[INFO] fetching crate mimalloc-rust 0.2.1...
[INFO] testing mimalloc-rust-0.2.1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate mimalloc-rust 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate mimalloc-rust 0.2.1 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mimalloc-rust-sys v1.7.9-source
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c0adc1c382a73f57d3eab4daf188e082f9806ec678ad1f5c7c2dedd8f87ec7d
[INFO] running `Command { std: "docker" "start" "-a" "6c0adc1c382a73f57d3eab4daf188e082f9806ec678ad1f5c7c2dedd8f87ec7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c0adc1c382a73f57d3eab4daf188e082f9806ec678ad1f5c7c2dedd8f87ec7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c0adc1c382a73f57d3eab4daf188e082f9806ec678ad1f5c7c2dedd8f87ec7d", kill_on_drop: false }`
[INFO] [stdout] 6c0adc1c382a73f57d3eab4daf188e082f9806ec678ad1f5c7c2dedd8f87ec7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ccc375c330a5aeea8dc0034c0a252a30f40986a1ae7b9de20a74161ced6696d
[INFO] running `Command { std: "docker" "start" "-a" "5ccc375c330a5aeea8dc0034c0a252a30f40986a1ae7b9de20a74161ced6696d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling cc v1.0.83
[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 [unoptimized + debuginfo] target(s) in 3.58s
[INFO] running `Command { std: "docker" "inspect" "5ccc375c330a5aeea8dc0034c0a252a30f40986a1ae7b9de20a74161ced6696d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ccc375c330a5aeea8dc0034c0a252a30f40986a1ae7b9de20a74161ced6696d", kill_on_drop: false }`
[INFO] [stdout] 5ccc375c330a5aeea8dc0034c0a252a30f40986a1ae7b9de20a74161ced6696d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8eb9a172fa4ebef8384db437fc2670b648c82f17ae23d1d067cb8e105dd64e8
[INFO] running `Command { std: "docker" "start" "-a" "c8eb9a172fa4ebef8384db437fc2670b648c82f17ae23d1d067cb8e105dd64e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling mimalloc-rust v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "c8eb9a172fa4ebef8384db437fc2670b648c82f17ae23d1d067cb8e105dd64e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8eb9a172fa4ebef8384db437fc2670b648c82f17ae23d1d067cb8e105dd64e8", kill_on_drop: false }`
[INFO] [stdout] c8eb9a172fa4ebef8384db437fc2670b648c82f17ae23d1d067cb8e105dd64e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d1dc2266d030e6cd7bec2dc114115aa79723fbaf9d993a99cf8ba5ee2c63394d
[INFO] running `Command { std: "docker" "start" "-a" "d1dc2266d030e6cd7bec2dc114115aa79723fbaf9d993a99cf8ba5ee2c63394d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mimalloc_rust-24397fd34ebbfdaf)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_malloc ... ok
[INFO] [stdout] test tests::heap::test_leak_detector - should panic ... ok
[INFO] [stderr] heap stats:    peak      total      freed    current       unit      count   
[INFO] [stdout] 
[INFO] [stderr] normal   1:    296 B      456 B      448 B        8 B        8 B       57      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   4:    3.2 KiB    5.7 KiB    3.2 KiB    2.4 KiB     32 B      182      not all freed!
[INFO] [stdout] 
[INFO] [stderr] normal   6:    1.1 KiB    5.1 KiB    4.8 KiB    288 B       48 B      110      not all freed!
[INFO] [stderr] normal   8:    1.5 KiB   39.2 KiB   38.4 KiB    896 B       64 B      626      not all freed!
[INFO] [stderr] normal   9:    4.0 KiB    8.4 KiB    4.8 KiB    3.6 KiB     80 B      108      not all freed!
[INFO] [stderr] normal  10:    1.2 KiB   25.9 KiB   25.1 KiB    864 B       96 B      276      not all freed!
[INFO] [stderr] normal  11:   97.5 KiB  286.3 KiB  189.3 KiB   97.0 KiB    112 B      2.6 K    not all freed!
[INFO] [stderr] normal  12:    640 B      640 B      512 B      128 B      128 B        5      not all freed!
[INFO] [stderr] normal  13:    8.4 KiB   12.0 KiB    4.2 KiB    7.8 KiB    160 B       77      not all freed!
