[INFO] fetching crate mlua_serde 0.5.1...
[INFO] testing mlua_serde-0.5.1 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate mlua_serde 0.5.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mlua_serde 0.5.1 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mlua_serde 0.5.1
[INFO] finished tweaking crates.io crate mlua_serde 0.5.1
[INFO] tweaked toml for crates.io crate mlua_serde 0.5.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lua-src v540.0.1
[INFO] [stderr]   Downloaded luajit-src v210.1.0+resty31116c4
[INFO] [stderr]   Downloaded mlua v0.4.2
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d85187a0b805c4683d32bc3c52fca61b14e51c6ad2782a1f6a94280be4cf51ae
[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" "d85187a0b805c4683d32bc3c52fca61b14e51c6ad2782a1f6a94280be4cf51ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d85187a0b805c4683d32bc3c52fca61b14e51c6ad2782a1f6a94280be4cf51ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d85187a0b805c4683d32bc3c52fca61b14e51c6ad2782a1f6a94280be4cf51ae", kill_on_drop: false }`
[INFO] [stdout] d85187a0b805c4683d32bc3c52fca61b14e51c6ad2782a1f6a94280be4cf51ae
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7039d8436fd4f36e1557f7b8d80240f262c2bb54a55fda4ae1288fd45268aba5
[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" "7039d8436fd4f36e1557f7b8d80240f262c2bb54a55fda4ae1288fd45268aba5", kill_on_drop: false }`
[INFO] [stderr]    Compiling mlua v0.4.2
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stdout] error: You must enable one of the features: lua54, lua53, lua52, lua51, luajit
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mlua-0.4.2/build/main.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     compile_error!("You must enable one of the features: lua54, lua53, lua52, lua51, luajit");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mlua`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7039d8436fd4f36e1557f7b8d80240f262c2bb54a55fda4ae1288fd45268aba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7039d8436fd4f36e1557f7b8d80240f262c2bb54a55fda4ae1288fd45268aba5", kill_on_drop: false }`
[INFO] [stdout] 7039d8436fd4f36e1557f7b8d80240f262c2bb54a55fda4ae1288fd45268aba5
