[INFO] fetching crate erfs-gen 0.1.2...
[INFO] checking erfs-gen-0.1.2 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] extracting crate erfs-gen 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate erfs-gen 0.1.2 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate erfs-gen 0.1.2
[INFO] finished tweaking crates.io crate erfs-gen 0.1.2
[INFO] tweaked toml for crates.io crate erfs-gen 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate erfs-gen 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.1.7
[INFO] [stderr]   Downloaded deflate v0.8.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", 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] c537a1d76a3ee110d732fdb9d8f3e140409bf9d3f6e94948116dbc4de610be01
[INFO] running `Command { std: "docker" "start" "-a" "c537a1d76a3ee110d732fdb9d8f3e140409bf9d3f6e94948116dbc4de610be01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c537a1d76a3ee110d732fdb9d8f3e140409bf9d3f6e94948116dbc4de610be01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c537a1d76a3ee110d732fdb9d8f3e140409bf9d3f6e94948116dbc4de610be01", kill_on_drop: false }`
[INFO] [stdout] c537a1d76a3ee110d732fdb9d8f3e140409bf9d3f6e94948116dbc4de610be01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "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] e1309f6b3bc38e3f4fb542ba420c6f8b2bb8ea00bd29fb7c42d43e215b459afd
[INFO] running `Command { std: "docker" "start" "-a" "e1309f6b3bc38e3f4fb542ba420c6f8b2bb8ea00bd29fb7c42d43e215b459afd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking deflate v0.8.3
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling backtrace v0.3.44
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling bindgen v0.49.4
[INFO] [stderr]    Compiling erfs-gen v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: src/erfs_generator.cpp: In function 'int erfs_generate(const char*, const char*, int, const char*)':
[INFO] [stderr] warning: src/erfs_generator.cpp:126:9: warning: variable 'result' set but not used [-Wunused-but-set-variable]
[INFO] [stderr] warning:   126 |     int result = 0;
[INFO] [stderr] warning:       |         ^~~~~~
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "e1309f6b3bc38e3f4fb542ba420c6f8b2bb8ea00bd29fb7c42d43e215b459afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1309f6b3bc38e3f4fb542ba420c6f8b2bb8ea00bd29fb7c42d43e215b459afd", kill_on_drop: false }`
[INFO] [stdout] e1309f6b3bc38e3f4fb542ba420c6f8b2bb8ea00bd29fb7c42d43e215b459afd