[INFO] fetching crate wasmer-middlewares 1.0.0-rc1...
[INFO] testing wasmer-middlewares-1.0.0-rc1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate wasmer-middlewares 1.0.0-rc1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate wasmer-middlewares 1.0.0-rc1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmer-middlewares 1.0.0-rc1
[INFO] finished tweaking crates.io crate wasmer-middlewares 1.0.0-rc1
[INFO] tweaked toml for crates.io crate wasmer-middlewares 1.0.0-rc1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasmer-object v1.0.0-rc1
[INFO] [stderr]   Downloaded wasmer-engine-jit v1.0.0-rc1
[INFO] [stderr]   Downloaded wasmer-compiler-cranelift v1.0.0-rc1
[INFO] [stderr]   Downloaded wasmer-engine-native v1.0.0-rc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b29f088f56161d2a7e9ba4b74dfce58f9558fb39cd9c4ef145d3260736a4d7a2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b29f088f56161d2a7e9ba4b74dfce58f9558fb39cd9c4ef145d3260736a4d7a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b29f088f56161d2a7e9ba4b74dfce58f9558fb39cd9c4ef145d3260736a4d7a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b29f088f56161d2a7e9ba4b74dfce58f9558fb39cd9c4ef145d3260736a4d7a2", kill_on_drop: false }`
[INFO] [stdout] b29f088f56161d2a7e9ba4b74dfce58f9558fb39cd9c4ef145d3260736a4d7a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1269be0856f7620ccf8c4808f1409b9b48dc89b4de11f0f5b772cffa7a3c76c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e1269be0856f7620ccf8c4808f1409b9b48dc89b4de11f0f5b772cffa7a3c76c", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.11.1
[INFO] [stderr]    Compiling wasmparser v0.65.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.68.0
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v1.0.0-rc1
[INFO] [stderr]    Compiling memmap2 v0.2.0
[INFO] [stderr]    Compiling region v2.2.0
[INFO] [stderr]    Compiling regalloc v0.0.31
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling which v4.0.2
[INFO] [stderr]    Compiling object v0.22.0
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling cranelift-bforest v0.68.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.68.0
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling wasmer-vm v1.0.0-rc1
[INFO] [stderr]    Compiling wasmer-compiler v1.0.0-rc1
[INFO] [stderr]    Compiling wasmer-engine v1.0.0-rc1
[INFO] [stderr]    Compiling wasmer-object v1.0.0-rc1
[INFO] [stderr]    Compiling wasmer-engine-native v1.0.0-rc1
[INFO] [stderr]    Compiling wasmer-engine-jit v1.0.0-rc1
[INFO] [stderr]    Compiling cranelift-codegen v0.68.0
[INFO] [stderr]    Compiling cranelift-frontend v0.68.0
[INFO] [stderr]    Compiling wasmer v1.0.0-rc1
[INFO] [stderr]    Compiling wasmer-middlewares v1.0.0-rc1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 16s
[INFO] running `Command { std: "docker" "inspect" "e1269be0856f7620ccf8c4808f1409b9b48dc89b4de11f0f5b772cffa7a3c76c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1269be0856f7620ccf8c4808f1409b9b48dc89b4de11f0f5b772cffa7a3c76c", kill_on_drop: false }`
[INFO] [stdout] e1269be0856f7620ccf8c4808f1409b9b48dc89b4de11f0f5b772cffa7a3c76c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8e3c7a887bd35c53e108b5f67740c0c1a4a0317b88d88f65de87e51799b91090
[INFO] running `Command { std: "docker" "start" "-a" "8e3c7a887bd35c53e108b5f67740c0c1a4a0317b88d88f65de87e51799b91090", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasmer-middlewares v1.0.0-rc1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.81s
[INFO] running `Command { std: "docker" "inspect" "8e3c7a887bd35c53e108b5f67740c0c1a4a0317b88d88f65de87e51799b91090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e3c7a887bd35c53e108b5f67740c0c1a4a0317b88d88f65de87e51799b91090", kill_on_drop: false }`
[INFO] [stdout] 8e3c7a887bd35c53e108b5f67740c0c1a4a0317b88d88f65de87e51799b91090
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4abc69d75cd0c86de72f46a1fad13d3ca1e609f7d2a886e71a24ee75d08713d7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4abc69d75cd0c86de72f46a1fad13d3ca1e609f7d2a886e71a24ee75d08713d7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wasmer_middlewares-85fa842b35ec57ab
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test metering::tests::set_remaining_points_works ... ok
[INFO] [stdout] test metering::tests::get_remaining_points_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests wasmer-middlewares
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4abc69d75cd0c86de72f46a1fad13d3ca1e609f7d2a886e71a24ee75d08713d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4abc69d75cd0c86de72f46a1fad13d3ca1e609f7d2a886e71a24ee75d08713d7", kill_on_drop: false }`
[INFO] [stdout] 4abc69d75cd0c86de72f46a1fad13d3ca1e609f7d2a886e71a24ee75d08713d7