[INFO] fetching crate mlua 0.4.2...
[INFO] checking mlua-0.4.2 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate mlua 0.4.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mlua 0.4.2 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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-8/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26a167585504f040107212c254e5817f6e89bdcfd8913b44b4f23a3c2b6e95ca
[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" "26a167585504f040107212c254e5817f6e89bdcfd8913b44b4f23a3c2b6e95ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26a167585504f040107212c254e5817f6e89bdcfd8913b44b4f23a3c2b6e95ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26a167585504f040107212c254e5817f6e89bdcfd8913b44b4f23a3c2b6e95ca", kill_on_drop: false }`
[INFO] [stdout] 26a167585504f040107212c254e5817f6e89bdcfd8913b44b4f23a3c2b6e95ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03236e1975c365bffe663e62bfe97267852f7eae0bbd5097204f88c18b98228e
[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" "03236e1975c365bffe663e62bfe97267852f7eae0bbd5097204f88c18b98228e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking tracing-core v0.1.11
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking tracing v0.1.17
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]    Compiling mlua v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking plotters v0.2.15
[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" "03236e1975c365bffe663e62bfe97267852f7eae0bbd5097204f88c18b98228e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03236e1975c365bffe663e62bfe97267852f7eae0bbd5097204f88c18b98228e", kill_on_drop: false }`
[INFO] [stdout] 03236e1975c365bffe663e62bfe97267852f7eae0bbd5097204f88c18b98228e