[INFO] cloning repository https://github.com/lffg/mcproto
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lffg/mcproto" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flffg%2Fmcproto", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flffg%2Fmcproto'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0904207f853c49f43248d8aad395de1e0f6d251c
[INFO] building lffg/mcproto against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flffg%2Fmcproto" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/lffg/mcproto
[INFO] finished tweaking git repo https://github.com/lffg/mcproto
[INFO] tweaked toml for git repo https://github.com/lffg/mcproto written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lffg/mcproto on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lffg/mcproto already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63d2fcd9bd66db38664456228aa91e99f62fe854aa9c5c11a725d1a5277c369c
[INFO] running `Command { std: "docker" "start" "-a" "63d2fcd9bd66db38664456228aa91e99f62fe854aa9c5c11a725d1a5277c369c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63d2fcd9bd66db38664456228aa91e99f62fe854aa9c5c11a725d1a5277c369c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63d2fcd9bd66db38664456228aa91e99f62fe854aa9c5c11a725d1a5277c369c", kill_on_drop: false }`
[INFO] [stdout] 63d2fcd9bd66db38664456228aa91e99f62fe854aa9c5c11a725d1a5277c369c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 158c95c5a0be785cb3c6fbaa191e40baaa893a2c47e62339d7189f6ac00eca5f
[INFO] running `Command { std: "docker" "start" "-a" "158c95c5a0be785cb3c6fbaa191e40baaa893a2c47e62339d7189f6ac00eca5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling cc v1.0.104
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.4
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling tracing-error v0.2.0
[INFO] [stderr]    Compiling color-spantrace v0.2.1
[INFO] [stderr]    Compiling color-eyre v0.6.3
[INFO] [stderr]    Compiling mcproto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `decode` is never used
[INFO] [stdout]   --> src/proto/mod.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub trait Serde {
[INFO] [stdout]    |           ----- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn decode(src: &mut dyn Buf) -> Result<Self>
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Login` and `Transfer` are never constructed
[INFO] [stdout]   --> src/proto/handshake.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub enum NextState /* varint */ {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] 62 |     Status = 1,
[INFO] [stdout] 63 |     Login = 2,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 64 |     Transfer = 3,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NextState` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode` is never used
[INFO] [stdout]   --> src/proto/util/string.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn decode(src: &mut dyn Buf) -> Result<String> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode` is never used
[INFO] [stdout]   --> src/proto/util/varint.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn decode(src: &mut dyn Buf) -> u32 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.60s
[INFO] running `Command { std: "docker" "inspect" "158c95c5a0be785cb3c6fbaa191e40baaa893a2c47e62339d7189f6ac00eca5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "158c95c5a0be785cb3c6fbaa191e40baaa893a2c47e62339d7189f6ac00eca5f", kill_on_drop: false }`
[INFO] [stdout] 158c95c5a0be785cb3c6fbaa191e40baaa893a2c47e62339d7189f6ac00eca5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b968ca3d9121f74cb46dd0fc7d1f6f380bfb103c3b046d3a6acccde73f649a84
[INFO] running `Command { std: "docker" "start" "-a" "b968ca3d9121f74cb46dd0fc7d1f6f380bfb103c3b046d3a6acccde73f649a84", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcproto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `decode` is never used
[INFO] [stdout]   --> src/proto/mod.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub trait Serde {
[INFO] [stdout]    |           ----- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn decode(src: &mut dyn Buf) -> Result<Self>
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Login` and `Transfer` are never constructed
[INFO] [stdout]   --> src/proto/handshake.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub enum NextState /* varint */ {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] 62 |     Status = 1,
[INFO] [stdout] 63 |     Login = 2,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 64 |     Transfer = 3,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NextState` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "b968ca3d9121f74cb46dd0fc7d1f6f380bfb103c3b046d3a6acccde73f649a84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b968ca3d9121f74cb46dd0fc7d1f6f380bfb103c3b046d3a6acccde73f649a84", kill_on_drop: false }`
[INFO] [stdout] b968ca3d9121f74cb46dd0fc7d1f6f380bfb103c3b046d3a6acccde73f649a84