[INFO] fetching crate ion 0.8.8...
[INFO] testing ion-0.8.8 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate ion 0.8.8 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ion 0.8.8 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ion 0.8.8
[INFO] finished tweaking crates.io crate ion 0.8.8
[INFO] tweaked toml for crates.io crate ion 0.8.8 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--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 quickcheck_macros v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35112630978b01954d5ed02a734696eb976d99e2113d849b06a596c3244de665
[INFO] running `Command { std: "docker" "start" "-a" "35112630978b01954d5ed02a734696eb976d99e2113d849b06a596c3244de665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35112630978b01954d5ed02a734696eb976d99e2113d849b06a596c3244de665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35112630978b01954d5ed02a734696eb976d99e2113d849b06a596c3244de665", kill_on_drop: false }`
[INFO] [stdout] 35112630978b01954d5ed02a734696eb976d99e2113d849b06a596c3244de665
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7970b306a9b530f1847a7fb3003b1ab836cfd25cd13f39c05fbcb73116ce8c0a
[INFO] running `Command { std: "docker" "start" "-a" "7970b306a9b530f1847a7fb3003b1ab836cfd25cd13f39c05fbcb73116ce8c0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ion v0.8.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/ion/from_ion.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn from_ion(&T) -> Result<Self, Self::Err>;
[INFO] [stdout]   |                 ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "7970b306a9b530f1847a7fb3003b1ab836cfd25cd13f39c05fbcb73116ce8c0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7970b306a9b530f1847a7fb3003b1ab836cfd25cd13f39c05fbcb73116ce8c0a", kill_on_drop: false }`
[INFO] [stdout] 7970b306a9b530f1847a7fb3003b1ab836cfd25cd13f39c05fbcb73116ce8c0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4dfce612f3a0798c2557110ddb5906ba499d8839833cc5d9250b3c252bfc681b
[INFO] running `Command { std: "docker" "start" "-a" "4dfce612f3a0798c2557110ddb5906ba499d8839833cc5d9250b3c252bfc681b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/ion/from_ion.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn from_ion(&T) -> Result<Self, Self::Err>;
[INFO] [stdout]   |                 ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling quickcheck_macros v0.9.1
[INFO] [stderr]    Compiling ion v0.8.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/ion/from_ion.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn from_ion(&T) -> Result<Self, Self::Err>;
[INFO] [stdout]   |                 ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 20.75s
[INFO] running `Command { std: "docker" "inspect" "4dfce612f3a0798c2557110ddb5906ba499d8839833cc5d9250b3c252bfc681b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dfce612f3a0798c2557110ddb5906ba499d8839833cc5d9250b3c252bfc681b", kill_on_drop: false }`
[INFO] [stdout] 4dfce612f3a0798c2557110ddb5906ba499d8839833cc5d9250b3c252bfc681b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 68120aa9abbf28f44752faa445136ee3cd0718f9231a6e04c8f56dfcb2f85e87
[INFO] running `Command { std: "docker" "start" "-a" "68120aa9abbf28f44752faa445136ee3cd0718f9231a6e04c8f56dfcb2f85e87", kill_on_drop: false }`
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]  --> src/ion/from_ion.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 |     fn from_ion(&T) -> Result<Self, Self::Err>;
[INFO] [stderr]   |                 ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]  --> src/ion/from_ion.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 |     fn from_ion(&T) -> Result<Self, Self::Err>;
[INFO] [stderr]   |                 ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ion-a6406928e7f31446)
[INFO] [stdout] running 55 tests
[INFO] [stdout] test ion::from_ion::tests::option_string ... ok
[INFO] [stdout] test ion::tests::as_integer ... ok
[INFO] [stdout] test ion::tests::as_str ... ok
[INFO] [stdout] test ion::tests::no_rows_with_header ... ok
[INFO] [stdout] test ion::tests::filtered_section ... ok
[INFO] [stdout] test ion::tests::row_with_header ... ok
[INFO] [stdout] test ion::section::tests::with_headers::section_can_have_no_content_rows ... ok
[INFO] [stdout] test ion::tests::as_boolean ... ok
[INFO] [stdout] test ion::from_ion::tests::bool ... ok
[INFO] [stdout] test ion::section::tests::without_headers::cell_content_can_be_empty ... ok
[INFO] [stdout] test ion::value::tests::float ... ok
[INFO] [stdout] test ion::section::tests::into_iter::without_headers::it_works_on_ref_section ... ok
[INFO] [stdout] test ion::section::tests::with_headers::cell_content_can_start_with_hyphen ... ok
[INFO] [stdout] test ion::section::tests::without_headers::cell_content_can_start_with_hyphen ... ok
[INFO] [stdout] test ion::section::tests::into_iter::with_headers::it_works_with_section_by_value ... ok
[INFO] [stdout] test parser::tests::read::when_parsing_without_filtering::and_ion_has_root_section::and_root_section_has_dictionary_with_array::then_returns_dictionary ... ok
[INFO] [stdout] test parser::tests::read::when_parsing_without_filtering::and_ion_has_root_section::and_root_section_has_dictionary_with_dictionary::then_returns_dictionary ... ok
