[INFO] fetching crate minifier 0.0.36...
[INFO] testing minifier-0.0.36 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate minifier 0.0.36 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate minifier 0.0.36 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate minifier 0.0.36
[INFO] finished tweaking crates.io crate minifier 0.0.36
[INFO] tweaked toml for crates.io crate minifier 0.0.36 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate minifier 0.0.36 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded macro-utils v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 351c7f37d403e29b9b86087ffd502925bf949c94f67161f21a867cc357a0e30c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "351c7f37d403e29b9b86087ffd502925bf949c94f67161f21a867cc357a0e30c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "351c7f37d403e29b9b86087ffd502925bf949c94f67161f21a867cc357a0e30c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "351c7f37d403e29b9b86087ffd502925bf949c94f67161f21a867cc357a0e30c", kill_on_drop: false }`
[INFO] [stdout] 351c7f37d403e29b9b86087ffd502925bf949c94f67161f21a867cc357a0e30c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8eeb72db9b5b449fceebabd7a975945b94584f079d04201e01a7910a3dbb3921
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8eeb72db9b5b449fceebabd7a975945b94584f079d04201e01a7910a3dbb3921", kill_on_drop: false }`
[INFO] [stderr]    Compiling macro-utils v0.1.3
[INFO] [stderr]    Compiling minifier v0.0.36 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/json/read/byte_to_char.rs:117:41
[INFO] [stdout]     |
[INFO] [stdout] 117 |             CharsError::Other(ref e) => Error::description(e),
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.48s
[INFO] running `Command { std: "docker" "inspect" "8eeb72db9b5b449fceebabd7a975945b94584f079d04201e01a7910a3dbb3921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eeb72db9b5b449fceebabd7a975945b94584f079d04201e01a7910a3dbb3921", kill_on_drop: false }`
[INFO] [stdout] 8eeb72db9b5b449fceebabd7a975945b94584f079d04201e01a7910a3dbb3921
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d9d1be3d1df87e9ad6156ac19886469d93dcc70c5813ae8b253d6de51379d28
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7d9d1be3d1df87e9ad6156ac19886469d93dcc70c5813ae8b253d6de51379d28", kill_on_drop: false }`
[INFO] [stderr]    Compiling minifier v0.0.36 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/json/read/byte_to_char.rs:117:41
[INFO] [stdout]     |
[INFO] [stdout] 117 |             CharsError::Other(ref e) => Error::description(e),
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/json/read/byte_to_char.rs:117:41
[INFO] [stdout]     |
[INFO] [stdout] 117 |             CharsError::Other(ref e) => Error::description(e),
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.72s
[INFO] running `Command { std: "docker" "inspect" "7d9d1be3d1df87e9ad6156ac19886469d93dcc70c5813ae8b253d6de51379d28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d9d1be3d1df87e9ad6156ac19886469d93dcc70c5813ae8b253d6de51379d28", kill_on_drop: false }`
[INFO] [stdout] 7d9d1be3d1df87e9ad6156ac19886469d93dcc70c5813ae8b253d6de51379d28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e3c573a88c0a57a0f19d6c2a1293ecc8e464dbb6503c499df50cc3e5bb49be99
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e3c573a88c0a57a0f19d6c2a1293ecc8e464dbb6503c499df50cc3e5bb49be99", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/json/read/byte_to_char.rs:117:41
[INFO] [stderr]     |
[INFO] [stderr] 117 |             CharsError::Other(ref e) => Error::description(e),
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/json/read/byte_to_char.rs:117:41
[INFO] [stderr]     |
[INFO] [stderr] 117 |             CharsError::Other(ref e) => Error::description(e),
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/minifier-b546ccf6e7d293cb
[INFO] [stdout] 
[INFO] [stdout] running 52 tests
[INFO] [stdout] test css::css::check_space_after_and ... ok
[INFO] [stdout] test css::css::check_minification ... ok
[INFO] [stdout] test css::css::check_spaces ... ok
[INFO] [stdout] test css::css::check_space_after_brackets ... ok
[INFO] [stdout] test css::css::check_calc ... ok
[INFO] [stdout] test css::css::check_whitespaces_in_calc ... ok
[INFO] [stdout] test css::token::check_calc ... ok
[INFO] [stdout] test css::css::check_minification2 ... ok
[INFO] [stdout] test css::token::check_media ... ok
