[INFO] updating cached repository JDepooter/nummer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/JDepooter/nummer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/JDepooter/nummer" "work/ex/beta-1.38-1/sources/1.37.0/gh/JDepooter/nummer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/JDepooter/nummer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JDepooter/nummer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JDepooter/nummer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JDepooter/nummer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5713ce9ca8262b30e1918851bbf048348b211cb6
[INFO] sha for GitHub repo JDepooter/nummer: 5713ce9ca8262b30e1918851bbf048348b211cb6
[INFO] validating manifest of JDepooter/nummer 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 JDepooter/nummer 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 JDepooter/nummer
[INFO] finished frobbing JDepooter/nummer
[INFO] frobbed toml for JDepooter/nummer written to work/ex/beta-1.38-1/sources/1.37.0/gh/JDepooter/nummer/Cargo.toml
[INFO] started frobbing JDepooter/nummer
[INFO] finished frobbing JDepooter/nummer
[INFO] frobbed toml for JDepooter/nummer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JDepooter/nummer/Cargo.toml
[INFO] crate JDepooter/nummer 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 JDepooter/nummer 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-0/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/JDepooter/nummer:/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] 0af87bf8a6b97c16e6ccd8be18781a3742f5dfbc32b3c3cebe8b1aac8df9da91
[INFO] running `"docker" "start" "-a" "0af87bf8a6b97c16e6ccd8be18781a3742f5dfbc32b3c3cebe8b1aac8df9da91"`
[INFO] [stderr]    Compiling nummer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/printer.rs:23:36
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn print_single_value(reader: &mut Read, dt: DataType) -> std::io::Result<()> {
[INFO] [stderr]    |                                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `"docker" "inspect" "0af87bf8a6b97c16e6ccd8be18781a3742f5dfbc32b3c3cebe8b1aac8df9da91"`
[INFO] running `"docker" "rm" "-f" "0af87bf8a6b97c16e6ccd8be18781a3742f5dfbc32b3c3cebe8b1aac8df9da91"`
[INFO] [stdout] 0af87bf8a6b97c16e6ccd8be18781a3742f5dfbc32b3c3cebe8b1aac8df9da91
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/JDepooter/nummer:/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] 82e2e293689c8484cf27613396368b522c4e69e31ca514227994cc392b8960b0
[INFO] running `"docker" "start" "-a" "82e2e293689c8484cf27613396368b522c4e69e31ca514227994cc392b8960b0"`
[INFO] [stderr]    Compiling nummer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/printer.rs:23:36
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn print_single_value(reader: &mut Read, dt: DataType) -> std::io::Result<()> {
[INFO] [stderr]    |                                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "82e2e293689c8484cf27613396368b522c4e69e31ca514227994cc392b8960b0"`
[INFO] running `"docker" "rm" "-f" "82e2e293689c8484cf27613396368b522c4e69e31ca514227994cc392b8960b0"`
[INFO] [stdout] 82e2e293689c8484cf27613396368b522c4e69e31ca514227994cc392b8960b0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/JDepooter/nummer:/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] 8dabd3bcea82de92263f82e12df06b6bbe112ea3b84f29fccd2215c7633253c2
[INFO] running `"docker" "start" "-a" "8dabd3bcea82de92263f82e12df06b6bbe112ea3b84f29fccd2215c7633253c2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nummer-cfa7643fff3f39d8
[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" "8dabd3bcea82de92263f82e12df06b6bbe112ea3b84f29fccd2215c7633253c2"`
[INFO] running `"docker" "rm" "-f" "8dabd3bcea82de92263f82e12df06b6bbe112ea3b84f29fccd2215c7633253c2"`
[INFO] [stdout] 8dabd3bcea82de92263f82e12df06b6bbe112ea3b84f29fccd2215c7633253c2