[INFO] fetching crate fields-converter-derive 0.1.4...
[INFO] checking fields-converter-derive-0.1.4 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate fields-converter-derive 0.1.4 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate fields-converter-derive 0.1.4 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fields-converter-derive 0.1.4
[INFO] finished tweaking crates.io crate fields-converter-derive 0.1.4
[INFO] tweaked toml for crates.io crate fields-converter-derive 0.1.4 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fields-converter-derive v0.1.4
[INFO] [stderr]   Downloaded clone-fields v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", 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] 857b65817c3b21c4fbf6a16d1c82d2bcf1476973856468d74e6486b6a7848b2b
[INFO] running `Command { std: "docker" "start" "-a" "857b65817c3b21c4fbf6a16d1c82d2bcf1476973856468d74e6486b6a7848b2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "857b65817c3b21c4fbf6a16d1c82d2bcf1476973856468d74e6486b6a7848b2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "857b65817c3b21c4fbf6a16d1c82d2bcf1476973856468d74e6486b6a7848b2b", kill_on_drop: false }`
[INFO] [stdout] 857b65817c3b21c4fbf6a16d1c82d2bcf1476973856468d74e6486b6a7848b2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c16e24fb445ca0ac0df498df61db7784b9f0092f8a6084d698fbb17a61b6f78c
[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" "c16e24fb445ca0ac0df498df61db7784b9f0092f8a6084d698fbb17a61b6f78c", kill_on_drop: false }`
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking fields-converter-derive v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling fields-converter-derive v0.1.4
[INFO] [stderr]     Checking clone-fields v0.5.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.69s
[INFO] running `Command { std: "docker" "inspect" "c16e24fb445ca0ac0df498df61db7784b9f0092f8a6084d698fbb17a61b6f78c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c16e24fb445ca0ac0df498df61db7784b9f0092f8a6084d698fbb17a61b6f78c", kill_on_drop: false }`
[INFO] [stdout] c16e24fb445ca0ac0df498df61db7784b9f0092f8a6084d698fbb17a61b6f78c