[INFO] fetching crate vmw_backdoor 0.2.1...
[INFO] crate vmw_backdoor 0.2.1 is already in cache
[INFO] crate vmw_backdoor 0.2.1 is already in cache
[INFO] crate vmw_backdoor 0.2.1 is already in cache
[INFO] crate vmw_backdoor 0.2.1 is already in cache
[INFO] crate vmw_backdoor 0.2.1 is already in cache
[INFO] crate vmw_backdoor 0.2.1 is already in cache
[INFO] crate vmw_backdoor 0.2.1 is already in cache
[INFO] crate vmw_backdoor 0.2.1 is already in cache
[INFO] crate vmw_backdoor 0.2.1 is already in cache
[INFO] crate vmw_backdoor 0.2.1 is already in cache
[INFO] crate vmw_backdoor 0.2.1 is already in cache
[INFO] crate vmw_backdoor 0.2.1 is already in cache
[INFO] crate vmw_backdoor 0.2.1 is already in cache
[INFO] crate vmw_backdoor 0.2.1 is already in cache
[INFO] checking vmw_backdoor-0.2.1 against master#ea6ab1bd845790fb31ba790d2c7aec898f89fe62 for pr-99880
[INFO] extracting crate vmw_backdoor 0.2.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate vmw_backdoor 0.2.1 on toolchain ea6ab1bd845790fb31ba790d2c7aec898f89fe62
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vmw_backdoor 0.2.1
[INFO] finished tweaking crates.io crate vmw_backdoor 0.2.1
[INFO] tweaked toml for crates.io crate vmw_backdoor 0.2.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate vmw_backdoor 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "metadata" "--no-deps" "--format-version=1", 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] a7d70f9298c8579dc77d4db1ca560a0cc76c48098c1c6136652437978e5d3834
[INFO] running `Command { std: "docker" "start" "-a" "a7d70f9298c8579dc77d4db1ca560a0cc76c48098c1c6136652437978e5d3834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7d70f9298c8579dc77d4db1ca560a0cc76c48098c1c6136652437978e5d3834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7d70f9298c8579dc77d4db1ca560a0cc76c48098c1c6136652437978e5d3834", kill_on_drop: false }`
[INFO] [stdout] a7d70f9298c8579dc77d4db1ca560a0cc76c48098c1c6136652437978e5d3834
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "check" "--frozen" "--all" "--all-targets" "--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] c392785a169606fcd1c3f36ecd0448f449f501da768ee64b912577818f52a8c4
[INFO] running `Command { std: "docker" "start" "-a" "c392785a169606fcd1c3f36ecd0448f449f501da768ee64b912577818f52a8c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling vmw_backdoor v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stdout] warning: field `guard` is never read
[INFO] [stdout]   --> src/erpc.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct EnhancedChan<'a> {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 28 |     guard: &'a mut BackdoorGuard,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `EnhancedChan` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `guard` is never read
[INFO] [stdout]   --> src/erpc.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct EnhancedChan<'a> {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 28 |     guard: &'a mut BackdoorGuard,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `EnhancedChan` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.78s
[INFO] running `Command { std: "docker" "inspect" "c392785a169606fcd1c3f36ecd0448f449f501da768ee64b912577818f52a8c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c392785a169606fcd1c3f36ecd0448f449f501da768ee64b912577818f52a8c4", kill_on_drop: false }`
[INFO] [stdout] c392785a169606fcd1c3f36ecd0448f449f501da768ee64b912577818f52a8c4