[INFO] updating cached repository RustBicycleBook/wordcount
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/RustBicycleBook/wordcount
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/RustBicycleBook/wordcount" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/RustBicycleBook/wordcount"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/RustBicycleBook/wordcount'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/RustBicycleBook/wordcount" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/RustBicycleBook/wordcount"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/RustBicycleBook/wordcount'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3db5a191f5905cd48088161c13cdcfb19e83b247
[INFO] sha for GitHub repo RustBicycleBook/wordcount: 3db5a191f5905cd48088161c13cdcfb19e83b247
[INFO] validating manifest of RustBicycleBook/wordcount on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of RustBicycleBook/wordcount on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing RustBicycleBook/wordcount
[INFO] finished frobbing RustBicycleBook/wordcount
[INFO] frobbed toml for RustBicycleBook/wordcount written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/RustBicycleBook/wordcount/Cargo.toml
[INFO] started frobbing RustBicycleBook/wordcount
[INFO] finished frobbing RustBicycleBook/wordcount
[INFO] frobbed toml for RustBicycleBook/wordcount written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/RustBicycleBook/wordcount/Cargo.toml
[INFO] crate RustBicycleBook/wordcount already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking RustBicycleBook/wordcount against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-5/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/RustBicycleBook/wordcount:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 211cc6de67e4db0b0f8790b08d177d2a24cac099832b1ddf6859d60ff71102fe
[INFO] running `"docker" "start" "-a" "211cc6de67e4db0b0f8790b08d177d2a24cac099832b1ddf6859d60ff71102fe"`
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]     Checking memchr v2.1.2
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking bicycle-book-wordcount v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.48s
[INFO] running `"docker" "inspect" "211cc6de67e4db0b0f8790b08d177d2a24cac099832b1ddf6859d60ff71102fe"`
[INFO] running `"docker" "rm" "-f" "211cc6de67e4db0b0f8790b08d177d2a24cac099832b1ddf6859d60ff71102fe"`
[INFO] [stdout] 211cc6de67e4db0b0f8790b08d177d2a24cac099832b1ddf6859d60ff71102fe