[INFO] fetching crate nop-json-derive 1.1.1...
[INFO] checking nop-json-derive-1.1.1 against master#a874956d940ecb3ed524b6176a171219ac4787ea for pr-76104
[INFO] extracting crate nop-json-derive 1.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate nop-json-derive 1.1.1 on toolchain a874956d940ecb3ed524b6176a171219ac4787ea
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nop-json-derive 1.1.1
[INFO] finished tweaking crates.io crate nop-json-derive 1.1.1
[INFO] tweaked toml for crates.io crate nop-json-derive 1.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+a874956d940ecb3ed524b6176a171219ac4787ea" "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] 9e402e82cf0912df11ab5ff3a7a9f684c1d9f77ce8ae4b332e874ab4a8221cc3
[INFO] running `Command { std: "docker" "start" "-a" "9e402e82cf0912df11ab5ff3a7a9f684c1d9f77ce8ae4b332e874ab4a8221cc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e402e82cf0912df11ab5ff3a7a9f684c1d9f77ce8ae4b332e874ab4a8221cc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e402e82cf0912df11ab5ff3a7a9f684c1d9f77ce8ae4b332e874ab4a8221cc3", kill_on_drop: false }`
[INFO] [stdout] 9e402e82cf0912df11ab5ff3a7a9f684c1d9f77ce8ae4b332e874ab4a8221cc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+a874956d940ecb3ed524b6176a171219ac4787ea" "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] ba546813ecceaf17de6770dc3a45cf8ee06c7d0d7555bb17d543e20fa89eb938
[INFO] running `Command { std: "docker" "start" "-a" "ba546813ecceaf17de6770dc3a45cf8ee06c7d0d7555bb17d543e20fa89eb938", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]     Checking proc-macro2 v1.0.21
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking nop-json-derive v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.13s
[INFO] running `Command { std: "docker" "inspect" "ba546813ecceaf17de6770dc3a45cf8ee06c7d0d7555bb17d543e20fa89eb938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba546813ecceaf17de6770dc3a45cf8ee06c7d0d7555bb17d543e20fa89eb938", kill_on_drop: false }`
[INFO] [stdout] ba546813ecceaf17de6770dc3a45cf8ee06c7d0d7555bb17d543e20fa89eb938