[INFO] fetching crate arc-swap 0.3.6...
[INFO] extracting crate arc-swap 0.3.6 into work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/arc-swap/0.3.6
[INFO] extracting crate arc-swap 0.3.6 into work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/arc-swap/0.3.6
[INFO] validating manifest of arc-swap-0.3.6 on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of arc-swap-0.3.6 on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing arc-swap-0.3.6
[INFO] finished frobbing arc-swap-0.3.6
[INFO] frobbed toml for arc-swap-0.3.6 written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/arc-swap/0.3.6/Cargo.toml
[INFO] started frobbing arc-swap-0.3.6
[INFO] finished frobbing arc-swap-0.3.6
[INFO] frobbed toml for arc-swap-0.3.6 written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/arc-swap/0.3.6/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded model v0.0.4
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking arc-swap-0.3.6 against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-7/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/arc-swap/0.3.6:/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7ce8044ae320dd326fed7fe438fcef1adbb689af4615825497aa42d122c1cdf0
[INFO] running `"docker" "start" "-a" "7ce8044ae320dd326fed7fe438fcef1adbb689af4615825497aa42d122c1cdf0"`
[INFO] [stderr]     Checking arc-swap v0.3.6 (/opt/crater/workdir)
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking crossbeam v0.5.0
[INFO] [stderr]     Checking proptest v0.7.2
[INFO] [stderr]     Checking model v0.0.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.50s
[INFO] running `"docker" "inspect" "7ce8044ae320dd326fed7fe438fcef1adbb689af4615825497aa42d122c1cdf0"`
[INFO] running `"docker" "rm" "-f" "7ce8044ae320dd326fed7fe438fcef1adbb689af4615825497aa42d122c1cdf0"`
[INFO] [stdout] 7ce8044ae320dd326fed7fe438fcef1adbb689af4615825497aa42d122c1cdf0