[INFO] fetching crate mimalloc-sys 0.1.5...
[INFO] extracting crate mimalloc-sys 0.1.5 into work/ex/beta-1.37-6/sources/1.36.0/reg/mimalloc-sys/0.1.5
[INFO] extracting crate mimalloc-sys 0.1.5 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/mimalloc-sys/0.1.5
[INFO] validating manifest of mimalloc-sys-0.1.5 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mimalloc-sys-0.1.5 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mimalloc-sys-0.1.5
[INFO] finished frobbing mimalloc-sys-0.1.5
[INFO] frobbed toml for mimalloc-sys-0.1.5 written to work/ex/beta-1.37-6/sources/1.36.0/reg/mimalloc-sys/0.1.5/Cargo.toml
[INFO] started frobbing mimalloc-sys-0.1.5
[INFO] finished frobbing mimalloc-sys-0.1.5
[INFO] frobbed toml for mimalloc-sys-0.1.5 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/mimalloc-sys/0.1.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mimalloc-sys-0.1.5 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/mimalloc-sys/0.1.5:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 2ca7cda270174de3ad65f675347475fea7c598730fe5fa977630ed6d609ea4ca
[INFO] running `"docker" "start" "-a" "2ca7cda270174de3ad65f675347475fea7c598730fe5fa977630ed6d609ea4ca"`
[INFO] [stderr]    Compiling mimalloc-sys v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `"docker" "inspect" "2ca7cda270174de3ad65f675347475fea7c598730fe5fa977630ed6d609ea4ca"`
[INFO] running `"docker" "rm" "-f" "2ca7cda270174de3ad65f675347475fea7c598730fe5fa977630ed6d609ea4ca"`
[INFO] [stdout] 2ca7cda270174de3ad65f675347475fea7c598730fe5fa977630ed6d609ea4ca
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/mimalloc-sys/0.1.5:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] fc3c11c946105c24a3bcc3725f4fe2ed2953e3712ebe66307cc51571aa37e36f
[INFO] running `"docker" "start" "-a" "fc3c11c946105c24a3bcc3725f4fe2ed2953e3712ebe66307cc51571aa37e36f"`
[INFO] [stderr]    Compiling mimalloc-sys v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "fc3c11c946105c24a3bcc3725f4fe2ed2953e3712ebe66307cc51571aa37e36f"`
[INFO] running `"docker" "rm" "-f" "fc3c11c946105c24a3bcc3725f4fe2ed2953e3712ebe66307cc51571aa37e36f"`
[INFO] [stdout] fc3c11c946105c24a3bcc3725f4fe2ed2953e3712ebe66307cc51571aa37e36f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/mimalloc-sys/0.1.5:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 4e1df1489b14abfece4ddca54b13c32e1cf6b96e3d46bc9aaa7364d50b131b9f
[INFO] running `"docker" "start" "-a" "4e1df1489b14abfece4ddca54b13c32e1cf6b96e3d46bc9aaa7364d50b131b9f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mimalloc_sys-f3a7c29ed9b6b070
[INFO] [stderr] mimalloc: process init: 0x7ff925fad800
[INFO] [stderr] mimalloc: debug level : 3
[INFO] [stderr] mimalloc: option 'show_stats': 0
[INFO] [stderr] heap stats:     peak      total      freed       unit      count  
[INFO] [stderr]    elapsed:     0.000 s
[INFO] [stderr]    process: user: 0.001 s, system: 0.000 s, faults: 0, reclaims: 122, rss: 2.6 mb
[INFO] [stderr] mimalloc: process done: 0x7ff925fad800
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/override-6a8aabef1bcaf186
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mimalloc-sys
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4e1df1489b14abfece4ddca54b13c32e1cf6b96e3d46bc9aaa7364d50b131b9f"`
[INFO] running `"docker" "rm" "-f" "4e1df1489b14abfece4ddca54b13c32e1cf6b96e3d46bc9aaa7364d50b131b9f"`
[INFO] [stdout] 4e1df1489b14abfece4ddca54b13c32e1cf6b96e3d46bc9aaa7364d50b131b9f