[INFO] fetching crate ethane-types 1.0.2...
[INFO] checking ethane-types-1.0.2 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate ethane-types 1.0.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate ethane-types 1.0.2 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ethane-types 1.0.2
[INFO] finished tweaking crates.io crate ethane-types 1.0.2
[INFO] tweaked toml for crates.io crate ethane-types 1.0.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] 6ee1d5e3757bc095398c57821d3351c5e14c8800c4e65e4736ad6e99bf5e5198
[INFO] running `Command { std: "docker" "start" "-a" "6ee1d5e3757bc095398c57821d3351c5e14c8800c4e65e4736ad6e99bf5e5198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ee1d5e3757bc095398c57821d3351c5e14c8800c4e65e4736ad6e99bf5e5198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ee1d5e3757bc095398c57821d3351c5e14c8800c4e65e4736ad6e99bf5e5198", kill_on_drop: false }`
[INFO] [stdout] 6ee1d5e3757bc095398c57821d3351c5e14c8800c4e65e4736ad6e99bf5e5198
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd6bfd555aaf5f98e642e883178cd80263acb6cbbec3bcca417b9b61747df064
[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" "bd6bfd555aaf5f98e642e883178cd80263acb6cbbec3bcca417b9b61747df064", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking serde_test v1.0.130
[INFO] [stderr]     Checking ethane-types v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::convert::From::from` that must be used
[INFO] [stdout]    --> src/ethereum_type.rs:363:9
[INFO] [stdout]     |
[INFO] [stdout] 363 |         EthereumType::<1, false>::from([12_u8]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::convert::From::from` that must be used
[INFO] [stdout]    --> src/ethereum_type.rs:364:9
[INFO] [stdout]     |
[INFO] [stdout] 364 |         EthereumType::<2, false>::from([12_u8; 2]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::convert::From::from` that must be used
[INFO] [stdout]    --> src/ethereum_type.rs:365:9
[INFO] [stdout]     |
[INFO] [stdout] 365 |         EthereumType::<20, false>::from([12_u8; 20]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::convert::From::from` that must be used
[INFO] [stdout]    --> src/ethereum_type.rs:366:9
[INFO] [stdout]     |
[INFO] [stdout] 366 |         EthereumType::<32, false>::from([12_u8; 32]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::convert::From::from` that must be used
[INFO] [stdout]    --> src/ethereum_type.rs:367:9
[INFO] [stdout]     |
[INFO] [stdout] 367 |         EthereumType::<32, false>::from(&[12_u8; 32]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.82s
[INFO] running `Command { std: "docker" "inspect" "bd6bfd555aaf5f98e642e883178cd80263acb6cbbec3bcca417b9b61747df064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd6bfd555aaf5f98e642e883178cd80263acb6cbbec3bcca417b9b61747df064", kill_on_drop: false }`
[INFO] [stdout] bd6bfd555aaf5f98e642e883178cd80263acb6cbbec3bcca417b9b61747df064