[INFO] updating cached repository hiblom/haddock
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hiblom/haddock
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hiblom/haddock" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/hiblom/haddock"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/hiblom/haddock'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hiblom/haddock" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/hiblom/haddock"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/hiblom/haddock'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 83934568ce328ef17b73ddf48c2938618a63071f
[INFO] sha for GitHub repo hiblom/haddock: 83934568ce328ef17b73ddf48c2938618a63071f
[INFO] validating manifest of hiblom/haddock 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 hiblom/haddock 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 hiblom/haddock
[INFO] finished frobbing hiblom/haddock
[INFO] frobbed toml for hiblom/haddock written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/hiblom/haddock/Cargo.toml
[INFO] started frobbing hiblom/haddock
[INFO] finished frobbing hiblom/haddock
[INFO] frobbed toml for hiblom/haddock written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/hiblom/haddock/Cargo.toml
[INFO] crate hiblom/haddock 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking hiblom/haddock against try#8ec8125bea94852768b56958f05da47666c21ab0 for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-6/try#8ec8125bea94852768b56958f05da47666c21ab0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/hiblom/haddock:/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" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 67fd0b1671bffa44c8483b48452231576b4487e42e7936e77e5f4728df22b4db
[INFO] running `"docker" "start" "-a" "67fd0b1671bffa44c8483b48452231576b4487e42e7936e77e5f4728df22b4db"`
[INFO] [stderr]    Compiling failure_derive v0.1.4
[INFO] [stderr]     Checking criterion-stats v0.3.0
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking csv v1.0.5
[INFO] [stderr]     Checking handlebars v1.0.5
[INFO] [stderr]     Checking failure v0.1.4
[INFO] [stderr]     Checking criterion-plot v0.2.7
[INFO] [stderr]     Checking criterion v0.2.7
[INFO] [stderr]     Checking haddock v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `Upper`
[INFO] [stderr]   --> src/transposition_table.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Upper}
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Upper`
[INFO] [stderr]   --> src/transposition_table.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Upper}
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.68s
[INFO] running `"docker" "inspect" "67fd0b1671bffa44c8483b48452231576b4487e42e7936e77e5f4728df22b4db"`
[INFO] running `"docker" "rm" "-f" "67fd0b1671bffa44c8483b48452231576b4487e42e7936e77e5f4728df22b4db"`
[INFO] [stdout] 67fd0b1671bffa44c8483b48452231576b4487e42e7936e77e5f4728df22b4db