[INFO] crate yosys-netlist-json 0.0.2 is already in cache
[INFO] checking yosys-netlist-json-0.0.2 against master#0cbcb17d3306d6e22eafc2c05ce885db97d0189c for pr-68766
[INFO] extracting crate yosys-netlist-json 0.0.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate yosys-netlist-json 0.0.2 on toolchain 0cbcb17d3306d6e22eafc2c05ce885db97d0189c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate yosys-netlist-json 0.0.2
[INFO] finished tweaking crates.io crate yosys-netlist-json 0.0.2
[INFO] tweaked toml for crates.io crate yosys-netlist-json 0.0.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2a61c393de86468af2d3596e80c23efb3c0073ef4fcc8e3a00fdb25de7914c36
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "2a61c393de86468af2d3596e80c23efb3c0073ef4fcc8e3a00fdb25de7914c36"`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking yosys-netlist-json v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:64:82
[INFO] [stderr]    |
[INFO] [stderr] 64 |     fn serialize(&self, _record: &slog::Record, key: slog::Key, serializer: &mut slog::Serializer) -> slog::Result {
[INFO] [stderr]    |                                                                                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn slog::Serializer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:85:81
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn serialize(&self, record: &slog::Record, key: slog::Key, serializer: &mut slog::Serializer) -> slog::Result {
[INFO] [stderr]    |                                                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn slog::Serializer`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:108:82
[INFO] [stderr]     |
[INFO] [stderr] 108 |     fn serialize(&self, _record: &slog::Record, key: slog::Key, serializer: &mut slog::Serializer) -> slog::Result {
[INFO] [stderr]     |                                                                                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn slog::Serializer`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:64:82
[INFO] [stderr]    |
[INFO] [stderr] 64 |     fn serialize(&self, _record: &slog::Record, key: slog::Key, serializer: &mut slog::Serializer) -> slog::Result {
[INFO] [stderr]    |                                                                                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn slog::Serializer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:85:81
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn serialize(&self, record: &slog::Record, key: slog::Key, serializer: &mut slog::Serializer) -> slog::Result {
[INFO] [stderr]    |                                                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn slog::Serializer`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:108:82
[INFO] [stderr]     |
[INFO] [stderr] 108 |     fn serialize(&self, _record: &slog::Record, key: slog::Key, serializer: &mut slog::Serializer) -> slog::Result {
[INFO] [stderr]     |                                                                                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn slog::Serializer`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.68s
[INFO] running `"docker" "inspect" "2a61c393de86468af2d3596e80c23efb3c0073ef4fcc8e3a00fdb25de7914c36"`
[INFO] running `"docker" "rm" "-f" "2a61c393de86468af2d3596e80c23efb3c0073ef4fcc8e3a00fdb25de7914c36"`
[INFO] [stdout] 2a61c393de86468af2d3596e80c23efb3c0073ef4fcc8e3a00fdb25de7914c36