[INFO] fetching crate arbitrary 1.0.0-rc2...
[INFO] checking arbitrary-1.0.0-rc2 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate arbitrary 1.0.0-rc2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate arbitrary 1.0.0-rc2 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "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-2/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" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_arbitrary v1.0.0-rc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29753a408de8efb12e1ef534d633131b3ba4405554bdccea444daf60dd3f8d43
[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" "29753a408de8efb12e1ef534d633131b3ba4405554bdccea444daf60dd3f8d43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29753a408de8efb12e1ef534d633131b3ba4405554bdccea444daf60dd3f8d43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29753a408de8efb12e1ef534d633131b3ba4405554bdccea444daf60dd3f8d43", kill_on_drop: false }`
[INFO] [stdout] 29753a408de8efb12e1ef534d633131b3ba4405554bdccea444daf60dd3f8d43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "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] cca3cd513043ce49165cd660ee49fa34367c434e5da781d2601ab10ee6d07357
[INFO] running `Command { std: "docker" "start" "-a" "cca3cd513043ce49165cd660ee49fa34367c434e5da781d2601ab10ee6d07357", kill_on_drop: false }`
[INFO] [stderr]     Checking arbitrary v1.0.0-rc2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.94s
[INFO] running `Command { std: "docker" "inspect" "cca3cd513043ce49165cd660ee49fa34367c434e5da781d2601ab10ee6d07357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cca3cd513043ce49165cd660ee49fa34367c434e5da781d2601ab10ee6d07357", kill_on_drop: false }`
[INFO] [stdout] cca3cd513043ce49165cd660ee49fa34367c434e5da781d2601ab10ee6d07357