[INFO] cloning repository https://github.com/andrewnester/rust-jsonm
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrewnester/rust-jsonm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewnester%2Frust-jsonm"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewnester%2Frust-jsonm'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 52910b8793172aff38adca07dd8c9522a82633b2
[INFO] testing andrewnester/rust-jsonm against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewnester%2Frust-jsonm" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrewnester/rust-jsonm on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/andrewnester/rust-jsonm
[INFO] finished tweaking git repo https://github.com/andrewnester/rust-jsonm
[INFO] tweaked toml for git repo https://github.com/andrewnester/rust-jsonm written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/andrewnester/rust-jsonm already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 30df015e8b24f94cd73503c45dcd8664b8a1da917cc9e40262fdad804f0e6c3a
[INFO] running `"docker" "start" "-a" "30df015e8b24f94cd73503c45dcd8664b8a1da917cc9e40262fdad804f0e6c3a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling jsonm v0.1.4 (/opt/rustwide/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] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.09s
[INFO] running `"docker" "inspect" "30df015e8b24f94cd73503c45dcd8664b8a1da917cc9e40262fdad804f0e6c3a"`
[INFO] running `"docker" "rm" "-f" "30df015e8b24f94cd73503c45dcd8664b8a1da917cc9e40262fdad804f0e6c3a"`
[INFO] [stdout] 30df015e8b24f94cd73503c45dcd8664b8a1da917cc9e40262fdad804f0e6c3a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0dcf436f1a3113f3b6281d28300947d8d7772487116dbca98b6c322644a1d755
[INFO] running `"docker" "start" "-a" "0dcf436f1a3113f3b6281d28300947d8d7772487116dbca98b6c322644a1d755"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling jsonm v0.1.4 (/opt/rustwide/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] warning: 3 warnings emitted
[INFO] [stderr] 
[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] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.32s
[INFO] running `"docker" "inspect" "0dcf436f1a3113f3b6281d28300947d8d7772487116dbca98b6c322644a1d755"`
[INFO] running `"docker" "rm" "-f" "0dcf436f1a3113f3b6281d28300947d8d7772487116dbca98b6c322644a1d755"`
[INFO] [stdout] 0dcf436f1a3113f3b6281d28300947d8d7772487116dbca98b6c322644a1d755
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1dd43d38eff0b46ed43236c4531486d3647f45c41b2af9118848b5f2da64e085
[INFO] running `"docker" "start" "-a" "1dd43d38eff0b46ed43236c4531486d3647f45c41b2af9118848b5f2da64e085"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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] warning: 3 warnings emitted
[INFO] [stderr] 
[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] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/jsonm-ed70f0c5809deb5e
[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/rustwide/target/debug/deps/test_packer-aab954cc428fc831
[INFO] [stdout] 
[INFO] [stdout] running 41 tests
[INFO] [stdout] test it_copes_with_null_input_to_unpacker ... ok
[INFO] [stdout] test it_packs_arrays_using_minus_1 ... ok
[INFO] [stdout] test it_copes_with_calling_unpack_multiple_times ... ok
[INFO] [stdout] test it_packs_arrays_with_minus_1_just_fine ... ok
[INFO] [stdout] test it_packs_empty_arrays_just_fine ... ok
[INFO] [stdout] test it_has_symmetrical_pack_string_and_unpack_string_for_strings ... ok
[INFO] [stdout] test it_packs_dot_number_string_just_fine ... ok
[INFO] [stdout] test it_packs_empty_string_inside_object ... ok
[INFO] [stdout] test it_copes_with_messages_in_wrong_order ... ok
[INFO] [stdout] test it_packs_floats_just_fine ... ok
[INFO] [stdout] test it_handles_small_messages_with_more_values_than_dictionary_size_2 ... ok
[INFO] [stdout] test it_packs_empty_string ... 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_packs_large_integers_as_string_values ... ok
[INFO] [stdout] test it_packs_json_strings ... ok
[INFO] [stdout] test it_packs_multi_line_strings_as_separate_values_in_string_packing_mode ... ok
[INFO] [stdout] test it_packs_multi_line_strings_as_normal_values ... ok
[INFO] [stdout] test it_packs_null ... ok
[INFO] [stdout] test it_packs_number_string_just_fine ... ok
[INFO] [stdout] test it_packs_json_strings_and_can_unpack_them_as_string ... ok
[INFO] [stdout] test it_packs_nested_arrays_and_objects ... ok
[INFO] [stdout] test it_packs_null_inside_object ... ok
[INFO] [stdout] test it_packs_small_integers_as_string_values ... ok
[INFO] [stdout] test it_packs_true_just_fine ... ok
[INFO] [stdout] test it_packs_multiple_empty_strings_inside_object ... ok
[INFO] [stdout] test it_packs_tilde_strings_just_fine ... ok
[INFO] [stdout] test it_handles_small_messages_with_more_values_than_dictionary_size ... ok
[INFO] [stdout] test it_packs_strings_1_level_deep ... 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_packs_multi_key_objects ... ok
[INFO] [stdout] test it_uses_memoization_the_second_time ... ok
[INFO] [stdout] test it_has_no_issues_going_over_a_very_small_dictionary_size ... 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_small_messages_with_more_values_than_dictionary_size_3 ... ok
[INFO] [stdout] test it_handles_packer_being_reset ... 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" "1dd43d38eff0b46ed43236c4531486d3647f45c41b2af9118848b5f2da64e085"`
[INFO] running `"docker" "rm" "-f" "1dd43d38eff0b46ed43236c4531486d3647f45c41b2af9118848b5f2da64e085"`
[INFO] [stdout] 1dd43d38eff0b46ed43236c4531486d3647f45c41b2af9118848b5f2da64e085