[INFO] fetching crate wasmer-wasi 0.5.7...
[INFO] extracting crate wasmer-wasi 0.5.7 into work/ex/beta-1.37-6/sources/1.36.0/reg/wasmer-wasi/0.5.7
[INFO] extracting crate wasmer-wasi 0.5.7 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/wasmer-wasi/0.5.7
[INFO] validating manifest of wasmer-wasi-0.5.7 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 wasmer-wasi-0.5.7 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 wasmer-wasi-0.5.7
[INFO] finished frobbing wasmer-wasi-0.5.7
[INFO] frobbed toml for wasmer-wasi-0.5.7 written to work/ex/beta-1.37-6/sources/1.36.0/reg/wasmer-wasi/0.5.7/Cargo.toml
[INFO] started frobbing wasmer-wasi-0.5.7
[INFO] finished frobbing wasmer-wasi-0.5.7
[INFO] frobbed toml for wasmer-wasi-0.5.7 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/wasmer-wasi/0.5.7/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] [stderr]     Blocking waiting for file lock on package cache
[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 wasmer-wasi-0.5.7 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-3/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/wasmer-wasi/0.5.7:/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] 6d8635bb57d5ad4efa7bc24d5ae4c468de20d716a573fb2436ec1dc356733552
[INFO] running `"docker" "start" "-a" "6d8635bb57d5ad4efa7bc24d5ae4c468de20d716a573fb2436ec1dc356733552"`
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling wasmparser v0.32.1
[INFO] [stderr]    Compiling generational-arena v0.2.2
[INFO] [stderr]    Compiling page_size v0.4.1
[INFO] [stderr]    Compiling errno v0.2.4
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling serde_bytes v0.10.5
[INFO] [stderr]    Compiling serde-bench v0.0.7
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling winconsole v0.10.0
[INFO] [stderr]    Compiling blake2b_simd v0.4.1
[INFO] [stderr]    Compiling colored v1.8.0
[INFO] [stderr]    Compiling wasmer-runtime-core v0.5.7
[INFO] [stderr]    Compiling wasmer-wasi v0.5.7 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.89s
[INFO] running `"docker" "inspect" "6d8635bb57d5ad4efa7bc24d5ae4c468de20d716a573fb2436ec1dc356733552"`
[INFO] running `"docker" "rm" "-f" "6d8635bb57d5ad4efa7bc24d5ae4c468de20d716a573fb2436ec1dc356733552"`
[INFO] [stdout] 6d8635bb57d5ad4efa7bc24d5ae4c468de20d716a573fb2436ec1dc356733552
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/wasmer-wasi/0.5.7:/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] 2fa6566d3cbc180669931ab5bc6332a888f755ebea68eabb1cc085a93ca76c06
[INFO] running `"docker" "start" "-a" "2fa6566d3cbc180669931ab5bc6332a888f755ebea68eabb1cc085a93ca76c06"`
[INFO] [stderr]    Compiling wasmer-wasi v0.5.7 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `"docker" "inspect" "2fa6566d3cbc180669931ab5bc6332a888f755ebea68eabb1cc085a93ca76c06"`
[INFO] running `"docker" "rm" "-f" "2fa6566d3cbc180669931ab5bc6332a888f755ebea68eabb1cc085a93ca76c06"`
[INFO] [stdout] 2fa6566d3cbc180669931ab5bc6332a888f755ebea68eabb1cc085a93ca76c06
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/wasmer-wasi/0.5.7:/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] 2fe094529760ca20cd9562d7722aea35de32eb6e6560ca0f7b2340b3b8b4dcb6
[INFO] running `"docker" "start" "-a" "2fe094529760ca20cd9562d7722aea35de32eb6e6560ca0f7b2340b3b8b4dcb6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wasmer_wasi-b4f34b8f013cf33e
[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 wasmer-wasi
[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" "2fe094529760ca20cd9562d7722aea35de32eb6e6560ca0f7b2340b3b8b4dcb6"`
[INFO] running `"docker" "rm" "-f" "2fe094529760ca20cd9562d7722aea35de32eb6e6560ca0f7b2340b3b8b4dcb6"`
[INFO] [stdout] 2fe094529760ca20cd9562d7722aea35de32eb6e6560ca0f7b2340b3b8b4dcb6