[INFO] fetching crate erfs-gen 0.1.2...
[INFO] testing erfs-gen-0.1.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate erfs-gen 0.1.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate erfs-gen 0.1.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-5/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7281ef6058db97dadc2a9ab0aef073a271bfb405a084a8d88b8d1e177e334a1d
[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" "7281ef6058db97dadc2a9ab0aef073a271bfb405a084a8d88b8d1e177e334a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7281ef6058db97dadc2a9ab0aef073a271bfb405a084a8d88b8d1e177e334a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7281ef6058db97dadc2a9ab0aef073a271bfb405a084a8d88b8d1e177e334a1d", kill_on_drop: false }`
[INFO] [stdout] 7281ef6058db97dadc2a9ab0aef073a271bfb405a084a8d88b8d1e177e334a1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ac9d0c62c8c66df7feaf6a017f2d435f078bf94118b055a670efbba1f21d4e1
[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" "2ac9d0c62c8c66df7feaf6a017f2d435f078bf94118b055a670efbba1f21d4e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling bindgen v0.49.4
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling deflate v0.8.3
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling backtrace v0.3.44
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling which v2.0.1
[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 02s
[INFO] running `Command { std: "docker" "inspect" "2ac9d0c62c8c66df7feaf6a017f2d435f078bf94118b055a670efbba1f21d4e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ac9d0c62c8c66df7feaf6a017f2d435f078bf94118b055a670efbba1f21d4e1", kill_on_drop: false }`
[INFO] [stdout] 2ac9d0c62c8c66df7feaf6a017f2d435f078bf94118b055a670efbba1f21d4e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 305f4ee075945ef99519623384e356dadfef7e67e4050ad080cc94ef974b6681
[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" "305f4ee075945ef99519623384e356dadfef7e67e4050ad080cc94ef974b6681", kill_on_drop: false }`
[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]    Compiling erfs-gen v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `Command { std: "docker" "inspect" "305f4ee075945ef99519623384e356dadfef7e67e4050ad080cc94ef974b6681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "305f4ee075945ef99519623384e356dadfef7e67e4050ad080cc94ef974b6681", kill_on_drop: false }`
[INFO] [stdout] 305f4ee075945ef99519623384e356dadfef7e67e4050ad080cc94ef974b6681
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", 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] e99c1132f715cc2235fa047c926173e0664f8e945ea324b539fa16c69c14875f
[INFO] running `Command { std: "docker" "start" "-a" "e99c1132f715cc2235fa047c926173e0664f8e945ea324b539fa16c69c14875f", kill_on_drop: false }`
[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 test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/erfs_gen-3e6fbac0969e413d
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/erfs_gen-c036693c5123bc8a
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/erfsgen_it-2db8f33feba6d7f1
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests erfs-gen
[INFO] [stdout] test test_add ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e99c1132f715cc2235fa047c926173e0664f8e945ea324b539fa16c69c14875f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e99c1132f715cc2235fa047c926173e0664f8e945ea324b539fa16c69c14875f", kill_on_drop: false }`
[INFO] [stdout] e99c1132f715cc2235fa047c926173e0664f8e945ea324b539fa16c69c14875f