[INFO] fetching crate snafu 0.7.0-beta.0...
[INFO] testing snafu-0.7.0-beta.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate snafu 0.7.0-beta.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate snafu 0.7.0-beta.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snafu 0.7.0-beta.0
[INFO] finished tweaking crates.io crate snafu 0.7.0-beta.0
[INFO] tweaked toml for crates.io crate snafu 0.7.0-beta.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7051b30b4368b20b6caf93af87e80fc78e56ffc6818aa9b8a76b9c432ab164e5
[INFO] running `Command { std: "docker" "start" "-a" "7051b30b4368b20b6caf93af87e80fc78e56ffc6818aa9b8a76b9c432ab164e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7051b30b4368b20b6caf93af87e80fc78e56ffc6818aa9b8a76b9c432ab164e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7051b30b4368b20b6caf93af87e80fc78e56ffc6818aa9b8a76b9c432ab164e5", kill_on_drop: false }`
[INFO] [stdout] 7051b30b4368b20b6caf93af87e80fc78e56ffc6818aa9b8a76b9c432ab164e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd1e8693196da6b37ca2b16ab8f7b3b6eaae12f786a8b5abf834b6a70599f16e
[INFO] running `Command { std: "docker" "start" "-a" "bd1e8693196da6b37ca2b16ab8f7b3b6eaae12f786a8b5abf834b6a70599f16e", kill_on_drop: false }`
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling snafu-derive v0.7.0-beta.0
[INFO] [stderr]    Compiling snafu v0.7.0-beta.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.16s
[INFO] running `Command { std: "docker" "inspect" "bd1e8693196da6b37ca2b16ab8f7b3b6eaae12f786a8b5abf834b6a70599f16e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd1e8693196da6b37ca2b16ab8f7b3b6eaae12f786a8b5abf834b6a70599f16e", kill_on_drop: false }`
[INFO] [stdout] bd1e8693196da6b37ca2b16ab8f7b3b6eaae12f786a8b5abf834b6a70599f16e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9dcd56722ec38a7ece11a662f76d273cb619db5f393e27bd1bb223810b26412
[INFO] running `Command { std: "docker" "start" "-a" "a9dcd56722ec38a7ece11a662f76d273cb619db5f393e27bd1bb223810b26412", kill_on_drop: false }`
[INFO] [stderr]    Compiling snafu v0.7.0-beta.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.08s
[INFO] running `Command { std: "docker" "inspect" "a9dcd56722ec38a7ece11a662f76d273cb619db5f393e27bd1bb223810b26412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9dcd56722ec38a7ece11a662f76d273cb619db5f393e27bd1bb223810b26412", kill_on_drop: false }`
[INFO] [stdout] a9dcd56722ec38a7ece11a662f76d273cb619db5f393e27bd1bb223810b26412
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 95ceffbfbe9d7325302200482dc7806737f4215ef460e2c6efa48052001fabf5
[INFO] running `Command { std: "docker" "start" "-a" "95ceffbfbe9d7325302200482dc7806737f4215ef460e2c6efa48052001fabf5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/snafu-994808f4d5e76bd8)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/backtrace.rs (/opt/rustwide/target/debug/deps/backtrace-01f944e2cf6de036)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running tests/backtrace-optional.rs (/opt/rustwide/target/debug/deps/backtrace_optional-0aabc61ea2bbb0e6)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test display_can_access_backtrace ... ok
[INFO] [stdout] test errors_with_sources_and_other_info_can_have_backtraces ... ok
[INFO] [stdout] test errors_with_sources_can_have_backtraces ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test bare_backtrace_is_always_present ... ok
[INFO] [stdout] test optional_backtrace_is_not_present_without_environment_variable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/backtrace-optional-enabled.rs (/opt/rustwide/target/debug/deps/backtrace_optional_enabled-05bcb58115f66f3d)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/backtrace_attributes.rs (/opt/rustwide/target/debug/deps/backtrace_attributes-68ed3a6a895163e4)
[INFO] [stdout] running 1 test
[INFO] [stdout] test optional_backtrace_is_present_with_environment_variable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-fb11cd2f8a017304)
[INFO] [stdout] test implements_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/boxed_error_trait_object.rs (/opt/rustwide/target/debug/deps/boxed_error_trait_object-48cce2c5b7de5c30)
[INFO] [stdout] test implements_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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 implements_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/build-leaf-error.rs (/opt/rustwide/target/debug/deps/build_leaf_error-4c74d1dfc8770c6c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/context_selector_name.rs (/opt/rustwide/target/debug/deps/context_selector_name-9f037625afcc2715)
