[INFO] crate jwalk 0.4.0 is already in cache [INFO] extracting crate jwalk 0.4.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/jwalk/0.4.0 [INFO] extracting crate jwalk 0.4.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/jwalk/0.4.0 [INFO] validating manifest of jwalk-0.4.0 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 jwalk-0.4.0 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 jwalk-0.4.0 [INFO] finished frobbing jwalk-0.4.0 [INFO] frobbed toml for jwalk-0.4.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/jwalk/0.4.0/Cargo.toml [INFO] started frobbing jwalk-0.4.0 [INFO] finished frobbing jwalk-0.4.0 [INFO] frobbed toml for jwalk-0.4.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/jwalk/0.4.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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 jwalk-0.4.0 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/reg/jwalk/0.4.0:/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-2019-08-13" "build" "--frozen"` [INFO] [stdout] f0d163d1695a38bae3f43c1f3c15ee07500accaed34579bd1ea2d377f4cc1381 [INFO] running `"docker" "start" "-a" "f0d163d1695a38bae3f43c1f3c15ee07500accaed34579bd1ea2d377f4cc1381"` [INFO] [stderr] Compiling jwalk v0.4.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/core/read_dir.rs:34:27 [INFO] [stderr] | [INFO] [stderr] 34 | pub state: Option>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + Sync` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/core/read_dir.rs:71:27 [INFO] [stderr] | [INFO] [stderr] 71 | state: Option>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + Sync` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/core/mod.rs:61:5 [INFO] [stderr] | [INFO] [stderr] 61 | Fn(Arc) -> Result + Send + Sync + 'static; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Arc) -> Result + Send + Sync + 'static` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:44:31 [INFO] [stderr] | [INFO] [stderr] 44 | type ProcessEntriesFunction = Fn(&mut Vec>) + Send + Sync + 'static; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec>) + Send + Sync + 'static` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.60s [INFO] running `"docker" "inspect" "f0d163d1695a38bae3f43c1f3c15ee07500accaed34579bd1ea2d377f4cc1381"` [INFO] running `"docker" "rm" "-f" "f0d163d1695a38bae3f43c1f3c15ee07500accaed34579bd1ea2d377f4cc1381"` [INFO] [stdout] f0d163d1695a38bae3f43c1f3c15ee07500accaed34579bd1ea2d377f4cc1381 [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/reg/jwalk/0.4.0:/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-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 6eb8dc91d8e2436b08d7db07026015d0441024747d0dd30a3e200e1f43e5ac1c [INFO] running `"docker" "start" "-a" "6eb8dc91d8e2436b08d7db07026015d0441024747d0dd30a3e200e1f43e5ac1c"` [INFO] [stderr] Compiling globset v0.4.4 [INFO] [stderr] Compiling ignore v0.4.10 [INFO] [stderr] Compiling jwalk v0.4.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/core/read_dir.rs:34:27 [INFO] [stderr] | [INFO] [stderr] 34 | pub state: Option>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + Sync` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/core/read_dir.rs:71:27 [INFO] [stderr] | [INFO] [stderr] 71 | state: Option>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + Sync` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/core/mod.rs:61:5 [INFO] [stderr] | [INFO] [stderr] 61 | Fn(Arc) -> Result + Send + Sync + 'static; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Arc) -> Result + Send + Sync + 'static` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:44:31 [INFO] [stderr] | [INFO] [stderr] 44 | type ProcessEntriesFunction = Fn(&mut Vec>) + Send + Sync + 'static; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec>) + Send + Sync + 'static` [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> tests/mod.rs:153:5 [INFO] [stderr] | [INFO] [stderr] 153 | iter.next().unwrap().is_ok(); // " (0)", [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> tests/mod.rs:158:5 [INFO] [stderr] | [INFO] [stderr] 158 | iter.next().unwrap().is_ok(); // "a.txt (1)", [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> tests/mod.rs:159:5 [INFO] [stderr] | [INFO] [stderr] 159 | iter.next().unwrap().is_ok(); // "b.txt (1)", [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> tests/mod.rs:160:5 [INFO] [stderr] | [INFO] [stderr] 160 | iter.next().unwrap().is_ok(); // "c.txt (1)", [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> tests/mod.rs:161:5 [INFO] [stderr] | [INFO] [stderr] 161 | iter.next().unwrap().is_ok(); // "group 1 (1)", [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> tests/mod.rs:162:5 [INFO] [stderr] | [INFO] [stderr] 162 | iter.next().unwrap().is_ok(); // "group 1/d.txt (2)", [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::option::Option::::is_some` that must be used [INFO] [stderr] --> tests/mod.rs:169:5 [INFO] [stderr] | [INFO] [stderr] 169 | group_2.content_error.is_some(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this has a value, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.18s [INFO] running `"docker" "inspect" "6eb8dc91d8e2436b08d7db07026015d0441024747d0dd30a3e200e1f43e5ac1c"` [INFO] running `"docker" "rm" "-f" "6eb8dc91d8e2436b08d7db07026015d0441024747d0dd30a3e200e1f43e5ac1c"` [INFO] [stdout] 6eb8dc91d8e2436b08d7db07026015d0441024747d0dd30a3e200e1f43e5ac1c [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/reg/jwalk/0.4.0:/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-2019-08-13" "test" "--frozen"` [INFO] [stdout] e65bc18f88ca3bdf484907bb0dfaae54fc9c0649f8856b950ed54bfa1a17d9e4 [INFO] running `"docker" "start" "-a" "e65bc18f88ca3bdf484907bb0dfaae54fc9c0649f8856b950ed54bfa1a17d9e4"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running /opt/crater/target/debug/deps/jwalk-4cbe4ccb2ee18631 [INFO] [stderr] Running /opt/crater/target/debug/deps/mod-1719db8109d96788 [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] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test error_when_path_removed_durring_iteration ... ok [INFO] [stdout] test sort_by_name_single_thread ... ok [INFO] [stdout] test max_depth_1 ... ok [INFO] [stdout] test max_depth_0 ... ok [INFO] [stdout] test error_when_path_does_not_exist ... ok [INFO] [stdout] test sort_by_name_rayon_pool_global ... ok [INFO] [stdout] test see_hidden_files ... ok [INFO] [stdout] test walk_root ... ok [INFO] [stdout] test walk ... ok [INFO] [stdout] test sort_by_name_rayon_pool_2_threads ... ok [INFO] [stdout] test walk_file ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests jwalk [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 13) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "e65bc18f88ca3bdf484907bb0dfaae54fc9c0649f8856b950ed54bfa1a17d9e4"` [INFO] running `"docker" "rm" "-f" "e65bc18f88ca3bdf484907bb0dfaae54fc9c0649f8856b950ed54bfa1a17d9e4"` [INFO] [stdout] e65bc18f88ca3bdf484907bb0dfaae54fc9c0649f8856b950ed54bfa1a17d9e4