[INFO] fetching crate mlua_serde 0.5.1...
[INFO] checking mlua_serde-0.5.1 against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] extracting crate mlua_serde 0.5.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mlua_serde 0.5.1 on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "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 luajit-src v210.1.3+restyfe08842
[INFO] [stderr]   Downloaded lua-src v540.0.1
[INFO] [stderr]   Downloaded mlua v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "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] 6d167d5bec7dca4bc6c0c76a078eb4ac3ff1ff3db477d0d98b67a518a5675bce
[INFO] running `Command { std: "docker" "start" "-a" "6d167d5bec7dca4bc6c0c76a078eb4ac3ff1ff3db477d0d98b67a518a5675bce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d167d5bec7dca4bc6c0c76a078eb4ac3ff1ff3db477d0d98b67a518a5675bce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d167d5bec7dca4bc6c0c76a078eb4ac3ff1ff3db477d0d98b67a518a5675bce", kill_on_drop: false }`
[INFO] [stdout] 6d167d5bec7dca4bc6c0c76a078eb4ac3ff1ff3db477d0d98b67a518a5675bce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01a618087e767b92e85e64edf45c06e9ccf4b84220dac6e535d427b9eb5d5776
[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" "01a618087e767b92e85e64edf45c06e9ccf4b84220dac6e535d427b9eb5d5776", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling mlua v0.4.2
[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" "01a618087e767b92e85e64edf45c06e9ccf4b84220dac6e535d427b9eb5d5776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01a618087e767b92e85e64edf45c06e9ccf4b84220dac6e535d427b9eb5d5776", kill_on_drop: false }`
[INFO] [stdout] 01a618087e767b92e85e64edf45c06e9ccf4b84220dac6e535d427b9eb5d5776