[INFO] fetching crate wasmer-engine-native 1.0.0-alpha01.0...
[INFO] checking wasmer-engine-native-1.0.0-alpha01.0 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] extracting crate wasmer-engine-native 1.0.0-alpha01.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate wasmer-engine-native 1.0.0-alpha01.0 on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmer-engine-native 1.0.0-alpha01.0
[INFO] finished tweaking crates.io crate wasmer-engine-native 1.0.0-alpha01.0
[INFO] tweaked toml for crates.io crate wasmer-engine-native 1.0.0-alpha01.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasmer-object v1.0.0-alpha01.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "metadata" "--no-deps" "--format-version=1", 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] 192e2dd194401fee0506b66debc8b7a15cbdd73e98e38406d53404f168ecd948
[INFO] running `Command { std: "docker" "start" "-a" "192e2dd194401fee0506b66debc8b7a15cbdd73e98e38406d53404f168ecd948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "192e2dd194401fee0506b66debc8b7a15cbdd73e98e38406d53404f168ecd948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "192e2dd194401fee0506b66debc8b7a15cbdd73e98e38406d53404f168ecd948", kill_on_drop: false }`
[INFO] [stdout] 192e2dd194401fee0506b66debc8b7a15cbdd73e98e38406d53404f168ecd948
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2ee7aa743d12d56a38deb1a34204ab8815371d5a450cbd2979486fbc99daffe
[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" "c2ee7aa743d12d56a38deb1a34204ab8815371d5a450cbd2979486fbc99daffe", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling libloading v0.6.3
[INFO] [stderr]     Checking tracing-core v0.1.15
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling enumset_derive v0.5.0
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking enumset v1.0.1
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking cranelift-entity v0.65.0
[INFO] [stderr]     Checking indexmap v1.5.2
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking wasmer-types v1.0.0-alpha01.0
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking wasmer-vm v1.0.0-alpha01.0
[INFO] [stderr]     Checking wasmer-compiler v1.0.0-alpha01.0
[INFO] [stderr]     Checking wasmer-engine v1.0.0-alpha01.0
[INFO] [stderr]     Checking wasmer-object v1.0.0-alpha01.0
[INFO] [stderr]     Checking wasmer-engine-native v1.0.0-alpha01.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "c2ee7aa743d12d56a38deb1a34204ab8815371d5a450cbd2979486fbc99daffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2ee7aa743d12d56a38deb1a34204ab8815371d5a450cbd2979486fbc99daffe", kill_on_drop: false }`
[INFO] [stdout] c2ee7aa743d12d56a38deb1a34204ab8815371d5a450cbd2979486fbc99daffe