[INFO] updating cached repository cesare/rust-http-experiments [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/cesare/rust-http-experiments [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/cesare/rust-http-experiments" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/cesare/rust-http-experiments"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/cesare/rust-http-experiments'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/cesare/rust-http-experiments" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/cesare/rust-http-experiments"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/cesare/rust-http-experiments'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 3be623e3653ac2fcba39200cb17d1d5401ae1268 [INFO] sha for GitHub repo cesare/rust-http-experiments: 3be623e3653ac2fcba39200cb17d1d5401ae1268 [INFO] validating manifest of cesare/rust-http-experiments 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 cesare/rust-http-experiments 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 cesare/rust-http-experiments [INFO] finished frobbing cesare/rust-http-experiments [INFO] frobbed toml for cesare/rust-http-experiments written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/cesare/rust-http-experiments/Cargo.toml [INFO] started frobbing cesare/rust-http-experiments [INFO] finished frobbing cesare/rust-http-experiments [INFO] frobbed toml for cesare/rust-http-experiments written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/cesare/rust-http-experiments/Cargo.toml [INFO] crate cesare/rust-http-experiments 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 cesare/rust-http-experiments against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-2/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/cesare/rust-http-experiments:/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] 152d437eae22a5739cc07cbecaa5808705459e006374ecf56aab1404dbd186c2 [INFO] running `"docker" "start" "-a" "152d437eae22a5739cc07cbecaa5808705459e006374ecf56aab1404dbd186c2"` [INFO] [stderr] Checking ring v0.7.3 [INFO] [stderr] Checking webpki v0.10.0 [INFO] [stderr] Checking webpki-roots v0.7.0 [INFO] [stderr] Checking rustls v0.5.8 [INFO] [stderr] Checking hyper-rustls v0.3.2 [INFO] [stderr] Checking http-experiments v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.60s [INFO] running `"docker" "inspect" "152d437eae22a5739cc07cbecaa5808705459e006374ecf56aab1404dbd186c2"` [INFO] running `"docker" "rm" "-f" "152d437eae22a5739cc07cbecaa5808705459e006374ecf56aab1404dbd186c2"` [INFO] [stdout] 152d437eae22a5739cc07cbecaa5808705459e006374ecf56aab1404dbd186c2