[INFO] fetching crate mimalloc2 0.1.0... [INFO] testing mimalloc2-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate mimalloc2 0.1.0 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate mimalloc2 0.1.0 [INFO] finished tweaking crates.io crate mimalloc2 0.1.0 [INFO] tweaked toml for crates.io crate mimalloc2 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mimalloc2 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 6 packages to latest compatible versions [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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b0554aba99a3a8d6d5cea2060610c4914937f192cd7907efce77e9e79d6ba630 [INFO] running `Command { std: "docker" "start" "-a" "b0554aba99a3a8d6d5cea2060610c4914937f192cd7907efce77e9e79d6ba630", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b0554aba99a3a8d6d5cea2060610c4914937f192cd7907efce77e9e79d6ba630", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0554aba99a3a8d6d5cea2060610c4914937f192cd7907efce77e9e79d6ba630", kill_on_drop: false }` [INFO] [stdout] b0554aba99a3a8d6d5cea2060610c4914937f192cd7907efce77e9e79d6ba630 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 657691a36eff2cc44261138bf9fdf6fc8f3b457abd56a00dc91442e5b90ae85d [INFO] running `Command { std: "docker" "start" "-a" "657691a36eff2cc44261138bf9fdf6fc8f3b457abd56a00dc91442e5b90ae85d", kill_on_drop: false }` [INFO] [stderr] Compiling libmimalloc-sys v0.1.44 [INFO] [stderr] Compiling cty v0.2.2 [INFO] [stderr] Compiling mimalloc2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `asmjs` [INFO] [stdout] --> src/lib.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | target_arch = "asmjs", [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `target_arch` are: `aarch64`, `amdgpu`, `arm`, `arm64ec`, `avr`, `bpf`, `csky`, `hexagon`, `loongarch32`, `loongarch64`, `m68k`, `mips`, `mips32r6`, `mips64`, `mips64r6`, `msp430`, `nvptx64`, `powerpc`, `powerpc64`, `riscv32`, `riscv64`, `s390x`, `sparc`, `sparc64`, `wasm32`, `wasm64`, `x86`, `x86_64`, and `xtensa` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.04s [INFO] running `Command { std: "docker" "inspect" "657691a36eff2cc44261138bf9fdf6fc8f3b457abd56a00dc91442e5b90ae85d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "657691a36eff2cc44261138bf9fdf6fc8f3b457abd56a00dc91442e5b90ae85d", kill_on_drop: false }` [INFO] [stdout] 657691a36eff2cc44261138bf9fdf6fc8f3b457abd56a00dc91442e5b90ae85d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 558a3d9146b934ae834ba2002e7e10cb3be78eea97b3f6fa26ab845712b272c5 [INFO] running `Command { std: "docker" "start" "-a" "558a3d9146b934ae834ba2002e7e10cb3be78eea97b3f6fa26ab845712b272c5", kill_on_drop: false }` [INFO] [stderr] Compiling mimalloc2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `asmjs` [INFO] [stdout] --> src/lib.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | target_arch = "asmjs", [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `target_arch` are: `aarch64`, `amdgpu`, `arm`, `arm64ec`, `avr`, `bpf`, `csky`, `hexagon`, `loongarch32`, `loongarch64`, `m68k`, `mips`, `mips32r6`, `mips64`, `mips64r6`, `msp430`, `nvptx64`, `powerpc`, `powerpc64`, `riscv32`, `riscv64`, `s390x`, `sparc`, `sparc64`, `wasm32`, `wasm64`, `x86`, `x86_64`, and `xtensa` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `asmjs` [INFO] [stdout] --> src/lib.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | target_arch = "asmjs", [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `target_arch` are: `aarch64`, `amdgpu`, `arm`, `arm64ec`, `avr`, `bpf`, `csky`, `hexagon`, `loongarch32`, `loongarch64`, `m68k`, `mips`, `mips32r6`, `mips64`, `mips64r6`, `msp430`, `nvptx64`, `powerpc`, `powerpc64`, `riscv32`, `riscv64`, `s390x`, `sparc`, `sparc64`, `wasm32`, `wasm64`, `x86`, `x86_64`, and `xtensa` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s [INFO] running `Command { std: "docker" "inspect" "558a3d9146b934ae834ba2002e7e10cb3be78eea97b3f6fa26ab845712b272c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "558a3d9146b934ae834ba2002e7e10cb3be78eea97b3f6fa26ab845712b272c5", kill_on_drop: false }` [INFO] [stdout] 558a3d9146b934ae834ba2002e7e10cb3be78eea97b3f6fa26ab845712b272c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e9e939d656d6e8b27043ac26a236a18aa6d7ebca78551aaeefb84768518f9048 [INFO] running `Command { std: "docker" "start" "-a" "e9e939d656d6e8b27043ac26a236a18aa6d7ebca78551aaeefb84768518f9048", kill_on_drop: false }` [INFO] [stderr] warning: unexpected `cfg` condition value: `asmjs` [INFO] [stderr] --> src/lib.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | target_arch = "asmjs", [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `target_arch` are: `aarch64`, `amdgpu`, `arm`, `arm64ec`, `avr`, `bpf`, `csky`, `hexagon`, `loongarch32`, `loongarch64`, `m68k`, `mips`, `mips32r6`, `mips64`, `mips64r6`, `msp430`, `nvptx64`, `powerpc`, `powerpc64`, `riscv32`, `riscv64`, `s390x`, `sparc`, `sparc64`, `wasm32`, `wasm64`, `x86`, `x86_64`, and `xtensa` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `mimalloc2` (lib) generated 1 warning [INFO] [stderr] warning: `mimalloc2` (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/mimalloc2-a19351a65e08054c) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test tests::it_frees_zero_allocated_big_memory ... ok [INFO] [stdout] test tests::it_frees_zero_allocated_memory ... ok [INFO] [stdout] test tests::it_frees_reallocated_memory ... ok [INFO] [stdout] test tests::it_frees_allocated_big_memory ... ok [INFO] [stdout] test tests::it_frees_reallocated_big_memory ... ok [INFO] [stdout] test tests::it_frees_allocated_memory ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s [INFO] [stdout] [INFO] [stderr] Doc-tests mimalloc2 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - MiMalloc (line 36) ... 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" "e9e939d656d6e8b27043ac26a236a18aa6d7ebca78551aaeefb84768518f9048", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9e939d656d6e8b27043ac26a236a18aa6d7ebca78551aaeefb84768518f9048", kill_on_drop: false }` [INFO] [stdout] e9e939d656d6e8b27043ac26a236a18aa6d7ebca78551aaeefb84768518f9048