[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/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/booyaa/read_bytes"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/booyaa/read_bytes'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/booyaa/read_bytes" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/booyaa/read_bytes"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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 master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of booyaa/read_bytes on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "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/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/booyaa/read_bytes/Cargo.toml
[INFO] crate booyaa/read_bytes has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing booyaa/read_bytes against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 906eb33a0bc0476cd7197ad5e95223c61e880037e01a7356b1ec53a17f90a902
[INFO] running `"docker" "start" "-a" "906eb33a0bc0476cd7197ad5e95223c61e880037e01a7356b1ec53a17f90a902"`
[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 error 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 1.91s
[INFO] running `"docker" "inspect" "906eb33a0bc0476cd7197ad5e95223c61e880037e01a7356b1ec53a17f90a902"`
[INFO] running `"docker" "rm" "-f" "906eb33a0bc0476cd7197ad5e95223c61e880037e01a7356b1ec53a17f90a902"`
[INFO] [stdout] 906eb33a0bc0476cd7197ad5e95223c61e880037e01a7356b1ec53a17f90a902
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] f5c708c276fac0dc771198da54d5a4c46268ff4123edbdcc3b7616b013f00612
[INFO] running `"docker" "start" "-a" "f5c708c276fac0dc771198da54d5a4c46268ff4123edbdcc3b7616b013f00612"`
[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 error 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 0.64s
[INFO] running `"docker" "inspect" "f5c708c276fac0dc771198da54d5a4c46268ff4123edbdcc3b7616b013f00612"`
[INFO] running `"docker" "rm" "-f" "f5c708c276fac0dc771198da54d5a4c46268ff4123edbdcc3b7616b013f00612"`
[INFO] [stdout] f5c708c276fac0dc771198da54d5a4c46268ff4123edbdcc3b7616b013f00612
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 720ea3e6d0267869966ed83fce95d5bcb7eab9fba5755d8329676a169e70778b
[INFO] running `"docker" "start" "-a" "720ea3e6d0267869966ed83fce95d5bcb7eab9fba5755d8329676a169e70778b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/read_bytes-4e80faf8cd59d44a
[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" "720ea3e6d0267869966ed83fce95d5bcb7eab9fba5755d8329676a169e70778b"`
[INFO] running `"docker" "rm" "-f" "720ea3e6d0267869966ed83fce95d5bcb7eab9fba5755d8329676a169e70778b"`
[INFO] [stdout] 720ea3e6d0267869966ed83fce95d5bcb7eab9fba5755d8329676a169e70778b