[INFO] fetching crate mimalloc-rust 0.2.1...
[INFO] testing mimalloc-rust-0.2.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate mimalloc-rust 0.2.1 into /workspace/builds/worker-4-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mimalloc-rust 0.2.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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" "+1.90.0" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30e5f53f293f4b4c5f8d4a2ed7bb23d1f3f2b3259e7a0fd1b718b3cffb49395e
[INFO] running `Command { std: "docker" "start" "-a" "30e5f53f293f4b4c5f8d4a2ed7bb23d1f3f2b3259e7a0fd1b718b3cffb49395e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30e5f53f293f4b4c5f8d4a2ed7bb23d1f3f2b3259e7a0fd1b718b3cffb49395e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30e5f53f293f4b4c5f8d4a2ed7bb23d1f3f2b3259e7a0fd1b718b3cffb49395e", kill_on_drop: false }`
[INFO] [stdout] 30e5f53f293f4b4c5f8d4a2ed7bb23d1f3f2b3259e7a0fd1b718b3cffb49395e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5df973d1ef8953c21a1de206afa1feda35d5ad4579774b41492e1d58772792d
[INFO] running `Command { std: "docker" "start" "-a" "d5df973d1ef8953c21a1de206afa1feda35d5ad4579774b41492e1d58772792d", 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 1.86s
[INFO] running `Command { std: "docker" "inspect" "d5df973d1ef8953c21a1de206afa1feda35d5ad4579774b41492e1d58772792d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5df973d1ef8953c21a1de206afa1feda35d5ad4579774b41492e1d58772792d", kill_on_drop: false }`
[INFO] [stdout] d5df973d1ef8953c21a1de206afa1feda35d5ad4579774b41492e1d58772792d
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6af3f60e9474a5f90bd9c17a62ab26f73913f8728c5b85fffe4c4fd1fe87c397
[INFO] running `Command { std: "docker" "start" "-a" "6af3f60e9474a5f90bd9c17a62ab26f73913f8728c5b85fffe4c4fd1fe87c397", 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 0.30s
[INFO] running `Command { std: "docker" "inspect" "6af3f60e9474a5f90bd9c17a62ab26f73913f8728c5b85fffe4c4fd1fe87c397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6af3f60e9474a5f90bd9c17a62ab26f73913f8728c5b85fffe4c4fd1fe87c397", kill_on_drop: false }`
[INFO] [stdout] 6af3f60e9474a5f90bd9c17a62ab26f73913f8728c5b85fffe4c4fd1fe87c397
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9f35995ea8571ac153066d99c04be79123713972ad3d403f44e29080c7c03d91
[INFO] running `Command { std: "docker" "start" "-a" "9f35995ea8571ac153066d99c04be79123713972ad3d403f44e29080c7c03d91", 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-7743ddcf4748ec71)
[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 0.03s
[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:    2.7 KiB    5.1 KiB    3.2 KiB    1.8 KiB     32 B      164      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   47.8 KiB   46.8 KiB    1.0 KiB     64 B      762      not all freed!
[INFO] [stderr] normal   9:    4.8 KiB    8.8 KiB    4.3 KiB    4.5 KiB     80 B      113      not all freed!
[INFO] [stderr] normal  10:    1.4 KiB   39.9 KiB   38.8 KiB    1.0 KiB     96 B      424      not all freed!
[INFO] [stderr] normal  11:  114.1 KiB  330.5 KiB  216.7 KiB  113.7 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:   73.0 KiB   76.0 KiB    3.0 KiB   73.0 KiB    192 B      404      not all freed!
[INFO] [stderr] normal  15:   84.7 KiB  424.7 KiB  340.8 KiB   83.8 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:    1.5 KiB    9.7 KiB    9.0 KiB    640 B      320 B       31      not all freed!
[INFO] [stderr] normal  18:    8.6 KiB   16.5 KiB    8.2 KiB    8.2 KiB    384 B       44      not all freed!
[INFO] [stderr] normal  19:  198.0 KiB  679.9 KiB  483.1 KiB  196.7 KiB    448 B      1.5 K    not all freed!
[INFO] [stderr] normal  20:    2.5 KiB   16.0 KiB   15.0 KiB    1.0 KiB    512 B       32      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:  432.1 KiB  967.1 KiB  537.6 KiB  429.5 KiB    896 B      1.1 K    not all freed!
[INFO] [stderr] normal  24:    1.0 KiB   28.1 KiB   28.1 KiB      0        1.0 KiB     28      ok
[INFO] [stderr] normal  25:    5.0 KiB   28.8 KiB   25.0 KiB    3.7 KiB    1.2 KiB     23      not all freed!
[INFO] [stderr] normal  26:    7.5 KiB   21.0 KiB   15.0 KiB    6.0 KiB    1.5 KiB     14      not all freed!
[INFO] [stderr] normal  27:  535.8 KiB    1.0 MiB  542.8 KiB  530.5 KiB    1.7 KiB    611      not all freed!
[INFO] [stderr] normal  28:   32.1 KiB   58.2 KiB   28.1 KiB   30.1 KiB    2.0 KiB     29      not all freed!
[INFO] [stderr] normal  29:   12.5 KiB   52.7 KiB   45.1 KiB    7.5 KiB    2.5 KiB     21      not all freed!
[INFO] [stderr] normal  30:    6.0 KiB   30.1 KiB   30.1 KiB      0        3.0 KiB     10      ok
[INFO] [stderr] normal  31:  671.1 KiB    1.0 MiB  425.1 KiB  660.5 KiB    3.5 KiB    309      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:   24.0 KiB   60.2 KiB   42.1 KiB   18.0 KiB    6.0 KiB     10      not all freed!
[INFO] [stderr] normal  35:  520.0 KiB  843.2 KiB  337.3 KiB  505.9 KiB    7.0 KiB    120      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:   60.2 KiB  160.6 KiB  140.5 KiB   20.0 KiB   10.0 KiB     16      not all freed!
[INFO] [stderr] normal  38:   36.1 KiB   72.2 KiB   48.1 KiB   24.0 KiB   12.0 KiB      6      not all freed!
[INFO] [stderr] normal  39:  435.7 KiB  702.7 KiB  295.1 KiB  407.5 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:  365.4 KiB  534.0 KiB  196.7 KiB  337.3 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:  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  393.5 KiB  168.6 KiB  224.8 KiB   56.2 KiB      7      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:  449.7 KiB  562.1 KiB  224.8 KiB  337.3 KiB  112.4 KiB      5      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     886 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    6.0 MiB  997.0 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:    121        202        111         91                            not all freed!
[INFO] [stderr] -abandoned:     89         91         91          0                            ok
[INFO] [stderr]  -extended:    911    
[INFO] [stderr]  -noretire:    690    
[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:       0.035 s
[INFO] [stderr]    process: user: 0.028 s, system: 0.004 s, faults: 0, rss: 25.6 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:18:1
[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 0.31s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "9f35995ea8571ac153066d99c04be79123713972ad3d403f44e29080c7c03d91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f35995ea8571ac153066d99c04be79123713972ad3d403f44e29080c7c03d91", kill_on_drop: false }`
[INFO] [stdout] 9f35995ea8571ac153066d99c04be79123713972ad3d403f44e29080c7c03d91
