[INFO] updating cached repository andrewnester/rust-jsonm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/andrewnester/rust-jsonm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/andrewnester/rust-jsonm" "work/ex/beta-1.38-1/sources/1.37.0/gh/andrewnester/rust-jsonm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/andrewnester/rust-jsonm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/andrewnester/rust-jsonm" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/andrewnester/rust-jsonm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/andrewnester/rust-jsonm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 52910b8793172aff38adca07dd8c9522a82633b2
[INFO] sha for GitHub repo andrewnester/rust-jsonm: 52910b8793172aff38adca07dd8c9522a82633b2
[INFO] validating manifest of andrewnester/rust-jsonm 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 andrewnester/rust-jsonm 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 andrewnester/rust-jsonm
[INFO] finished frobbing andrewnester/rust-jsonm
[INFO] frobbed toml for andrewnester/rust-jsonm written to work/ex/beta-1.38-1/sources/1.37.0/gh/andrewnester/rust-jsonm/Cargo.toml
[INFO] started frobbing andrewnester/rust-jsonm
[INFO] finished frobbing andrewnester/rust-jsonm
[INFO] frobbed toml for andrewnester/rust-jsonm written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/andrewnester/rust-jsonm/Cargo.toml
[INFO] crate andrewnester/rust-jsonm 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/andrewnester/rust-jsonm/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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 andrewnester/rust-jsonm 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/andrewnester/rust-jsonm:/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] 3f56bfaa44799a8afbd4c38057a5b6809ac1096513cdf3ae5d42ee69ec038d54
[INFO] running `"docker" "start" "-a" "3f56bfaa44799a8afbd4c38057a5b6809ac1096513cdf3ae5d42ee69ec038d54"`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.11
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling indexmap v1.1.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling jsonm v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/packer.rs:59:32
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[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/unpacker.rs:44:32
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/packer.rs:124:24
[INFO] [stderr]     |
[INFO] [stderr] 124 |                     Ok(mut result) => result,
[INFO] [stderr]     |                        ----^^^^^^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.52s
[INFO] running `"docker" "inspect" "3f56bfaa44799a8afbd4c38057a5b6809ac1096513cdf3ae5d42ee69ec038d54"`
[INFO] running `"docker" "rm" "-f" "3f56bfaa44799a8afbd4c38057a5b6809ac1096513cdf3ae5d42ee69ec038d54"`
[INFO] [stdout] 3f56bfaa44799a8afbd4c38057a5b6809ac1096513cdf3ae5d42ee69ec038d54
[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/andrewnester/rust-jsonm:/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] 015dfe1e5d522471c3b101849223e61b60e087be9f3d4e76801004dae1e3628d
[INFO] running `"docker" "start" "-a" "015dfe1e5d522471c3b101849223e61b60e087be9f3d4e76801004dae1e3628d"`
[INFO] [stderr]    Compiling jsonm v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/packer.rs:59:32
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[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/unpacker.rs:44:32
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/packer.rs:124:24
[INFO] [stderr]     |
[INFO] [stderr] 124 |                     Ok(mut result) => result,
[INFO] [stderr]     |                        ----^^^^^^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.00s
[INFO] running `"docker" "inspect" "015dfe1e5d522471c3b101849223e61b60e087be9f3d4e76801004dae1e3628d"`
[INFO] running `"docker" "rm" "-f" "015dfe1e5d522471c3b101849223e61b60e087be9f3d4e76801004dae1e3628d"`
