[INFO] fetching crate vmw_backdoor 0.2.1...
[INFO] testing vmw_backdoor-0.2.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate vmw_backdoor 0.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate vmw_backdoor 0.2.1 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-2/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be8a5c20ed2fc0db12f37881d6fc0459969685c20475151f931378924d633981
[INFO] running `Command { std: "docker" "start" "-a" "be8a5c20ed2fc0db12f37881d6fc0459969685c20475151f931378924d633981", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be8a5c20ed2fc0db12f37881d6fc0459969685c20475151f931378924d633981", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be8a5c20ed2fc0db12f37881d6fc0459969685c20475151f931378924d633981", kill_on_drop: false }`
[INFO] [stdout] be8a5c20ed2fc0db12f37881d6fc0459969685c20475151f931378924d633981
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6a5b4672f02cb846d18f58534977a114e75f30c15791cf44a5e4e0e04d9643c
[INFO] running `Command { std: "docker" "start" "-a" "a6a5b4672f02cb846d18f58534977a114e75f30c15791cf44a5e4e0e04d9643c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling errno v0.2.7
[INFO] [stderr]    Compiling vmw_backdoor v0.2.1 (/opt/rustwide/workdir)
[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 6.93s
[INFO] running `Command { std: "docker" "inspect" "a6a5b4672f02cb846d18f58534977a114e75f30c15791cf44a5e4e0e04d9643c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6a5b4672f02cb846d18f58534977a114e75f30c15791cf44a5e4e0e04d9643c", kill_on_drop: false }`
[INFO] [stdout] a6a5b4672f02cb846d18f58534977a114e75f30c15791cf44a5e4e0e04d9643c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 160c02c0ec9e49125894fae46eb7f45ecd13bab44b9cc562a97384cd31351684
[INFO] running `Command { std: "docker" "start" "-a" "160c02c0ec9e49125894fae46eb7f45ecd13bab44b9cc562a97384cd31351684", 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 1.24s
[INFO] running `Command { std: "docker" "inspect" "160c02c0ec9e49125894fae46eb7f45ecd13bab44b9cc562a97384cd31351684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "160c02c0ec9e49125894fae46eb7f45ecd13bab44b9cc562a97384cd31351684", kill_on_drop: false }`
[INFO] [stdout] 160c02c0ec9e49125894fae46eb7f45ecd13bab44b9cc562a97384cd31351684
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ddd2d19191d8a325472a73c0ce60072538771c992f815eb159c3a615417c5b91
[INFO] running `Command { std: "docker" "start" "-a" "ddd2d19191d8a325472a73c0ce60072538771c992f815eb159c3a615417c5b91", kill_on_drop: false }`
[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 0.05s
[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 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ddd2d19191d8a325472a73c0ce60072538771c992f815eb159c3a615417c5b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddd2d19191d8a325472a73c0ce60072538771c992f815eb159c3a615417c5b91", kill_on_drop: false }`
[INFO] [stdout] ddd2d19191d8a325472a73c0ce60072538771c992f815eb159c3a615417c5b91