[INFO] fetching crate mimalloc-rust 0.2.1...
[INFO] testing mimalloc-rust-0.2.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mimalloc-rust 0.2.1 into /workspace/builds/worker-4-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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mimalloc-rust 0.2.1 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]     Blocking waiting for file lock on package cache
[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] [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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb2610469d21399c505ded25a43ff3092cb8f0fc8324c19cb3e254ea105a374c
[INFO] running `Command { std: "docker" "start" "-a" "cb2610469d21399c505ded25a43ff3092cb8f0fc8324c19cb3e254ea105a374c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb2610469d21399c505ded25a43ff3092cb8f0fc8324c19cb3e254ea105a374c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb2610469d21399c505ded25a43ff3092cb8f0fc8324c19cb3e254ea105a374c", kill_on_drop: false }`
[INFO] [stdout] cb2610469d21399c505ded25a43ff3092cb8f0fc8324c19cb3e254ea105a374c
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7966bf837c2d2b6bbe831a5101ac6c1c5f8cb0a19bbfd68423fb7b88796eaae
[INFO] running `Command { std: "docker" "start" "-a" "e7966bf837c2d2b6bbe831a5101ac6c1c5f8cb0a19bbfd68423fb7b88796eaae", kill_on_drop: false }`
[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 2.32s
[INFO] running `Command { std: "docker" "inspect" "e7966bf837c2d2b6bbe831a5101ac6c1c5f8cb0a19bbfd68423fb7b88796eaae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7966bf837c2d2b6bbe831a5101ac6c1c5f8cb0a19bbfd68423fb7b88796eaae", kill_on_drop: false }`
[INFO] [stdout] e7966bf837c2d2b6bbe831a5101ac6c1c5f8cb0a19bbfd68423fb7b88796eaae
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1188f5efe79abec75d824188473893bfa106b2670281cadd6c96a3dc134068be
[INFO] running `Command { std: "docker" "start" "-a" "1188f5efe79abec75d824188473893bfa106b2670281cadd6c96a3dc134068be", 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 0.52s
[INFO] running `Command { std: "docker" "inspect" "1188f5efe79abec75d824188473893bfa106b2670281cadd6c96a3dc134068be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1188f5efe79abec75d824188473893bfa106b2670281cadd6c96a3dc134068be", kill_on_drop: false }`
[INFO] [stdout] 1188f5efe79abec75d824188473893bfa106b2670281cadd6c96a3dc134068be
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 472a430508275eee46d36a809c251cb30007d5873c298882c162593c68393bad
[INFO] running `Command { std: "docker" "start" "-a" "472a430508275eee46d36a809c251cb30007d5873c298882c162593c68393bad", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mimalloc_rust-a1c31710eeba2ddc)
[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 0.05s
[INFO] [stdout] 
[INFO] [stderr] heap stats:    peak      total      freed    current       unit      count   
[INFO] [stderr] normal   1:    288 B      464 B      456 B        8 B        8 B       58      not all freed!
[INFO] [stderr] normal   4:    2.9 KiB    5.2 KiB    3.2 KiB    1.9 KiB     32 B      167      not all freed!
[INFO] [stderr] normal   6:    1.0 KiB    4.8 KiB    4.5 KiB    336 B       48 B      103      not all freed!
[INFO] [stderr] normal   8:    1.6 KiB   47.3 KiB   46.3 KiB    1.0 KiB     64 B      754      not all freed!
[INFO] [stderr] normal   9:    4.6 KiB    8.7 KiB    4.3 KiB    4.3 KiB     80 B      111      not all freed!
[INFO] [stderr] normal  10:    1.4 KiB   37.5 KiB   36.5 KiB    1.0 KiB     96 B      399      not all freed!
[INFO] [stderr] normal  11:  112.4 KiB  330.7 KiB  218.7 KiB  112.0 KiB    112 B      3.0 K    not all freed!
[INFO] [stderr] normal  12:    640 B      896 B      768 B      128 B      128 B        7      not all freed!
[INFO] [stderr] normal  13:    6.7 KiB   11.1 KiB    5.0 KiB    6.1 KiB    160 B       71      not all freed!
[INFO] [stderr] normal  14:   68.5 KiB   71.3 KiB    2.8 KiB   68.5 KiB    192 B      379      not all freed!