[INFO] [stdout] test implements_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/default_error_display.rs (/opt/rustwide/target/debug/deps/default_error_display-94e2f53f52000b68)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test implements_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/doc_comment.rs (/opt/rustwide/target/debug/deps/doc_comment-1c076f880b0cd9df)
[INFO] [stdout] test default_error_display ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test implements_error ... ok
[INFO] [stderr]      Running tests/ensure.rs (/opt/rustwide/target/debug/deps/ensure-ebbb45d5fbfd359e)
[INFO] [stdout] test display_is_stronger_than_doc_comment ... ok
[INFO] [stdout] test uses_doc_comment ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/generics.rs (/opt/rustwide/target/debug/deps/generics-fbf8230b66f89c83)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test accepts_trailing_commas ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test bounds::where_clause::implements_error ... ok
[INFO] [stdout] test implements_error ... ok
[INFO] [stdout] test bounds::inline::implements_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/generics_with_default.rs (/opt/rustwide/target/debug/deps/generics_with_default-eb8dc583b5de9644)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test default_with_lifetime::implements_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mapping_result_without_try_operator.rs (/opt/rustwide/target/debug/deps/mapping_result_without_try_operator-41bb45f4e4e2a4e8)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test can_be_used_without_question_mark ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/multiple_attributes.rs (/opt/rustwide/target/debug/deps/multiple_attributes-ccc5330869647f89)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running tests/name-conflicts.rs (/opt/rustwide/target/debug/deps/name_conflicts-8d91481bf2bc208c)
[INFO] [stdout] test has_display ... ok
[INFO] [stderr]      Running tests/no_context.rs (/opt/rustwide/target/debug/deps/no_context-60012e2fcb207309)
[INFO] [stdout] test is_visible ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test with_backtraces::implements_error ... ok
[INFO] [stdout] test with_bounds::implements_error ... ok
[INFO] [stdout] test implements_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/opaque.rs (/opt/rustwide/target/debug/deps/opaque-a693375d32d6ded9)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test ensure_opaque ... ok
[INFO] [stdout] test ensure_boxed ... ok
[INFO] [stdout] test implements_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/options.rs (/opt/rustwide/target/debug/deps/options-bc8a81e443ffce6a)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/premade_error.rs (/opt/rustwide/target/debug/deps/premade_error-7c8d43e4e463228c)
[INFO] [stdout] running 1 test
[INFO] [stdout] test implements_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test does_not_need_a_cause ... ok
[INFO] [stdout] test can_be_recursive ... ok
[INFO] [stderr]      Running tests/raw_idents.rs (/opt/rustwide/target/debug/deps/raw_idents-803b78fc3a443135)
[INFO] [stdout] test can_wrap_cause_with_a_formatted_string_via_macro ... ok
[INFO] [stdout] test has_a_backtrace ... ok
[INFO] [stdout] test implements_error ... ok
[INFO] [stdout] test can_wrap_cause_with_a_formatted_string_via_trait ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/recursive_error.rs (/opt/rustwide/target/debug/deps/recursive_error-ca2a1c40a8d0bbc2)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test implements_error ... ok
[INFO] [stdout] test creates_context_selectors ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/send_between_threads.rs (/opt/rustwide/target/debug/deps/send_between_threads-1193a12f41956c1e)
[INFO] [stdout] test implements_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/single_use_lifetimes_lint.rs (/opt/rustwide/target/debug/deps/single_use_lifetimes_lint-2bde98924bd5e9b5)
[INFO] [stdout] test implements_thread_safe_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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 it_compiles ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/source_attributes.rs (/opt/rustwide/target/debug/deps/source_attributes-a56c947b4cd4a738)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test enabling::implements_error ... ok
[INFO] [stderr]      Running tests/stringly_typed.rs (/opt/rustwide/target/debug/deps/stringly_typed-f5b38532873b365b)
[INFO] [stdout] test transformation::api_implements_error ... ok
