[INFO] updating cached repository r-darwish/topgrade
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/r-darwish/topgrade
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/r-darwish/topgrade" "work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/r-darwish/topgrade"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/r-darwish/topgrade'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/r-darwish/topgrade" "work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/r-darwish/topgrade"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/r-darwish/topgrade'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c916b2920d28c929badd4947f1beed367508d1ea
[INFO] sha for GitHub repo r-darwish/topgrade: c916b2920d28c929badd4947f1beed367508d1ea
[INFO] validating manifest of r-darwish/topgrade on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of r-darwish/topgrade on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing r-darwish/topgrade
[INFO] finished frobbing r-darwish/topgrade
[INFO] frobbed toml for r-darwish/topgrade written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/r-darwish/topgrade/Cargo.toml
[INFO] started frobbing r-darwish/topgrade
[INFO] finished frobbing r-darwish/topgrade
[INFO] frobbed toml for r-darwish/topgrade written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/r-darwish/topgrade/Cargo.toml
[INFO] crate r-darwish/topgrade has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking r-darwish/topgrade against try#bad365140e1e8233b42b21af70a407f14ce5fec5 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-5/try#bad365140e1e8233b42b21af70a407f14ce5fec5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/r-darwish/topgrade:/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=forbid" "-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" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 76e94a52b262118df25335a65f760bb9581ffa599643c088532c9220dd0df401
[INFO] running `"docker" "start" "-a" "76e94a52b262118df25335a65f760bb9581ffa599643c088532c9220dd0df401"`
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]     Checking clicolors-control v0.3.1
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking directories v1.0.2
[INFO] [stderr]     Checking backtrace-sys v0.1.24
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]     Checking backtrace v0.3.11
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking parking_lot v0.7.0
[INFO] [stderr]     Checking which v2.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking console v0.7.1
[INFO] [stderr]     Checking env_logger v0.6.0
[INFO] [stderr]     Checking topgrade v1.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.67s
[INFO] running `"docker" "inspect" "76e94a52b262118df25335a65f760bb9581ffa599643c088532c9220dd0df401"`
[INFO] running `"docker" "rm" "-f" "76e94a52b262118df25335a65f760bb9581ffa599643c088532c9220dd0df401"`
[INFO] [stdout] 76e94a52b262118df25335a65f760bb9581ffa599643c088532c9220dd0df401