[INFO] fetching crate mlcr 0.2.0... [INFO] checking mlcr-0.2.0 against beta for pr-78714 [INFO] extracting crate mlcr 0.2.0 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate mlcr 0.2.0 on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate mlcr 0.2.0 [INFO] finished tweaking crates.io crate mlcr 0.2.0 [INFO] tweaked toml for crates.io crate mlcr 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8e650a247616ca6fd2544d8a6fb399e6697a03ed919e6563a386a7bd008882bf [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" "8e650a247616ca6fd2544d8a6fb399e6697a03ed919e6563a386a7bd008882bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8e650a247616ca6fd2544d8a6fb399e6697a03ed919e6563a386a7bd008882bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e650a247616ca6fd2544d8a6fb399e6697a03ed919e6563a386a7bd008882bf", kill_on_drop: false }` [INFO] [stdout] 8e650a247616ca6fd2544d8a6fb399e6697a03ed919e6563a386a7bd008882bf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 101ad9340cf72e12e9252bf37d9662e858d5b389808715db7b63e90da7016e8d [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" "101ad9340cf72e12e9252bf37d9662e858d5b389808715db7b63e90da7016e8d", kill_on_drop: false }` [INFO] [stderr] Checking owning_ref v0.2.4 [INFO] [stderr] Checking crossbeam v0.2.12 [INFO] [stderr] Checking thread-id v3.3.0 [INFO] [stderr] Checking nn v0.1.6 [INFO] [stderr] Checking parking_lot v0.3.8 [INFO] [stderr] Checking mlcr v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.49s [INFO] running `Command { std: "docker" "inspect" "101ad9340cf72e12e9252bf37d9662e858d5b389808715db7b63e90da7016e8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "101ad9340cf72e12e9252bf37d9662e858d5b389808715db7b63e90da7016e8d", kill_on_drop: false }` [INFO] [stdout] 101ad9340cf72e12e9252bf37d9662e858d5b389808715db7b63e90da7016e8d