[INFO] [stderr] normal  14:   46.4 KiB   49.3 KiB    2.8 KiB   46.4 KiB    192 B      262      not all freed!
[INFO] [stderr] normal  15:   63.9 KiB  366.0 KiB  303.0 KiB   63.0 KiB    224 B      1.6 K    not all freed!
[INFO] [stderr] normal  16:    1.5 KiB    1.7 KiB    768 B      1.0 KiB    256 B        7      not all freed!
[INFO] [stderr] normal  17:    1.8 KiB   18.5 KiB   17.8 KiB    640 B      320 B       59      not all freed!
[INFO] [stderr] normal  18:    5.6 KiB    6.0 KiB    768 B      5.2 KiB    384 B       16      not all freed!
[INFO] [stderr] normal  19:  157.6 KiB  604.3 KiB  448.0 KiB  156.3 KiB    448 B      1.3 K    not all freed!
[INFO] [stderr] normal  20:    2.0 KiB    9.0 KiB    8.5 KiB    512 B      512 B       18      not all freed!
[INFO] [stderr] normal  21:    5.6 KiB   27.6 KiB   25.0 KiB    2.5 KiB    640 B       44      not all freed!
[INFO] [stderr] normal  22:    1.5 KiB    3.7 KiB    3.7 KiB      0        768 B        5      ok
[INFO] [stderr] normal  23:  422.5 KiB  896.0 KiB  476.1 KiB  419.8 KiB    896 B      1.0 K    not all freed!
[INFO] [stderr] normal  24:    1.0 KiB   15.0 KiB   15.0 KiB      0        1.0 KiB     15      ok
[INFO] [stderr] normal  25:    3.7 KiB   42.6 KiB   40.1 KiB    2.5 KiB    1.2 KiB     34      not all freed!
[INFO] [stderr] normal  26:    1.5 KiB    4.5 KiB    4.5 KiB      0        1.5 KiB      3      ok
[INFO] [stderr] normal  27:  511.2 KiB  957.4 KiB  451.5 KiB  505.9 KiB    1.7 KiB    545      not all freed!
[INFO] [stderr] normal  28:   12.0 KiB   30.1 KiB   20.0 KiB   10.0 KiB    2.0 KiB     15      not all freed!
[INFO] [stderr] normal  29:   15.0 KiB   77.8 KiB   65.2 KiB   12.5 KiB    2.5 KiB     31      not all freed!
[INFO] [stderr] normal  30:    6.0 KiB    9.0 KiB    9.0 KiB      0        3.0 KiB      3      ok
[INFO] [stderr] normal  31:  572.7 KiB  896.0 KiB  333.8 KiB  562.1 KiB    3.5 KiB    255      not all freed!
[INFO] [stderr] normal  32:   20.0 KiB   36.1 KiB   20.0 KiB   16.0 KiB    4.0 KiB      9      not all freed!
[INFO] [stderr] normal  33:   50.1 KiB  135.5 KiB   85.3 KiB   50.1 KiB    5.0 KiB     27      not all freed!
[INFO] [stderr] normal  34:    6.0 KiB   12.0 KiB   12.0 KiB      0        6.0 KiB      2      ok
[INFO] [stderr] normal  35:  323.2 KiB  674.6 KiB  365.4 KiB  309.2 KiB    7.0 KiB     96      not all freed!
[INFO] [stderr] normal  36:   48.1 KiB   64.2 KiB   40.1 KiB   24.0 KiB    8.0 KiB      8      not all freed!
[INFO] [stderr] normal  37:   80.3 KiB  180.7 KiB  140.5 KiB   40.1 KiB   10.0 KiB     18      not all freed!
[INFO] [stderr] normal  39:  477.8 KiB  716.8 KiB  267.0 KiB  449.7 KiB   14.0 KiB     51      not all freed!
[INFO] [stderr] normal  40:   32.1 KiB   32.1 KiB      0       32.1 KiB   16.0 KiB      2      not all freed!
[INFO] [stderr] normal  41:   80.3 KiB  240.9 KiB  160.6 KiB   80.3 KiB   20.0 KiB     12      not all freed!
