[INFO] crate latex2mathml 0.2.3 is already in cache
[INFO] checking latex2mathml-0.2.3 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] extracting crate latex2mathml 0.2.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate latex2mathml 0.2.3 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate latex2mathml 0.2.3
[INFO] finished tweaking crates.io crate latex2mathml 0.2.3
[INFO] tweaked toml for crates.io crate latex2mathml 0.2.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate latex2mathml 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f460be5200e141685e2b5105ba90738c351c00d1fe4aa736e5b3215afcee199
[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" "0f460be5200e141685e2b5105ba90738c351c00d1fe4aa736e5b3215afcee199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f460be5200e141685e2b5105ba90738c351c00d1fe4aa736e5b3215afcee199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f460be5200e141685e2b5105ba90738c351c00d1fe4aa736e5b3215afcee199", kill_on_drop: false }`
[INFO] [stdout] 0f460be5200e141685e2b5105ba90738c351c00d1fe4aa736e5b3215afcee199
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ef746c3913853444f9298112adb29bada7cc0dda6fe5864b1fcdc727b378c61
[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" "6ef746c3913853444f9298112adb29bada7cc0dda6fe5864b1fcdc727b378c61", kill_on_drop: false }`
[INFO] [stderr]     Checking latex2mathml v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "6ef746c3913853444f9298112adb29bada7cc0dda6fe5864b1fcdc727b378c61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ef746c3913853444f9298112adb29bada7cc0dda6fe5864b1fcdc727b378c61", kill_on_drop: false }`
[INFO] [stdout] 6ef746c3913853444f9298112adb29bada7cc0dda6fe5864b1fcdc727b378c61