[INFO] fetching crate wasmtime-async 0.1.1...
[INFO] checking wasmtime-async-0.1.1 against beta for pr-78714
[INFO] extracting crate wasmtime-async 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate wasmtime-async 0.1.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmtime-async 0.1.1
[INFO] finished tweaking crates.io crate wasmtime-async 0.1.1
[INFO] tweaked toml for crates.io crate wasmtime-async 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate wasmtime-async 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded piper v0.1.1
[INFO] [stderr]   Downloaded cranelift-frontend v0.63.0
[INFO] [stderr]   Downloaded region v2.1.2
[INFO] [stderr]   Downloaded file-per-thread-logger v0.1.2
[INFO] [stderr]   Downloaded cranelift-bforest v0.63.0
[INFO] [stderr]   Downloaded cranelift-entity v0.63.0
[INFO] [stderr]   Downloaded cranelift-wasm v0.63.0
[INFO] [stderr]   Downloaded smol v0.1.4
[INFO] [stderr]   Downloaded wasmtime-debug v0.16.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.63.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.63.0
[INFO] [stderr]   Downloaded wasmtime-runtime v0.16.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.63.0
[INFO] [stderr]   Downloaded zstd-sys v1.4.15+zstd.1.4.4
[INFO] [stderr]   Downloaded wasmtime-jit v0.16.0
[INFO] [stderr]   Downloaded wasmtime-profiling v0.16.0
[INFO] [stderr]   Downloaded cranelift-native v0.63.0
[INFO] [stderr]   Downloaded scroll_derive v0.10.1
[INFO] [stderr]   Downloaded regalloc v0.0.21
[INFO] [stderr]   Downloaded wast v14.0.0
[INFO] [stderr]   Downloaded wat v1.0.15
[INFO] [stderr]   Downloaded wasmtime v0.16.0
[INFO] [stderr]   Downloaded wasmtime-environ v0.16.0
[INFO] [stderr]   Downloaded zstd-safe v2.0.3+zstd.1.4.4
[INFO] [stderr]   Downloaded zstd v0.5.1+zstd.1.4.4
[INFO] [stderr]   Downloaded wepoll-binding v2.0.0
[INFO] [stderr]   Downloaded bincode v1.2.1
[INFO] [stderr]   Downloaded context v2.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca472e7123d592ec26e3aaf06b15c72d22f2bc2a658592abebeed43a7c734b02
[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" "ca472e7123d592ec26e3aaf06b15c72d22f2bc2a658592abebeed43a7c734b02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca472e7123d592ec26e3aaf06b15c72d22f2bc2a658592abebeed43a7c734b02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca472e7123d592ec26e3aaf06b15c72d22f2bc2a658592abebeed43a7c734b02", kill_on_drop: false }`
[INFO] [stdout] ca472e7123d592ec26e3aaf06b15c72d22f2bc2a658592abebeed43a7c734b02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 219a3a3f43a8e5201c179c69294b645325e85b67a5460aaf86df237866572f50
[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" "219a3a3f43a8e5201c179c69294b645325e85b67a5460aaf86df237866572f50", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.63.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking wasmparser v0.51.4
[INFO] [stderr]    Compiling wasmtime-environ v0.16.0
[INFO] [stderr]     Checking base64 v0.12.0
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking wast v14.0.0
[INFO] [stderr]     Checking regalloc v0.0.21
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking gimli v0.20.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking errno v0.2.5
[INFO] [stderr]     Checking region v2.1.2
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking object v0.18.0
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking file-per-thread-logger v0.1.2
[INFO] [stderr]     Checking wat v1.0.15
[INFO] [stderr]    Compiling zstd-sys v1.4.15+zstd.1.4.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling wasmtime-runtime v0.16.0
[INFO] [stderr]    Compiling context v2.1.0
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling thiserror-impl v1.0.16
[INFO] [stderr]    Compiling scroll_derive v0.10.1
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking thiserror v1.0.16
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking goblin v0.1.3
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking piper v0.1.1
[INFO] [stderr]     Checking smol v0.1.4
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking cranelift-entity v0.63.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking string-interner v0.7.1
[INFO] [stderr]     Checking faerie v0.15.0
[INFO] [stderr]     Checking cranelift-bforest v0.63.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.63.0
[INFO] [stderr]     Checking zstd-safe v2.0.3+zstd.1.4.4
[INFO] [stderr]     Checking zstd v0.5.1+zstd.1.4.4
[INFO] [stderr]    Compiling cranelift-codegen v0.63.0
[INFO] [stderr]     Checking cranelift-frontend v0.63.0
[INFO] [stderr]     Checking cranelift-native v0.63.0
[INFO] [stderr]     Checking cranelift-wasm v0.63.0
[INFO] [stderr]     Checking wasmtime-debug v0.16.0
[INFO] [stderr]     Checking wasmtime-profiling v0.16.0
[INFO] [stderr]     Checking wasmtime-jit v0.16.0
[INFO] [stderr]     Checking wasmtime v0.16.0
[INFO] [stderr]     Checking wasmtime-async v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 28s
[INFO] running `Command { std: "docker" "inspect" "219a3a3f43a8e5201c179c69294b645325e85b67a5460aaf86df237866572f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "219a3a3f43a8e5201c179c69294b645325e85b67a5460aaf86df237866572f50", kill_on_drop: false }`
[INFO] [stdout] 219a3a3f43a8e5201c179c69294b645325e85b67a5460aaf86df237866572f50