[INFO] fetching crate mathml 0.4.4...
[INFO] checking mathml-0.4.4 against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] extracting crate mathml 0.4.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate mathml 0.4.4 on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mathml 0.4.4
[INFO] finished tweaking crates.io crate mathml 0.4.4
[INFO] tweaked toml for crates.io crate mathml 0.4.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+d7b51666469c792a8a3f40849607739bae1e705e" "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] 00c04b6321b4ab167ff7f4dfff49cf3ecdc85f733a331eccca395d33b02f223d
[INFO] running `"docker" "start" "-a" "00c04b6321b4ab167ff7f4dfff49cf3ecdc85f733a331eccca395d33b02f223d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking xmlparser v0.13.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking serde_plain v0.3.0
[INFO] [stderr]     Checking roxmltree v0.10.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking mathml v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.23s
[INFO] running `"docker" "inspect" "00c04b6321b4ab167ff7f4dfff49cf3ecdc85f733a331eccca395d33b02f223d"`
[INFO] running `"docker" "rm" "-f" "00c04b6321b4ab167ff7f4dfff49cf3ecdc85f733a331eccca395d33b02f223d"`
[INFO] [stdout] 00c04b6321b4ab167ff7f4dfff49cf3ecdc85f733a331eccca395d33b02f223d