[INFO] fetching crate parity-util-mem-derive 0.1.0...
[INFO] checking parity-util-mem-derive-0.1.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate parity-util-mem-derive 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate parity-util-mem-derive 0.1.0 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 parity-util-mem-derive 0.1.0
[INFO] finished tweaking crates.io crate parity-util-mem-derive 0.1.0
[INFO] tweaked toml for crates.io crate parity-util-mem-derive 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 0d275828c87d823a5ffb15b133caaa6de6fcdfaec549a3987e9a195e5df5d0a2
[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" "0d275828c87d823a5ffb15b133caaa6de6fcdfaec549a3987e9a195e5df5d0a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d275828c87d823a5ffb15b133caaa6de6fcdfaec549a3987e9a195e5df5d0a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d275828c87d823a5ffb15b133caaa6de6fcdfaec549a3987e9a195e5df5d0a2", kill_on_drop: false }`
[INFO] [stdout] 0d275828c87d823a5ffb15b133caaa6de6fcdfaec549a3987e9a195e5df5d0a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d62d07fd7d8de59ace9ff1831a6cb62d8cdaee29a49e0f6f785cb2f9c664f697
[INFO] running `Command { std: "docker" "start" "-a" "d62d07fd7d8de59ace9ff1831a6cb62d8cdaee29a49e0f6f785cb2f9c664f697", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking syn v1.0.42
[INFO] [stderr]     Checking synstructure v0.12.4
[INFO] [stderr]     Checking parity-util-mem-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `malloc_size_of_derive`
[INFO] [stdout]   --> lib.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn malloc_size_of_derive(s: synstructure::Structure) -> proc_macro2::TokenStream {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.35s
[INFO] running `Command { std: "docker" "inspect" "d62d07fd7d8de59ace9ff1831a6cb62d8cdaee29a49e0f6f785cb2f9c664f697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d62d07fd7d8de59ace9ff1831a6cb62d8cdaee29a49e0f6f785cb2f9c664f697", kill_on_drop: false }`
[INFO] [stdout] d62d07fd7d8de59ace9ff1831a6cb62d8cdaee29a49e0f6f785cb2f9c664f697