[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-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/vorner/pgz"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/vorner/pgz'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/vorner/pgz" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/vorner/pgz"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/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#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of vorner/pgz on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-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-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/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-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/vorner/pgz/Cargo.toml
[INFO] crate vorner/pgz already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking vorner/pgz against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-3/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/vorner/pgz:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4dc5d8e3016c7136c491eff4b71a859fb948c08f908a5c1596cd1d7735083ca6
[INFO] running `"docker" "start" "-a" "4dc5d8e3016c7136c491eff4b71a859fb948c08f908a5c1596cd1d7735083ca6"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking futures v0.1.17
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stderr]     Checking clap v2.28.0
[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` in tuple element 0 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` in tuple element 0 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 13.72s
[INFO] running `"docker" "inspect" "4dc5d8e3016c7136c491eff4b71a859fb948c08f908a5c1596cd1d7735083ca6"`
[INFO] running `"docker" "rm" "-f" "4dc5d8e3016c7136c491eff4b71a859fb948c08f908a5c1596cd1d7735083ca6"`
[INFO] [stdout] 4dc5d8e3016c7136c491eff4b71a859fb948c08f908a5c1596cd1d7735083ca6