[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-1.37-6/sources/1.36.0/gh/avranju/rust-errors"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/avranju/rust-errors'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/avranju/rust-errors" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/avranju/rust-errors"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of avranju/rust-errors 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 avranju/rust-errors
[INFO] finished frobbing avranju/rust-errors
[INFO] frobbed toml for avranju/rust-errors written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing avranju/rust-errors against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 41b97b4f9bf3f02b383f4668c1b24577fe5f7b79eea1abcad620ae3ab9f1460c
[INFO] running `"docker" "start" "-a" "41b97b4f9bf3f02b383f4668c1b24577fe5f7b79eea1abcad620ae3ab9f1460c"`
[INFO] [stderr]    Compiling syn v0.15.35
[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 17.30s
[INFO] running `"docker" "inspect" "41b97b4f9bf3f02b383f4668c1b24577fe5f7b79eea1abcad620ae3ab9f1460c"`
[INFO] running `"docker" "rm" "-f" "41b97b4f9bf3f02b383f4668c1b24577fe5f7b79eea1abcad620ae3ab9f1460c"`
[INFO] [stdout] 41b97b4f9bf3f02b383f4668c1b24577fe5f7b79eea1abcad620ae3ab9f1460c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 53de214dd13abddbba9ddcdb70f7660841caf506a4b325100046ad340e97874c
[INFO] running `"docker" "start" "-a" "53de214dd13abddbba9ddcdb70f7660841caf506a4b325100046ad340e97874c"`
[INFO] [stderr]    Compiling rust-errors v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "53de214dd13abddbba9ddcdb70f7660841caf506a4b325100046ad340e97874c"`
[INFO] running `"docker" "rm" "-f" "53de214dd13abddbba9ddcdb70f7660841caf506a4b325100046ad340e97874c"`
[INFO] [stdout] 53de214dd13abddbba9ddcdb70f7660841caf506a4b325100046ad340e97874c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 39309e88463998428b99ed06684af56bae9158b07abd6d9f1be4663ebe6031f7
[INFO] running `"docker" "start" "-a" "39309e88463998428b99ed06684af56bae9158b07abd6d9f1be4663ebe6031f7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_errors-72c1f211d9009d53
[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" "39309e88463998428b99ed06684af56bae9158b07abd6d9f1be4663ebe6031f7"`
[INFO] running `"docker" "rm" "-f" "39309e88463998428b99ed06684af56bae9158b07abd6d9f1be4663ebe6031f7"`
[INFO] [stdout] 39309e88463998428b99ed06684af56bae9158b07abd6d9f1be4663ebe6031f7