[INFO] [stderr] normal  43:  281.0 KiB  477.8 KiB  224.8 KiB  252.9 KiB   28.1 KiB     17      not all freed!
[INFO] [stderr] normal  45:  120.4 KiB  240.9 KiB  120.4 KiB  120.4 KiB   40.1 KiB      6      not all freed!
[INFO] [stderr] normal  47:  393.5 KiB  393.5 KiB   56.2 KiB  337.3 KiB   56.2 KiB      7      not all freed!
[INFO] [stderr] normal  49:  160.6 KiB  240.9 KiB   80.3 KiB  160.6 KiB   80.3 KiB      3      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:    4.2 Mi     8.1 Mi     4.1 Mi     4.0 Mi     882 B      9.6 K    not all freed!
[INFO] [stderr]       huge:      0          0          0          0                            ok
[INFO] [stderr]      giant:      0          0          0          0                            ok
[INFO] [stderr]      total:    4.2 MiB    8.1 MiB    4.1 MiB    4.0 MiB                        not all freed!
[INFO] [stderr] malloc req:    3.6 MiB    7.0 MiB    3.6 MiB    3.4 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:    4.6 MiB    4.9 MiB  595.6 KiB    4.3 MiB                        not all freed!
[INFO] [stderr]   segments:     11         11          6          5                            not all freed!
[INFO] [stderr] -abandoned:      4          5          5          0                            ok
[INFO] [stderr]    -cached:      0          0          0          0                            ok
[INFO] [stderr]      pages:    109        169         92         77                            not all freed!
[INFO] [stderr] -abandoned:     76         78         78          0                            ok
[INFO] [stderr]  -extended:    784    
[INFO] [stderr]  -noretire:    437    
[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:       0.030 s
[INFO] [stderr]    process: user: 0.022 s, system: 0.004 s, faults: 1, rss: 18.5 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 stable release channel
[INFO] [stdout]  --> src/lib.rs:18:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(allocator_api)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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" "d1dc2266d030e6cd7bec2dc114115aa79723fbaf9d993a99cf8ba5ee2c63394d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1dc2266d030e6cd7bec2dc114115aa79723fbaf9d993a99cf8ba5ee2c63394d", kill_on_drop: false }`
[INFO] [stdout] d1dc2266d030e6cd7bec2dc114115aa79723fbaf9d993a99cf8ba5ee2c63394d
[INFO] testing mimalloc-rust-0.2.1 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate mimalloc-rust 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate mimalloc-rust 0.2.1 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e292ac7014a2de8573a4ca166ead7bceb7dc8f28d15b8a80039e7435dd9721f
[INFO] running `Command { std: "docker" "start" "-a" "4e292ac7014a2de8573a4ca166ead7bceb7dc8f28d15b8a80039e7435dd9721f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e292ac7014a2de8573a4ca166ead7bceb7dc8f28d15b8a80039e7435dd9721f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e292ac7014a2de8573a4ca166ead7bceb7dc8f28d15b8a80039e7435dd9721f", kill_on_drop: false }`
[INFO] [stdout] 4e292ac7014a2de8573a4ca166ead7bceb7dc8f28d15b8a80039e7435dd9721f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d53da5ed808e139947c2d167912d68a047dbf41a514b9d191e8eee392851809
[INFO] running `Command { std: "docker" "start" "-a" "1d53da5ed808e139947c2d167912d68a047dbf41a514b9d191e8eee392851809", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling cc v1.0.83
[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 [unoptimized + debuginfo] target(s) in 3.51s
[INFO] running `Command { std: "docker" "inspect" "1d53da5ed808e139947c2d167912d68a047dbf41a514b9d191e8eee392851809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d53da5ed808e139947c2d167912d68a047dbf41a514b9d191e8eee392851809", kill_on_drop: false }`
[INFO] [stdout] 1d53da5ed808e139947c2d167912d68a047dbf41a514b9d191e8eee392851809
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3be11a411c73478e83c18e4699a3c77c8aae0b129d214193f304d04ab349abe3
[INFO] running `Command { std: "docker" "start" "-a" "3be11a411c73478e83c18e4699a3c77c8aae0b129d214193f304d04ab349abe3", kill_on_drop: false }`
[INFO] [stderr]    Compiling mimalloc-rust v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "3be11a411c73478e83c18e4699a3c77c8aae0b129d214193f304d04ab349abe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3be11a411c73478e83c18e4699a3c77c8aae0b129d214193f304d04ab349abe3", kill_on_drop: false }`
[INFO] [stdout] 3be11a411c73478e83c18e4699a3c77c8aae0b129d214193f304d04ab349abe3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d0adc8067a8004b0654331b8b6e7f4699f976a8f39e38d4229d879bcf258bce2
[INFO] running `Command { std: "docker" "start" "-a" "d0adc8067a8004b0654331b8b6e7f4699f976a8f39e38d4229d879bcf258bce2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mimalloc_rust-5d2ad34aa3639325)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_malloc ... ok
[INFO] [stdout] test tests::heap::test_leak_detector - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] heap stats:    peak      total      freed    current       unit      count   
[INFO] [stderr] normal   1:    296 B      456 B      448 B        8 B        8 B       57      not all freed!
