[INFO] fetching crate librsync-sys 0.1.2...
[INFO] checking librsync-sys-0.1.2 against beta for pr-78714
[INFO] extracting crate librsync-sys 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate librsync-sys 0.1.2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate librsync-sys 0.1.2
[INFO] finished tweaking crates.io crate librsync-sys 0.1.2
[INFO] tweaked toml for crates.io crate librsync-sys 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6521be794b44a28c9dbe48217c136bbe3486b372c09cb000c54f0b543c2eb929
[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" "6521be794b44a28c9dbe48217c136bbe3486b372c09cb000c54f0b543c2eb929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6521be794b44a28c9dbe48217c136bbe3486b372c09cb000c54f0b543c2eb929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6521be794b44a28c9dbe48217c136bbe3486b372c09cb000c54f0b543c2eb929", kill_on_drop: false }`
[INFO] [stdout] 6521be794b44a28c9dbe48217c136bbe3486b372c09cb000c54f0b543c2eb929
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 4d3eaac454532e472f7c3c1d77875d82566324518a428a813821fe6160d4ba7e
[INFO] running `Command { std: "docker" "start" "-a" "4d3eaac454532e472f7c3c1d77875d82566324518a428a813821fe6160d4ba7e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling librsync-sys v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: librsync/src/patch.c: In function 'rs_patch_s_copying':
[INFO] [stderr] warning: librsync/src/patch.c:189:27: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'rs_long_t' {aka 'long int'} [-Wsign-compare]
[INFO] [stderr] warning:   189 |         (buffs->avail_out < job->basis_len) ? buffs->avail_out : job->basis_len;
[INFO] [stderr] warning:       |                           ^
[INFO] [stderr] warning: librsync/src/patch.c:189:66: warning: operand of ?: changes signedness from 'rs_long_t' {aka 'long int'} to 'size_t' {aka 'long unsigned int'} due to unsignedness of other operand [-Wsign-compare]
[INFO] [stderr] warning:   189 |         (buffs->avail_out < job->basis_len) ? buffs->avail_out : job->basis_len;
[INFO] [stderr] warning:       |                                                                  ^~~~~~~~~~~~~~
[INFO] [stderr] warning: librsync/src/patch.c:203:67: warning: suggest braces around empty body in an 'else' statement [-Wempty-body]
[INFO] [stderr] warning:   203 |         rs_trace("copy callback returned %s", rs_strerror(result));
[INFO] [stderr] warning:       |                                                                   ^
[INFO] [stderr] warning: librsync/src/patch.c: In function 'rs_patch_s_header':
[INFO] [stderr] warning: librsync/src/patch.c:244:43: warning: suggest braces around empty body in an 'else' statement [-Wempty-body]
[INFO] [stderr] warning:   244 |         rs_trace("got patch magic %#x", v);
[INFO] [stderr] warning:       |                                           ^
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.21s
[INFO] running `Command { std: "docker" "inspect" "4d3eaac454532e472f7c3c1d77875d82566324518a428a813821fe6160d4ba7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d3eaac454532e472f7c3c1d77875d82566324518a428a813821fe6160d4ba7e", kill_on_drop: false }`
[INFO] [stdout] 4d3eaac454532e472f7c3c1d77875d82566324518a428a813821fe6160d4ba7e