[INFO] crate sandboxfs 0.1.0 is already in cache
[INFO] extracting crate sandboxfs 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/sandboxfs/0.1.0
[INFO] extracting crate sandboxfs 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sandboxfs/0.1.0
[INFO] validating manifest of sandboxfs-0.1.0 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 sandboxfs-0.1.0 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 sandboxfs-0.1.0
[INFO] finished frobbing sandboxfs-0.1.0
[INFO] frobbed toml for sandboxfs-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/sandboxfs/0.1.0/Cargo.toml
[INFO] started frobbing sandboxfs-0.1.0
[INFO] finished frobbing sandboxfs-0.1.0
[INFO] frobbed toml for sandboxfs-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sandboxfs/0.1.0/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 sandboxfs-0.1.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/sandboxfs/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 7922925f7d95f360d18a32849d499f5d2d85995259f8197d567e8ea3c959b7dc
[INFO] running `"docker" "start" "-a" "7922925f7d95f360d18a32849d499f5d2d85995259f8197d567e8ea3c959b7dc"`
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling nix v0.12.1
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling sandboxfs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/nodes/dir.rs:223:50
[INFO] [stderr]     |
[INFO] [stderr] 223 |     pub fn new_empty(inode: u64, parent: Option<&Node>, now: time::Timespec) -> ArcNode {
[INFO] [stderr]     |                                                  ^^^^ help: use `dyn`: `dyn Node`
[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/nodes/mod.rs:268:26
[INFO] [stderr]     |
[INFO] [stderr] 268 | pub type ArcHandle = Arc<Handle + Send + Sync>;
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Handle + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/nodes/mod.rs:479:24
[INFO] [stderr]     |
[INFO] [stderr] 479 | pub type ArcNode = Arc<Node + Send + Sync>;
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Node + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:322:44
[INFO] [stderr]     |
[INFO] [stderr] 322 | fn apply_mapping(mapping: &Mapping, root: &nodes::Node, ids: &IdGenerator, cache: &Cache)
[INFO] [stderr]     |                                            ^^^^^^^^^^^ help: use `dyn`: `dyn nodes::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:721:13
[INFO] [stderr]     |
[INFO] [stderr] 721 |         let mut session = fuse::Session::new(fs, &mount_point, &os_options)?;
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:19:9
[INFO] [stderr]     |
[INFO] [stderr] 19  | #![warn(unused, unused_extern_crates, unused_import_braces, unused_qualifications)]
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     = note: #[warn(unused_mut)] implied by #[warn(unused)]
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.07s
[INFO] running `"docker" "inspect" "7922925f7d95f360d18a32849d499f5d2d85995259f8197d567e8ea3c959b7dc"`
[INFO] running `"docker" "rm" "-f" "7922925f7d95f360d18a32849d499f5d2d85995259f8197d567e8ea3c959b7dc"`
[INFO] [stdout] 7922925f7d95f360d18a32849d499f5d2d85995259f8197d567e8ea3c959b7dc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/sandboxfs/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0726cbcb73db23025c69567c511b2ebed82b2aceae54f5b73503b2e1506cbfac
[INFO] running `"docker" "start" "-a" "0726cbcb73db23025c69567c511b2ebed82b2aceae54f5b73503b2e1506cbfac"`
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling sandboxfs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/nodes/dir.rs:223:50
[INFO] [stderr]     |
[INFO] [stderr] 223 |     pub fn new_empty(inode: u64, parent: Option<&Node>, now: time::Timespec) -> ArcNode {
[INFO] [stderr]     |                                                  ^^^^ help: use `dyn`: `dyn Node`
[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/nodes/mod.rs:268:26
[INFO] [stderr]     |
[INFO] [stderr] 268 | pub type ArcHandle = Arc<Handle + Send + Sync>;
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Handle + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/nodes/mod.rs:479:24
[INFO] [stderr]     |
[INFO] [stderr] 479 | pub type ArcNode = Arc<Node + Send + Sync>;
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Node + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:322:44
[INFO] [stderr]     |
[INFO] [stderr] 322 | fn apply_mapping(mapping: &Mapping, root: &nodes::Node, ids: &IdGenerator, cache: &Cache)
[INFO] [stderr]     |                                            ^^^^^^^^^^^ help: use `dyn`: `dyn nodes::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:721:13
[INFO] [stderr]     |
[INFO] [stderr] 721 |         let mut session = fuse::Session::new(fs, &mount_point, &os_options)?;
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:19:9
[INFO] [stderr]     |
