[INFO] fetching crate mcrcon 0.1.0...
[INFO] testing mcrcon-0.1.0 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate mcrcon 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate mcrcon 0.1.0
[INFO] finished tweaking crates.io crate mcrcon 0.1.0
[INFO] tweaked toml for crates.io crate mcrcon 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcrcon 0.1.0 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1f36b71b1d74aa615236073a628773316c3a79c0924cb88976ca18fece28c42
[INFO] running `Command { std: "docker" "start" "-a" "f1f36b71b1d74aa615236073a628773316c3a79c0924cb88976ca18fece28c42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1f36b71b1d74aa615236073a628773316c3a79c0924cb88976ca18fece28c42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1f36b71b1d74aa615236073a628773316c3a79c0924cb88976ca18fece28c42", kill_on_drop: false }`
[INFO] [stdout] f1f36b71b1d74aa615236073a628773316c3a79c0924cb88976ca18fece28c42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7daa246e43b8b6b77c5a92000e7bb3da4e25306876559068fd8a2b73801fb74b
[INFO] running `Command { std: "docker" "start" "-a" "7daa246e43b8b6b77c5a92000e7bb3da4e25306876559068fd8a2b73801fb74b", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcrcon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `AuthFail` and `Response` are never constructed
[INFO] [stdout]    --> src/lib.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | enum PacketType {
[INFO] [stdout]     |      ---------- variants in this enum
[INFO] [stdout] 117 |     /// Represents a packet received from the server after a Command packet is sent on a non-authenticated stream.
[INFO] [stdout] 118 |     AuthFail = -1,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 119 |     /// Represents a response packet received in response to a successfully executed Command packet.
[INFO] [stdout] 120 |     Response = 0,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "7daa246e43b8b6b77c5a92000e7bb3da4e25306876559068fd8a2b73801fb74b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7daa246e43b8b6b77c5a92000e7bb3da4e25306876559068fd8a2b73801fb74b", kill_on_drop: false }`
[INFO] [stdout] 7daa246e43b8b6b77c5a92000e7bb3da4e25306876559068fd8a2b73801fb74b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20078429e42fb8cbc69ac135eeaf6dd90e88ba5e5ae3cc343800bf1704d28448
[INFO] running `Command { std: "docker" "start" "-a" "20078429e42fb8cbc69ac135eeaf6dd90e88ba5e5ae3cc343800bf1704d28448", kill_on_drop: false }`
[INFO] [stdout] warning: variants `AuthFail` and `Response` are never constructed
[INFO] [stdout]    --> src/lib.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | enum PacketType {
[INFO] [stdout]     |      ---------- variants in this enum
[INFO] [stdout] 117 |     /// Represents a packet received from the server after a Command packet is sent on a non-authenticated stream.
[INFO] [stdout] 118 |     AuthFail = -1,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 119 |     /// Represents a response packet received in response to a successfully executed Command packet.
[INFO] [stdout] 120 |     Response = 0,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mcrcon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `AuthFail` and `Response` are never constructed
[INFO] [stdout]    --> src/lib.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | enum PacketType {
[INFO] [stdout]     |      ---------- variants in this enum
[INFO] [stdout] 117 |     /// Represents a packet received from the server after a Command packet is sent on a non-authenticated stream.
[INFO] [stdout] 118 |     AuthFail = -1,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 119 |     /// Represents a response packet received in response to a successfully executed Command packet.
[INFO] [stdout] 120 |     Response = 0,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "20078429e42fb8cbc69ac135eeaf6dd90e88ba5e5ae3cc343800bf1704d28448", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20078429e42fb8cbc69ac135eeaf6dd90e88ba5e5ae3cc343800bf1704d28448", kill_on_drop: false }`
[INFO] [stdout] 20078429e42fb8cbc69ac135eeaf6dd90e88ba5e5ae3cc343800bf1704d28448
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8d7057e361df4a729a362c228956a32f6d55dc16cc15af15d0d307d9995239f6
[INFO] running `Command { std: "docker" "start" "-a" "8d7057e361df4a729a362c228956a32f6d55dc16cc15af15d0d307d9995239f6", kill_on_drop: false }`
[INFO] [stderr] warning: variants `AuthFail` and `Response` are never constructed
[INFO] [stderr]    --> src/lib.rs:118:5
[INFO] [stderr]     |
[INFO] [stderr] 116 | enum PacketType {
[INFO] [stderr]     |      ---------- variants in this enum
[INFO] [stderr] 117 |     /// Represents a packet received from the server after a Command packet is sent on a non-authenticated stream.
[INFO] [stderr] 118 |     AuthFail = -1,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 119 |     /// Represents a response packet received in response to a successfully executed Command packet.
[INFO] [stderr] 120 |     Response = 0,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mcrcon` (lib) generated 1 warning
[INFO] [stderr] warning: `mcrcon` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcrcon-1e5426a1f24d5833)
[INFO] [stderr]    Doc-tests mcrcon
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 6) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 6) stdout ----
[INFO] [stdout] error[E0254]: the name `mcrcon` is defined multiple times
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate r#mcrcon;
[INFO] [stdout]   | ---------------------- previous import of the extern crate `mcrcon` here
[INFO] [stdout] 8 | use mcrcon;
[INFO] [stdout]   |     ^^^^^^ `mcrcon` reimported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `mcrcon` must be defined only once in the type namespace of this module
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for struct `TcpStream` in the current scope
[INFO] [stdout]   --> src/lib.rs:11:43
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut stream = std::net::TcpStream::new("localhost:25575")?;
[INFO] [stdout]    |                                           ^^^ function or associated item not found in `TcpStream`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `TcpStream` consider using one of the following associated functions:
[INFO] [stdout]       TcpStream::connect
[INFO] [stdout]       TcpStream::connect_timeout
[INFO] [stdout]   --> /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/net/tcp.rs:168:4
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn main() -> Result<(), mcrcon::RCONError> {
[INFO] [stdout]    |    ----      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Result<(), RCONError>`, found `()`
[INFO] [stdout]    |    |
[INFO] [stdout]    |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<(), RCONError>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0254, E0308, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0254`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 6)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "8d7057e361df4a729a362c228956a32f6d55dc16cc15af15d0d307d9995239f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d7057e361df4a729a362c228956a32f6d55dc16cc15af15d0d307d9995239f6", kill_on_drop: false }`
[INFO] [stdout] 8d7057e361df4a729a362c228956a32f6d55dc16cc15af15d0d307d9995239f6
