[INFO] fetching crate nibbstack 0.0.1...
[INFO] checking nibbstack-0.0.1 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] extracting crate nibbstack 0.0.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate nibbstack 0.0.1 on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nibbstack 0.0.1
[INFO] finished tweaking crates.io crate nibbstack 0.0.1
[INFO] tweaked toml for crates.io crate nibbstack 0.0.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "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] 314409588f59e96dd5c4d0b3cd8f9e4a8df2610151382ff3e2db5564b7869fae
[INFO] running `Command { std: "docker" "start" "-a" "314409588f59e96dd5c4d0b3cd8f9e4a8df2610151382ff3e2db5564b7869fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "314409588f59e96dd5c4d0b3cd8f9e4a8df2610151382ff3e2db5564b7869fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "314409588f59e96dd5c4d0b3cd8f9e4a8df2610151382ff3e2db5564b7869fae", kill_on_drop: false }`
[INFO] [stdout] 314409588f59e96dd5c4d0b3cd8f9e4a8df2610151382ff3e2db5564b7869fae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "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] 1c9f75f5d1077833a6ce056c132e5c96b61756c279a8fa9b04e15c6bd7e7f4f3
[INFO] running `Command { std: "docker" "start" "-a" "1c9f75f5d1077833a6ce056c132e5c96b61756c279a8fa9b04e15c6bd7e7f4f3", kill_on_drop: false }`
[INFO] [stderr]     Checking nibbstack v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "1c9f75f5d1077833a6ce056c132e5c96b61756c279a8fa9b04e15c6bd7e7f4f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c9f75f5d1077833a6ce056c132e5c96b61756c279a8fa9b04e15c6bd7e7f4f3", kill_on_drop: false }`
[INFO] [stdout] 1c9f75f5d1077833a6ce056c132e5c96b61756c279a8fa9b04e15c6bd7e7f4f3