[INFO] [stdout] test css::css::check_space_after_paren ... ok
[INFO] [stdout] test js::js::another_js_test ... ok
[INFO] [stdout] test css::token::elem_selector ... ok
[INFO] [stdout] test css::token::css_basic ... ok
[INFO] [stdout] test js::js::check_regex_syntax ... ok
[INFO] [stdout] test js::js::already_existing_var ... ok
[INFO] [stdout] test js::js::clean_except2 ... ok
[INFO] [stdout] test js::js::comment_issue ... ok
[INFO] [stdout] test js::js::aggregate_strings_in_array_filter ... ok
[INFO] [stdout] test js::js::clean_except3 ... ok
[INFO] [stdout] test js::js::js_minify_test ... ok
[INFO] [stdout] test js::js::aggregate_strings_in_array_existing ... ok
[INFO] [stdout] test js::js::clean_except ... ok
[INFO] [stdout] test js::js::aggregate_strings_in_array ... ok
[INFO] [stdout] test js::js::simple_quote ... ok
[INFO] [stdout] test js::js::string_duplicates ... ok
[INFO] [stdout] test js::js::keep_space ... ok
[INFO] [stdout] test js::js::test_remove_extra_whitespace_before_in ... ok
[INFO] [stdout] test js::js::test_remove_extra_whitespace_before_operator ... ok
[INFO] [stdout] test js::js::missing_whitespace ... ok
[INFO] [stdout] test js::js::string_duplicates_variables_already_exist ... ok
[INFO] [stdout] test js::js::minify_minified ... ok
[INFO] [stdout] test js::js::string_duplicates_with_separator ... ok
[INFO] [stdout] test js::token::division_by_id ... ok
[INFO] [stdout] test js::token::even_more_regex ... ok
[INFO] [stdout] test js::token::not_regex_test ... ok
[INFO] [stdout] test js::js::weird_regex_issue ... ok
[INFO] [stdout] test js::token::check_regex ... ok
[INFO] [stdout] test js::token::test_number_parsing ... ok
[INFO] [stdout] test js::token::test_number_parsing2 ... ok
[INFO] [stdout] test js::token::tokens_spaces ... ok
[INFO] [stdout] test js::utils::check_get_array ... ok
[INFO] [stdout] test js::utils::check_get_variable_name_and_value_positions ... ok
[INFO] [stdout] test js::utils::check_iterator ... ok
[INFO] [stdout] test js::utils::replace_tokens ... ok
[INFO] [stdout] test js::token::test_string_parsing ... ok
[INFO] [stdout] test js::token::test_tokens_parsing ... ok
[INFO] [stdout] test js::js::test_remove_extra_whitespace_before_typeof ... ok
[INFO] [stdout] test json::removal_from_read ... ok
[INFO] [stdout] test js::token::more_regex ... ok
[INFO] [stdout] test json::removal_of_control_characters ... ok
[INFO] [stdout] test json::removal_of_whitespace_outside_of_tags ... ok
[INFO] [stdout] test js::js::name_generator ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 52 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.13s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/minifier-9b4800f2161169fe
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/js_minify-04b07756e85ab03a
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_minification ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests minifier
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/js/utils.rs - js::utils::clean_tokens_except (line 363) ... ok
[INFO] [stdout] test src/js/js.rs - js::js::simple_minify (line 622) ... ok
[INFO] [stdout] test src/js/js.rs - js::js::aggregate_strings_into_array (line 582) ... ok
[INFO] [stdout] test src/js/utils.rs - js::utils::clean_tokens (line 284) ... ok
[INFO] [stdout] test src/js/js.rs - js::js::aggregate_strings_into_array_with_separation (line 529) ... ok
[INFO] [stdout] test src/js/js.rs - js::js::aggregate_strings_with_separation (line 373) ... ok
[INFO] [stdout] test src/js/js.rs - js::js::aggregate_strings (line 345) ... ok
[INFO] [stdout] test src/css/css.rs - css::css::minify (line 165) ... ok
[INFO] [stdout] test src/js/js.rs - js::js::minify (line 194) ... ok
[INFO] [stdout] test src/js/utils.rs - js::utils::get_variable_name_and_value_positions (line 178) ... ok
[INFO] [stdout] test src/js/utils.rs - js::utils::replace_tokens_with (line 108) ... ok
[INFO] [stdout] test src/json/mod.rs - json::minify (line 24) ... ok
[INFO] [stdout] test src/json/mod.rs - json::minify_from_read (line 48) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.33s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e3c573a88c0a57a0f19d6c2a1293ecc8e464dbb6503c499df50cc3e5bb49be99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3c573a88c0a57a0f19d6c2a1293ecc8e464dbb6503c499df50cc3e5bb49be99", kill_on_drop: false }`
[INFO] [stdout] e3c573a88c0a57a0f19d6c2a1293ecc8e464dbb6503c499df50cc3e5bb49be99