[INFO] fetching crate async_ftp 4.0.2...
[INFO] checking async_ftp-4.0.2 against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] extracting crate async_ftp 4.0.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate async_ftp 4.0.2 on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async_ftp 4.0.2
[INFO] finished tweaking crates.io crate async_ftp 4.0.2
[INFO] tweaked toml for crates.io crate async_ftp 4.0.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate async_ftp 4.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca783d91e30d94bd8dbe58155a15ca7e889e9190a6a02b567a3c7ba98cf263e0
[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" "ca783d91e30d94bd8dbe58155a15ca7e889e9190a6a02b567a3c7ba98cf263e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca783d91e30d94bd8dbe58155a15ca7e889e9190a6a02b567a3c7ba98cf263e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca783d91e30d94bd8dbe58155a15ca7e889e9190a6a02b567a3c7ba98cf263e0", kill_on_drop: false }`
[INFO] [stdout] ca783d91e30d94bd8dbe58155a15ca7e889e9190a6a02b567a3c7ba98cf263e0
[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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "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] 434756478b3a8e52b844d80d3a28d03116521fdfa55c92752e1306229deee6be
[INFO] running `Command { std: "docker" "start" "-a" "434756478b3a8e52b844d80d3a28d03116521fdfa55c92752e1306229deee6be", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking pin-project-lite v0.1.10
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking async_ftp v4.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.10s
[INFO] running `Command { std: "docker" "inspect" "434756478b3a8e52b844d80d3a28d03116521fdfa55c92752e1306229deee6be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "434756478b3a8e52b844d80d3a28d03116521fdfa55c92752e1306229deee6be", kill_on_drop: false }`
[INFO] [stdout] 434756478b3a8e52b844d80d3a28d03116521fdfa55c92752e1306229deee6be