[INFO] fetching crate linkspeedtest 0.1.5...
[INFO] testing linkspeedtest-0.1.5 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate linkspeedtest 0.1.5 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate linkspeedtest 0.1.5 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 crates.io crate linkspeedtest 0.1.5
[INFO] finished tweaking crates.io crate linkspeedtest 0.1.5
[INFO] tweaked toml for crates.io crate linkspeedtest 0.1.5 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate linkspeedtest 0.1.5 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] 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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] d34aa67f3305b779ad4bf08ebae0416f2d4f3dfae33db65a52f9f0525c4a605f
[INFO] running `Command { std: "docker" "start" "-a" "d34aa67f3305b779ad4bf08ebae0416f2d4f3dfae33db65a52f9f0525c4a605f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d34aa67f3305b779ad4bf08ebae0416f2d4f3dfae33db65a52f9f0525c4a605f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d34aa67f3305b779ad4bf08ebae0416f2d4f3dfae33db65a52f9f0525c4a605f", kill_on_drop: false }`
[INFO] [stdout] d34aa67f3305b779ad4bf08ebae0416f2d4f3dfae33db65a52f9f0525c4a605f
[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=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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 991abb23ae72553103cdc3b5a9c19609ffdd89daec6bb4b0f65c8330123ac182
[INFO] running `Command { std: "docker" "start" "-a" "991abb23ae72553103cdc3b5a9c19609ffdd89daec6bb4b0f65c8330123ac182", kill_on_drop: false }`
[INFO] [stderr]    Compiling linkspeedtest v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/server/main.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Read, Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Shutdown`, `Write`
[INFO] [stdout]  --> src/client/main.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 |     io::{Read, Write},
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout] 4 |     net::{TcpStream, Shutdown},
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "991abb23ae72553103cdc3b5a9c19609ffdd89daec6bb4b0f65c8330123ac182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "991abb23ae72553103cdc3b5a9c19609ffdd89daec6bb4b0f65c8330123ac182", kill_on_drop: false }`
[INFO] [stdout] 991abb23ae72553103cdc3b5a9c19609ffdd89daec6bb4b0f65c8330123ac182
[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=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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--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] 4d92b58bef308ac25d184bb983e245ba813974b634ca8f29fade3a3ed0febf04
[INFO] running `Command { std: "docker" "start" "-a" "4d92b58bef308ac25d184bb983e245ba813974b634ca8f29fade3a3ed0febf04", kill_on_drop: false }`
[INFO] [stderr]    Compiling linkspeedtest v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/server/main.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Read, Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Shutdown`, `Write`
[INFO] [stdout]  --> src/client/main.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 |     io::{Read, Write},
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout] 4 |     net::{TcpStream, Shutdown},
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.39s
[INFO] [stderr]   Executable unittests src/client/main.rs (/opt/rustwide/target/debug/deps/speedtestclient-b206f05aa4698e9f)
[INFO] [stderr]   Executable unittests src/server/main.rs (/opt/rustwide/target/debug/deps/speedtestserver-8715263e3b3d231e)
[INFO] running `Command { std: "docker" "inspect" "4d92b58bef308ac25d184bb983e245ba813974b634ca8f29fade3a3ed0febf04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d92b58bef308ac25d184bb983e245ba813974b634ca8f29fade3a3ed0febf04", kill_on_drop: false }`
[INFO] [stdout] 4d92b58bef308ac25d184bb983e245ba813974b634ca8f29fade3a3ed0febf04
[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=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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3adeebe59e78488c034ef817f38364112b66b8bba0875244b49385fa525f42fb
[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" "3adeebe59e78488c034ef817f38364112b66b8bba0875244b49385fa525f42fb", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/server/main.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{Read, Write};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `linkspeedtest` (bin "speedtestserver" test) generated 1 warning
[INFO] [stderr] warning: unused imports: `Shutdown`, `Write`
[INFO] [stderr]  --> src/client/main.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 |     io::{Read, Write},
[INFO] [stderr]   |                ^^^^^
[INFO] [stderr] 4 |     net::{TcpStream, Shutdown},
[INFO] [stderr]   |                      ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `linkspeedtest` (bin "speedtestclient" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/client/main.rs (/opt/rustwide/target/debug/deps/speedtestclient-b206f05aa4698e9f)
[INFO] [stderr]      Running unittests src/server/main.rs (/opt/rustwide/target/debug/deps/speedtestserver-8715263e3b3d231e)
[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] [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" "3adeebe59e78488c034ef817f38364112b66b8bba0875244b49385fa525f42fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3adeebe59e78488c034ef817f38364112b66b8bba0875244b49385fa525f42fb", kill_on_drop: false }`
[INFO] [stdout] 3adeebe59e78488c034ef817f38364112b66b8bba0875244b49385fa525f42fb