[INFO] [stderr] normal   4:    3.2 KiB    5.6 KiB    3.2 KiB    2.4 KiB     32 B      181      not all freed!
[INFO] [stderr] normal   6:    1.1 KiB    5.1 KiB    4.8 KiB    240 B       48 B      109      not all freed!
[INFO] [stderr] normal   8:    1.5 KiB   39.1 KiB   38.3 KiB    832 B       64 B      624      not all freed!
[INFO] [stderr] normal   9:    4.0 KiB    8.4 KiB    4.8 KiB    3.6 KiB     80 B      108      not all freed!
[INFO] [stderr] normal  10:    1.2 KiB   25.7 KiB   24.9 KiB    864 B       96 B      274      not all freed!
[INFO] [stderr] normal  11:   97.6 KiB  287.0 KiB  189.8 KiB   97.1 KiB    112 B      2.6 K    not all freed!
[INFO] [stderr] normal  12:    640 B      640 B      512 B      128 B      128 B        5      not all freed!
[INFO] [stderr] normal  13:    8.4 KiB   11.9 KiB    4.0 KiB    7.8 KiB    160 B       76      not all freed!
[INFO] [stderr] normal  14:   46.1 KiB   48.9 KiB    2.8 KiB   46.1 KiB    192 B      260      not all freed!
[INFO] [stderr] normal  15:   62.8 KiB  367.1 KiB  305.2 KiB   61.9 KiB    224 B      1.6 K    not all freed!
[INFO] [stderr] normal  16:    1.5 KiB    1.7 KiB    768 B      1.0 KiB    256 B        7      not all freed!
[INFO] [stderr] normal  17:    1.8 KiB   18.5 KiB   17.8 KiB    640 B      320 B       59      not all freed!
[INFO] [stderr] normal  18:    5.6 KiB    6.0 KiB    768 B      5.2 KiB    384 B       16      not all freed!
[INFO] [stderr] normal  19:  158.9 KiB  609.1 KiB  451.5 KiB  157.6 KiB    448 B      1.3 K    not all freed!
[INFO] [stderr] normal  20:    2.0 KiB    9.0 KiB    8.5 KiB    512 B      512 B       18      not all freed!
[INFO] [stderr] normal  21:    5.6 KiB   27.6 KiB   25.0 KiB    2.5 KiB    640 B       44      not all freed!
[INFO] [stderr] normal  22:    1.5 KiB    3.7 KiB    3.7 KiB      0        768 B        5      ok
[INFO] [stderr] normal  23:  424.2 KiB  903.0 KiB  481.3 KiB  421.6 KiB    896 B      1.0 K    not all freed!
[INFO] [stderr] normal  24:    1.0 KiB   15.0 KiB   15.0 KiB      0        1.0 KiB     15      ok
[INFO] [stderr] normal  25:    3.7 KiB   42.6 KiB   40.1 KiB    2.5 KiB    1.2 KiB     34      not all freed!
[INFO] [stderr] normal  26:    1.5 KiB    4.5 KiB    4.5 KiB      0        1.5 KiB      3      ok
[INFO] [stderr] normal  27:  530.5 KiB  968.0 KiB  442.7 KiB  525.3 KiB    1.7 KiB    551      not all freed!
[INFO] [stderr] normal  28:   12.0 KiB   30.1 KiB   20.0 KiB   10.0 KiB    2.0 KiB     15      not all freed!
