[INFO] fetching crate mlua 0.2.2...
[INFO] checking mlua-0.2.2 against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69741
[INFO] extracting crate mlua 0.2.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate mlua 0.2.2 on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mlua 0.2.2
[INFO] finished tweaking crates.io crate mlua 0.2.2
[INFO] tweaked toml for crates.io crate mlua 0.2.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate mlua 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "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" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ef1eae381ff328cb1314bb4888f119fdc72d66ce9102c3dd53b9b0678a08774f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ef1eae381ff328cb1314bb4888f119fdc72d66ce9102c3dd53b9b0678a08774f"`
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling mlua v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking rustyline v5.0.6
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.45
[INFO] [stderr]     Checking bstr v0.2.10
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.0.3
[INFO] [stderr]     Checking trybuild v1.0.20
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.63s
[INFO] running `"docker" "inspect" "ef1eae381ff328cb1314bb4888f119fdc72d66ce9102c3dd53b9b0678a08774f"`
[INFO] running `"docker" "rm" "-f" "ef1eae381ff328cb1314bb4888f119fdc72d66ce9102c3dd53b9b0678a08774f"`
[INFO] [stdout] ef1eae381ff328cb1314bb4888f119fdc72d66ce9102c3dd53b9b0678a08774f