[INFO] fetching crate safe_cell_exts 0.3.0...
[INFO] checking safe_cell_exts-0.3.0 against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] extracting crate safe_cell_exts 0.3.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate safe_cell_exts 0.3.0 on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate safe_cell_exts 0.3.0
[INFO] finished tweaking crates.io crate safe_cell_exts 0.3.0
[INFO] tweaked toml for crates.io crate safe_cell_exts 0.3.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fef382650937ea702c6a61ff5ca758a152f814bd380d98fefd105d26640ed26c
[INFO] running `Command { std: "docker" "start" "-a" "fef382650937ea702c6a61ff5ca758a152f814bd380d98fefd105d26640ed26c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fef382650937ea702c6a61ff5ca758a152f814bd380d98fefd105d26640ed26c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fef382650937ea702c6a61ff5ca758a152f814bd380d98fefd105d26640ed26c", kill_on_drop: false }`
[INFO] [stdout] fef382650937ea702c6a61ff5ca758a152f814bd380d98fefd105d26640ed26c
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b937d6099124adcab3c3e36fa8863c93e0b8a5b133d2620d6e1541c70585faea
[INFO] running `Command { std: "docker" "start" "-a" "b937d6099124adcab3c3e36fa8863c93e0b8a5b133d2620d6e1541c70585faea", kill_on_drop: false }`
[INFO] [stderr]     Checking safe_cell_exts v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "b937d6099124adcab3c3e36fa8863c93e0b8a5b133d2620d6e1541c70585faea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b937d6099124adcab3c3e36fa8863c93e0b8a5b133d2620d6e1541c70585faea", kill_on_drop: false }`
[INFO] [stdout] b937d6099124adcab3c3e36fa8863c93e0b8a5b133d2620d6e1541c70585faea