[INFO] fetching crate librsync-sys 0.1.2...
[INFO] checking librsync-sys-0.1.2 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate librsync-sys 0.1.2 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate librsync-sys 0.1.2 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-84/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24e0744d42e21489b71aab5a9bce36fb5ce6ff88b42e1dbc1f06dbb50a0e5540
[INFO] running `Command { std: "docker" "start" "-a" "24e0744d42e21489b71aab5a9bce36fb5ce6ff88b42e1dbc1f06dbb50a0e5540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24e0744d42e21489b71aab5a9bce36fb5ce6ff88b42e1dbc1f06dbb50a0e5540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24e0744d42e21489b71aab5a9bce36fb5ce6ff88b42e1dbc1f06dbb50a0e5540", kill_on_drop: false }`
[INFO] [stdout] 24e0744d42e21489b71aab5a9bce36fb5ce6ff88b42e1dbc1f06dbb50a0e5540
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7ee66a952efb27856b7cf28c3214bbc9af3ef0e5e08f4a744a1f76be41730b3
[INFO] running `Command { std: "docker" "start" "-a" "a7ee66a952efb27856b7cf28c3214bbc9af3ef0e5e08f4a744a1f76be41730b3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.108
[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 6.41s
[INFO] running `Command { std: "docker" "inspect" "a7ee66a952efb27856b7cf28c3214bbc9af3ef0e5e08f4a744a1f76be41730b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7ee66a952efb27856b7cf28c3214bbc9af3ef0e5e08f4a744a1f76be41730b3", kill_on_drop: false }`
[INFO] [stdout] a7ee66a952efb27856b7cf28c3214bbc9af3ef0e5e08f4a744a1f76be41730b3