[INFO] fetching crate simple-timer 0.1.0...
[INFO] checking simple-timer-0.1.0 against beta for pr-78714
[INFO] extracting crate simple-timer 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate simple-timer 0.1.0 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 simple-timer 0.1.0
[INFO] finished tweaking crates.io crate simple-timer 0.1.0
[INFO] tweaked toml for crates.io crate simple-timer 0.1.0 written to /workspace/builds/worker-13/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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 6ec28f8a95d58c827138e7f1b0a2bb71d98ed9a7f819d3086a5c47e975f3a187
[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" "6ec28f8a95d58c827138e7f1b0a2bb71d98ed9a7f819d3086a5c47e975f3a187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ec28f8a95d58c827138e7f1b0a2bb71d98ed9a7f819d3086a5c47e975f3a187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ec28f8a95d58c827138e7f1b0a2bb71d98ed9a7f819d3086a5c47e975f3a187", kill_on_drop: false }`
[INFO] [stdout] 6ec28f8a95d58c827138e7f1b0a2bb71d98ed9a7f819d3086a5c47e975f3a187
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] af4259f081ef081b0c8d72e480bb4b02e89c96bcf02c9bd925f2f74b8dd90f82
[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" "af4259f081ef081b0c8d72e480bb4b02e89c96bcf02c9bd925f2f74b8dd90f82", kill_on_drop: false }`
[INFO] [stderr]     Checking simple-timer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "af4259f081ef081b0c8d72e480bb4b02e89c96bcf02c9bd925f2f74b8dd90f82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af4259f081ef081b0c8d72e480bb4b02e89c96bcf02c9bd925f2f74b8dd90f82", kill_on_drop: false }`
[INFO] [stdout] af4259f081ef081b0c8d72e480bb4b02e89c96bcf02c9bd925f2f74b8dd90f82