[INFO] fetching crate wasmer-runtime 0.5.7...
[INFO] extracting crate wasmer-runtime 0.5.7 into work/ex/beta-1.37-6/sources/1.36.0/reg/wasmer-runtime/0.5.7
[INFO] extracting crate wasmer-runtime 0.5.7 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/wasmer-runtime/0.5.7
[INFO] validating manifest of wasmer-runtime-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-runtime-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-runtime-0.5.7
[INFO] finished frobbing wasmer-runtime-0.5.7
[INFO] frobbed toml for wasmer-runtime-0.5.7 written to work/ex/beta-1.37-6/sources/1.36.0/reg/wasmer-runtime/0.5.7/Cargo.toml
[INFO] started frobbing wasmer-runtime-0.5.7
[INFO] finished frobbing wasmer-runtime-0.5.7
[INFO] frobbed toml for wasmer-runtime-0.5.7 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/wasmer-runtime/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] 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasmer-singlepass-backend v0.5.7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing wasmer-runtime-0.5.7 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/wasmer-runtime/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 352677c82986383113ae23ef9b05450bb8294ac1d56f3944537e087f47feb740
[INFO] running `"docker" "start" "-a" "352677c82986383113ae23ef9b05450bb8294ac1d56f3944537e087f47feb740"`
[INFO] [stderr]    Compiling cranelift-entity v0.31.0
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling wasmparser v0.32.1
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr]    Compiling page_size v0.4.1
[INFO] [stderr]    Compiling serde_bytes v0.10.5
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]    Compiling serde-bench v0.0.7
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.31.0
[INFO] [stderr]    Compiling cranelift-bforest v0.31.0
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling winconsole v0.10.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling blake2b_simd v0.4.1
[INFO] [stderr]    Compiling colored v1.8.0
[INFO] [stderr]    Compiling target-lexicon v0.4.0
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling wasmer-runtime-core v0.5.7
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling cranelift-codegen v0.31.0
[INFO] [stderr]    Compiling wasmer-clif-fork-frontend v0.31.0
[INFO] [stderr]    Compiling cranelift-native v0.31.0
[INFO] [stderr]    Compiling wasmer-clif-fork-wasm v0.31.0
[INFO] [stderr]    Compiling wasmer-clif-backend v0.5.7
[INFO] [stderr]    Compiling wasmer-runtime v0.5.7 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 53s
[INFO] running `"docker" "inspect" "352677c82986383113ae23ef9b05450bb8294ac1d56f3944537e087f47feb740"`
[INFO] running `"docker" "rm" "-f" "352677c82986383113ae23ef9b05450bb8294ac1d56f3944537e087f47feb740"`
[INFO] [stdout] 352677c82986383113ae23ef9b05450bb8294ac1d56f3944537e087f47feb740
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/wasmer-runtime/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] db3151fd3506f2cb634851941d778404a4edb8a193ded9601c3a1d95bdf1314b
[INFO] running `"docker" "start" "-a" "db3151fd3506f2cb634851941d778404a4edb8a193ded9601c3a1d95bdf1314b"`
[INFO] [stderr]    Compiling wabt-sys v0.5.4
[INFO] [stderr]    Compiling tinytemplate v1.0.2
[INFO] [stderr]    Compiling bstr v0.2.6
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling wabt v0.7.4
[INFO] [stderr]    Compiling wasmer-runtime v0.5.7 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Value`
[INFO] [stderr]  --> examples/call.rs:1:79
[INFO] [stderr]   |
[INFO] [stderr] 1 | use wasmer_runtime::{compile, error, error::RuntimeError, imports, Ctx, Func, Value};
[INFO] [stderr]   |                                                                               ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `foobar`
[INFO] [stderr]   --> examples/call.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn foobar(_ctx: &mut Ctx) -> i32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `"docker" "inspect" "db3151fd3506f2cb634851941d778404a4edb8a193ded9601c3a1d95bdf1314b"`
[INFO] running `"docker" "rm" "-f" "db3151fd3506f2cb634851941d778404a4edb8a193ded9601c3a1d95bdf1314b"`
[INFO] [stdout] db3151fd3506f2cb634851941d778404a4edb8a193ded9601c3a1d95bdf1314b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/wasmer-runtime/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 6018cc5c0c1e2d29eb7dfbbe29bb34a8466dd807a4df3034445a4e5e0842bab1
[INFO] running `"docker" "start" "-a" "6018cc5c0c1e2d29eb7dfbbe29bb34a8466dd807a4df3034445a4e5e0842bab1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wasmer_runtime-cdfd523943591f12
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test cache::tests::test_file_system_cache_run ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/error_propagation-e3e51067cb121620
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test error_propagation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests wasmer-runtime
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/cache.rs - cache::FileSystemCache (line 24) ... ok
[INFO] [stdout] test src/lib.rs -  (line 32) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6018cc5c0c1e2d29eb7dfbbe29bb34a8466dd807a4df3034445a4e5e0842bab1"`
[INFO] running `"docker" "rm" "-f" "6018cc5c0c1e2d29eb7dfbbe29bb34a8466dd807a4df3034445a4e5e0842bab1"`
[INFO] [stdout] 6018cc5c0c1e2d29eb7dfbbe29bb34a8466dd807a4df3034445a4e5e0842bab1