[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-1.37-6/sources/1.36.0/gh/sawickiap/nice_tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/sawickiap/nice_tree'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sawickiap/nice_tree" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sawickiap/nice_tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sawickiap/nice_tree 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 sawickiap/nice_tree
[INFO] finished frobbing sawickiap/nice_tree
[INFO] frobbed toml for sawickiap/nice_tree written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "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 sawickiap/nice_tree against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] dda31c448dac0401604f9e006ce8ffa8f4e7dc925e2a51f5b831096f32f386a3
[INFO] running `"docker" "start" "-a" "dda31c448dac0401604f9e006ce8ffa8f4e7dc925e2a51f5b831096f32f386a3"`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling nice_tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.00s
[INFO] running `"docker" "inspect" "dda31c448dac0401604f9e006ce8ffa8f4e7dc925e2a51f5b831096f32f386a3"`
[INFO] running `"docker" "rm" "-f" "dda31c448dac0401604f9e006ce8ffa8f4e7dc925e2a51f5b831096f32f386a3"`
[INFO] [stdout] dda31c448dac0401604f9e006ce8ffa8f4e7dc925e2a51f5b831096f32f386a3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2d78b49d98ea23b368fe37c513a206ddabd2487b25370a0929188d03fd3c0ba9
[INFO] running `"docker" "start" "-a" "2d78b49d98ea23b368fe37c513a206ddabd2487b25370a0929188d03fd3c0ba9"`
[INFO] [stderr]    Compiling nice_tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `"docker" "inspect" "2d78b49d98ea23b368fe37c513a206ddabd2487b25370a0929188d03fd3c0ba9"`
[INFO] running `"docker" "rm" "-f" "2d78b49d98ea23b368fe37c513a206ddabd2487b25370a0929188d03fd3c0ba9"`
[INFO] [stdout] 2d78b49d98ea23b368fe37c513a206ddabd2487b25370a0929188d03fd3c0ba9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 0a2dc242310399e107910076cbac2249415c648bf0e399f22a57d62c058fc458
[INFO] running `"docker" "start" "-a" "0a2dc242310399e107910076cbac2249415c648bf0e399f22a57d62c058fc458"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nice_tree-aa84b36ea37798f6
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test parser::test::test_basics ... ok
[INFO] [stdout] test parser::test::test_extended_syntax ... ok
[INFO] [stdout] test parser::test::test_failed_parsing ... ok
[INFO] [stdout] test parser::test::test_main ... ok
[INFO] [stdout] test parser::test::test_to_string ... ok
[INFO] [stdout] test test::basic_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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]      Running /opt/crater/target/debug/deps/nice_tree-4e0c0c502ad4a183
[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" "0a2dc242310399e107910076cbac2249415c648bf0e399f22a57d62c058fc458"`
[INFO] running `"docker" "rm" "-f" "0a2dc242310399e107910076cbac2249415c648bf0e399f22a57d62c058fc458"`
[INFO] [stdout] 0a2dc242310399e107910076cbac2249415c648bf0e399f22a57d62c058fc458