[INFO] fetching crate facio 0.1.0...
[INFO] testing facio-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate facio 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate facio 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate facio 0.1.0
[INFO] finished tweaking crates.io crate facio 0.1.0
[INFO] tweaked toml for crates.io crate facio 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c55b7780d09cec044041ee6ea1dfed27c5419384b43debcaac68775502c6ce60
[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" "c55b7780d09cec044041ee6ea1dfed27c5419384b43debcaac68775502c6ce60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c55b7780d09cec044041ee6ea1dfed27c5419384b43debcaac68775502c6ce60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c55b7780d09cec044041ee6ea1dfed27c5419384b43debcaac68775502c6ce60", kill_on_drop: false }`
[INFO] [stdout] c55b7780d09cec044041ee6ea1dfed27c5419384b43debcaac68775502c6ce60
[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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] efda003dab3c00d8431769dc0b7b950a06846b4a69e571c181c0e6c8bcd83fa0
[INFO] running `Command { std: "docker" "start" "-a" "efda003dab3c00d8431769dc0b7b950a06846b4a69e571c181c0e6c8bcd83fa0", kill_on_drop: false }`
[INFO] [stderr]    Compiling facio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `Command { std: "docker" "inspect" "efda003dab3c00d8431769dc0b7b950a06846b4a69e571c181c0e6c8bcd83fa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efda003dab3c00d8431769dc0b7b950a06846b4a69e571c181c0e6c8bcd83fa0", kill_on_drop: false }`
[INFO] [stdout] efda003dab3c00d8431769dc0b7b950a06846b4a69e571c181c0e6c8bcd83fa0
[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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5717f9534fb92a1d0843a9e6cd9abf46b38777ba08b1cac797bc6b31a219213d
[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" "5717f9534fb92a1d0843a9e6cd9abf46b38777ba08b1cac797bc6b31a219213d", kill_on_drop: false }`
[INFO] [stderr]    Compiling facio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "5717f9534fb92a1d0843a9e6cd9abf46b38777ba08b1cac797bc6b31a219213d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5717f9534fb92a1d0843a9e6cd9abf46b38777ba08b1cac797bc6b31a219213d", kill_on_drop: false }`
[INFO] [stdout] 5717f9534fb92a1d0843a9e6cd9abf46b38777ba08b1cac797bc6b31a219213d
[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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 06f5e1c82f2cc570342b0aa98679010da12e69a8dd083232665373c1f997bae1
[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" "06f5e1c82f2cc570342b0aa98679010da12e69a8dd083232665373c1f997bae1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/facio-81d20713e4194fc2)
[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/facio-9b6c6687686f0a44)
[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]    Doc-tests facio
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - client (line 32) ... FAILED
[INFO] [stdout] test src/raw_packet.rs - raw_packet::RawPacket (line 21) ... ok
[INFO] [stdout] test src/raw_packet.rs - raw_packet::RawPacket::new_from_type (line 177) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - client (line 32) stdout ----
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:46:45
[INFO] [stdout]    |
[INFO] [stdout] 16 |      if let Some(s) = rcon.exec("/help").ok() {
[INFO] [stdout]    |  _____________________________________________^
[INFO] [stdout] 17 | |        println!("/help from server:\n{}", s);
[INFO] [stdout] 18 | |    } else {
[INFO] [stdout]    | |____^ expected enum `Result`, found `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<(), std::io::Error>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:48:11
[INFO] [stdout]    |
[INFO] [stdout] 18 |      } else {
[INFO] [stdout]    |  ___________^
[INFO] [stdout] 19 | |        println!("Error?");
[INFO] [stdout] 20 | |    }
[INFO] [stdout]    | |____^ expected enum `Result`, found `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<(), std::io::Error>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - client (line 32)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.24s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "06f5e1c82f2cc570342b0aa98679010da12e69a8dd083232665373c1f997bae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06f5e1c82f2cc570342b0aa98679010da12e69a8dd083232665373c1f997bae1", kill_on_drop: false }`
[INFO] [stdout] 06f5e1c82f2cc570342b0aa98679010da12e69a8dd083232665373c1f997bae1