[INFO] cloning repository https://github.com/matklad/minidb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matklad/minidb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Fminidb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Fminidb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca7a64e64df767254da852e15f8984b7f7774603
[INFO] checking matklad/minidb against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Fminidb" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matklad/minidb on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matklad/minidb
[INFO] finished tweaking git repo https://github.com/matklad/minidb
[INFO] tweaked toml for git repo https://github.com/matklad/minidb written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/matklad/minidb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] 094fdc055315e89db77dea3a4161c6b42b70214bdc5f0ee6cbe80e0ecd30c297
[INFO] running `Command { std: "docker" "start" "-a" "094fdc055315e89db77dea3a4161c6b42b70214bdc5f0ee6cbe80e0ecd30c297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "094fdc055315e89db77dea3a4161c6b42b70214bdc5f0ee6cbe80e0ecd30c297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "094fdc055315e89db77dea3a4161c6b42b70214bdc5f0ee6cbe80e0ecd30c297", kill_on_drop: false }`
[INFO] [stdout] 094fdc055315e89db77dea3a4161c6b42b70214bdc5f0ee6cbe80e0ecd30c297
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] 22cac56229c748fe239b27372b8519cd2551a4ab9cc7f26a531525c3fa1a2fdf
[INFO] running `Command { std: "docker" "start" "-a" "22cac56229c748fe239b27372b8519cd2551a4ab9cc7f26a531525c3fa1a2fdf", kill_on_drop: false }`
[INFO] [stderr]     Checking minibd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "22cac56229c748fe239b27372b8519cd2551a4ab9cc7f26a531525c3fa1a2fdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22cac56229c748fe239b27372b8519cd2551a4ab9cc7f26a531525c3fa1a2fdf", kill_on_drop: false }`
[INFO] [stdout] 22cac56229c748fe239b27372b8519cd2551a4ab9cc7f26a531525c3fa1a2fdf