[INFO] fetching crate wasmer 1.0.0-alpha5...
[INFO] checking wasmer-1.0.0-alpha5 against beta for pr-78714
[INFO] extracting crate wasmer 1.0.0-alpha5 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate wasmer 1.0.0-alpha5 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 wasmer 1.0.0-alpha5
[INFO] finished tweaking crates.io crate wasmer 1.0.0-alpha5
[INFO] tweaked toml for crates.io crate wasmer 1.0.0-alpha5 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 2765049026d5fef23de5b14f8055ea958a875925a035e9977a023635254278ec
[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" "2765049026d5fef23de5b14f8055ea958a875925a035e9977a023635254278ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2765049026d5fef23de5b14f8055ea958a875925a035e9977a023635254278ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2765049026d5fef23de5b14f8055ea958a875925a035e9977a023635254278ec", kill_on_drop: false }`
[INFO] [stdout] 2765049026d5fef23de5b14f8055ea958a875925a035e9977a023635254278ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 1ca00002b4ffc267e02290dce90e549f91ee2ea99ba168b922819a71ef1b57eb
[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" "1ca00002b4ffc267e02290dce90e549f91ee2ea99ba168b922819a71ef1b57eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.11.1
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.67.0
[INFO] [stderr]     Checking wasmparser v0.65.0
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v1.0.0-alpha5
[INFO] [stderr]     Checking wast v27.0.0
[INFO] [stderr]     Checking regalloc v0.0.30
[INFO] [stderr]    Compiling cranelift-entity v0.67.0
[INFO] [stderr]     Checking which v4.0.2
[INFO] [stderr]    Compiling enumset_derive v0.5.0
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking object v0.21.1
[INFO] [stderr]     Checking wasmer-types v1.0.0-alpha5
[INFO] [stderr]     Checking cranelift-bforest v0.67.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.67.0
[INFO] [stderr]     Checking wasmer-vm v1.0.0-alpha5
[INFO] [stderr]     Checking enumset v1.0.1
[INFO] [stderr]     Checking wasmer-compiler v1.0.0-alpha5
[INFO] [stderr]     Checking wat v1.0.28
[INFO] [stderr]     Checking wasmer-engine v1.0.0-alpha5
[INFO] [stderr]     Checking wasmer-object v1.0.0-alpha5
[INFO] [stderr]     Checking wasmer-engine-native v1.0.0-alpha5
[INFO] [stderr]     Checking wasmer-engine-jit v1.0.0-alpha5
[INFO] [stderr]    Compiling cranelift-codegen v0.67.0
[INFO] [stderr]     Checking cranelift-frontend v0.67.0
[INFO] [stderr]     Checking wasmer v1.0.0-alpha5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "1ca00002b4ffc267e02290dce90e549f91ee2ea99ba168b922819a71ef1b57eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ca00002b4ffc267e02290dce90e549f91ee2ea99ba168b922819a71ef1b57eb", kill_on_drop: false }`
[INFO] [stdout] 1ca00002b4ffc267e02290dce90e549f91ee2ea99ba168b922819a71ef1b57eb