[INFO] fetching crate vmw_backdoor 0.2.1...
[INFO] testing vmw_backdoor-0.2.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate vmw_backdoor 0.2.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate vmw_backdoor 0.2.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-13/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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f160d0c9f760dec74d919c807c619c47144f86936c5fba44d398c5067fb60421
[INFO] running `Command { std: "docker" "start" "-a" "f160d0c9f760dec74d919c807c619c47144f86936c5fba44d398c5067fb60421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f160d0c9f760dec74d919c807c619c47144f86936c5fba44d398c5067fb60421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f160d0c9f760dec74d919c807c619c47144f86936c5fba44d398c5067fb60421", kill_on_drop: false }`
[INFO] [stdout] f160d0c9f760dec74d919c807c619c47144f86936c5fba44d398c5067fb60421
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40c5ff5107245d71c2219ff73597d203ea9ac13099b30bd30180a92689969ece
[INFO] running `Command { std: "docker" "start" "-a" "40c5ff5107245d71c2219ff73597d203ea9ac13099b30bd30180a92689969ece", 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]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling vmw_backdoor v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling errno v0.2.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stdout] warning: field is never read: `guard`
[INFO] [stdout]   --> src/erpc.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     guard: &'a mut BackdoorGuard,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.33s
[INFO] running `Command { std: "docker" "inspect" "40c5ff5107245d71c2219ff73597d203ea9ac13099b30bd30180a92689969ece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40c5ff5107245d71c2219ff73597d203ea9ac13099b30bd30180a92689969ece", kill_on_drop: false }`
[INFO] [stdout] 40c5ff5107245d71c2219ff73597d203ea9ac13099b30bd30180a92689969ece
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c7cf207b86d98c1a0bc32446e5e61a39c0a28cd8fe23ede5b56b0f4fdac880a
[INFO] running `Command { std: "docker" "start" "-a" "7c7cf207b86d98c1a0bc32446e5e61a39c0a28cd8fe23ede5b56b0f4fdac880a", kill_on_drop: false }`
[INFO] [stderr]    Compiling vmw_backdoor v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `guard`
[INFO] [stdout]   --> src/erpc.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     guard: &'a mut BackdoorGuard,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `guard`
[INFO] [stdout]   --> src/erpc.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     guard: &'a mut BackdoorGuard,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "7c7cf207b86d98c1a0bc32446e5e61a39c0a28cd8fe23ede5b56b0f4fdac880a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c7cf207b86d98c1a0bc32446e5e61a39c0a28cd8fe23ede5b56b0f4fdac880a", kill_on_drop: false }`
[INFO] [stdout] 7c7cf207b86d98c1a0bc32446e5e61a39c0a28cd8fe23ede5b56b0f4fdac880a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d6f55659ddf10ef83141b55d17cca444af1cff28f8eace347372df1bd1926128
[INFO] running `Command { std: "docker" "start" "-a" "d6f55659ddf10ef83141b55d17cca444af1cff28f8eace347372df1bd1926128", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `guard`
[INFO] [stderr]   --> src/erpc.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     guard: &'a mut BackdoorGuard,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `vmw_backdoor` (lib) generated 1 warning
[INFO] [stderr] warning: `vmw_backdoor` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.64s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vmw_backdoor-3ba792f34af4a800)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test backdoor::tests::test_magic_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vmw_backdoor
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 23) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d6f55659ddf10ef83141b55d17cca444af1cff28f8eace347372df1bd1926128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6f55659ddf10ef83141b55d17cca444af1cff28f8eace347372df1bd1926128", kill_on_drop: false }`
[INFO] [stdout] d6f55659ddf10ef83141b55d17cca444af1cff28f8eace347372df1bd1926128