[INFO] crate dtree 0.1.0 is already in cache
[INFO] extracting crate dtree 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/dtree/0.1.0
[INFO] extracting crate dtree 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/dtree/0.1.0
[INFO] validating manifest of dtree-0.1.0 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 dtree-0.1.0 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 dtree-0.1.0
[INFO] finished frobbing dtree-0.1.0
[INFO] frobbed toml for dtree-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/dtree/0.1.0/Cargo.toml
[INFO] started frobbing dtree-0.1.0
[INFO] finished frobbing dtree-0.1.0
[INFO] frobbed toml for dtree-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/dtree/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 dtree-0.1.0 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/reg/dtree/0.1.0:/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] d6144fa8ff1f7cea1531785d970fce51c4242657024813ced3c019c15e7e568b
[INFO] running `"docker" "start" "-a" "d6144fa8ff1f7cea1531785d970fce51c4242657024813ced3c019c15e7e568b"`
[INFO] [stderr]    Compiling dtree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/parser.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |         if (!c.is_alphabetic() && !c.is_numeric() && c != '_' && c != '-') {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:250:54
[INFO] [stderr]     |
[INFO] [stderr] 250 | pub fn parse_dtree (input: &str) -> Result<Tree, Box<Debug>> {
[INFO] [stderr]     |                                                      ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `"docker" "inspect" "d6144fa8ff1f7cea1531785d970fce51c4242657024813ced3c019c15e7e568b"`
[INFO] running `"docker" "rm" "-f" "d6144fa8ff1f7cea1531785d970fce51c4242657024813ced3c019c15e7e568b"`
[INFO] [stdout] d6144fa8ff1f7cea1531785d970fce51c4242657024813ced3c019c15e7e568b
[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/reg/dtree/0.1.0:/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] b01850c446ebe611626f0efa846fadc0de99eba910853687325c68990e2cba2f
[INFO] running `"docker" "start" "-a" "b01850c446ebe611626f0efa846fadc0de99eba910853687325c68990e2cba2f"`
[INFO] [stderr]    Compiling dtree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/parser.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |         if (!c.is_alphabetic() && !c.is_numeric() && c != '_' && c != '-') {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:250:54
[INFO] [stderr]     |
[INFO] [stderr] 250 | pub fn parse_dtree (input: &str) -> Result<Tree, Box<Debug>> {
[INFO] [stderr]     |                                                      ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `"docker" "inspect" "b01850c446ebe611626f0efa846fadc0de99eba910853687325c68990e2cba2f"`
[INFO] running `"docker" "rm" "-f" "b01850c446ebe611626f0efa846fadc0de99eba910853687325c68990e2cba2f"`
[INFO] [stdout] b01850c446ebe611626f0efa846fadc0de99eba910853687325c68990e2cba2f
[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/reg/dtree/0.1.0:/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] 91c7fc7346f5b2a4a896d6f010b9ad0e54889432a6f20123db288978f1ddad72
[INFO] running `"docker" "start" "-a" "91c7fc7346f5b2a4a896d6f010b9ad0e54889432a6f20123db288978f1ddad72"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dtree-6a8bb1f51177caf0
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test parser::section_test ... ok
[INFO] [stdout] test parser::parse_identifier_test ... ok
[INFO] [stdout] test parser::parse_desc_test ... ok
[INFO] [stdout] test parser::mapping_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 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/dtree-712c113a962d8923
[INFO] [stderr]    Doc-tests dtree
[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" "91c7fc7346f5b2a4a896d6f010b9ad0e54889432a6f20123db288978f1ddad72"`
[INFO] running `"docker" "rm" "-f" "91c7fc7346f5b2a4a896d6f010b9ad0e54889432a6f20123db288978f1ddad72"`
[INFO] [stdout] 91c7fc7346f5b2a4a896d6f010b9ad0e54889432a6f20123db288978f1ddad72