[INFO] [stderr] normal  15:   85.2 KiB  427.7 KiB  343.4 KiB   84.3 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:    1.5 KiB    9.4 KiB    8.7 KiB    640 B      320 B       30      not all freed!
[INFO] [stderr] normal  18:    7.5 KiB   15.8 KiB    8.6 KiB    7.1 KiB    384 B       42      not all freed!
[INFO] [stderr] normal  19:  198.0 KiB  685.1 KiB  488.4 KiB  196.7 KiB    448 B      1.5 K    not all freed!
[INFO] [stderr] normal  20:    2.5 KiB   14.5 KiB   13.5 KiB    1.0 KiB    512 B       29      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:    7.5 KiB   20.3 KiB   14.3 KiB    6.0 KiB    768 B       27      not all freed!
[INFO] [stderr] normal  23:  430.4 KiB  977.6 KiB  549.8 KiB  427.7 KiB    896 B      1.1 K    not all freed!
[INFO] [stderr] normal  24:    1.0 KiB   25.0 KiB   25.0 KiB      0        1.0 KiB     25      ok
[INFO] [stderr] normal  25:    6.2 KiB   27.6 KiB   22.5 KiB    5.0 KiB    1.2 KiB     22      not all freed!
[INFO] [stderr] normal  26:    9.0 KiB   22.5 KiB   16.5 KiB    6.0 KiB    1.5 KiB     15      not all freed!
[INFO] [stderr] normal  27:  553.4 KiB    1.0 MiB  549.8 KiB  548.1 KiB    1.7 KiB    625      not all freed!
[INFO] [stderr] normal  28:   26.1 KiB   52.2 KiB   28.1 KiB   24.0 KiB    2.0 KiB     26      not all freed!
[INFO] [stderr] normal  29:    7.5 KiB   47.6 KiB   42.6 KiB    5.0 KiB    2.5 KiB     19      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:  671.1 KiB    1.0 MiB  439.2 KiB  660.5 KiB    3.5 KiB    313      not all freed!
[INFO] [stderr] normal  32:   32.1 KiB   56.2 KiB   28.1 KiB   28.1 KiB    4.0 KiB     14      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   60.2 KiB   36.1 KiB   24.0 KiB    6.0 KiB     10      not all freed!
[INFO] [stderr] normal  35:  548.1 KiB  871.4 KiB  337.3 KiB  534.0 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:   50.1 KiB  140.5 KiB  120.4 KiB   20.0 KiB   10.0 KiB     14      not all freed!
[INFO] [stderr] normal  38:   24.0 KiB   84.3 KiB   72.2 KiB   12.0 KiB   12.0 KiB      7      not all freed!
[INFO] [stderr] normal  39:  407.5 KiB  702.7 KiB  323.2 KiB  379.4 KiB   14.0 KiB     50      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  240.9 KiB  200.7 KiB   40.1 KiB   20.0 KiB     12      not all freed!
[INFO] [stderr] normal  42:   48.1 KiB   72.2 KiB   24.0 KiB   48.1 KiB   24.0 KiB      3      not all freed!
[INFO] [stderr] normal  43:  449.7 KiB  590.3 KiB  168.6 KiB  421.6 KiB   28.1 KiB     21      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:  120.4 KiB  321.2 KiB  200.7 KiB  120.4 KiB   40.1 KiB      8      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     882 B     11.2 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    5.8 MiB  859.8 KiB    4.9 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:    121        193        103         90                            not all freed!
[INFO] [stderr] -abandoned:     88         90         90          0                            ok
[INFO] [stderr]  -extended:    907    
[INFO] [stderr]  -noretire:    639    
[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:       0.056 s
[INFO] [stderr]    process: user: 0.026 s, system: 0.006 s, faults: 0, rss: 25.7 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] [stderr] error: doctest failed, to rerun pass `--doc`
[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] 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 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "472a430508275eee46d36a809c251cb30007d5873c298882c162593c68393bad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "472a430508275eee46d36a809c251cb30007d5873c298882c162593c68393bad", kill_on_drop: false }`
[INFO] [stdout] 472a430508275eee46d36a809c251cb30007d5873c298882c162593c68393bad
