[INFO] fetching crate mimalloc-rust 0.2.1...
[INFO] testing mimalloc-rust-0.2.1 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate mimalloc-rust 0.2.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate mimalloc-rust 0.2.1
[INFO] finished tweaking crates.io crate mimalloc-rust 0.2.1
[INFO] tweaked toml for crates.io crate mimalloc-rust 0.2.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mimalloc-rust 0.2.1 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "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-2026-03-05" "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-2026-03-05" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d84c054ffb9f9f6ce7ea2a9e1934792c852bace9873e9d8b53fe5a1db8e8a30
[INFO] running `Command { std: "docker" "start" "-a" "1d84c054ffb9f9f6ce7ea2a9e1934792c852bace9873e9d8b53fe5a1db8e8a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d84c054ffb9f9f6ce7ea2a9e1934792c852bace9873e9d8b53fe5a1db8e8a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d84c054ffb9f9f6ce7ea2a9e1934792c852bace9873e9d8b53fe5a1db8e8a30", kill_on_drop: false }`
[INFO] [stdout] 1d84c054ffb9f9f6ce7ea2a9e1934792c852bace9873e9d8b53fe5a1db8e8a30
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d95f9cee64cacacb966c11b0dec48179a9c7bb28cd9d5bec2add6abe07f9110c
[INFO] running `Command { std: "docker" "start" "-a" "d95f9cee64cacacb966c11b0dec48179a9c7bb28cd9d5bec2add6abe07f9110c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling mimalloc-rust-sys v1.7.9-source
[INFO] [stderr]    Compiling mimalloc-rust v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.99s
[INFO] running `Command { std: "docker" "inspect" "d95f9cee64cacacb966c11b0dec48179a9c7bb28cd9d5bec2add6abe07f9110c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d95f9cee64cacacb966c11b0dec48179a9c7bb28cd9d5bec2add6abe07f9110c", kill_on_drop: false }`
[INFO] [stdout] d95f9cee64cacacb966c11b0dec48179a9c7bb28cd9d5bec2add6abe07f9110c
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f7d3d17eb007701a15765f5ad76a150c1beae6252fdbe27a9f3ebf134602cc5
[INFO] running `Command { std: "docker" "start" "-a" "3f7d3d17eb007701a15765f5ad76a150c1beae6252fdbe27a9f3ebf134602cc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling mimalloc-rust v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "3f7d3d17eb007701a15765f5ad76a150c1beae6252fdbe27a9f3ebf134602cc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f7d3d17eb007701a15765f5ad76a150c1beae6252fdbe27a9f3ebf134602cc5", kill_on_drop: false }`
[INFO] [stdout] 3f7d3d17eb007701a15765f5ad76a150c1beae6252fdbe27a9f3ebf134602cc5
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] af60fc3229c36107d870bb9666c3720e8c6a085614ddc0ec095c7e85ff857ca0
[INFO] running `Command { std: "docker" "start" "-a" "af60fc3229c36107d870bb9666c3720e8c6a085614ddc0ec095c7e85ff857ca0", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mimalloc_rust-0aac53d96e827adc)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_malloc ... ok
[INFO] [stderr] heap stats:    peak      total      freed    current       unit      count   
[INFO] [stdout] test tests::heap::test_leak_detector - should panic ... ok
[INFO] [stderr] normal   1:    288 B      464 B      456 B        8 B        8 B       58      not all freed!
[INFO] [stdout] 
[INFO] [stderr] normal   4:    3.1 KiB    6.7 KiB    4.5 KiB    2.1 KiB     32 B      214      not all freed!
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stderr] normal   6:    1.1 KiB    3.4 KiB    3.1 KiB    288 B       48 B       73      not all freed!
[INFO] [stdout] 
[INFO] [stderr] normal   8:    3.8 KiB   54.4 KiB   51.3 KiB    3.0 KiB     64 B      868      not all freed!
[INFO] [stderr] normal   9:    3.1 KiB    4.6 KiB    1.8 KiB    2.8 KiB     80 B       59      not all freed!
[INFO] [stderr] normal  10:    480 B     42.2 KiB   42.1 KiB     96 B       96 B      449      not all freed!
[INFO] [stderr] normal  11:  121.5 KiB  339.2 KiB  218.1 KiB  121.1 KiB    112 B      3.0 K    not all freed!