[INFO] [stdout] test transformation::implements_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test message_and_source::can_access_the_cause ... ok
[INFO] [stdout] test message_and_source::can_be_recursive ... ok
[INFO] [stdout] test message_and_source::can_use_a_formatted_string_via_macro ... ok
[INFO] [stdout] test message_and_source::does_not_need_a_cause ... ok
[INFO] [stdout] test message_and_source::can_use_a_formatted_string_via_trait ... ok
[INFO] [stdout] test message_and_source::implements_error ... ok
[INFO] [stdout] test message_source_and_backtrace::implements_error ... ok
[INFO] [stdout] test struck::message_source_and_backtrace::can_use_a_formatted_string ... ok
[INFO] [stdout] test message_only::can_use_a_formatted_string ... ok
[INFO] [stdout] test message_source_and_backtrace::can_use_a_formatted_string ... ok
[INFO] [stdout] test message_source_and_backtrace::has_a_backtrace ... ok
[INFO] [stderr]      Running tests/structs.rs (/opt/rustwide/target/debug/deps/structs-21ed7b89ba82081d)
[INFO] [stdout] test message_only::implements_error ... ok
[INFO] [stdout] test struck::message_source_and_backtrace::implements_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test backtrace_attributes::explicit_true_treated_as_backtrace ... ok
[INFO] [stdout] test context_selector_name::alpha_implements_error ... ok
[INFO] [stdout] test context_selector_name::trimming_implements_error ... ok
[INFO] [stdout] test display::attribute_is_stronger_than_doc_comment ... ok
[INFO] [stdout] test backtrace::can_include_a_backtrace_in_leaf ... ok
[INFO] [stdout] test backtrace_attributes::no_argument_treated_as_backtrace ... ok
[INFO] [stdout] test backtrace::can_include_a_backtrace_with_no_context ... ok
[INFO] [stdout] test backtrace::can_include_a_backtrace_with_source ... ok
[INFO] [stdout] test display::defaults_to_name_of_struct ... ok
[INFO] [stdout] test display::doc_comment_used_as_display ... ok
[INFO] [stdout] test backtrace_attributes::explicit_false_not_treated_as_backtrace ... ok
[INFO] [stdout] test generics::lifetimes::are_allowed ... ok
[INFO] [stdout] test generics::types::with_defaults::allows_non_default_types ... ok
[INFO] [stdout] test source_attributes::enabling::false_argument_not_treated_as_source ... ok
[INFO] [stdout] test source_attributes::enabling::from_argument_treated_as_source ... ok
[INFO] [stdout] test source_attributes::enabling::true_argument_treated_as_source ... ok
[INFO] [stdout] test source_attributes::transformation::transformation_via_closure ... ok
[INFO] [stdout] test source_attributes::transformation::transformation_via_function ... ok
[INFO] [stdout] test visibility::can_set_visibility ... ok
[INFO] [stdout] test source_attributes::transformation::transformation_to_trait_object ... ok
[INFO] [stdout] test with_source::implements_error ... ok
[INFO] [stdout] test from_option::can_be_used_as_context_on_an_option ... ok
[INFO] [stdout] test without_source::implements_error ... ok
[INFO] [stdout] test no_context::with_source_transformation::does_not_need_context_method ... ok
[INFO] [stdout] test single_use_lifetimes::an_error_with_generic_lifetimes_does_not_trigger_the_lint ... ok
[INFO] [stdout] test generics::bounds::where_clause::are_preserved ... ok
[INFO] [stdout] test no_context::does_not_need_context_method ... ok
[INFO] [stdout] test source_attributes::enabling::no_argument_treated_as_source ... ok
[INFO] [stdout] test generics::types::are_allowed ... ok
[INFO] [stdout] test generics::bounds::inline::are_preserved ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/visibility.rs (/opt/rustwide/target/debug/deps/visibility-6e1c1e40f0c22134)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test can_set_default_visibility ... ok
[INFO] [stdout] test outer::can_set_default_visibility ... ok
[INFO] [stderr]    Doc-tests snafu
[INFO] [stdout] test outer::can_set_visibility ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 67 tests
[INFO] [stdout] test src/lib.rs - Snafu (line 339) ... ok
[INFO] [stdout] test src/lib.rs - OptionExt::context (line 648) ... ok
[INFO] [stdout] test src/guide/examples/basic.rs - guide::examples::basic::Error (line 42) ... ok
[INFO] [stdout] test src/guide/examples/backtrace.rs - guide::examples::backtrace::Error (line 43) ... ok
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] test src/lib.rs - (line 44) ... ok
[INFO] [stdout] test src/lib.rs - (line 84) ... ok
[INFO] [stdout] test src/lib.rs - (line 56) ... ok
[INFO] [stdout] test src/lib.rs - ResultExt::context (line 416) ... ok
