[INFO] fetching crate linkspeedtest 0.1.5...
[INFO] testing linkspeedtest-0.1.5 against 1.60.0 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 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2dcaf3a47a863beb7a77b28314f31fe2e0f448c2d2c2950803f953b063ef3a16
[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" "2dcaf3a47a863beb7a77b28314f31fe2e0f448c2d2c2950803f953b063ef3a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dcaf3a47a863beb7a77b28314f31fe2e0f448c2d2c2950803f953b063ef3a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dcaf3a47a863beb7a77b28314f31fe2e0f448c2d2c2950803f953b063ef3a16", kill_on_drop: false }`
[INFO] [stdout] 2dcaf3a47a863beb7a77b28314f31fe2e0f448c2d2c2950803f953b063ef3a16
[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" "+1.60.0" "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] db5664444c5c0d583df96140c17ea708cd45c371789df6729827422a94f9ceae
[INFO] running `Command { std: "docker" "start" "-a" "db5664444c5c0d583df96140c17ea708cd45c371789df6729827422a94f9ceae", 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.74s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "db5664444c5c0d583df96140c17ea708cd45c371789df6729827422a94f9ceae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db5664444c5c0d583df96140c17ea708cd45c371789df6729827422a94f9ceae", kill_on_drop: false }`
[INFO] [stdout] db5664444c5c0d583df96140c17ea708cd45c371789df6729827422a94f9ceae
[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" "+1.60.0" "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] 4d9537afeb9503b728ecef821a6dc0a61444ce227617640cbaec79b370fdb4b9
[INFO] running `Command { std: "docker" "start" "-a" "4d9537afeb9503b728ecef821a6dc0a61444ce227617640cbaec79b370fdb4b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling linkspeedtest v0.1.5 (/opt/rustwide/workdir)
[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: 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: 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 1.40s
[INFO] running `Command { std: "docker" "inspect" "4d9537afeb9503b728ecef821a6dc0a61444ce227617640cbaec79b370fdb4b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d9537afeb9503b728ecef821a6dc0a61444ce227617640cbaec79b370fdb4b9", kill_on_drop: false }`
[INFO] [stdout] 4d9537afeb9503b728ecef821a6dc0a61444ce227617640cbaec79b370fdb4b9
[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" "+1.60.0" "test" "--frozen", 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] 305df6ecde5de35b2048d31773467abe2fb7b78252e9cf86ea026b9e489d7964
[INFO] running `Command { std: "docker" "start" "-a" "305df6ecde5de35b2048d31773467abe2fb7b78252e9cf86ea026b9e489d7964", kill_on_drop: false }`
[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] 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]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/speedtestclient-5ca8c71e1aa3b47e)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/speedtestserver-067cb2dcc3e3fd8c)
[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" "305df6ecde5de35b2048d31773467abe2fb7b78252e9cf86ea026b9e489d7964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "305df6ecde5de35b2048d31773467abe2fb7b78252e9cf86ea026b9e489d7964", kill_on_drop: false }`
[INFO] [stdout] 305df6ecde5de35b2048d31773467abe2fb7b78252e9cf86ea026b9e489d7964