[INFO] updating cached repository hjr3/future-mpsc-example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hjr3/future-mpsc-example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hjr3/future-mpsc-example" "work/ex/beta-1.37-6/sources/1.36.0/gh/hjr3/future-mpsc-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/hjr3/future-mpsc-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hjr3/future-mpsc-example" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hjr3/future-mpsc-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hjr3/future-mpsc-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 88217f15cff0e029900e5d8820b55a8c5d7e4666
[INFO] sha for GitHub repo hjr3/future-mpsc-example: 88217f15cff0e029900e5d8820b55a8c5d7e4666
[INFO] validating manifest of hjr3/future-mpsc-example on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hjr3/future-mpsc-example on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hjr3/future-mpsc-example
[INFO] finished frobbing hjr3/future-mpsc-example
[INFO] frobbed toml for hjr3/future-mpsc-example written to work/ex/beta-1.37-6/sources/1.36.0/gh/hjr3/future-mpsc-example/Cargo.toml
[INFO] started frobbing hjr3/future-mpsc-example
[INFO] finished frobbing hjr3/future-mpsc-example
[INFO] frobbed toml for hjr3/future-mpsc-example written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hjr3/future-mpsc-example/Cargo.toml
[INFO] crate hjr3/future-mpsc-example already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing hjr3/future-mpsc-example against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/hjr3/future-mpsc-example:/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 3db313050cf45e8183513881e0820e5b6acf6fad742136c6f721f4b2ac160311
[INFO] running `"docker" "start" "-a" "3db313050cf45e8183513881e0820e5b6acf6fad742136c6f721f4b2ac160311"`
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.4.0
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling net2 v0.2.26
[INFO] [stderr]    Compiling thread_local v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.6.2
[INFO] [stderr]    Compiling futures v0.1.10
[INFO] [stderr]    Compiling mio v0.6.4
[INFO] [stderr]    Compiling tokio-core v0.1.4
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling env_logger v0.4.1
[INFO] [stderr]    Compiling future-mpsc-example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.39s
[INFO] running `"docker" "inspect" "3db313050cf45e8183513881e0820e5b6acf6fad742136c6f721f4b2ac160311"`
[INFO] running `"docker" "rm" "-f" "3db313050cf45e8183513881e0820e5b6acf6fad742136c6f721f4b2ac160311"`
[INFO] [stdout] 3db313050cf45e8183513881e0820e5b6acf6fad742136c6f721f4b2ac160311
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/hjr3/future-mpsc-example:/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2c9209ce3068c9de444b1bb56796d904f9ab3584d7c4b54d328b9dc22263c9fe
[INFO] running `"docker" "start" "-a" "2c9209ce3068c9de444b1bb56796d904f9ab3584d7c4b54d328b9dc22263c9fe"`
[INFO] [stderr]    Compiling future-mpsc-example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "2c9209ce3068c9de444b1bb56796d904f9ab3584d7c4b54d328b9dc22263c9fe"`
[INFO] running `"docker" "rm" "-f" "2c9209ce3068c9de444b1bb56796d904f9ab3584d7c4b54d328b9dc22263c9fe"`
[INFO] [stdout] 2c9209ce3068c9de444b1bb56796d904f9ab3584d7c4b54d328b9dc22263c9fe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/hjr3/future-mpsc-example:/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 166ebbbfa28d292161b53f20274e59eb5cef4840a3d265467cc698cac42bfa5d
[INFO] running `"docker" "start" "-a" "166ebbbfa28d292161b53f20274e59eb5cef4840a3d265467cc698cac42bfa5d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/future_mpsc_example-d2c7b82e40ec356c
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "166ebbbfa28d292161b53f20274e59eb5cef4840a3d265467cc698cac42bfa5d"`
[INFO] running `"docker" "rm" "-f" "166ebbbfa28d292161b53f20274e59eb5cef4840a3d265467cc698cac42bfa5d"`
[INFO] [stdout] 166ebbbfa28d292161b53f20274e59eb5cef4840a3d265467cc698cac42bfa5d