[INFO] cloning repository https://github.com/horup/ruststatetest-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/horup/ruststatetest-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhorup%2Fruststatetest-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhorup%2Fruststatetest-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3dee392bed65ba2b690dce3aaf25a7537dc41f3
[INFO] checking horup/ruststatetest-rs against master#9bfa31f632912180dc742809bcc51a97f2d7079d for pr-140151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhorup%2Fruststatetest-rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/horup/ruststatetest-rs on toolchain 9bfa31f632912180dc742809bcc51a97f2d7079d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/horup/ruststatetest-rs
[INFO] finished tweaking git repo https://github.com/horup/ruststatetest-rs
[INFO] tweaked toml for git repo https://github.com/horup/ruststatetest-rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/horup/ruststatetest-rs 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" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6bb02dc15b05de3af3d438f6e0f2a3452f1c23a26b77be82ad164a42c211b74
[INFO] running `Command { std: "docker" "start" "-a" "b6bb02dc15b05de3af3d438f6e0f2a3452f1c23a26b77be82ad164a42c211b74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6bb02dc15b05de3af3d438f6e0f2a3452f1c23a26b77be82ad164a42c211b74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6bb02dc15b05de3af3d438f6e0f2a3452f1c23a26b77be82ad164a42c211b74", kill_on_drop: false }`
[INFO] [stdout] b6bb02dc15b05de3af3d438f6e0f2a3452f1c23a26b77be82ad164a42c211b74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87c3453cb7a15d96e533d4cfd56e2543d1a97c96d294b8ded23f1cda32fa0014
[INFO] running `Command { std: "docker" "start" "-a" "87c3453cb7a15d96e533d4cfd56e2543d1a97c96d294b8ded23f1cda32fa0014", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking gamestate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `core::num::<impl u16>::to_be_bytes` that must be used
[INFO] [stdout]   --> src/state/entity.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         self.generation.to_be_bytes();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this returns the result of the operation, without modifying the original
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let _ = self.generation.to_be_bytes();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::num::<impl u16>::to_be_bytes` that must be used
[INFO] [stdout]   --> src/state/entity.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         self.generation.to_be_bytes();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this returns the result of the operation, without modifying the original
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let _ = self.generation.to_be_bytes();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "87c3453cb7a15d96e533d4cfd56e2543d1a97c96d294b8ded23f1cda32fa0014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87c3453cb7a15d96e533d4cfd56e2543d1a97c96d294b8ded23f1cda32fa0014", kill_on_drop: false }`
[INFO] [stdout] 87c3453cb7a15d96e533d4cfd56e2543d1a97c96d294b8ded23f1cda32fa0014
