[INFO] crate malloc 0.0.4 is already in cache
[INFO] testing malloc-0.0.4 against 1.45.2 for beta-1.46-1
[INFO] extracting crate malloc 0.0.4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate malloc 0.0.4 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate malloc 0.0.4
[INFO] finished tweaking crates.io crate malloc 0.0.4
[INFO] tweaked toml for crates.io crate malloc 0.0.4 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19d2bf22efe84876605ee3aeed0160cfa21d5cb52d22e2c38761275e6294596c
[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" "19d2bf22efe84876605ee3aeed0160cfa21d5cb52d22e2c38761275e6294596c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19d2bf22efe84876605ee3aeed0160cfa21d5cb52d22e2c38761275e6294596c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19d2bf22efe84876605ee3aeed0160cfa21d5cb52d22e2c38761275e6294596c", kill_on_drop: false }`
[INFO] [stdout] 19d2bf22efe84876605ee3aeed0160cfa21d5cb52d22e2c38761275e6294596c
[INFO] running `Command { std: "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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--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] 46795a0f38c747da5323361f5960600613fd1ddb2d12ab1b0bc8ca01caa1978b
[INFO] running `Command { std: "docker" "start" "-a" "46795a0f38c747da5323361f5960600613fd1ddb2d12ab1b0bc8ca01caa1978b", kill_on_drop: false }`
[INFO] [stderr]    Compiling malloc v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `core::arch::wasm32`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::arch::wasm32;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^ no `wasm32` in `arch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `malloc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "46795a0f38c747da5323361f5960600613fd1ddb2d12ab1b0bc8ca01caa1978b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46795a0f38c747da5323361f5960600613fd1ddb2d12ab1b0bc8ca01caa1978b", kill_on_drop: false }`
[INFO] [stdout] 46795a0f38c747da5323361f5960600613fd1ddb2d12ab1b0bc8ca01caa1978b