[INFO] updating cached repository vorner/pgz
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/vorner/pgz
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/vorner/pgz" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/vorner/pgz"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/vorner/pgz'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/vorner/pgz" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/vorner/pgz"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/vorner/pgz'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f73f3c3b7d48abc77b63a8d9d564d48b3f05a808
[INFO] sha for GitHub repo vorner/pgz: f73f3c3b7d48abc77b63a8d9d564d48b3f05a808
[INFO] validating manifest of vorner/pgz on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of vorner/pgz on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing vorner/pgz
[INFO] finished frobbing vorner/pgz
[INFO] frobbed toml for vorner/pgz written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/vorner/pgz/Cargo.toml
[INFO] started frobbing vorner/pgz
[INFO] finished frobbing vorner/pgz
[INFO] frobbed toml for vorner/pgz written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/vorner/pgz/Cargo.toml
[INFO] crate vorner/pgz already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking vorner/pgz against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-4/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/vorner/pgz:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7473ed1c393376fa9ea187e37ff946dd76f2da74b5ecffa18a22b7e4c3cef4b6
[INFO] running `"docker" "start" "-a" "7473ed1c393376fa9ea187e37ff946dd76f2da74b5ecffa18a22b7e4c3cef4b6"`
[INFO] [stderr]     Checking futures v0.1.17
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking clap v2.28.0
[INFO] [stderr]     Checking backtrace-sys v0.1.16
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stderr]     Checking backtrace v0.3.4
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]     Checking futures-cpupool v0.1.7
[INFO] [stderr]     Checking structopt v0.1.6
[INFO] [stderr]     Checking pgz v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `futures::stream::Buffered` that must be used
[INFO] [stderr]   --> src/main.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 | /     in_receiver
[INFO] [stderr] 85 | |         .map_err(|()| failure::err_msg("Error on channel"))
[INFO] [stderr] 86 | |         .map(|chunk| {
[INFO] [stderr] 87 | |              pool.spawn(future::lazy(move || {
[INFO] [stderr] ...  |
[INFO] [stderr] 92 | |         .forward(out_sender)
[INFO] [stderr] 93 | |         .wait()?;
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: streams do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `futures::stream::Buffered` that must be used
[INFO] [stderr]   --> src/main.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 | /     in_receiver
[INFO] [stderr] 85 | |         .map_err(|()| failure::err_msg("Error on channel"))
[INFO] [stderr] 86 | |         .map(|chunk| {
[INFO] [stderr] 87 | |              pool.spawn(future::lazy(move || {
[INFO] [stderr] ...  |
[INFO] [stderr] 92 | |         .forward(out_sender)
[INFO] [stderr] 93 | |         .wait()?;
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: streams do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.70s
[INFO] running `"docker" "inspect" "7473ed1c393376fa9ea187e37ff946dd76f2da74b5ecffa18a22b7e4c3cef4b6"`
[INFO] running `"docker" "rm" "-f" "7473ed1c393376fa9ea187e37ff946dd76f2da74b5ecffa18a22b7e4c3cef4b6"`
[INFO] [stdout] 7473ed1c393376fa9ea187e37ff946dd76f2da74b5ecffa18a22b7e4c3cef4b6