[INFO] fetching crate async-compression 0.1.0-alpha.1...
[INFO] extracting crate async-compression 0.1.0-alpha.1 into work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/async-compression/0.1.0-alpha.1
[INFO] extracting crate async-compression 0.1.0-alpha.1 into work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/async-compression/0.1.0-alpha.1
[INFO] validating manifest of async-compression-0.1.0-alpha.1 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 async-compression-0.1.0-alpha.1 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 async-compression-0.1.0-alpha.1
[INFO] finished frobbing async-compression-0.1.0-alpha.1
[INFO] frobbed toml for async-compression-0.1.0-alpha.1 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/async-compression/0.1.0-alpha.1/Cargo.toml
[INFO] started frobbing async-compression-0.1.0-alpha.1
[INFO] finished frobbing async-compression-0.1.0-alpha.1
[INFO] frobbed toml for async-compression-0.1.0-alpha.1 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/async-compression/0.1.0-alpha.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 async-compression-0.1.0-alpha.1 against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-7/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/async-compression/0.1.0-alpha.1:/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] 0f1912cdbe67f7a28dc86988910f2fcfcf455ac4134e2cb4e9ed07b539e3e530
[INFO] running `"docker" "start" "-a" "0f1912cdbe67f7a28dc86988910f2fcfcf455ac4134e2cb4e9ed07b539e3e530"`
[INFO] [stderr]    Compiling pin-project v0.3.2
[INFO] [stderr]    Compiling proptest-derive v0.1.2
[INFO] [stderr]     Checking futures-test-preview v0.3.0-alpha.16
[INFO] [stderr]    Compiling zstd-sys v1.4.10+zstd.1.4.0
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking zstd-safe v1.4.9+zstd.1.4.0
[INFO] [stderr]     Checking zstd v0.4.24+zstd.1.4.0
[INFO] [stderr]     Checking async-compression v0.1.0-alpha.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.99s
[INFO] running `"docker" "inspect" "0f1912cdbe67f7a28dc86988910f2fcfcf455ac4134e2cb4e9ed07b539e3e530"`
[INFO] running `"docker" "rm" "-f" "0f1912cdbe67f7a28dc86988910f2fcfcf455ac4134e2cb4e9ed07b539e3e530"`
[INFO] [stdout] 0f1912cdbe67f7a28dc86988910f2fcfcf455ac4134e2cb4e9ed07b539e3e530