[INFO] fetching crate ensicoin_serializer_derive 0.2.7...
[INFO] checking ensicoin_serializer_derive-0.2.7 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate ensicoin_serializer_derive 0.2.7 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ensicoin_serializer_derive 0.2.7 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ensicoin_serializer_derive 0.2.7
[INFO] finished tweaking crates.io crate ensicoin_serializer_derive 0.2.7
[INFO] tweaked toml for crates.io crate ensicoin_serializer_derive 0.2.7 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2ee589e55067df1e6ae3d640c444043c5e3801a43fa8a6812ad20b0364e6787
[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" "a2ee589e55067df1e6ae3d640c444043c5e3801a43fa8a6812ad20b0364e6787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2ee589e55067df1e6ae3d640c444043c5e3801a43fa8a6812ad20b0364e6787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2ee589e55067df1e6ae3d640c444043c5e3801a43fa8a6812ad20b0364e6787", kill_on_drop: false }`
[INFO] [stdout] a2ee589e55067df1e6ae3d640c444043c5e3801a43fa8a6812ad20b0364e6787
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd64f0ea77b761f45162d708fdc802300f08c783d3ebb5c16761d9e363cbcb7b
[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" "cd64f0ea77b761f45162d708fdc802300f08c783d3ebb5c16761d9e363cbcb7b", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking ensicoin_serializer v2.0.9
[INFO] [stderr]     Checking syn v1.0.72
[INFO] [stderr]     Checking ensicoin_serializer_derive v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.34s
[INFO] running `Command { std: "docker" "inspect" "cd64f0ea77b761f45162d708fdc802300f08c783d3ebb5c16761d9e363cbcb7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd64f0ea77b761f45162d708fdc802300f08c783d3ebb5c16761d9e363cbcb7b", kill_on_drop: false }`
[INFO] [stdout] cd64f0ea77b761f45162d708fdc802300f08c783d3ebb5c16761d9e363cbcb7b