[INFO] fetching crate exonum-derive 1.0.0...
[INFO] checking exonum-derive-1.0.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate exonum-derive 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate exonum-derive 1.0.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exonum-derive 1.0.0
[INFO] finished tweaking crates.io crate exonum-derive 1.0.0
[INFO] tweaked toml for crates.io crate exonum-derive 1.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41cc439ef014b189fcba814d30c64f30ce009d2c9ccd5a65e7c83a1d0dd7aec5
[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" "41cc439ef014b189fcba814d30c64f30ce009d2c9ccd5a65e7c83a1d0dd7aec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41cc439ef014b189fcba814d30c64f30ce009d2c9ccd5a65e7c83a1d0dd7aec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41cc439ef014b189fcba814d30c64f30ce009d2c9ccd5a65e7c83a1d0dd7aec5", kill_on_drop: false }`
[INFO] [stdout] 41cc439ef014b189fcba814d30c64f30ce009d2c9ccd5a65e7c83a1d0dd7aec5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a5d8975f17c84f641d071d3d61784677fe8e55406e9201ffb58ed15b09ac00f
[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" "5a5d8975f17c84f641d071d3d61784677fe8e55406e9201ffb58ed15b09ac00f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking ident_case v1.0.1
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking darling v0.10.2
[INFO] [stderr]     Checking exonum-derive v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.79s
[INFO] running `Command { std: "docker" "inspect" "5a5d8975f17c84f641d071d3d61784677fe8e55406e9201ffb58ed15b09ac00f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a5d8975f17c84f641d071d3d61784677fe8e55406e9201ffb58ed15b09ac00f", kill_on_drop: false }`
[INFO] [stdout] 5a5d8975f17c84f641d071d3d61784677fe8e55406e9201ffb58ed15b09ac00f