[INFO] cloning repository jbg/rust-mailer
[INFO] running `"git" "clone" "--bare" "git://github.com/jbg/rust-mailer.git" "work/cache/sources/gh/jbg/rust-mailer"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/jbg/rust-mailer'...
[INFO] running `"git" "clone" "work/cache/sources/gh/jbg/rust-mailer" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/jbg/rust-mailer"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/jbg/rust-mailer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jbg/rust-mailer" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/jbg/rust-mailer"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/jbg/rust-mailer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5e35e58c080e73db8c3b8185106bbeacb546c56d
[INFO] sha for GitHub repo jbg/rust-mailer: 5e35e58c080e73db8c3b8185106bbeacb546c56d
[INFO] validating manifest of jbg/rust-mailer 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 jbg/rust-mailer 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 jbg/rust-mailer
[INFO] finished frobbing jbg/rust-mailer
[INFO] frobbed toml for jbg/rust-mailer written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/jbg/rust-mailer/Cargo.toml
[INFO] started frobbing jbg/rust-mailer
[INFO] finished frobbing jbg/rust-mailer
[INFO] frobbed toml for jbg/rust-mailer written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/jbg/rust-mailer/Cargo.toml
[INFO] crate jbg/rust-mailer has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jbg/rust-mailer against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-4/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/jbg/rust-mailer:/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] 2d5071d43bdcd932325425b6d18dcdf4d3b5773152e9b7870d061cc0bf2786ef
[INFO] running `"docker" "start" "-a" "2d5071d43bdcd932325425b6d18dcdf4d3b5773152e9b7870d061cc0bf2786ef"`
[INFO] [stderr]     Checking futures-cpupool v0.1.2
[INFO] [stderr]     Checking rust-mailer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "2d5071d43bdcd932325425b6d18dcdf4d3b5773152e9b7870d061cc0bf2786ef"`
[INFO] running `"docker" "rm" "-f" "2d5071d43bdcd932325425b6d18dcdf4d3b5773152e9b7870d061cc0bf2786ef"`
[INFO] [stdout] 2d5071d43bdcd932325425b6d18dcdf4d3b5773152e9b7870d061cc0bf2786ef