[INFO] updating cached repository avranju/rust-errors
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/avranju/rust-errors
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/avranju/rust-errors" "work/ex/beta-1.38-1/sources/1.37.0/gh/avranju/rust-errors"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/avranju/rust-errors'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/avranju/rust-errors" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/avranju/rust-errors"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/avranju/rust-errors'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2948ac9c4bcf06b74cb73b014a60ef749a1d6039
[INFO] sha for GitHub repo avranju/rust-errors: 2948ac9c4bcf06b74cb73b014a60ef749a1d6039
[INFO] validating manifest of avranju/rust-errors 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 avranju/rust-errors 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 avranju/rust-errors
[INFO] finished frobbing avranju/rust-errors
[INFO] frobbed toml for avranju/rust-errors written to work/ex/beta-1.38-1/sources/1.37.0/gh/avranju/rust-errors/Cargo.toml
[INFO] started frobbing avranju/rust-errors
[INFO] finished frobbing avranju/rust-errors
[INFO] frobbed toml for avranju/rust-errors written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/avranju/rust-errors/Cargo.toml
[INFO] crate avranju/rust-errors 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 avranju/rust-errors 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-6/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/avranju/rust-errors:/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] 8446aaa5cebbb046283c8ad006713543dd6cb9480c03f69a04ffaa679c26c6c3
[INFO] running `"docker" "start" "-a" "8446aaa5cebbb046283c8ad006713543dd6cb9480c03f69a04ffaa679c26c6c3"`
[INFO] [stderr]    Compiling syn v0.15.35
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling clicolors-control v1.0.0
[INFO] [stderr]    Compiling console v0.7.5
[INFO] [stderr]    Compiling structopt-derive v0.2.16
[INFO] [stderr]    Compiling structopt v0.2.16
[INFO] [stderr]    Compiling rust-errors v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.55s
[INFO] running `"docker" "inspect" "8446aaa5cebbb046283c8ad006713543dd6cb9480c03f69a04ffaa679c26c6c3"`
[INFO] running `"docker" "rm" "-f" "8446aaa5cebbb046283c8ad006713543dd6cb9480c03f69a04ffaa679c26c6c3"`
[INFO] [stdout] 8446aaa5cebbb046283c8ad006713543dd6cb9480c03f69a04ffaa679c26c6c3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/avranju/rust-errors:/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] cac1c78c2742f04ac8b2c6db6298f88811e29be1d8986f04acd3273ba66cfa8b
[INFO] running `"docker" "start" "-a" "cac1c78c2742f04ac8b2c6db6298f88811e29be1d8986f04acd3273ba66cfa8b"`
[INFO] [stderr]    Compiling rust-errors v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `"docker" "inspect" "cac1c78c2742f04ac8b2c6db6298f88811e29be1d8986f04acd3273ba66cfa8b"`
[INFO] running `"docker" "rm" "-f" "cac1c78c2742f04ac8b2c6db6298f88811e29be1d8986f04acd3273ba66cfa8b"`
[INFO] [stdout] cac1c78c2742f04ac8b2c6db6298f88811e29be1d8986f04acd3273ba66cfa8b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/avranju/rust-errors:/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] 3322f90195a0e79c081ba1f487fe442403aac6392d492402779fd8e08687814c
[INFO] running `"docker" "start" "-a" "3322f90195a0e79c081ba1f487fe442403aac6392d492402779fd8e08687814c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_errors-5325b36b579fb095
[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" "3322f90195a0e79c081ba1f487fe442403aac6392d492402779fd8e08687814c"`
[INFO] running `"docker" "rm" "-f" "3322f90195a0e79c081ba1f487fe442403aac6392d492402779fd8e08687814c"`
[INFO] [stdout] 3322f90195a0e79c081ba1f487fe442403aac6392d492402779fd8e08687814c