[INFO] updating cached repository https://github.com/latte488/fast
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b608199a0ffb5cab6c8328a55469f466e3db48e5
[INFO] testing latte488/fast against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flatte488%2Ffast" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/latte488/fast on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/latte488/fast
[INFO] finished tweaking git repo https://github.com/latte488/fast
[INFO] tweaked toml for git repo https://github.com/latte488/fast written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/latte488/fast already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d8f926c4fefa69fd2f039d455f9b4c7e12234f755d113d04070c3c3728a32b2
[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" "7d8f926c4fefa69fd2f039d455f9b4c7e12234f755d113d04070c3c3728a32b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d8f926c4fefa69fd2f039d455f9b4c7e12234f755d113d04070c3c3728a32b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d8f926c4fefa69fd2f039d455f9b4c7e12234f755d113d04070c3c3728a32b2", kill_on_drop: false }`
[INFO] [stdout] 7d8f926c4fefa69fd2f039d455f9b4c7e12234f755d113d04070c3c3728a32b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b26a429b86fb135c2d9279eff61ea45781e52477691b54a17beda5c098ffad2
[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" "0b26a429b86fb135c2d9279eff61ea45781e52477691b54a17beda5c098ffad2", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling socket v0.0.7
[INFO] [stderr]    Compiling fast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `udp`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let udp = fast::socket::Udp::new();
[INFO] [stdout]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_udp`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` 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 7.07s
[INFO] running `Command { std: "docker" "inspect" "0b26a429b86fb135c2d9279eff61ea45781e52477691b54a17beda5c098ffad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b26a429b86fb135c2d9279eff61ea45781e52477691b54a17beda5c098ffad2", kill_on_drop: false }`
[INFO] [stdout] 0b26a429b86fb135c2d9279eff61ea45781e52477691b54a17beda5c098ffad2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d15bbe79542d7a0b5d3f3b402be9dcd9672969a436b63dc157078e0d698f149
[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" "2d15bbe79542d7a0b5d3f3b402be9dcd9672969a436b63dc157078e0d698f149", kill_on_drop: false }`
[INFO] [stderr]    Compiling fast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `udp`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let udp = fast::socket::Udp::new();
[INFO] [stdout]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_udp`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` 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 1.10s
[INFO] running `Command { std: "docker" "inspect" "2d15bbe79542d7a0b5d3f3b402be9dcd9672969a436b63dc157078e0d698f149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d15bbe79542d7a0b5d3f3b402be9dcd9672969a436b63dc157078e0d698f149", kill_on_drop: false }`
[INFO] [stdout] 2d15bbe79542d7a0b5d3f3b402be9dcd9672969a436b63dc157078e0d698f149
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d511f8939d9de10d58006ee2930a13e5c4a0c1c370c51ada82adffc32c8a3964
[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" "d511f8939d9de10d58006ee2930a13e5c4a0c1c370c51ada82adffc32c8a3964", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `udp`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:4:9
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 4 |     let udp = fast::socket::Udp::new();
[INFO] [stdout] 
[INFO] [stderr]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_udp`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fast-40c9396ed0990ac5
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fast-a6424f053e02e648
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fast
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d511f8939d9de10d58006ee2930a13e5c4a0c1c370c51ada82adffc32c8a3964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d511f8939d9de10d58006ee2930a13e5c4a0c1c370c51ada82adffc32c8a3964", kill_on_drop: false }`
[INFO] [stdout] d511f8939d9de10d58006ee2930a13e5c4a0c1c370c51ada82adffc32c8a3964