[INFO] fetching crate arbitrary 1.0.0-rc2...
[INFO] checking arbitrary-1.0.0-rc2 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate arbitrary 1.0.0-rc2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate arbitrary 1.0.0-rc2 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arbitrary 1.0.0-rc2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate arbitrary 1.0.0-rc2
[INFO] tweaked toml for crates.io crate arbitrary 1.0.0-rc2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate arbitrary 1.0.0-rc2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81d542967ebbe3044b0efe1c5f05304977ab653a42645f0cd949580517aa7e58
[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" "81d542967ebbe3044b0efe1c5f05304977ab653a42645f0cd949580517aa7e58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81d542967ebbe3044b0efe1c5f05304977ab653a42645f0cd949580517aa7e58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81d542967ebbe3044b0efe1c5f05304977ab653a42645f0cd949580517aa7e58", kill_on_drop: false }`
[INFO] [stdout] 81d542967ebbe3044b0efe1c5f05304977ab653a42645f0cd949580517aa7e58
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e55b6397d3a66fd1cf432a81da7e2e2a719939bb6c04440bd2fa3f9151dff6da
[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" "e55b6397d3a66fd1cf432a81da7e2e2a719939bb6c04440bd2fa3f9151dff6da", kill_on_drop: false }`
[INFO] [stderr]     Checking arbitrary v1.0.0-rc2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.71s
[INFO] running `Command { std: "docker" "inspect" "e55b6397d3a66fd1cf432a81da7e2e2a719939bb6c04440bd2fa3f9151dff6da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e55b6397d3a66fd1cf432a81da7e2e2a719939bb6c04440bd2fa3f9151dff6da", kill_on_drop: false }`
[INFO] [stdout] e55b6397d3a66fd1cf432a81da7e2e2a719939bb6c04440bd2fa3f9151dff6da