[INFO] updating cached repository sawickiap/nice_tree
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sawickiap/nice_tree
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sawickiap/nice_tree" "work/ex/beta-1.38-1/sources/1.37.0/gh/sawickiap/nice_tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sawickiap/nice_tree'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sawickiap/nice_tree" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sawickiap/nice_tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sawickiap/nice_tree'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6ec5d40713b9fa588aa8608205b9c70fa500f6ca
[INFO] sha for GitHub repo sawickiap/nice_tree: 6ec5d40713b9fa588aa8608205b9c70fa500f6ca
[INFO] validating manifest of sawickiap/nice_tree 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 sawickiap/nice_tree 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 sawickiap/nice_tree
[INFO] finished frobbing sawickiap/nice_tree
[INFO] frobbed toml for sawickiap/nice_tree written to work/ex/beta-1.38-1/sources/1.37.0/gh/sawickiap/nice_tree/Cargo.toml
[INFO] started frobbing sawickiap/nice_tree
[INFO] finished frobbing sawickiap/nice_tree
[INFO] frobbed toml for sawickiap/nice_tree written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sawickiap/nice_tree/Cargo.toml
[INFO] crate sawickiap/nice_tree 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 sawickiap/nice_tree 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-1/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/sawickiap/nice_tree:/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] ee2a91ccf25e7963c06706db283640bd146a3b67910f3533dd63cf0d7d421395
[INFO] running `"docker" "start" "-a" "ee2a91ccf25e7963c06706db283640bd146a3b67910f3533dd63cf0d7d421395"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nice_tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:344:23
[INFO] [stderr]     |
[INFO] [stderr] 344 |         while let Some(b'0' ... b'9') = s.get(end_index) {
[INFO] [stderr]     |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:39:32
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn cause(&self) -> Option<&std::error::Error> { None }
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.38s
[INFO] running `"docker" "inspect" "ee2a91ccf25e7963c06706db283640bd146a3b67910f3533dd63cf0d7d421395"`
[INFO] running `"docker" "rm" "-f" "ee2a91ccf25e7963c06706db283640bd146a3b67910f3533dd63cf0d7d421395"`
[INFO] [stdout] ee2a91ccf25e7963c06706db283640bd146a3b67910f3533dd63cf0d7d421395
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/sawickiap/nice_tree:/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] 215787b1617cb9038f5516adc789a3a2b135e0197901ff40a444c064938e9acc
[INFO] running `"docker" "start" "-a" "215787b1617cb9038f5516adc789a3a2b135e0197901ff40a444c064938e9acc"`
[INFO] [stderr]    Compiling nice_tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:39:32
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn cause(&self) -> Option<&std::error::Error> { None }
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:344:23
[INFO] [stderr]     |
[INFO] [stderr] 344 |         while let Some(b'0' ... b'9') = s.get(end_index) {
[INFO] [stderr]     |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `"docker" "inspect" "215787b1617cb9038f5516adc789a3a2b135e0197901ff40a444c064938e9acc"`
[INFO] running `"docker" "rm" "-f" "215787b1617cb9038f5516adc789a3a2b135e0197901ff40a444c064938e9acc"`
[INFO] [stdout] 215787b1617cb9038f5516adc789a3a2b135e0197901ff40a444c064938e9acc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/sawickiap/nice_tree:/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] c5a0792555391ec728d7d54a5bca15fe56f87223076d99321c4633e29b3ae2c9
[INFO] running `"docker" "start" "-a" "c5a0792555391ec728d7d54a5bca15fe56f87223076d99321c4633e29b3ae2c9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nice_tree-d481bac198e6650a
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test parser::test::test_basics ... ok
[INFO] [stdout] test parser::test::test_failed_parsing ... ok
[INFO] [stdout] test parser::test::test_extended_syntax ... ok
[INFO] [stdout] test parser::test::test_main ... ok
[INFO] [stdout] test test::basic_test ... ok
[INFO] [stdout] test parser::test::test_to_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nice_tree-a55d25b6c43c2a74
[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] [stderr]    Doc-tests nice_tree
[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" "c5a0792555391ec728d7d54a5bca15fe56f87223076d99321c4633e29b3ae2c9"`
[INFO] running `"docker" "rm" "-f" "c5a0792555391ec728d7d54a5bca15fe56f87223076d99321c4633e29b3ae2c9"`
[INFO] [stdout] c5a0792555391ec728d7d54a5bca15fe56f87223076d99321c4633e29b3ae2c9