[INFO] crate holochain_wasmer_host 0.0.24 is already in cache
[INFO] testing holochain_wasmer_host-0.0.24 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate holochain_wasmer_host 0.0.24 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate holochain_wasmer_host 0.0.24 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate holochain_wasmer_host 0.0.24
[INFO] finished tweaking crates.io crate holochain_wasmer_host 0.0.24
[INFO] tweaked toml for crates.io crate holochain_wasmer_host 0.0.24 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 61f1cc4883a9c53b0efb54c48095abbb005ba746c757f8f19d7a38149e3607f8
[INFO] running `"docker" "start" "-a" "61f1cc4883a9c53b0efb54c48095abbb005ba746c757f8f19d7a38149e3607f8"`
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling cranelift-entity v0.52.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.52.0
[INFO] [stderr]    Compiling target-lexicon v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling syn v0.15.31
[INFO] [stderr]    Compiling wasmparser v0.45.2
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.52.0
[INFO] [stderr]    Compiling cranelift-bforest v0.52.0
[INFO] [stderr]    Compiling blake2b_simd v0.5.10
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling errno v0.2.5
[INFO] [stderr]    Compiling page_size v0.4.2
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling rmp v0.8.9
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling wasmer-runtime-core v0.13.1
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling thiserror v1.0.15
[INFO] [stderr]    Compiling holochain_serialized_bytes_derive v0.0.36
[INFO] [stderr]    Compiling cranelift-codegen v0.52.0
[INFO] [stderr]    Compiling serde_bytes v0.11.3
[INFO] [stderr]    Compiling bincode v1.2.1
[INFO] [stderr]    Compiling serde-bench v0.0.7
[INFO] [stderr]    Compiling rmp-serde v0.14.3
[INFO] [stderr]    Compiling serde-transcode v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling holochain_serialized_bytes v0.0.36
[INFO] [stderr]    Compiling holochain_wasmer_common v0.0.24
[INFO] [stderr]    Compiling wasmer-clif-fork-frontend v0.52.0
[INFO] [stderr]    Compiling cranelift-native v0.52.0
[INFO] [stderr]    Compiling wasmer-clif-fork-wasm v0.52.0
[INFO] [stderr]    Compiling wasmer-clif-backend v0.13.1
[INFO] [stderr]    Compiling wasmer-runtime v0.13.1
[INFO] [stderr]    Compiling holochain_wasmer_host v0.0.24 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/memory_cache.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         { Mutex::new(HashMap::new()) };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 51s
[INFO] running `"docker" "inspect" "61f1cc4883a9c53b0efb54c48095abbb005ba746c757f8f19d7a38149e3607f8"`
[INFO] running `"docker" "rm" "-f" "61f1cc4883a9c53b0efb54c48095abbb005ba746c757f8f19d7a38149e3607f8"`
[INFO] [stdout] 61f1cc4883a9c53b0efb54c48095abbb005ba746c757f8f19d7a38149e3607f8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4b84c717fd3666887c782d3cd06ba0d78e6035664aaf4d693f48f6a24d654712
[INFO] running `"docker" "start" "-a" "4b84c717fd3666887c782d3cd06ba0d78e6035664aaf4d693f48f6a24d654712"`
[INFO] [stderr]    Compiling holochain_wasmer_host v0.0.24 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/memory_cache.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         { Mutex::new(HashMap::new()) };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/memory_cache.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         { Mutex::new(HashMap::new()) };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.08s
[INFO] running `"docker" "inspect" "4b84c717fd3666887c782d3cd06ba0d78e6035664aaf4d693f48f6a24d654712"`
[INFO] running `"docker" "rm" "-f" "4b84c717fd3666887c782d3cd06ba0d78e6035664aaf4d693f48f6a24d654712"`
[INFO] [stdout] 4b84c717fd3666887c782d3cd06ba0d78e6035664aaf4d693f48f6a24d654712
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 463f63397f4b8ef04d1ef3b9b5d4616ab983146e8f3ec93daf5fcd66a76f52a3
[INFO] running `"docker" "start" "-a" "463f63397f4b8ef04d1ef3b9b5d4616ab983146e8f3ec93daf5fcd66a76f52a3"`
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/memory_cache.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         { Mutex::new(HashMap::new()) };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/memory_cache.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         { Mutex::new(HashMap::new()) };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/holochain_wasmer_host-905819b8b425b5a1
[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 holochain_wasmer_host
[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" "463f63397f4b8ef04d1ef3b9b5d4616ab983146e8f3ec93daf5fcd66a76f52a3"`
[INFO] running `"docker" "rm" "-f" "463f63397f4b8ef04d1ef3b9b5d4616ab983146e8f3ec93daf5fcd66a76f52a3"`
[INFO] [stdout] 463f63397f4b8ef04d1ef3b9b5d4616ab983146e8f3ec93daf5fcd66a76f52a3