[INFO] fetching crate lc3-rs 0.6.0...
[INFO] checking lc3-rs-0.6.0 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate lc3-rs 0.6.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate lc3-rs 0.6.0 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lc3-rs 0.6.0
[INFO] finished tweaking crates.io crate lc3-rs 0.6.0
[INFO] tweaked toml for crates.io crate lc3-rs 0.6.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate lc3-rs 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b5a939dda24f8765e2439f21dc77034ea38a569cca39d5559aad194c2f30319
[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" "2b5a939dda24f8765e2439f21dc77034ea38a569cca39d5559aad194c2f30319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b5a939dda24f8765e2439f21dc77034ea38a569cca39d5559aad194c2f30319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b5a939dda24f8765e2439f21dc77034ea38a569cca39d5559aad194c2f30319", kill_on_drop: false }`
[INFO] [stdout] 2b5a939dda24f8765e2439f21dc77034ea38a569cca39d5559aad194c2f30319
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a7e8e5ae76947c89d4fc3582bd49ea404cb060bf0a244f8d2cdbaf58e46df92
[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" "3a7e8e5ae76947c89d4fc3582bd49ea404cb060bf0a244f8d2cdbaf58e46df92", kill_on_drop: false }`
[INFO] [stderr]     Checking lc3-rs v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "3a7e8e5ae76947c89d4fc3582bd49ea404cb060bf0a244f8d2cdbaf58e46df92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a7e8e5ae76947c89d4fc3582bd49ea404cb060bf0a244f8d2cdbaf58e46df92", kill_on_drop: false }`
[INFO] [stdout] 3a7e8e5ae76947c89d4fc3582bd49ea404cb060bf0a244f8d2cdbaf58e46df92