[INFO] fetching crate tty-form 2.0.0...
[INFO] testing tty-form-2.0.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate tty-form 2.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate tty-form 2.0.0
[INFO] finished tweaking crates.io crate tty-form 2.0.0
[INFO] tweaked toml for crates.io crate tty-form 2.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tty-form 2.0.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tty-form 2.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tty-text v2.0.0
[INFO] [stderr]   Downloaded vte_generate_state_changes v0.1.1
[INFO] [stderr]   Downloaded utf8parse v0.2.0
[INFO] [stderr]   Downloaded unicode-ident v1.0.5
[INFO] [stderr]   Downloaded vt100 v0.15.1
[INFO] [stderr]   Downloaded itoa v1.0.4
[INFO] [stderr]   Downloaded tty-interface v4.0.0
[INFO] [stderr]   Downloaded crossterm_winapi v0.9.0
[INFO] [stderr]   Downloaded lock_api v0.4.9
[INFO] [stderr]   Downloaded signal-hook v0.3.14
[INFO] [stderr]   Downloaded parking_lot_core v0.9.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.47
[INFO] [stderr]   Downloaded mio v0.8.5
[INFO] [stderr]   Downloaded crossterm v0.25.0
[INFO] [stderr]   Downloaded vte v0.10.1
[INFO] [stderr]   Downloaded unicode-segmentation v1.10.0
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.42.0
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.42.0
[INFO] [stderr]   Downloaded libc v0.2.137
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.42.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.42.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.42.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.42.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.42.0
[INFO] [stderr]   Downloaded windows-sys v0.42.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a9940227e6f8dea43e7371bfdd0a8f8aaa31e6740df70a079dec6bbe4a40eeb
[INFO] running `Command { std: "docker" "start" "-a" "7a9940227e6f8dea43e7371bfdd0a8f8aaa31e6740df70a079dec6bbe4a40eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a9940227e6f8dea43e7371bfdd0a8f8aaa31e6740df70a079dec6bbe4a40eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a9940227e6f8dea43e7371bfdd0a8f8aaa31e6740df70a079dec6bbe4a40eeb", kill_on_drop: false }`
[INFO] [stdout] 7a9940227e6f8dea43e7371bfdd0a8f8aaa31e6740df70a079dec6bbe4a40eeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a0349e7ccf6d904750d8e5ea0081b1855e76bec55037c67d1471e6aba8e49a7
[INFO] running `Command { std: "docker" "start" "-a" "2a0349e7ccf6d904750d8e5ea0081b1855e76bec55037c67d1471e6aba8e49a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling tty-text v2.0.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.8.5
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]    Compiling vte v0.10.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling crossterm v0.25.0
[INFO] [stderr]    Compiling vt100 v0.15.1
[INFO] [stderr]    Compiling tty-interface v4.0.0
[INFO] [stderr]    Compiling tty-form v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/step/compound.rs:131:37
[INFO] [stdout]     |
[INFO] [stdout] 131 |             for (id, evaluation) in control.evaluation() {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 131 -             for (id, evaluation) in control.evaluation() {
[INFO] [stdout] 131 +             while let Some((id, evaluation)) = control.evaluation() {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 131 -             for (id, evaluation) in control.evaluation() {
[INFO] [stdout] 131 +             if let Some((id, evaluation)) = control.evaluation() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.91s
[INFO] running `Command { std: "docker" "inspect" "2a0349e7ccf6d904750d8e5ea0081b1855e76bec55037c67d1471e6aba8e49a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a0349e7ccf6d904750d8e5ea0081b1855e76bec55037c67d1471e6aba8e49a7", kill_on_drop: false }`
[INFO] [stdout] 2a0349e7ccf6d904750d8e5ea0081b1855e76bec55037c67d1471e6aba8e49a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7782d40c333fbc7c36668c0f0873451af3ea722a16ed6fd17c8d41e1a38db8e7
[INFO] running `Command { std: "docker" "start" "-a" "7782d40c333fbc7c36668c0f0873451af3ea722a16ed6fd17c8d41e1a38db8e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling tty-form v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/step/compound.rs:131:37
[INFO] [stdout]     |
[INFO] [stdout] 131 |             for (id, evaluation) in control.evaluation() {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 131 -             for (id, evaluation) in control.evaluation() {
[INFO] [stdout] 131 +             while let Some((id, evaluation)) = control.evaluation() {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 131 -             for (id, evaluation) in control.evaluation() {
[INFO] [stdout] 131 +             if let Some((id, evaluation)) = control.evaluation() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/step/compound.rs:131:37
[INFO] [stdout]     |
[INFO] [stdout] 131 |             for (id, evaluation) in control.evaluation() {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 131 -             for (id, evaluation) in control.evaluation() {
[INFO] [stdout] 131 +             while let Some((id, evaluation)) = control.evaluation() {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 131 -             for (id, evaluation) in control.evaluation() {
[INFO] [stdout] 131 +             if let Some((id, evaluation)) = control.evaluation() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "7782d40c333fbc7c36668c0f0873451af3ea722a16ed6fd17c8d41e1a38db8e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7782d40c333fbc7c36668c0f0873451af3ea722a16ed6fd17c8d41e1a38db8e7", kill_on_drop: false }`
[INFO] [stdout] 7782d40c333fbc7c36668c0f0873451af3ea722a16ed6fd17c8d41e1a38db8e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 70e69db7c4945444032e802693b4585de370d100df50d06fbd64cb2a5adf3ba1
[INFO] running `Command { std: "docker" "start" "-a" "70e69db7c4945444032e802693b4585de370d100df50d06fbd64cb2a5adf3ba1", kill_on_drop: false }`
[INFO] [stderr] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stderr]    --> src/step/compound.rs:131:37
[INFO] [stderr]     |
[INFO] [stderr] 131 |             for (id, evaluation) in control.evaluation() {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]     |
[INFO] [stderr] 131 -             for (id, evaluation) in control.evaluation() {
[INFO] [stderr] 131 +             while let Some((id, evaluation)) = control.evaluation() {
[INFO] [stderr]     |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]     |
[INFO] [stderr] 131 -             for (id, evaluation) in control.evaluation() {
[INFO] [stderr] 131 +             if let Some((id, evaluation)) = control.evaluation() {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `tty-form` (lib) generated 1 warning
[INFO] [stderr] warning: `tty-form` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tty_form-b8a20cdfb93304c7)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test text::tests::test_set_segment_style_entirely ... ok
[INFO] [stdout] test text::tests::test_set_segment_style_neatly ... ok
[INFO] [stdout] test text::tests::test_set_segment_style_split ... 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]    Doc-tests tty_form
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/step/textblock.rs - step::textblock::TextBlockStep (line 18) ... ok
[INFO] [stdout] test src/step/compound.rs - step::compound::CompoundStep (line 21) ... ok
[INFO] [stdout] test src/form.rs - form::Form (line 15) ... ok
[INFO] [stdout] test src/control/statictext.rs - control::statictext::StaticText (line 15) ... ok
[INFO] [stdout] test src/control/selectinput.rs - control::selectinput::SelectInput (line 15) ... ok
[INFO] [stdout] test src/control/textinput.rs - control::textinput::TextInput (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.62s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "70e69db7c4945444032e802693b4585de370d100df50d06fbd64cb2a5adf3ba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70e69db7c4945444032e802693b4585de370d100df50d06fbd64cb2a5adf3ba1", kill_on_drop: false }`
[INFO] [stdout] 70e69db7c4945444032e802693b4585de370d100df50d06fbd64cb2a5adf3ba1