[INFO] fetching crate tui_lib 0.1.7...
[INFO] checking tui_lib-0.1.7 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate tui_lib 0.1.7 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate tui_lib 0.1.7 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate tui_lib 0.1.7
[INFO] finished tweaking crates.io crate tui_lib 0.1.7
[INFO] tweaked toml for crates.io crate tui_lib 0.1.7 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b214d915ee588d6a3aea29ae2b311ab753c980a0858db758379060807dea2d81
[INFO] running `Command { std: "docker" "start" "-a" "b214d915ee588d6a3aea29ae2b311ab753c980a0858db758379060807dea2d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b214d915ee588d6a3aea29ae2b311ab753c980a0858db758379060807dea2d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b214d915ee588d6a3aea29ae2b311ab753c980a0858db758379060807dea2d81", kill_on_drop: false }`
[INFO] [stdout] b214d915ee588d6a3aea29ae2b311ab753c980a0858db758379060807dea2d81
[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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1643a6309019f1958d2fc63c99889d8f32345ce3d7c73be2f230dae01d88257c
[INFO] running `Command { std: "docker" "start" "-a" "1643a6309019f1958d2fc63c99889d8f32345ce3d7c73be2f230dae01d88257c", kill_on_drop: false }`
[INFO] [stderr]     Checking tui_lib v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "1643a6309019f1958d2fc63c99889d8f32345ce3d7c73be2f230dae01d88257c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1643a6309019f1958d2fc63c99889d8f32345ce3d7c73be2f230dae01d88257c", kill_on_drop: false }`
[INFO] [stdout] 1643a6309019f1958d2fc63c99889d8f32345ce3d7c73be2f230dae01d88257c
[INFO] checking tui_lib-0.1.7 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate tui_lib 0.1.7 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate tui_lib 0.1.7 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate tui_lib 0.1.7
[INFO] finished tweaking crates.io crate tui_lib 0.1.7
[INFO] tweaked toml for crates.io crate tui_lib 0.1.7 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cffcb4dba4d5fb7ca804859632de0b0030bd896666d65054bad6481d0d65738
[INFO] running `Command { std: "docker" "start" "-a" "5cffcb4dba4d5fb7ca804859632de0b0030bd896666d65054bad6481d0d65738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cffcb4dba4d5fb7ca804859632de0b0030bd896666d65054bad6481d0d65738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cffcb4dba4d5fb7ca804859632de0b0030bd896666d65054bad6481d0d65738", kill_on_drop: false }`
[INFO] [stdout] 5cffcb4dba4d5fb7ca804859632de0b0030bd896666d65054bad6481d0d65738
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55bf28fb79880d24eb53572f7eb51115381c4fc0463616e63f10a4c32fb212b2
[INFO] running `Command { std: "docker" "start" "-a" "55bf28fb79880d24eb53572f7eb51115381c4fc0463616e63f10a4c32fb212b2", kill_on_drop: false }`
[INFO] [stderr]     Checking tui_lib v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/tui_terminal.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |             Err(TuiUnexpectedInputError {
[INFO] [stdout]     |             ^^^ cannot infer type of the type parameter `T` declared on the enum `Result`
[INFO] [stdout]     |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]     |
[INFO] [stdout] 206 |             Err::<T, TuiUnexpectedInputError>(TuiUnexpectedInputError {
[INFO] [stdout]     |                ++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/tui_terminal.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |             Err(TuiUnexpectedInputError {
[INFO] [stdout]     |             ^^^ cannot infer type of the type parameter `T` declared on the enum `Result`
[INFO] [stdout]     |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]     |
[INFO] [stdout] 206 |             Err::<T, TuiUnexpectedInputError>(TuiUnexpectedInputError {
[INFO] [stdout]     |                ++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/tui_terminal_tests.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |         Err(format!("{:?} != {:?}", font_settings1, font_settings2))?;
[INFO] [stdout]     |         ^^^ cannot infer type of the type parameter `T` declared on the enum `Result`
[INFO] [stdout]     |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]     |
[INFO] [stdout] 178 |         Err::<T, String>(format!("{:?} != {:?}", font_settings1, font_settings2))?;
[INFO] [stdout]     |            +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tui_lib` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tui_lib` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "55bf28fb79880d24eb53572f7eb51115381c4fc0463616e63f10a4c32fb212b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55bf28fb79880d24eb53572f7eb51115381c4fc0463616e63f10a4c32fb212b2", kill_on_drop: false }`
[INFO] [stdout] 55bf28fb79880d24eb53572f7eb51115381c4fc0463616e63f10a4c32fb212b2