[INFO] updating cached repository booyaa/read_bytes
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/booyaa/read_bytes
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/booyaa/read_bytes" "work/ex/beta-1.37-6/sources/1.36.0/gh/booyaa/read_bytes"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/booyaa/read_bytes'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/booyaa/read_bytes" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/booyaa/read_bytes"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/booyaa/read_bytes'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b5a2ef7969111d3a614c607b2758d8b3f265bdba
[INFO] sha for GitHub repo booyaa/read_bytes: b5a2ef7969111d3a614c607b2758d8b3f265bdba
[INFO] validating manifest of booyaa/read_bytes 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 booyaa/read_bytes 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 booyaa/read_bytes
[INFO] finished frobbing booyaa/read_bytes
[INFO] frobbed toml for booyaa/read_bytes written to work/ex/beta-1.37-6/sources/1.36.0/gh/booyaa/read_bytes/Cargo.toml
[INFO] started frobbing booyaa/read_bytes
[INFO] finished frobbing booyaa/read_bytes
[INFO] frobbed toml for booyaa/read_bytes written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/booyaa/read_bytes/Cargo.toml
[INFO] crate booyaa/read_bytes 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] [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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing booyaa/read_bytes 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-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/booyaa/read_bytes:/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] 39e47a1f145db3839e9d7f5f2752ba057d6c4d191f870e25b03ba80f12b9160b
[INFO] running `"docker" "start" "-a" "39e47a1f145db3839e9d7f5f2752ba057d6c4d191f870e25b03ba80f12b9160b"`
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling rustc-demangle v0.1.5
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling read_bytes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / error_chain! {
[INFO] [stderr] 9  | |     foreign_links {
[INFO] [stderr] 10 | |         Io(std::io::Error);
[INFO] [stderr] 11 | |     }
[INFO] [stderr] 12 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.12s
[INFO] running `"docker" "inspect" "39e47a1f145db3839e9d7f5f2752ba057d6c4d191f870e25b03ba80f12b9160b"`
[INFO] running `"docker" "rm" "-f" "39e47a1f145db3839e9d7f5f2752ba057d6c4d191f870e25b03ba80f12b9160b"`
[INFO] [stdout] 39e47a1f145db3839e9d7f5f2752ba057d6c4d191f870e25b03ba80f12b9160b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/booyaa/read_bytes:/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] 16df9f4e7be9e50d3b2658b5ae3351bdfc9cec34c8c3ee4a61468aabb42ec6f4
[INFO] running `"docker" "start" "-a" "16df9f4e7be9e50d3b2658b5ae3351bdfc9cec34c8c3ee4a61468aabb42ec6f4"`
[INFO] [stderr]    Compiling read_bytes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / error_chain! {
[INFO] [stderr] 9  | |     foreign_links {
[INFO] [stderr] 10 | |         Io(std::io::Error);
[INFO] [stderr] 11 | |     }
[INFO] [stderr] 12 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "16df9f4e7be9e50d3b2658b5ae3351bdfc9cec34c8c3ee4a61468aabb42ec6f4"`
[INFO] running `"docker" "rm" "-f" "16df9f4e7be9e50d3b2658b5ae3351bdfc9cec34c8c3ee4a61468aabb42ec6f4"`
[INFO] [stdout] 16df9f4e7be9e50d3b2658b5ae3351bdfc9cec34c8c3ee4a61468aabb42ec6f4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/booyaa/read_bytes:/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] f1b12b2cf962877d2f839e9871bdf7e8918410a2705ac56f3cd691955948c3b9
[INFO] running `"docker" "start" "-a" "f1b12b2cf962877d2f839e9871bdf7e8918410a2705ac56f3cd691955948c3b9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/read_bytes-016fe183a1a91cf9
[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" "f1b12b2cf962877d2f839e9871bdf7e8918410a2705ac56f3cd691955948c3b9"`
[INFO] running `"docker" "rm" "-f" "f1b12b2cf962877d2f839e9871bdf7e8918410a2705ac56f3cd691955948c3b9"`
[INFO] [stdout] f1b12b2cf962877d2f839e9871bdf7e8918410a2705ac56f3cd691955948c3b9