[INFO] fetching crate packet-builder 0.5.0...
[INFO] checking packet-builder-0.5.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate packet-builder 0.5.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate packet-builder 0.5.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate packet-builder 0.5.0
[INFO] finished tweaking crates.io crate packet-builder 0.5.0
[INFO] tweaked toml for crates.io crate packet-builder 0.5.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate packet-builder 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ipnetwork v0.12.8
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9da93e67af898d918dad36e9e6d7808e6341e4dc715ccebd9eef867da359ed02
[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" "9da93e67af898d918dad36e9e6d7808e6341e4dc715ccebd9eef867da359ed02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9da93e67af898d918dad36e9e6d7808e6341e4dc715ccebd9eef867da359ed02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9da93e67af898d918dad36e9e6d7808e6341e4dc715ccebd9eef867da359ed02", kill_on_drop: false }`
[INFO] [stdout] 9da93e67af898d918dad36e9e6d7808e6341e4dc715ccebd9eef867da359ed02
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9e54fabccbe1b6844e23576125c1dff942daf7224453679c1fd38455e71fae1
[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" "b9e54fabccbe1b6844e23576125c1dff942daf7224453679c1fd38455e71fae1", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking pnet_base v0.26.0
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling pnet v0.26.0
[INFO] [stderr]     Checking ipnetwork v0.12.8
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking pnet_sys v0.26.0
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking pnet_macros_support v0.26.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]     Checking ipnetwork v0.16.0
[INFO] [stderr]     Checking pnet_datalink v0.26.0
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.26.0
[INFO] [stderr]    Compiling pnet_packet v0.26.0
[INFO] [stderr]     Checking pnet_transport v0.26.0
[INFO] [stderr]     Checking packet-builder v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "b9e54fabccbe1b6844e23576125c1dff942daf7224453679c1fd38455e71fae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9e54fabccbe1b6844e23576125c1dff942daf7224453679c1fd38455e71fae1", kill_on_drop: false }`
[INFO] [stdout] b9e54fabccbe1b6844e23576125c1dff942daf7224453679c1fd38455e71fae1