[INFO] updating cached repository danmack/readfile1-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/danmack/readfile1-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/danmack/readfile1-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/danmack/readfile1-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/danmack/readfile1-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/danmack/readfile1-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/danmack/readfile1-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/danmack/readfile1-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a792517039d73cb6755d8b6d7082bd2e60f1dee6
[INFO] sha for GitHub repo danmack/readfile1-rs: a792517039d73cb6755d8b6d7082bd2e60f1dee6
[INFO] validating manifest of danmack/readfile1-rs 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 danmack/readfile1-rs 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 danmack/readfile1-rs
[INFO] finished frobbing danmack/readfile1-rs
[INFO] frobbed toml for danmack/readfile1-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/danmack/readfile1-rs/Cargo.toml
[INFO] started frobbing danmack/readfile1-rs
[INFO] finished frobbing danmack/readfile1-rs
[INFO] frobbed toml for danmack/readfile1-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/danmack/readfile1-rs/Cargo.toml
[INFO] crate danmack/readfile1-rs 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 danmack/readfile1-rs 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-5/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/danmack/readfile1-rs:/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] 593da3dab3322239c8a6bb613dacd069db8c1598f9daebc8846b75df91e342e2
[INFO] running `"docker" "start" "-a" "593da3dab3322239c8a6bb613dacd069db8c1598f9daebc8846b75df91e342e2"`
[INFO] [stderr]    Compiling readfile1-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "593da3dab3322239c8a6bb613dacd069db8c1598f9daebc8846b75df91e342e2"`
[INFO] running `"docker" "rm" "-f" "593da3dab3322239c8a6bb613dacd069db8c1598f9daebc8846b75df91e342e2"`
[INFO] [stdout] 593da3dab3322239c8a6bb613dacd069db8c1598f9daebc8846b75df91e342e2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/danmack/readfile1-rs:/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] a81d9f765265659bfbf4fd365cacec847d3cf1f10d8271db99e9b25e4c9edd74
[INFO] running `"docker" "start" "-a" "a81d9f765265659bfbf4fd365cacec847d3cf1f10d8271db99e9b25e4c9edd74"`
[INFO] [stderr]    Compiling readfile1-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "a81d9f765265659bfbf4fd365cacec847d3cf1f10d8271db99e9b25e4c9edd74"`
[INFO] running `"docker" "rm" "-f" "a81d9f765265659bfbf4fd365cacec847d3cf1f10d8271db99e9b25e4c9edd74"`
[INFO] [stdout] a81d9f765265659bfbf4fd365cacec847d3cf1f10d8271db99e9b25e4c9edd74
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/danmack/readfile1-rs:/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] 0dc205e6ffbfc409a3f5b0ddc903c63b2d365f2746378a99b40363b1d79e69b9
[INFO] running `"docker" "start" "-a" "0dc205e6ffbfc409a3f5b0ddc903c63b2d365f2746378a99b40363b1d79e69b9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/readfile1_rs-3a364779b467f36f
[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" "0dc205e6ffbfc409a3f5b0ddc903c63b2d365f2746378a99b40363b1d79e69b9"`
[INFO] running `"docker" "rm" "-f" "0dc205e6ffbfc409a3f5b0ddc903c63b2d365f2746378a99b40363b1d79e69b9"`
[INFO] [stdout] 0dc205e6ffbfc409a3f5b0ddc903c63b2d365f2746378a99b40363b1d79e69b9