[INFO] fetching crate eth_pairings_repr_derive 0.1.0...
[INFO] checking eth_pairings_repr_derive-0.1.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate eth_pairings_repr_derive 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate eth_pairings_repr_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 eth_pairings_repr_derive 0.1.0
[INFO] finished tweaking crates.io crate eth_pairings_repr_derive 0.1.0
[INFO] tweaked toml for crates.io crate eth_pairings_repr_derive 0.1.0 written to /workspace/builds/worker-8/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] [stderr] warning: only one of `license` or `license-file` is necessary
[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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b87bce4ca466a9b553dc85fcd32634ff8c2b9b4e071883908238bb493c5792eb
[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" "b87bce4ca466a9b553dc85fcd32634ff8c2b9b4e071883908238bb493c5792eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b87bce4ca466a9b553dc85fcd32634ff8c2b9b4e071883908238bb493c5792eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b87bce4ca466a9b553dc85fcd32634ff8c2b9b4e071883908238bb493c5792eb", kill_on_drop: false }`
[INFO] [stdout] b87bce4ca466a9b553dc85fcd32634ff8c2b9b4e071883908238bb493c5792eb
[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" "+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] c44f04b6ed7687b084505336ff72a6a7dc1bd14c55cc00fe5e04673dd3347fd2
[INFO] running `Command { std: "docker" "start" "-a" "c44f04b6ed7687b084505336ff72a6a7dc1bd14c55cc00fe5e04673dd3347fd2", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking syn v0.14.9
[INFO] [stderr]     Checking eth_pairings_repr_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.94s
[INFO] running `Command { std: "docker" "inspect" "c44f04b6ed7687b084505336ff72a6a7dc1bd14c55cc00fe5e04673dd3347fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c44f04b6ed7687b084505336ff72a6a7dc1bd14c55cc00fe5e04673dd3347fd2", kill_on_drop: false }`
[INFO] [stdout] c44f04b6ed7687b084505336ff72a6a7dc1bd14c55cc00fe5e04673dd3347fd2