[INFO] fetching crate dont_panic_slice 0.1.0...
[INFO] checking dont_panic_slice-0.1.0 against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213
[INFO] extracting crate dont_panic_slice 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dont_panic_slice 0.1.0 on toolchain 339e19697a39a78f4d669c217b7d21109215de41
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dont_panic_slice 0.1.0
[INFO] finished tweaking crates.io crate dont_panic_slice 0.1.0
[INFO] tweaked toml for crates.io crate dont_panic_slice 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d974fff188d837d0909b663eb9d15cc46257d572777ec4e7a0606e8b9f7ee47f
[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" "d974fff188d837d0909b663eb9d15cc46257d572777ec4e7a0606e8b9f7ee47f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d974fff188d837d0909b663eb9d15cc46257d572777ec4e7a0606e8b9f7ee47f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d974fff188d837d0909b663eb9d15cc46257d572777ec4e7a0606e8b9f7ee47f", kill_on_drop: false }`
[INFO] [stdout] d974fff188d837d0909b663eb9d15cc46257d572777ec4e7a0606e8b9f7ee47f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "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] 4ad729a27910386a9f05dc9f82bd8633718afb98d535e0bc8e91f68a80ee1e64
[INFO] running `Command { std: "docker" "start" "-a" "4ad729a27910386a9f05dc9f82bd8633718afb98d535e0bc8e91f68a80ee1e64", kill_on_drop: false }`
[INFO] [stderr]     Checking dont_panic v0.1.0
[INFO] [stderr]     Checking dont_panic_slice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "4ad729a27910386a9f05dc9f82bd8633718afb98d535e0bc8e91f68a80ee1e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ad729a27910386a9f05dc9f82bd8633718afb98d535e0bc8e91f68a80ee1e64", kill_on_drop: false }`
[INFO] [stdout] 4ad729a27910386a9f05dc9f82bd8633718afb98d535e0bc8e91f68a80ee1e64