[INFO] [stdout] 015dfe1e5d522471c3b101849223e61b60e087be9f3d4e76801004dae1e3628d
[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/andrewnester/rust-jsonm:/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] 94cc041265298a3962f4b291d6551a051ee402bbbf95b328ebf2b1443108478e
[INFO] running `"docker" "start" "-a" "94cc041265298a3962f4b291d6551a051ee402bbbf95b328ebf2b1443108478e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/jsonm-800ae4b260b1eb11
[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/test_packer-d22b1b8d90b37462
[INFO] [stdout] 
[INFO] [stdout] running 41 tests
[INFO] [stdout] test it_copes_with_null_input_to_unpacker ... ok
[INFO] [stdout] test it_copes_with_calling_unpack_multiple_times ... ok
[INFO] [stdout] test it_copes_with_messages_in_wrong_order ... ok
[INFO] [stdout] test it_handles_small_messages_with_more_values_than_dictionary_size_2 ... ok
[INFO] [stdout] test it_errors_when_the_packer_is_reset_during_message ... ok
[INFO] [stdout] test it_handles_strings_and_ints_with_the_same_value ... ok
[INFO] [stdout] test it_has_symmetrical_pack_string_and_unpack_string_for_strings ... ok
[INFO] [stdout] test it_handles_packer_being_reset ... ok
[INFO] [stdout] test it_packs_arrays_with_minus_1_just_fine ... ok
[INFO] [stdout] test it_packs_dot_number_string_just_fine ... ok
[INFO] [stdout] test it_packs_empty_arrays_just_fine ... ok
[INFO] [stdout] test it_handles_small_messages_with_more_values_than_dictionary_size ... ok
[INFO] [stdout] test it_packs_empty_string ... ok
[INFO] [stdout] test it_packs_floats_just_fine ... ok
[INFO] [stdout] test it_packs_empty_string_inside_object ... ok
[INFO] [stdout] test it_packs_arrays_using_minus_1 ... ok
[INFO] [stdout] test it_packs_json_strings ... ok
[INFO] [stdout] test it_packs_large_integers_as_string_values ... ok
[INFO] [stdout] test it_packs_json_strings_and_can_unpack_them_as_string ... ok
[INFO] [stdout] test it_packs_multi_line_strings_as_normal_values ... ok
[INFO] [stdout] test it_packs_multi_line_strings_as_separate_values_in_string_packing_mode ... ok
[INFO] [stdout] test it_packs_multiple_empty_strings_inside_object ... ok
[INFO] [stdout] test it_packs_null ... ok
[INFO] [stdout] test it_handles_small_messages_with_more_values_than_dictionary_size_3 ... ok
[INFO] [stdout] test it_packs_nested_arrays_and_objects ... ok
[INFO] [stdout] test it_packs_multi_key_objects ... ok
[INFO] [stdout] test it_has_no_issues_going_over_a_very_small_dictionary_size ... ok
[INFO] [stdout] test it_packs_number_string_just_fine ... ok
[INFO] [stdout] test it_packs_small_integers_as_string_values ... ok
[INFO] [stdout] test it_packs_null_inside_object ... ok
[INFO] [stdout] test it_packs_tilde_strings_just_fine ... ok
[INFO] [stdout] test it_packs_true_just_fine ... ok
[INFO] [stdout] test it_packs_tilde_tilde_strings_just_fine ... ok
[INFO] [stdout] test it_packs_strings_2_level_deep ... ok
[INFO] [stdout] test it_uses_memoization_the_second_time ... ok
[INFO] [stdout] test it_packs_strings_1_level_deep ... ok
[INFO] [stdout] test it_supports_reset ... ok
[INFO] [stdout] test it_packs_with_null_and_true_and_false ... ok
[INFO] [stdout] test it_handles_large_messages_with_more_values_than_dictionary_size_that_contains_null ... ok
[INFO] [stdout] test it_handles_large_messages_with_more_values_than_dictionary_size ... ok
[INFO] [stdout] test it_has_no_issues_going_over_dictionary_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 41 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jsonm
[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" "94cc041265298a3962f4b291d6551a051ee402bbbf95b328ebf2b1443108478e"`
[INFO] running `"docker" "rm" "-f" "94cc041265298a3962f4b291d6551a051ee402bbbf95b328ebf2b1443108478e"`
[INFO] [stdout] 94cc041265298a3962f4b291d6551a051ee402bbbf95b328ebf2b1443108478e