[INFO] [stderr] 19  | #![warn(unused, unused_extern_crates, unused_import_braces, unused_qualifications)]
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     = note: #[warn(unused_mut)] implied by #[warn(unused)]
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.83s
[INFO] running `"docker" "inspect" "0726cbcb73db23025c69567c511b2ebed82b2aceae54f5b73503b2e1506cbfac"`
[INFO] running `"docker" "rm" "-f" "0726cbcb73db23025c69567c511b2ebed82b2aceae54f5b73503b2e1506cbfac"`
[INFO] [stdout] 0726cbcb73db23025c69567c511b2ebed82b2aceae54f5b73503b2e1506cbfac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/sandboxfs/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 7ae6bfb29583ba7b63791400bafb274c118fca852b8b51efddc90ac69382d46c
[INFO] running `"docker" "start" "-a" "7ae6bfb29583ba7b63791400bafb274c118fca852b8b51efddc90ac69382d46c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sandboxfs-ed2da3b037e6c26e
[INFO] [stdout] 
[INFO] [stdout] running 38 tests
[INFO] [stdout] test nodes::conv::tests::test_flags_to_openoptions_custom ... ok
[INFO] [stdout] test concurrent::tests::test_shareable_file_clones_share_descriptor_and_only_one_owns ... ok
[INFO] [stdout] test nodes::conv::tests::test_filetype_fs_to_fuse ... ok
[INFO] [stdout] test nodes::conv::tests::test_attr_fs_to_fuse_regular ... ok
[INFO] [stdout] test nodes::conv::tests::test_attr_fs_to_fuse_directory ... ok
[INFO] [stdout] test nodes::conv::tests::test_system_time_to_timespec_ok ... ok
[INFO] [stdout] test nodes::conv::tests::test_timespec_to_timeval ... ok
[INFO] [stdout] test nodes::conv::tests::test_system_time_to_timespec_missing ... ok
[INFO] [stdout] test nodes::conv::tests::test_timeval_to_timespec ... ok
[INFO] [stdout] test reconfig::tests::test_parse_chunk_bad_json_layout ... ok
[INFO] [stdout] test reconfig::tests::test_parse_chunk_bad_mapping ... ok
[INFO] [stdout] test reconfig::tests::test_parse_chunk_syntax_error ... ok
[INFO] [stdout] test reconfig::tests::test_parse_chunk_ok ... ok
[INFO] [stdout] test reconfig::tests::test_read_chunk_empty ... ok
[INFO] [stdout] test reconfig::tests::test_read_chunk_empty_in_between_is_not_eof ... ok
[INFO] [stdout] test reconfig::tests::test_read_chunk_empty_spurious_newlines ... ok
[INFO] [stdout] test reconfig::tests::test_read_chunk_many ... ok
[INFO] [stdout] test reconfig::tests::test_read_chunk_one ... ok
[INFO] [stdout] test reconfig::tests::test_run_loop_empty ... ok
[INFO] [stdout] test reconfig::tests::test_run_loop_errors ... ok
[INFO] [stdout] test nodes::conv::tests::test_system_time_to_timespec_bad ... ok
[INFO] [stdout] test tests::cache_behavior ... ok
[INFO] [stdout] test nodes::conv::tests::test_flags_to_openoptions_wronly ... ok
[INFO] [stdout] test reconfig::tests::test_run_loop_many ... ok
[INFO] [stdout] test reconfig::tests::test_run_loop_one ... ok
[INFO] [stdout] test nodes::conv::tests::test_flags_to_openoptions_rdwr ... ok
[INFO] [stdout] test nodes::conv::tests::test_flags_to_openoptions_rdonly ... ok
[INFO] [stdout] test tests::cache_nodes_support_all_file_types ... ok
[INFO] [stdout] test tests::test_mapping_new_path_is_not_absolute ... ok
[INFO] [stdout] test tests::test_mapping_new_ok ... ok
[INFO] [stdout] test tests::flatten_causes_one ... ok
[INFO] [stdout] test tests::test_mapping_is_root ... ok
[INFO] [stdout] test tests::id_generator_ok ... ok
[INFO] [stdout] test tests::test_mapping_new_path_is_not_normalized ... ok
[INFO] [stdout] test tests::test_mapping_new_underlying_path_is_not_absolute ... ok
[INFO] [stdout] test tests::flatten_causes_multiple ... ok
[INFO] [stdout] test concurrent::tests::test_shareable_file_close_unblocks_reads_without_error ... ok
[INFO] [stdout] test tests::id_generator_exhaustion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 38 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sandboxfs-9f324502ca744e8b
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::test_parse_duration_bad_unit ... ok
[INFO] [stdout] test tests::test_parse_duration_bad_value ... ok
[INFO] [stdout] test tests::test_parse_duration_ok ... ok
[INFO] [stdout] test tests::test_program_name_uses_default_on_errors ... ok
[INFO] [stdout] test tests::test_program_name_uses_file_name_only ... ok
[INFO] [stdout] test tests::test_parse_mappings_bad_format ... ok
[INFO] [stdout] test tests::test_parse_mappings_bad_path ... ok
[INFO] [stdout] test tests::test_parse_mappings_bad_underlying_path ... ok
[INFO] [stdout] test tests::test_parse_mappings_bad_type ... ok
[INFO] [stdout] test tests::test_parse_mappings_ok ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sandboxfs
[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" "7ae6bfb29583ba7b63791400bafb274c118fca852b8b51efddc90ac69382d46c"`
[INFO] running `"docker" "rm" "-f" "7ae6bfb29583ba7b63791400bafb274c118fca852b8b51efddc90ac69382d46c"`
[INFO] [stdout] 7ae6bfb29583ba7b63791400bafb274c118fca852b8b51efddc90ac69382d46c