[INFO] crate piston-history_tree 0.1.0 is already in cache
[INFO] checking piston-history_tree-0.1.0 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate piston-history_tree 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate piston-history_tree 0.1.0 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate piston-history_tree 0.1.0
[INFO] finished tweaking crates.io crate piston-history_tree 0.1.0
[INFO] tweaked toml for crates.io crate piston-history_tree 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e7b46a5ad7ca37ca999f28959a4be10e41fcb5d0c94263f3eb21c4c9c686651
[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" "3e7b46a5ad7ca37ca999f28959a4be10e41fcb5d0c94263f3eb21c4c9c686651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e7b46a5ad7ca37ca999f28959a4be10e41fcb5d0c94263f3eb21c4c9c686651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e7b46a5ad7ca37ca999f28959a4be10e41fcb5d0c94263f3eb21c4c9c686651", kill_on_drop: false }`
[INFO] [stdout] 3e7b46a5ad7ca37ca999f28959a4be10e41fcb5d0c94263f3eb21c4c9c686651
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64fd2a048ccc296fb88430feb599be2bcf50aa474724ebfc70a50910b122c7ac
[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" "64fd2a048ccc296fb88430feb599be2bcf50aa474724ebfc70a50910b122c7ac", kill_on_drop: false }`
[INFO] [stderr]     Checking piston-history_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "64fd2a048ccc296fb88430feb599be2bcf50aa474724ebfc70a50910b122c7ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64fd2a048ccc296fb88430feb599be2bcf50aa474724ebfc70a50910b122c7ac", kill_on_drop: false }`
[INFO] [stdout] 64fd2a048ccc296fb88430feb599be2bcf50aa474724ebfc70a50910b122c7ac