[INFO] updating cached repository ehuss/cargo-prefetch
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ehuss/cargo-prefetch
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ehuss/cargo-prefetch" "work/ex/beta-1.38-1/sources/1.37.0/gh/ehuss/cargo-prefetch"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ehuss/cargo-prefetch'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ehuss/cargo-prefetch" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ehuss/cargo-prefetch"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ehuss/cargo-prefetch'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 08bbc066b608ae849a4ff8c40aa64fa3193f90b0
[INFO] sha for GitHub repo ehuss/cargo-prefetch: 08bbc066b608ae849a4ff8c40aa64fa3193f90b0
[INFO] validating manifest of ehuss/cargo-prefetch 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 ehuss/cargo-prefetch 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 ehuss/cargo-prefetch
[INFO] finished frobbing ehuss/cargo-prefetch
[INFO] frobbed toml for ehuss/cargo-prefetch written to work/ex/beta-1.38-1/sources/1.37.0/gh/ehuss/cargo-prefetch/Cargo.toml
[INFO] started frobbing ehuss/cargo-prefetch
[INFO] finished frobbing ehuss/cargo-prefetch
[INFO] frobbed toml for ehuss/cargo-prefetch written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ehuss/cargo-prefetch/Cargo.toml
[INFO] crate ehuss/cargo-prefetch already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ehuss/cargo-prefetch against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ehuss/cargo-prefetch:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 635a26fe3d71962ecc335b2cff890faa6265f363208434d608b9dbd140580488
[INFO] running `"docker" "start" "-a" "635a26fe3d71962ecc335b2cff890faa6265f363208434d608b9dbd140580488"`
[INFO] [stderr]    Compiling syn v0.15.31
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling toml v0.5.0
[INFO] [stderr]    Compiling tempfile v3.0.7
[INFO] [stderr]    Compiling tokio-threadpool v0.1.13
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.18
[INFO] [stderr]    Compiling hyper v0.12.27
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling cookie_store v0.5.1
[INFO] [stderr]    Compiling reqwest v0.9.15
[INFO] [stderr]    Compiling cargo-prefetch v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 29s
[INFO] running `"docker" "inspect" "635a26fe3d71962ecc335b2cff890faa6265f363208434d608b9dbd140580488"`
[INFO] running `"docker" "rm" "-f" "635a26fe3d71962ecc335b2cff890faa6265f363208434d608b9dbd140580488"`
[INFO] [stdout] 635a26fe3d71962ecc335b2cff890faa6265f363208434d608b9dbd140580488
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ehuss/cargo-prefetch:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] a98fb448ad786a91d910ea88471f7d7792913e3dd0cc7bbb744346b02c7759ac
[INFO] running `"docker" "start" "-a" "a98fb448ad786a91d910ea88471f7d7792913e3dd0cc7bbb744346b02c7759ac"`
[INFO] [stderr]    Compiling cargo-prefetch v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `"docker" "inspect" "a98fb448ad786a91d910ea88471f7d7792913e3dd0cc7bbb744346b02c7759ac"`
[INFO] running `"docker" "rm" "-f" "a98fb448ad786a91d910ea88471f7d7792913e3dd0cc7bbb744346b02c7759ac"`
[INFO] [stdout] a98fb448ad786a91d910ea88471f7d7792913e3dd0cc7bbb744346b02c7759ac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ehuss/cargo-prefetch:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 27c496a803e3bab084413e71c0d2b471cfe0e502f5a67024aafeb04d75a14bc9
[INFO] running `"docker" "start" "-a" "27c496a803e3bab084413e71c0d2b471cfe0e502f5a67024aafeb04d75a14bc9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_prefetch-3d8b8d60afe447b2
[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" "27c496a803e3bab084413e71c0d2b471cfe0e502f5a67024aafeb04d75a14bc9"`
[INFO] running `"docker" "rm" "-f" "27c496a803e3bab084413e71c0d2b471cfe0e502f5a67024aafeb04d75a14bc9"`
[INFO] [stdout] 27c496a803e3bab084413e71c0d2b471cfe0e502f5a67024aafeb04d75a14bc9