[INFO] [stdout]  --> src/main.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::{Duration, SystemTime};
[INFO] [stdout]   |                           ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "4d27e5cf9c9cefe36336c2ecca02763dcd92dcf2cd20bd905e5f828a04ad0a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d27e5cf9c9cefe36336c2ecca02763dcd92dcf2cd20bd905e5f828a04ad0a19", kill_on_drop: false }`
[INFO] [stdout] 4d27e5cf9c9cefe36336c2ecca02763dcd92dcf2cd20bd905e5f828a04ad0a19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 809a1b9d1a37ae82bdacad2dfa0fc1b64cae37ec18f0184143f4963fc3d26214
[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" "809a1b9d1a37ae82bdacad2dfa0fc1b64cae37ec18f0184143f4963fc3d26214", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `SystemTime`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:6:27
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 6 | use std::time::{Duration, SystemTime};
[INFO] [stdout] 
[INFO] [stderr]   |                           ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tcp_test_server` (bin "tcp_test_server" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tcp_test_server-c9fad799f637779f)
[INFO] running `Command { std: "docker" "inspect" "809a1b9d1a37ae82bdacad2dfa0fc1b64cae37ec18f0184143f4963fc3d26214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "809a1b9d1a37ae82bdacad2dfa0fc1b64cae37ec18f0184143f4963fc3d26214", kill_on_drop: false }`
[INFO] [stdout] 809a1b9d1a37ae82bdacad2dfa0fc1b64cae37ec18f0184143f4963fc3d26214