[INFO] [stdout] test parser::tests::read::when_parsing_with_filtering::and_ion_has_filtered_section::and_then_accepted_section::then_returns_accepted_section ... ok
[INFO] [stdout] test parser::tests::finish_array ... ok
[INFO] [stdout] test parser::tests::finish_dictionary ... ok
[INFO] [stdout] test parser::tests::display ... ok
[INFO] [stdout] test parser::tests::finish_string ... ok
[INFO] [stdout] test parser::tests::parse ... ok
[INFO] [stdout] test parser::tests::read::when_parsing_with_filtering::and_ion_has_accepted_section::and_no_other_sections::then_returns_accepted_section ... ok
[INFO] [stdout] test parser::tests::read::when_parsing_with_filtering::and_ion_has_accepted_section::and_then_duplicated_allowed_section::and_it_is_not_the_only_accepted_section::then_returns_first_occurance_of_accepted_section ... ok
[INFO] [stdout] test ion::section::tests::without_headers::section_can_have_no_content_rows ... ok
[INFO] [stdout] test ion::from_row::tests::from_row ... ok
[INFO] [stdout] test parser::tests::read::when_parsing_with_filtering::and_ion_has_accepted_section::and_then_duplicated_allowed_section::and_it_is_the_only_accepted_section::then_returns_first_occurance_of_accepted_section ... ok
[INFO] [stdout] test parser::tests::read::when_parsing_with_filtering::and_ion_has_accepted_section::and_then_filtered_section::then_returns_accepted_section ... ok
[INFO] [stdout] test ion::from_ion::tests::u32 ... ok
[INFO] [stdout] test ion::from_ion::tests::string ... ok
[INFO] [stdout] test parser::tests::read::when_parsing_with_filtering::and_ion_has_root_section::and_then_filtered_section::then_returns_nothing ... ok
[INFO] [stdout] test ion::from_ion::tests::from_ion_section ... ok
[INFO] [stdout] test ion::section::tests::into_iter::without_headers::it_works_on_section_by_value ... ok
[INFO] [stdout] test parser::tests::read::when_parsing_with_filtering::and_ion_has_root_section::and_no_other_sections::then_returns_nothing ... ok
[INFO] [stdout] test parser::tests::read::when_parsing_with_filtering::and_ion_has_filtered_section::and_no_other_sections::then_returns_nothing ... ok
[INFO] [stdout] test parser::tests::read::when_parsing_with_filtering::and_ion_has_root_section::and_then_accepted_section::then_returns_accepted_section ... ok
[INFO] [stdout] test ion::section::tests::into_iter::without_headers::it_works_with_loop ... ok
[INFO] [stdout] test parser::tests::read::when_parsing_without_filtering::and_ion_has_root_section::and_root_section_has_array::then_returns_array ... ok
[INFO] [stdout] test ion::tests::as_string ... ok
[INFO] [stdout] test ion::tests::row_without_header ... ok
[INFO] [stdout] test ion::section::tests::with_headers::cell_content_can_be_empty ... ok
[INFO] [stdout] test ion::value::tests::integer ... ok
[INFO] [stdout] test parser::tests::read::when_parsing_without_filtering::and_ion_has_root_section::and_root_section_has_dictionary_with_string::then_returns_dictionary ... ok
[INFO] [stdout] test parser::tests::slice_to_inc ... ok
[INFO] [stdout] test parser::tests::read::when_parsing_without_filtering::and_ion_has_root_section::and_root_section_has_dictionary_with_dictionary_with_no_value::then_returns_error ... ok
[INFO] [stdout] test parser::tests::read::when_parsing_without_filtering::and_ion_has_root_section::and_root_section_has_array_with_empty_cell::then_returns_array_with_empty_strings_on_empty_cells ... ok
[INFO] [stdout] test parser::tests::read::when_parsing_without_filtering::and_ion_has_root_section::and_root_section_has_dictionary_with_dictionary_with_new_lines::then_returns_dictionary ... ok
[INFO] [stdout] test writer::tests::writer ... ok
[INFO] [stdout] test parser::tests::read::when_parsing_without_filtering::and_ion_has_section::and_section_is_duplicated::then_returns_last_occurance_of_section ... ok
[INFO] [stdout] test parser::tests::slice_while ... ok
[INFO] [stdout] test parser::tests::read::when_parsing_without_filtering::and_ion_has_section::and_section_occurs_once::then_returns_section ... ok
[INFO] [stdout] test parser::tests::slice_to_exc ... ok
[INFO] [stdout] test ion::section::tests::without_headers::works_for_any_arbitrary_cell_contents ... ok
[INFO] [stderr]      Running tests/parse.rs (/opt/rustwide/target/debug/deps/parse-66fc68ba14117004)
[INFO] [stdout] test ion::section::tests::with_headers::works_for_any_arbitrary_cell_contents ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 55 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.61s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test broken_array_and_eof ... ok
[INFO] [stdout] test hotel_ion ... ok
[INFO] [stdout] test test_ion ... ok
[INFO] [stdout] test broken_dictionary_and_eof ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ion
[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] running `Command { std: "docker" "inspect" "68120aa9abbf28f44752faa445136ee3cd0718f9231a6e04c8f56dfcb2f85e87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68120aa9abbf28f44752faa445136ee3cd0718f9231a6e04c8f56dfcb2f85e87", kill_on_drop: false }`
[INFO] [stdout] 68120aa9abbf28f44752faa445136ee3cd0718f9231a6e04c8f56dfcb2f85e87