[INFO] [stderr] normal  12:    512 B      768 B      768 B        0        128 B        6      ok
[INFO] [stderr] normal  13:    3.1 KiB    7.3 KiB    4.8 KiB    2.5 KiB    160 B       47      not all freed!
[INFO] [stderr] normal  14:   80.1 KiB   83.2 KiB    3.0 KiB   80.1 KiB    192 B      442      not all freed!
[INFO] [stderr] normal  15:   81.6 KiB  425.1 KiB  344.3 KiB   80.8 KiB    224 B      1.9 K    not all freed!
[INFO] [stderr] normal  16:    1.0 KiB    1.0 KiB    768 B      256 B      256 B        4      not all freed!
[INFO] [stderr] normal  17:    1.8 KiB   10.9 KiB    9.7 KiB    1.2 KiB    320 B       35      not all freed!
[INFO] [stderr] normal  18:   10.1 KiB   18.4 KiB    8.6 KiB    9.7 KiB    384 B       49      not all freed!
[INFO] [stderr] normal  19:  216.0 KiB  687.8 KiB  473.0 KiB  214.7 KiB    448 B      1.5 K    not all freed!
[INFO] [stderr] normal  20:    2.0 KiB   18.5 KiB   18.0 KiB    512 B      512 B       37      not all freed!
[INFO] [stderr] normal  21:    3.7 KiB   19.4 KiB   18.8 KiB    640 B      640 B       31      not all freed!
[INFO] [stderr] normal  22:    8.2 KiB   20.3 KiB   13.5 KiB    6.7 KiB    768 B       27      not all freed!
[INFO] [stderr] normal  23:  417.2 KiB  946.0 KiB  531.4 KiB  414.6 KiB    896 B      1.0 K    not all freed!
[INFO] [stderr] normal  24:    3.0 KiB   34.1 KiB   32.1 KiB    2.0 KiB    1.0 KiB     34      not all freed!
[INFO] [stderr] normal  25:    7.5 KiB   27.6 KiB   22.5 KiB    5.0 KiB    1.2 KiB     22      not all freed!
[INFO] [stderr] normal  26:   10.5 KiB   22.5 KiB   15.0 KiB    7.5 KiB    1.5 KiB     15      not all freed!
[INFO] [stderr] normal  27:  544.6 KiB    1.0 MiB  523.5 KiB  539.3 KiB    1.7 KiB    605      not all freed!
[INFO] [stderr] normal  28:   32.1 KiB   64.2 KiB   32.1 KiB   32.1 KiB    2.0 KiB     32      not all freed!
[INFO] [stderr] normal  29:    7.5 KiB   45.1 KiB   40.1 KiB    5.0 KiB    2.5 KiB     18      not all freed!
[INFO] [stderr] normal  30:    6.0 KiB   33.1 KiB   33.1 KiB      0        3.0 KiB     11      ok
[INFO] [stderr] normal  31:  611.3 KiB    1.0 MiB  442.7 KiB  600.8 KiB    3.5 KiB    297      not all freed!
[INFO] [stderr] normal  32:   44.1 KiB   68.2 KiB   28.1 KiB   40.1 KiB    4.0 KiB     17      not all freed!
[INFO] [stderr] normal  33:   20.0 KiB   85.3 KiB   65.2 KiB   20.0 KiB    5.0 KiB     17      not all freed!
[INFO] [stderr] normal  34:   30.1 KiB   54.2 KiB   30.1 KiB   24.0 KiB    6.0 KiB      9      not all freed!
[INFO] [stderr] normal  35:  534.0 KiB  871.4 KiB  351.3 KiB  520.0 KiB    7.0 KiB    124      not all freed!
[INFO] [stderr] normal  36:   40.1 KiB   64.2 KiB   40.1 KiB   24.0 KiB    8.0 KiB      8      not all freed!
[INFO] [stderr] normal  37:   30.1 KiB  120.4 KiB  110.4 KiB   10.0 KiB   10.0 KiB     12      not all freed!
[INFO] [stderr] normal  38:   36.1 KiB  108.4 KiB   96.3 KiB   12.0 KiB   12.0 KiB      9      not all freed!
[INFO] [stderr] normal  39:  463.8 KiB  730.8 KiB  295.1 KiB  435.7 KiB   14.0 KiB     52      not all freed!
