[INFO] fetching crate mlua 0.4.2...
[INFO] testing mlua-0.4.2 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate mlua 0.4.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate mlua 0.4.2 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mlua 0.4.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mlua 0.4.2
[INFO] tweaked toml for crates.io crate mlua 0.4.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate mlua 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0dd60e4830da7e2c94d72433f2f1819a5c2204332ee3ac5cacaf05507681c2dc
[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" "0dd60e4830da7e2c94d72433f2f1819a5c2204332ee3ac5cacaf05507681c2dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0dd60e4830da7e2c94d72433f2f1819a5c2204332ee3ac5cacaf05507681c2dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dd60e4830da7e2c94d72433f2f1819a5c2204332ee3ac5cacaf05507681c2dc", kill_on_drop: false }`
[INFO] [stdout] 0dd60e4830da7e2c94d72433f2f1819a5c2204332ee3ac5cacaf05507681c2dc
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] d8990c5670e90cd8730b606ab0b960d3b5aadc4b54e0fd0eb215eba4900e013f
[INFO] running `Command { std: "docker" "start" "-a" "d8990c5670e90cd8730b606ab0b960d3b5aadc4b54e0fd0eb215eba4900e013f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling mlua v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: You must enable one of the features: lua54, lua53, lua52, lua51, luajit
[INFO] [stdout]    --> 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" "d8990c5670e90cd8730b606ab0b960d3b5aadc4b54e0fd0eb215eba4900e013f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8990c5670e90cd8730b606ab0b960d3b5aadc4b54e0fd0eb215eba4900e013f", kill_on_drop: false }`
[INFO] [stdout] d8990c5670e90cd8730b606ab0b960d3b5aadc4b54e0fd0eb215eba4900e013f