[INFO] crate yolo 0.1.2 is already in cache
[INFO] extracting crate yolo 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/yolo/0.1.2
[INFO] extracting crate yolo 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/yolo/0.1.2
[INFO] validating manifest of yolo-0.1.2 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of yolo-0.1.2 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing yolo-0.1.2
[INFO] finished frobbing yolo-0.1.2
[INFO] frobbed toml for yolo-0.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/yolo/0.1.2/Cargo.toml
[INFO] started frobbing yolo-0.1.2
[INFO] finished frobbing yolo-0.1.2
[INFO] frobbed toml for yolo-0.1.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/yolo/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing yolo-0.1.2 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/yolo/0.1.2:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 96156a61575bb22507076b6a8be3ca34ba9c10f030535c0bbd068596bf345fc7
[INFO] running `"docker" "start" "-a" "96156a61575bb22507076b6a8be3ca34ba9c10f030535c0bbd068596bf345fc7"`
[INFO] [stderr]    Compiling yolo v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `get_result`
[INFO] [stderr]   --> src/lib.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn get_result(v : i32) -> Result<i32, ()> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `"docker" "inspect" "96156a61575bb22507076b6a8be3ca34ba9c10f030535c0bbd068596bf345fc7"`
[INFO] running `"docker" "rm" "-f" "96156a61575bb22507076b6a8be3ca34ba9c10f030535c0bbd068596bf345fc7"`
[INFO] [stdout] 96156a61575bb22507076b6a8be3ca34ba9c10f030535c0bbd068596bf345fc7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/yolo/0.1.2:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f78909803ab1cbc70d4c4cdcb640bd61b833025df9973c582f550a117bcdd119
[INFO] running `"docker" "start" "-a" "f78909803ab1cbc70d4c4cdcb640bd61b833025df9973c582f550a117bcdd119"`
[INFO] [stderr]    Compiling yolo v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "f78909803ab1cbc70d4c4cdcb640bd61b833025df9973c582f550a117bcdd119"`
[INFO] running `"docker" "rm" "-f" "f78909803ab1cbc70d4c4cdcb640bd61b833025df9973c582f550a117bcdd119"`
[INFO] [stdout] f78909803ab1cbc70d4c4cdcb640bd61b833025df9973c582f550a117bcdd119
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/yolo/0.1.2:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] cb7097a4923e218911f8bafc60f7c9ab6134cb5670121c110d93c60e964e7ccb
[INFO] running `"docker" "start" "-a" "cb7097a4923e218911f8bafc60f7c9ab6134cb5670121c110d93c60e964e7ccb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/yolo-86f849cba139f172
[INFO] [stderr]    Doc-tests yolo
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "cb7097a4923e218911f8bafc60f7c9ab6134cb5670121c110d93c60e964e7ccb"`
[INFO] running `"docker" "rm" "-f" "cb7097a4923e218911f8bafc60f7c9ab6134cb5670121c110d93c60e964e7ccb"`
[INFO] [stdout] cb7097a4923e218911f8bafc60f7c9ab6134cb5670121c110d93c60e964e7ccb