[INFO] fetching crate async-minecraft-ping 0.8.0...
[INFO] testing async-minecraft-ping-0.8.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate async-minecraft-ping 0.8.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate async-minecraft-ping 0.8.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-minecraft-ping 0.8.0
[INFO] finished tweaking crates.io crate async-minecraft-ping 0.8.0
[INFO] tweaked toml for crates.io crate async-minecraft-ping 0.8.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate async-minecraft-ping 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] 603cba762bee67b758cfa74e254754914ac54afc1928f24b28c65380b40ec97b
[INFO] running `Command { std: "docker" "start" "-a" "603cba762bee67b758cfa74e254754914ac54afc1928f24b28c65380b40ec97b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "603cba762bee67b758cfa74e254754914ac54afc1928f24b28c65380b40ec97b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "603cba762bee67b758cfa74e254754914ac54afc1928f24b28c65380b40ec97b", kill_on_drop: false }`
[INFO] [stdout] 603cba762bee67b758cfa74e254754914ac54afc1928f24b28c65380b40ec97b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 027556a1ad3009940fbfde8d5d3dcb7261e2d19f1b34f0bbc13b3a951ba2c481
[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" "027556a1ad3009940fbfde8d5d3dcb7261e2d19f1b34f0bbc13b3a951ba2c481", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.35
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling tokio v1.15.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling async-minecraft-ping v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `protocol_version`
[INFO] [stdout]    --> src/server.rs:225:5
[INFO] [stdout]     |
[INFO] [stdout] 225 |     protocol_version: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `address`
[INFO] [stdout]    --> src/server.rs:226:5
[INFO] [stdout]     |
[INFO] [stdout] 226 |     address: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `port`
[INFO] [stdout]    --> src/server.rs:227:5
[INFO] [stdout]     |
[INFO] [stdout] 227 |     port: u16,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.83s
[INFO] running `Command { std: "docker" "inspect" "027556a1ad3009940fbfde8d5d3dcb7261e2d19f1b34f0bbc13b3a951ba2c481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "027556a1ad3009940fbfde8d5d3dcb7261e2d19f1b34f0bbc13b3a951ba2c481", kill_on_drop: false }`
[INFO] [stdout] 027556a1ad3009940fbfde8d5d3dcb7261e2d19f1b34f0bbc13b3a951ba2c481
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] 23ab2f2b5ce76f2568866b242a78517e933d31d09fe9714c8320fa85b04932a5
[INFO] running `Command { std: "docker" "start" "-a" "23ab2f2b5ce76f2568866b242a78517e933d31d09fe9714c8320fa85b04932a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling tokio v1.15.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling structopt v0.3.25
[INFO] [stderr]    Compiling async-minecraft-ping v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `protocol_version`
[INFO] [stdout]    --> src/server.rs:225:5
[INFO] [stdout]     |
[INFO] [stdout] 225 |     protocol_version: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `address`
[INFO] [stdout]    --> src/server.rs:226:5
[INFO] [stdout]     |
[INFO] [stdout] 226 |     address: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `port`
[INFO] [stdout]    --> src/server.rs:227:5
[INFO] [stdout]     |
[INFO] [stdout] 227 |     port: u16,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `protocol_version`
[INFO] [stdout]    --> src/server.rs:225:5
[INFO] [stdout]     |
[INFO] [stdout] 225 |     protocol_version: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `address`
[INFO] [stdout]    --> src/server.rs:226:5
[INFO] [stdout]     |
[INFO] [stdout] 226 |     address: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `port`
[INFO] [stdout]    --> src/server.rs:227:5
[INFO] [stdout]     |
[INFO] [stdout] 227 |     port: u16,
[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 34.46s
[INFO] running `Command { std: "docker" "inspect" "23ab2f2b5ce76f2568866b242a78517e933d31d09fe9714c8320fa85b04932a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23ab2f2b5ce76f2568866b242a78517e933d31d09fe9714c8320fa85b04932a5", kill_on_drop: false }`
[INFO] [stdout] 23ab2f2b5ce76f2568866b242a78517e933d31d09fe9714c8320fa85b04932a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 18378ea64310156a3a4c07e3a4e980c6ecc55cc1a8af41a57d57784d3a43993e
[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" "18378ea64310156a3a4c07e3a4e980c6ecc55cc1a8af41a57d57784d3a43993e", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `protocol_version`
[INFO] [stderr]    --> src/server.rs:225:5
[INFO] [stderr]     |
[INFO] [stderr] 225 |     protocol_version: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `address`
[INFO] [stderr]    --> src/server.rs:226:5
[INFO] [stderr]     |
[INFO] [stderr] 226 |     address: String,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `port`
[INFO] [stderr]    --> src/server.rs:227:5
[INFO] [stderr]     |
[INFO] [stderr] 227 |     port: u16,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `async-minecraft-ping` (lib) generated 3 warnings
[INFO] [stderr] warning: `async-minecraft-ping` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_minecraft_ping-6f34b307f0f620b4)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests async-minecraft-ping
[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" "18378ea64310156a3a4c07e3a4e980c6ecc55cc1a8af41a57d57784d3a43993e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18378ea64310156a3a4c07e3a4e980c6ecc55cc1a8af41a57d57784d3a43993e", kill_on_drop: false }`
[INFO] [stdout] 18378ea64310156a3a4c07e3a4e980c6ecc55cc1a8af41a57d57784d3a43993e