[INFO] fetching crate udp_server 0.4.1...
[INFO] testing udp_server-0.4.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate udp_server 0.4.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate udp_server 0.4.1 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate udp_server 0.4.1
[INFO] finished tweaking crates.io crate udp_server 0.4.1
[INFO] tweaked toml for crates.io crate udp_server 0.4.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c59f424cb28e493bcec32bb08929611d56fd5e2180fe240a227e4ba7e8245735
[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" "c59f424cb28e493bcec32bb08929611d56fd5e2180fe240a227e4ba7e8245735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c59f424cb28e493bcec32bb08929611d56fd5e2180fe240a227e4ba7e8245735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c59f424cb28e493bcec32bb08929611d56fd5e2180fe240a227e4ba7e8245735", kill_on_drop: false }`
[INFO] [stdout] c59f424cb28e493bcec32bb08929611d56fd5e2180fe240a227e4ba7e8245735
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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] 4eef5872c7ecbcf688d53f5242d36aa4773f64191716c1817e5717d3dbd40c04
[INFO] running `Command { std: "docker" "start" "-a" "4eef5872c7ecbcf688d53f5242d36aa4773f64191716c1817e5717d3dbd40c04", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling futures-macro v0.3.18
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]    Compiling futures-executor v0.3.18
[INFO] [stderr]    Compiling futures v0.3.18
[INFO] [stderr]    Compiling udp_server v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.24s
[INFO] running `Command { std: "docker" "inspect" "4eef5872c7ecbcf688d53f5242d36aa4773f64191716c1817e5717d3dbd40c04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eef5872c7ecbcf688d53f5242d36aa4773f64191716c1817e5717d3dbd40c04", kill_on_drop: false }`
[INFO] [stdout] 4eef5872c7ecbcf688d53f5242d36aa4773f64191716c1817e5717d3dbd40c04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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] ac3312da72ad54fbef5d8f7893ad997ee5be482a2bf660e57cd5f15ec856d01f
[INFO] running `Command { std: "docker" "start" "-a" "ac3312da72ad54fbef5d8f7893ad997ee5be482a2bf660e57cd5f15ec856d01f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling udp_server v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.85s
[INFO] running `Command { std: "docker" "inspect" "ac3312da72ad54fbef5d8f7893ad997ee5be482a2bf660e57cd5f15ec856d01f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac3312da72ad54fbef5d8f7893ad997ee5be482a2bf660e57cd5f15ec856d01f", kill_on_drop: false }`
[INFO] [stdout] ac3312da72ad54fbef5d8f7893ad997ee5be482a2bf660e57cd5f15ec856d01f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1075ba41f120f3bc97aa76fd264f17eb2a0819acd45b7bb34210df78be7faac3
[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" "1075ba41f120f3bc97aa76fd264f17eb2a0819acd45b7bb34210df78be7faac3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/udp_server-560f3243c4a3059d)
[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 tests/udp.rs (/opt/rustwide/target/debug/deps/udp-c796e9f3f2969597)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_udp_inner_server ... ok
[INFO] [stdout] test test_udp_new_server ... ok
[INFO] [stdout] test test_error - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests udp_server
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/udp_serv.rs - udp_serv::UdpServer (line 46) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.96s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1075ba41f120f3bc97aa76fd264f17eb2a0819acd45b7bb34210df78be7faac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1075ba41f120f3bc97aa76fd264f17eb2a0819acd45b7bb34210df78be7faac3", kill_on_drop: false }`
[INFO] [stdout] 1075ba41f120f3bc97aa76fd264f17eb2a0819acd45b7bb34210df78be7faac3