[INFO] crate wither_derive 0.8.0 is already in cache
[INFO] checking wither_derive-0.8.0 against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] extracting crate wither_derive 0.8.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate wither_derive 0.8.0 on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate wither_derive 0.8.0
[INFO] finished tweaking crates.io crate wither_derive 0.8.0
[INFO] tweaked toml for crates.io crate wither_derive 0.8.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 842cbd2d2d585cd73227a634b48797e7a680b30ef59d1eab61ac6022f4dad272
[INFO] running `"docker" "start" "-a" "842cbd2d2d585cd73227a634b48797e7a680b30ef59d1eab61ac6022f4dad272"`
[INFO] [stderr]     Checking try_from v0.2.2
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking separator v0.3.1
[INFO] [stderr]     Checking data-encoding v2.1.2
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking serde_json v1.0.45
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking semver v0.8.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.6.2
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking sha-1 v0.7.0
[INFO] [stderr]     Checking md-5 v0.7.0
[INFO] [stderr]     Checking hmac v0.6.3
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking pbkdf2 v0.2.3
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]     Checking scan_fmt v0.1.3
[INFO] [stderr]     Checking bson v0.13.0
[INFO] [stderr]     Checking textnonce v0.6.5
[INFO] [stderr]     Checking mongodb v0.3.12
[INFO] [stderr]     Checking wither_derive v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.57s
[INFO] running `"docker" "inspect" "842cbd2d2d585cd73227a634b48797e7a680b30ef59d1eab61ac6022f4dad272"`
[INFO] running `"docker" "rm" "-f" "842cbd2d2d585cd73227a634b48797e7a680b30ef59d1eab61ac6022f4dad272"`
[INFO] [stdout] 842cbd2d2d585cd73227a634b48797e7a680b30ef59d1eab61ac6022f4dad272