[INFO] updating cached repository https://github.com/adamreichold/b2_backup
[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] 52d3a66aa57c1222d6a8c0710457e373f6593b3b
[INFO] checking adamreichold/b2_backup against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamreichold%2Fb2_backup" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adamreichold/b2_backup on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/adamreichold/b2_backup
[INFO] finished tweaking git repo https://github.com/adamreichold/b2_backup
[INFO] tweaked toml for git repo https://github.com/adamreichold/b2_backup written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/adamreichold/b2_backup already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] f3e0988a8fc6efde4921f771c67d4757d617e6f56469bee1f2dd647b9339d50e
[INFO] running `"docker" "start" "-a" "f3e0988a8fc6efde4921f771c67d4757d617e6f56469bee1f2dd647b9339d50e"`
[INFO] [stderr]    Compiling bindgen v0.52.0
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling zstd-sys v1.4.15+zstd.1.4.4
[INFO] [stderr]    Compiling libsodium-sys v0.2.5 (https://github.com/sodiumoxide/sodiumoxide.git#546e8f21)
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]     Checking zeptohttpc v0.1.6 (https://github.com/adamreichold/zeptohttpc.git#a5e99f74)
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.1
[INFO] [stderr]     Checking zstd-safe v2.0.3+zstd.1.4.4
[INFO] [stderr]     Checking zstd v0.5.1+zstd.1.4.4
[INFO] [stderr]     Checking rusqlite v0.21.0
[INFO] [stderr]     Checking sodiumoxide v0.2.5 (https://github.com/sodiumoxide/sodiumoxide.git#546e8f21)
[INFO] [stderr]     Checking b2_backup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 18s
[INFO] running `"docker" "inspect" "f3e0988a8fc6efde4921f771c67d4757d617e6f56469bee1f2dd647b9339d50e"`
[INFO] running `"docker" "rm" "-f" "f3e0988a8fc6efde4921f771c67d4757d617e6f56469bee1f2dd647b9339d50e"`
[INFO] [stdout] f3e0988a8fc6efde4921f771c67d4757d617e6f56469bee1f2dd647b9339d50e