[INFO] crate lua-rs 0.0.10 is already in cache
[INFO] checking lua-rs-0.0.10 against try#b2a885c600d942fb829a214e798f7ae205a0594e for pr-71796
[INFO] extracting crate lua-rs 0.0.10 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lua-rs 0.0.10 on toolchain b2a885c600d942fb829a214e798f7ae205a0594e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b2a885c600d942fb829a214e798f7ae205a0594e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lua-rs 0.0.10
[INFO] finished tweaking crates.io crate lua-rs 0.0.10
[INFO] tweaked toml for crates.io crate lua-rs 0.0.10 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b2a885c600d942fb829a214e798f7ae205a0594e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b2a885c600d942fb829a214e798f7ae205a0594e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b2a885c600d942fb829a214e798f7ae205a0594e" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cc9e3f6b62d05cea55299f9eac8110b7108e0a61fbafbda24acf08fb7874f43e
[INFO] running `"docker" "start" "-a" "cc9e3f6b62d05cea55299f9eac8110b7108e0a61fbafbda24acf08fb7874f43e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling lua-rs v0.0.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr] error: unknown lint: `question_mark_macro_sep`
[INFO] [stderr]   --> build.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 | #![deny(question_mark_macro_sep)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> build.rs:8:9
[INFO] [stderr]    |
[INFO] [stderr] 8  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[deny(unknown_lints)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `lua-rs`.
[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 `"docker" "inspect" "cc9e3f6b62d05cea55299f9eac8110b7108e0a61fbafbda24acf08fb7874f43e"`
[INFO] running `"docker" "rm" "-f" "cc9e3f6b62d05cea55299f9eac8110b7108e0a61fbafbda24acf08fb7874f43e"`
[INFO] [stdout] cc9e3f6b62d05cea55299f9eac8110b7108e0a61fbafbda24acf08fb7874f43e