[INFO] updating cached repository rust-lang/libc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rust-lang/libc
[INFO] [stderr]  * branch                HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rust-lang/libc" "work/ex/beta-1.38-1/sources/1.37.0/gh/rust-lang/libc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rust-lang/libc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rust-lang/libc" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rust-lang/libc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rust-lang/libc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2026c866673a84ad0cd63ac2d73a4f4c2df277ac
[INFO] sha for GitHub repo rust-lang/libc: 2026c866673a84ad0cd63ac2d73a4f4c2df277ac
[INFO] validating manifest of rust-lang/libc on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rust-lang/libc on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rust-lang/libc
[INFO] removed workspace from rust-lang/libc
[INFO] finished frobbing rust-lang/libc
[INFO] frobbed toml for rust-lang/libc written to work/ex/beta-1.38-1/sources/1.37.0/gh/rust-lang/libc/Cargo.toml
[INFO] started frobbing rust-lang/libc
[INFO] removed workspace from rust-lang/libc
[INFO] finished frobbing rust-lang/libc
[INFO] frobbed toml for rust-lang/libc written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rust-lang/libc/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rust-lang/libc against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rust-lang/libc:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 22c96b8dd4a0f2bfe31d30368e1278006db94fc733a577ebb549aaadae82f905
[INFO] running `"docker" "start" "-a" "22c96b8dd4a0f2bfe31d30368e1278006db94fc733a577ebb549aaadae82f905"`
[INFO] [stderr]    Compiling libc v0.2.58 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `"docker" "inspect" "22c96b8dd4a0f2bfe31d30368e1278006db94fc733a577ebb549aaadae82f905"`
[INFO] running `"docker" "rm" "-f" "22c96b8dd4a0f2bfe31d30368e1278006db94fc733a577ebb549aaadae82f905"`
[INFO] [stdout] 22c96b8dd4a0f2bfe31d30368e1278006db94fc733a577ebb549aaadae82f905
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rust-lang/libc:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1969999b843135b3d60f20399f2b95fa0d05fe815eca92f0a2cf356cd395a412
[INFO] running `"docker" "start" "-a" "1969999b843135b3d60f20399f2b95fa0d05fe815eca92f0a2cf356cd395a412"`
[INFO] [stderr]    Compiling libc v0.2.58 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `"docker" "inspect" "1969999b843135b3d60f20399f2b95fa0d05fe815eca92f0a2cf356cd395a412"`
[INFO] running `"docker" "rm" "-f" "1969999b843135b3d60f20399f2b95fa0d05fe815eca92f0a2cf356cd395a412"`
[INFO] [stdout] 1969999b843135b3d60f20399f2b95fa0d05fe815eca92f0a2cf356cd395a412
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rust-lang/libc:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 31d97d4e1e4379ad8ef0fbf602503a08101efe0661e5c8a35007bd1d8b90767a
[INFO] running `"docker" "start" "-a" "31d97d4e1e4379ad8ef0fbf602503a08101efe0661e5c8a35007bd1d8b90767a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/libc-c2244d725f730ada
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libc
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "31d97d4e1e4379ad8ef0fbf602503a08101efe0661e5c8a35007bd1d8b90767a"`
[INFO] running `"docker" "rm" "-f" "31d97d4e1e4379ad8ef0fbf602503a08101efe0661e5c8a35007bd1d8b90767a"`
[INFO] [stdout] 31d97d4e1e4379ad8ef0fbf602503a08101efe0661e5c8a35007bd1d8b90767a