[INFO] fetching crate mcrcon 0.1.0...
[INFO] checking mcrcon-0.1.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate mcrcon 0.1.0 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcrcon 0.1.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 876f8944fcb346735f463e6137145fdd9d92f4bf72d06fd4e75ec9e98459c52d
[INFO] running `Command { std: "docker" "start" "-a" "876f8944fcb346735f463e6137145fdd9d92f4bf72d06fd4e75ec9e98459c52d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "876f8944fcb346735f463e6137145fdd9d92f4bf72d06fd4e75ec9e98459c52d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "876f8944fcb346735f463e6137145fdd9d92f4bf72d06fd4e75ec9e98459c52d", kill_on_drop: false }`
[INFO] [stdout] 876f8944fcb346735f463e6137145fdd9d92f4bf72d06fd4e75ec9e98459c52d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f837880414c3c0c6fc78a5d945192606698feb4df4666397dcdf37ec49e57410
[INFO] running `Command { std: "docker" "start" "-a" "f837880414c3c0c6fc78a5d945192606698feb4df4666397dcdf37ec49e57410", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.30s
[INFO] running `Command { std: "docker" "inspect" "f837880414c3c0c6fc78a5d945192606698feb4df4666397dcdf37ec49e57410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f837880414c3c0c6fc78a5d945192606698feb4df4666397dcdf37ec49e57410", kill_on_drop: false }`
[INFO] [stdout] f837880414c3c0c6fc78a5d945192606698feb4df4666397dcdf37ec49e57410