[INFO] fetching crate vmw_backdoor 0.2.4... [INFO] testing vmw_backdoor-0.2.4 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate vmw_backdoor 0.2.4 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate vmw_backdoor 0.2.4 [INFO] finished tweaking crates.io crate vmw_backdoor 0.2.4 [INFO] tweaked toml for crates.io crate vmw_backdoor 0.2.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate vmw_backdoor 0.2.4 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate vmw_backdoor 0.2.4 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" "+beta-2025-09-21" "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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d56db2e7723254943bf9d15d247be5c7e73c3187fae552956f8e54d10f165ec9 [INFO] running `Command { std: "docker" "start" "-a" "d56db2e7723254943bf9d15d247be5c7e73c3187fae552956f8e54d10f165ec9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d56db2e7723254943bf9d15d247be5c7e73c3187fae552956f8e54d10f165ec9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d56db2e7723254943bf9d15d247be5c7e73c3187fae552956f8e54d10f165ec9", kill_on_drop: false }` [INFO] [stdout] d56db2e7723254943bf9d15d247be5c7e73c3187fae552956f8e54d10f165ec9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ca40377923613112a0d5f68a9d5d7a1a3e9fec62725d7cbd5117d80efe8188ca [INFO] running `Command { std: "docker" "start" "-a" "ca40377923613112a0d5f68a9d5d7a1a3e9fec62725d7cbd5117d80efe8188ca", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.59 [INFO] [stderr] Compiling quote v1.0.28 [INFO] [stderr] Compiling unicode-ident v1.0.9 [INFO] [stderr] Compiling libc v0.2.144 [INFO] [stderr] Compiling thiserror v1.0.40 [INFO] [stderr] Compiling cc v1.0.79 [INFO] [stderr] Compiling log v0.4.18 [INFO] [stderr] Compiling vmw_backdoor v0.2.4 (/opt/rustwide/workdir) [INFO] [stderr] Compiling syn v2.0.18 [INFO] [stderr] Compiling errno v0.3.1 [INFO] [stderr] Compiling thiserror-impl v1.0.40 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/backdoor.rs:92:31 [INFO] [stdout] | [INFO] [stdout] 92 | pub fn open_enhanced_chan(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 92 | pub fn open_enhanced_chan(&mut self) -> Result, VmwError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.96s [INFO] running `Command { std: "docker" "inspect" "ca40377923613112a0d5f68a9d5d7a1a3e9fec62725d7cbd5117d80efe8188ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca40377923613112a0d5f68a9d5d7a1a3e9fec62725d7cbd5117d80efe8188ca", kill_on_drop: false }` [INFO] [stdout] ca40377923613112a0d5f68a9d5d7a1a3e9fec62725d7cbd5117d80efe8188ca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6fd458e4cd7e9a5e73dc5d285b8dc9fe515ae7a51305342ceb21152ba7a9b23d [INFO] running `Command { std: "docker" "start" "-a" "6fd458e4cd7e9a5e73dc5d285b8dc9fe515ae7a51305342ceb21152ba7a9b23d", kill_on_drop: false }` [INFO] [stderr] Compiling vmw_backdoor v0.2.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/backdoor.rs:92:31 [INFO] [stdout] | [INFO] [stdout] 92 | pub fn open_enhanced_chan(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 92 | pub fn open_enhanced_chan(&mut self) -> Result, VmwError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/backdoor.rs:92:31 [INFO] [stdout] | [INFO] [stdout] 92 | pub fn open_enhanced_chan(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 92 | pub fn open_enhanced_chan(&mut self) -> Result, VmwError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s [INFO] running `Command { std: "docker" "inspect" "6fd458e4cd7e9a5e73dc5d285b8dc9fe515ae7a51305342ceb21152ba7a9b23d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6fd458e4cd7e9a5e73dc5d285b8dc9fe515ae7a51305342ceb21152ba7a9b23d", kill_on_drop: false }` [INFO] [stdout] 6fd458e4cd7e9a5e73dc5d285b8dc9fe515ae7a51305342ceb21152ba7a9b23d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6c6eb3cf7a9767d298185eb597f394af156c3b3f0f2bd56edb858e2ad6e2bb47 [INFO] running `Command { std: "docker" "start" "-a" "6c6eb3cf7a9767d298185eb597f394af156c3b3f0f2bd56edb858e2ad6e2bb47", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/backdoor.rs:92:31 [INFO] [stderr] | [INFO] [stderr] 92 | pub fn open_enhanced_chan(&mut self) -> Result { [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 92 | pub fn open_enhanced_chan(&mut self) -> Result, VmwError> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `vmw_backdoor` (lib) generated 1 warning (run `cargo fix --lib -p vmw_backdoor` to apply 1 suggestion) [INFO] [stderr] warning: `vmw_backdoor` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vmw_backdoor-8cf665b4f0560421) [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 0.01s [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" "6c6eb3cf7a9767d298185eb597f394af156c3b3f0f2bd56edb858e2ad6e2bb47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c6eb3cf7a9767d298185eb597f394af156c3b3f0f2bd56edb858e2ad6e2bb47", kill_on_drop: false }` [INFO] [stdout] 6c6eb3cf7a9767d298185eb597f394af156c3b3f0f2bd56edb858e2ad6e2bb47