[INFO] [stderr] normal  29:   15.0 KiB   77.8 KiB   65.2 KiB   12.5 KiB    2.5 KiB     31      not all freed!
[INFO] [stderr] normal  30:    6.0 KiB    9.0 KiB    9.0 KiB      0        3.0 KiB      3      ok
[INFO] [stderr] normal  31:  565.7 KiB  878.4 KiB  323.2 KiB  555.1 KiB    3.5 KiB    250      not all freed!
[INFO] [stderr] normal  32:   20.0 KiB   36.1 KiB   20.0 KiB   16.0 KiB    4.0 KiB      9      not all freed!
[INFO] [stderr] normal  33:   50.1 KiB  135.5 KiB   85.3 KiB   50.1 KiB    5.0 KiB     27      not all freed!
[INFO] [stderr] normal  34:    6.0 KiB   12.0 KiB   12.0 KiB      0        6.0 KiB      2      ok
[INFO] [stderr] normal  35:  302.1 KiB  653.5 KiB  365.4 KiB  288.1 KiB    7.0 KiB     93      not all freed!
[INFO] [stderr] normal  36:   48.1 KiB   64.2 KiB   40.1 KiB   24.0 KiB    8.0 KiB      8      not all freed!
[INFO] [stderr] normal  37:   80.3 KiB  190.7 KiB  150.5 KiB   40.1 KiB   10.0 KiB     19      not all freed!
[INFO] [stderr] normal  39:  477.8 KiB  716.8 KiB  267.0 KiB  449.7 KiB   14.0 KiB     51      not all freed!
[INFO] [stderr] normal  40:   32.1 KiB   32.1 KiB      0       32.1 KiB   16.0 KiB      2      not all freed!
[INFO] [stderr] normal  41:   80.3 KiB  240.9 KiB  160.6 KiB   80.3 KiB   20.0 KiB     12      not all freed!
[INFO] [stderr] normal  43:  252.9 KiB  477.8 KiB  252.9 KiB  224.8 KiB   28.1 KiB     17      not all freed!
[INFO] [stderr] normal  45:  120.4 KiB  240.9 KiB  120.4 KiB  120.4 KiB   40.1 KiB      6      not all freed!
[INFO] [stderr] normal  47:  449.7 KiB  449.7 KiB   56.2 KiB  393.5 KiB   56.2 KiB      8      not all freed!
[INFO] [stderr] normal  49:  160.6 KiB  240.9 KiB   80.3 KiB  160.6 KiB   80.3 KiB      3      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:    4.2 Mi     8.2 Mi     4.1 Mi     4.0 Mi     885 B      9.7 K    not all freed!
[INFO] [stderr]       huge:      0          0          0          0                            ok
[INFO] [stderr]      giant:      0          0          0          0                            ok
[INFO] [stderr]      total:    4.2 MiB    8.2 MiB    4.1 MiB    4.0 MiB                        not all freed!
[INFO] [stderr] malloc req:    3.6 MiB    7.1 MiB    3.6 MiB    3.4 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:    4.6 MiB    4.9 MiB  606.1 KiB    4.4 MiB                        not all freed!
[INFO] [stderr]   segments:     11         11          6          5                            not all freed!
[INFO] [stderr] -abandoned:      4          5          5          0                            ok
[INFO] [stderr]    -cached:      0          0          0          0                            ok
[INFO] [stderr]      pages:    108        170         93         77                            not all freed!
[INFO] [stderr] -abandoned:     76         78         78          0                            ok
[INFO] [stderr]  -extended:    786    
[INFO] [stderr]  -noretire:    449    
[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:       0.023 s
[INFO] [stderr]    process: user: 0.025 s, system: 0.000 s, faults: 0, rss: 20.2 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] [stderr] error: doctest failed, to rerun pass `--doc`
[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:18:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![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 0.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d0adc8067a8004b0654331b8b6e7f4699f976a8f39e38d4229d879bcf258bce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0adc8067a8004b0654331b8b6e7f4699f976a8f39e38d4229d879bcf258bce2", kill_on_drop: false }`
[INFO] [stdout] d0adc8067a8004b0654331b8b6e7f4699f976a8f39e38d4229d879bcf258bce2
