[INFO] updating cached repository https://github.com/Robzz/cargo-docset
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 55fe70d9687e0966cb28e625a0f59d9ddae8413d
[INFO] checking Robzz/cargo-docset against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobzz%2Fcargo-docset" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Robzz/cargo-docset on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Robzz/cargo-docset
[INFO] finished tweaking git repo https://github.com/Robzz/cargo-docset
[INFO] tweaked toml for git repo https://github.com/Robzz/cargo-docset written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Robzz/cargo-docset already has a lockfile, it will not be regenerated
[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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] c24cc8381f48e02b0fba33f5cf946118b7c768f40333e877b50d540b7741cf60
[INFO] running `"docker" "start" "-a" "c24cc8381f48e02b0fba33f5cf946118b7c768f40333e877b50d540b7741cf60"`
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]     Checking rustc-workspace-hack v1.0.0
[INFO] [stderr]     Checking bytesize v1.0.0
[INFO] [stderr]     Checking shell-escape v0.1.4
[INFO] [stderr]     Checking opener v0.4.1
[INFO] [stderr]     Checking home v0.3.4
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.2
[INFO] [stderr]    Compiling libssh2-sys v0.2.13
[INFO] [stderr]    Compiling curl-sys v0.4.23
[INFO] [stderr]    Compiling libgit2-sys v0.8.2
[INFO] [stderr]    Compiling libsqlite3-sys v0.16.0
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking jobserver v0.1.17
[INFO] [stderr]     Checking sized-chunks v0.3.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]    Compiling snafu-derive v0.5.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking http v0.1.19
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]     Checking rusqlite v0.20.0
[INFO] [stderr]     Checking ignore v0.4.10
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]     Checking snafu v0.5.0
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking serde v1.0.102
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking toml v0.5.4
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking serde_ignored v0.0.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rustfix v0.4.6
[INFO] [stderr]     Checking crates-io v0.26.0
[INFO] [stderr]    Compiling im-rc v13.0.0
[INFO] [stderr]     Checking git2 v0.9.2
[INFO] [stderr]     Checking git2-curl v0.10.1
[INFO] [stderr]     Checking cargo v0.38.0
[INFO] [stderr]     Checking cargo-docset v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 16s
[INFO] running `"docker" "inspect" "c24cc8381f48e02b0fba33f5cf946118b7c768f40333e877b50d540b7741cf60"`
[INFO] running `"docker" "rm" "-f" "c24cc8381f48e02b0fba33f5cf946118b7c768f40333e877b50d540b7741cf60"`
[INFO] [stdout] c24cc8381f48e02b0fba33f5cf946118b7c768f40333e877b50d540b7741cf60