[INFO] [stdout] test src/lib.rs - Snafu (line 388) ... ok
[INFO] [stdout] test src/lib.rs - OptionExt::with_context (line 682) ... ok
[INFO] [stdout] test src/lib.rs - Snafu (line 441) ... ok
[INFO] [stdout] test src/guide/examples/basic.rs - guide::examples::basic::Error (line 22) ... ok
[INFO] [stdout] test src/lib.rs - Snafu (line 474) ... ok
[INFO] [stdout] test src/lib.rs - guide::the_macro (line 319) ... ignored
[INFO] [stdout] test src/lib.rs - guide::the_macro (line 352) ... ignored
[INFO] [stdout] test src/lib.rs - guide::the_macro (line 361) ... ignored
[INFO] [stdout] test src/lib.rs - guide::the_macro (line 381) ... ignored
[INFO] [stdout] test src/lib.rs - guide::the_macro (line 403) ... ignored
[INFO] [stdout] test src/lib.rs - guide::the_macro (line 429) ... ignored
[INFO] [stdout] test src/lib.rs - guide::troubleshooting::missing_field_source (line 271) ... ignored
[INFO] [stdout] test src/lib.rs - guide::troubleshooting::missing_field_source (line 288) ... ignored
[INFO] [stdout] test src/lib.rs - guide::troubleshooting::missing_field_source (line 336) ... ignored
[INFO] [stdout] test src/lib.rs - guide::upgrading (line 341) ... ignored
[INFO] [stdout] test src/lib.rs - guide::upgrading (line 353) ... ignored
[INFO] [stdout] test src/lib.rs - guide::upgrading (line 376) ... ignored
[INFO] [stdout] test src/lib.rs - Snafu (line 266) ... ok
[INFO] [stdout] test src/lib.rs - ResultExt::with_context (line 455) ... ok
[INFO] [stdout] test src/lib.rs - OptionExt::with_whatever_context (line 775) ... ok
[INFO] [stdout] test src/lib.rs - Snafu (line 300) ... ok
[INFO] [stdout] test src/lib.rs - guide::upgrading (line 389) ... ignored
[INFO] [stdout] test src/lib.rs - guide::upgrading (line 409) ... ignored
[INFO] [stdout] test src/lib.rs - guide::upgrading (line 434) ... ignored
[INFO] [stdout] test src/lib.rs - guide::upgrading (line 442) ... ignored
[INFO] [stdout] test src/lib.rs - guide::upgrading (line 484) ... ignored
[INFO] [stdout] test src/lib.rs - guide::upgrading (line 498) ... ignored
[INFO] [stdout] test src/lib.rs - guide::upgrading (line 511) ... ignored
[INFO] [stdout] test src/lib.rs - guide::upgrading (line 526) ... ignored
[INFO] [stdout] test src/lib.rs - (line 148) ... ok
[INFO] [stdout] test src/lib.rs - OptionExt::whatever_context (line 730) ... ok
[INFO] [stdout] test src/lib.rs - (line 103) ... ok
[INFO] [stdout] test src/lib.rs - (line 129) ... ok
[INFO] [stdout] test src/lib.rs - Snafu (line 495) ... ok
[INFO] [stdout] test src/lib.rs - OptionExt::with_whatever_context (line 756) ... ok
[INFO] [stdout] test src/lib.rs - Whatever (line 1093) ... ok
[INFO] [stdout] test src/lib.rs - guide::comparison::failure (line 274) ... ok
[INFO] [stdout] test src/lib.rs - ensure (line 298) ... ok
[INFO] [stdout] test src/lib.rs - (line 169) ... ok
[INFO] [stdout] test src/lib.rs - ResultExt::whatever_context (line 504) ... ok
[INFO] [stdout] test src/lib.rs - guide::generics (line 298) ... ok
[INFO] [stdout] test src/lib.rs - Snafu (line 543) ... ok
[INFO] [stdout] test src/lib.rs - ResultExt::with_whatever_context (line 547) ... ok
[INFO] [stdout] test src/lib.rs - ErrorCompat (line 862) ... ok
[INFO] [stdout] test src/lib.rs - guide::comparison::failure (line 322) ... ok
[INFO] [stdout] test src/lib.rs - guide::comparison::failure (line 299) ... ok
[INFO] [stdout] test src/lib.rs - ResultExt::with_whatever_context (line 531) ... ok
[INFO] [stdout] test src/lib.rs - Snafu (line 413) ... ok
[INFO] [stdout] test src/lib.rs - guide::generics (line 268) ... ok
[INFO] [stdout] test src/lib.rs - guide::generics (line 326) ... ok
[INFO] [stdout] test src/lib.rs - guide::the_macro (line 273) ... ok
[INFO] [stdout] test src/lib.rs - guide::structs (line 268) ... ok
[INFO] [stdout] test src/lib.rs - guide::opaque (line 275) ... ok
[INFO] [stdout] test src/lib.rs - Snafu (line 519) ... ok
[INFO] [stdout] test src/lib.rs - whatever (line 363) ... ok
[INFO] [stdout] test src/lib.rs - whatever (line 334) ... ok
[INFO] [stdout] test src/lib.rs - guide::comparison::failure (line 365) ... ok
[INFO] [stdout] test src/lib.rs - readme_tests (line 294) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 47 passed; 0 failed; 20 ignored; 0 measured; 0 filtered out; finished in 3.76s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "95ceffbfbe9d7325302200482dc7806737f4215ef460e2c6efa48052001fabf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95ceffbfbe9d7325302200482dc7806737f4215ef460e2c6efa48052001fabf5", kill_on_drop: false }`
[INFO] [stdout] 95ceffbfbe9d7325302200482dc7806737f4215ef460e2c6efa48052001fabf5