[INFO] fetching crate microchassis 0.0.6... [INFO] testing microchassis-0.0.6 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate microchassis 0.0.6 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate microchassis 0.0.6 [INFO] finished tweaking crates.io crate microchassis 0.0.6 [INFO] tweaked toml for crates.io crate microchassis 0.0.6 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate microchassis 0.0.6 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 microchassis 0.0.6 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e3c8cc67474c7db501be367d86dceeb94b8a2d6e7be9976e96f805acb7cd5cf3 [INFO] running `Command { std: "docker" "start" "-a" "e3c8cc67474c7db501be367d86dceeb94b8a2d6e7be9976e96f805acb7cd5cf3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e3c8cc67474c7db501be367d86dceeb94b8a2d6e7be9976e96f805acb7cd5cf3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3c8cc67474c7db501be367d86dceeb94b8a2d6e7be9976e96f805acb7cd5cf3", kill_on_drop: false }` [INFO] [stdout] e3c8cc67474c7db501be367d86dceeb94b8a2d6e7be9976e96f805acb7cd5cf3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e46e58fd39f962cb234a90e2b00bf7b80d1dc630e831dd53495db2839a53a2d2 [INFO] running `Command { std: "docker" "start" "-a" "e46e58fd39f962cb234a90e2b00bf7b80d1dc630e831dd53495db2839a53a2d2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling rustix v0.38.37 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling cc v1.1.21 [INFO] [stderr] Compiling gimli v0.31.0 [INFO] [stderr] Compiling thiserror v1.0.64 [INFO] [stderr] Compiling miniz_oxide v0.8.0 [INFO] [stderr] Compiling fastrand v2.1.1 [INFO] [stderr] Compiling rustc-demangle v0.1.24 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling object v0.36.4 [INFO] [stderr] Compiling tikv-jemalloc-sys v0.6.0+5.3.0-1-ge13ca993e8ccb9ba9847cc330696e02839f328f7 [INFO] [stderr] Compiling tempfile v3.12.0 [INFO] [stderr] Compiling addr2line v0.24.1 [INFO] [stderr] Compiling backtrace v0.3.74 [INFO] [stderr] Compiling thiserror-impl v1.0.64 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling tracing v0.1.40 [INFO] [stderr] Compiling tikv-jemalloc-ctl v0.6.0 [INFO] [stderr] Compiling tikv-jemallocator v0.6.0 [INFO] [stderr] Compiling microchassis v0.0.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: a dangling pointer will be produced because the temporary `Vec` will be dropped [INFO] [stdout] --> src/profiling/mallctl.rs:163:68 [INFO] [stdout] | [INFO] [stdout] 163 | Some(s) => ffi::CString::new(s)?.into_bytes_with_nul().as_ptr(), [INFO] [stdout] | ------------------------------------------- ^^^^^^ this pointer will immediately be invalid [INFO] [stdout] | | [INFO] [stdout] | this `Vec` is deallocated at the end of the statement, bind it to a variable to extend its lifetime [INFO] [stdout] | [INFO] [stdout] = note: pointers do not have a lifetime; when calling `as_ptr` the `Vec` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned [INFO] [stdout] = help: you must make sure that the variable you bind the `Vec` to lives at least as long as the pointer returned by the call to `as_ptr` [INFO] [stdout] = help: in particular, if this pointer is returned from the current function, binding the `Vec` inside the function will not suffice [INFO] [stdout] = help: for more information, see [INFO] [stdout] = note: `#[warn(dangling_pointers_from_temporaries)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 49s [INFO] running `Command { std: "docker" "inspect" "e46e58fd39f962cb234a90e2b00bf7b80d1dc630e831dd53495db2839a53a2d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e46e58fd39f962cb234a90e2b00bf7b80d1dc630e831dd53495db2839a53a2d2", kill_on_drop: false }` [INFO] [stdout] e46e58fd39f962cb234a90e2b00bf7b80d1dc630e831dd53495db2839a53a2d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] fb16fd2688d897799009827773e50c4204e64b730a94b7baf5cc3b8aa937feda [INFO] running `Command { std: "docker" "start" "-a" "fb16fd2688d897799009827773e50c4204e64b730a94b7baf5cc3b8aa937feda", kill_on_drop: false }` [INFO] [stdout] warning: a dangling pointer will be produced because the temporary `Vec` will be dropped [INFO] [stdout] --> src/profiling/mallctl.rs:163:68 [INFO] [stdout] | [INFO] [stdout] 163 | Some(s) => ffi::CString::new(s)?.into_bytes_with_nul().as_ptr(), [INFO] [stdout] | ------------------------------------------- ^^^^^^ this pointer will immediately be invalid [INFO] [stdout] | | [INFO] [stdout] | this `Vec` is deallocated at the end of the statement, bind it to a variable to extend its lifetime [INFO] [stdout] | [INFO] [stdout] = note: pointers do not have a lifetime; when calling `as_ptr` the `Vec` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned [INFO] [stdout] = help: you must make sure that the variable you bind the `Vec` to lives at least as long as the pointer returned by the call to `as_ptr` [INFO] [stdout] = help: in particular, if this pointer is returned from the current function, binding the `Vec` inside the function will not suffice [INFO] [stdout] = help: for more information, see [INFO] [stdout] = note: `#[warn(dangling_pointers_from_temporaries)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling microchassis v0.0.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: a dangling pointer will be produced because the temporary `Vec` will be dropped [INFO] [stdout] --> src/profiling/mallctl.rs:163:68 [INFO] [stdout] | [INFO] [stdout] 163 | Some(s) => ffi::CString::new(s)?.into_bytes_with_nul().as_ptr(), [INFO] [stdout] | ------------------------------------------- ^^^^^^ this pointer will immediately be invalid [INFO] [stdout] | | [INFO] [stdout] | this `Vec` is deallocated at the end of the statement, bind it to a variable to extend its lifetime [INFO] [stdout] | [INFO] [stdout] = note: pointers do not have a lifetime; when calling `as_ptr` the `Vec` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned [INFO] [stdout] = help: you must make sure that the variable you bind the `Vec` to lives at least as long as the pointer returned by the call to `as_ptr` [INFO] [stdout] = help: in particular, if this pointer is returned from the current function, binding the `Vec` inside the function will not suffice [INFO] [stdout] = help: for more information, see [INFO] [stdout] = note: `#[warn(dangling_pointers_from_temporaries)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.76s [INFO] running `Command { std: "docker" "inspect" "fb16fd2688d897799009827773e50c4204e64b730a94b7baf5cc3b8aa937feda", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb16fd2688d897799009827773e50c4204e64b730a94b7baf5cc3b8aa937feda", kill_on_drop: false }` [INFO] [stdout] fb16fd2688d897799009827773e50c4204e64b730a94b7baf5cc3b8aa937feda [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c01fac1126290e5908b2242a04a8606cedc123fdd721e1c6d159767fc3fa28b6 [INFO] running `Command { std: "docker" "start" "-a" "c01fac1126290e5908b2242a04a8606cedc123fdd721e1c6d159767fc3fa28b6", kill_on_drop: false }` [INFO] [stderr] warning: a dangling pointer will be produced because the temporary `Vec` will be dropped [INFO] [stderr] --> src/profiling/mallctl.rs:163:68 [INFO] [stderr] | [INFO] [stderr] 163 | Some(s) => ffi::CString::new(s)?.into_bytes_with_nul().as_ptr(), [INFO] [stderr] | ------------------------------------------- ^^^^^^ this pointer will immediately be invalid [INFO] [stderr] | | [INFO] [stderr] | this `Vec` is deallocated at the end of the statement, bind it to a variable to extend its lifetime [INFO] [stderr] | [INFO] [stderr] = note: pointers do not have a lifetime; when calling `as_ptr` the `Vec` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned [INFO] [stderr] = help: you must make sure that the variable you bind the `Vec` to lives at least as long as the pointer returned by the call to `as_ptr` [INFO] [stderr] = help: in particular, if this pointer is returned from the current function, binding the `Vec` inside the function will not suffice [INFO] [stderr] = help: for more information, see [INFO] [stderr] = note: `#[warn(dangling_pointers_from_temporaries)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `microchassis` (lib) generated 1 warning [INFO] [stderr] warning: `microchassis` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/microchassis-1b0d7aa2c5ca679a) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test profiling::mallctl::tests::test_prof_active ... ignored [INFO] [stdout] test profiling::mallctl::tests::test_prof_reset ... ignored [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests microchassis [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c01fac1126290e5908b2242a04a8606cedc123fdd721e1c6d159767fc3fa28b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c01fac1126290e5908b2242a04a8606cedc123fdd721e1c6d159767fc3fa28b6", kill_on_drop: false }` [INFO] [stdout] c01fac1126290e5908b2242a04a8606cedc123fdd721e1c6d159767fc3fa28b6