[INFO] [stderr] normal  40:   48.1 KiB   48.1 KiB      0       48.1 KiB   16.0 KiB      3      not all freed!
[INFO] [stderr] normal  41:   60.2 KiB  261.0 KiB  220.8 KiB   40.1 KiB   20.0 KiB     13      not all freed!
[INFO] [stderr] normal  42:   72.2 KiB   96.3 KiB   48.1 KiB   48.1 KiB   24.0 KiB      4      not all freed!
[INFO] [stderr] normal  43:  393.5 KiB  534.0 KiB  168.6 KiB  365.4 KiB   28.1 KiB     19      not all freed!
[INFO] [stderr] normal  44:   32.1 KiB   32.1 KiB   32.1 KiB      0       32.1 KiB      1      ok
[INFO] [stderr] normal  45:  160.6 KiB  361.4 KiB  200.7 KiB  160.6 KiB   40.1 KiB      9      not all freed!
[INFO] [stderr] normal  46:   48.1 KiB   48.1 KiB      0       48.1 KiB   48.1 KiB      1      not all freed!
[INFO] [stderr] normal  47:  281.0 KiB  337.3 KiB  112.4 KiB  224.8 KiB   56.2 KiB      6      not all freed!
[INFO] [stderr] normal  49:  240.9 KiB  321.2 KiB   80.3 KiB  240.9 KiB   80.3 KiB      4      not all freed!
[INFO] [stderr] normal  51:  337.3 KiB  449.7 KiB  224.8 KiB  224.8 KiB  112.4 KiB      4      not all freed!
[INFO] [stderr] normal  53:  160.6 KiB  160.6 KiB      0      160.6 KiB  160.6 KiB      1      not all freed!
[INFO] [stderr] 
[INFO] [stderr] heap stats:    peak      total      freed    current       unit      count   
[INFO] [stderr]     normal:    4.8 Mi     9.4 Mi     4.8 Mi     4.6 Mi     865 B     11.4 K    not all freed!
[INFO] [stderr]       huge:      0          0          0          0                            ok
[INFO] [stderr]      giant:      0          0          0          0                            ok
[INFO] [stderr]      total:    4.8 MiB    9.4 MiB    4.8 MiB    4.6 MiB                        not all freed!
[INFO] [stderr] malloc req:    4.2 MiB    8.2 MiB    4.2 MiB    4.0 MiB                        not all freed!
[INFO] [stderr] 
[INFO] [stderr]   reserved:  256.0 MiB  256.0 MiB      0      256.0 MiB                        
[INFO] [stderr]  committed:  256.0 MiB  256.0 MiB      0      256.0 MiB                        
[INFO] [stderr]      reset:      0          0          0          0                            ok
[INFO] [stderr]    touched:    5.2 MiB    5.7 MiB  775.0 KiB    5.0 MiB                        not all freed!
[INFO] [stderr]   segments:     13         13          7          6                            not all freed!
[INFO] [stderr] -abandoned:      5          6          6          0                            ok
[INFO] [stderr]    -cached:      0          0          0          0                            ok
[INFO] [stderr]      pages:    122        185         97         88                            not all freed!
[INFO] [stderr] -abandoned:     87         89         89          0                            ok
[INFO] [stderr]  -extended:    889    
[INFO] [stderr]  -noretire:    636    
[INFO] [stderr]      mmaps:      3    
[INFO] [stderr]    commits:      0    
[INFO] [stderr]    threads:      2          2          4         -2                            ok
[INFO] [stderr]   searches:     0.8 avg
[INFO] [stderr] numa nodes:       1
[INFO] [stderr]    elapsed:       0.037 s
[INFO] [stderr]    process: user: 0.019 s, system: 0.009 s, faults: 0, rss: 25.9 MiB, commit: 256.0 MiB
[INFO] [stderr]    Doc-tests mimalloc_rust
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 19) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 19) stdout ----
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(allocator_api)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 19)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "af60fc3229c36107d870bb9666c3720e8c6a085614ddc0ec095c7e85ff857ca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af60fc3229c36107d870bb9666c3720e8c6a085614ddc0ec095c7e85ff857ca0", kill_on_drop: false }`
[INFO] [stdout] af60fc3229c36107d870bb9666c3720e8c6a085614ddc0ec095c7e85ff857ca0
