[INFO] fetching crate ws2markdown 0.2.0...
[INFO] checking ws2markdown-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate ws2markdown 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate ws2markdown 0.2.0 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] started tweaking crates.io crate ws2markdown 0.2.0
[INFO] finished tweaking crates.io crate ws2markdown 0.2.0
[INFO] tweaked toml for crates.io crate ws2markdown 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate ws2markdown 0.2.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.16.3
[INFO] [stderr]   Downloaded pango-sys v0.16.3
[INFO] [stderr]   Downloaded gobject-sys v0.16.3
[INFO] [stderr]   Downloaded cairo-sys-rs v0.16.3
[INFO] [stderr]   Downloaded gio-sys v0.16.3
[INFO] [stderr]   Downloaded atk-sys v0.16.0
[INFO] [stderr]   Downloaded gtk-sys v0.16.0
[INFO] [stderr]   Downloaded pest_meta v2.7.2
[INFO] [stderr]   Downloaded pest v2.7.2
[INFO] [stderr]   Downloaded pest_generator v2.7.2
[INFO] [stderr]   Downloaded pest_derive v2.7.2
[INFO] [stderr]   Downloaded gdk-sys v0.16.0
[INFO] [stderr]   Downloaded glib-sys v0.16.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 227540a5f0cd74582c437f59709db8ad123c37c3694930cd32c3ab2d81d5de83
[INFO] running `Command { std: "docker" "start" "-a" "227540a5f0cd74582c437f59709db8ad123c37c3694930cd32c3ab2d81d5de83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "227540a5f0cd74582c437f59709db8ad123c37c3694930cd32c3ab2d81d5de83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "227540a5f0cd74582c437f59709db8ad123c37c3694930cd32c3ab2d81d5de83", kill_on_drop: false }`
[INFO] [stdout] 227540a5f0cd74582c437f59709db8ad123c37c3694930cd32c3ab2d81d5de83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4ac0a6b1187a07ad71649032d49731ba66cc9b88927035a354f27ab0d0d99be6
[INFO] running `Command { std: "docker" "start" "-a" "4ac0a6b1187a07ad71649032d49731ba66cc9b88927035a354f27ab0d0d99be6", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.187
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling target-lexicon v0.12.11
[INFO] [stderr]    Compiling winnow v0.5.15
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.1.0
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]    Compiling rfd v0.11.4
[INFO] [stderr]     Checking futures-util v0.3.28
[INFO] [stderr]     Checking raw-window-handle v0.5.2
[INFO] [stderr]    Compiling indexmap v2.0.0
[INFO] [stderr]    Compiling cfg-expr v0.15.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]    Compiling toml_datetime v0.6.3
[INFO] [stderr]    Compiling serde_spanned v0.6.3
[INFO] [stderr]    Compiling toml_edit v0.19.14
[INFO] [stderr]    Compiling pest v2.7.2
[INFO] [stderr]    Compiling pest_meta v2.7.2
[INFO] [stderr]    Compiling toml v0.7.6
[INFO] [stderr]    Compiling system-deps v6.1.1
[INFO] [stderr]    Compiling pest_generator v2.7.2
[INFO] [stderr]    Compiling glib-sys v0.16.3
[INFO] [stderr]    Compiling gobject-sys v0.16.3
[INFO] [stderr]    Compiling gio-sys v0.16.3
[INFO] [stderr]    Compiling atk-sys v0.16.0
[INFO] [stderr]    Compiling gdk-sys v0.16.0
[INFO] [stderr]    Compiling pango-sys v0.16.3
[INFO] [stderr]    Compiling cairo-sys-rs v0.16.3
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.16.3
[INFO] [stderr]    Compiling gtk-sys v0.16.0
[INFO] [stderr]    Compiling pest_derive v2.7.2
[INFO] [stderr]     Checking ws2markdown v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.82s
[INFO] running `Command { std: "docker" "inspect" "4ac0a6b1187a07ad71649032d49731ba66cc9b88927035a354f27ab0d0d99be6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ac0a6b1187a07ad71649032d49731ba66cc9b88927035a354f27ab0d0d99be6", kill_on_drop: false }`
[INFO] [stdout] 4ac0a6b1187a07ad71649032d49731ba66cc9b88927035a354f27ab0d0d99be6
[INFO] checking ws2markdown-0.2.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate ws2markdown 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate ws2markdown 0.2.0 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] started tweaking crates.io crate ws2markdown 0.2.0
[INFO] finished tweaking crates.io crate ws2markdown 0.2.0
[INFO] tweaked toml for crates.io crate ws2markdown 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate ws2markdown 0.2.0 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 09d89cfb7041a01d9e92e23fd3f95f864636c8c454642591594736fbb1938e99
[INFO] running `Command { std: "docker" "start" "-a" "09d89cfb7041a01d9e92e23fd3f95f864636c8c454642591594736fbb1938e99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09d89cfb7041a01d9e92e23fd3f95f864636c8c454642591594736fbb1938e99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d89cfb7041a01d9e92e23fd3f95f864636c8c454642591594736fbb1938e99", kill_on_drop: false }`
[INFO] [stdout] 09d89cfb7041a01d9e92e23fd3f95f864636c8c454642591594736fbb1938e99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f44fa1602e21cb2b3719bbfcaa6d45f74d6d04cda78b0e902a38276decc7b7a4
[INFO] running `Command { std: "docker" "start" "-a" "f44fa1602e21cb2b3719bbfcaa6d45f74d6d04cda78b0e902a38276decc7b7a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.187
[INFO] [stderr]    Compiling target-lexicon v0.12.11
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling winnow v0.5.15
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.1.0
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling rfd v0.11.4
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking raw-window-handle v0.5.2
[INFO] [stderr]    Compiling indexmap v2.0.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling cfg-expr v0.15.4
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-lite-1.13.0/src/future.rs:469:27
[INFO] [stdout]     |
[INFO] [stdout] 469 |             let t1 = res1.map_err(|_| unreachable!()).unwrap();
[INFO] [stdout]     |                           ^^^^^^^ cannot infer type of the type parameter `F` declared on the method `map_err`
[INFO] [stdout]     |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]     |
[INFO] [stdout] 469 |             let t1 = res1.map_err::<F, _>(|_| unreachable!()).unwrap();
[INFO] [stdout]     |                                  ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking socket2 v0.4.9
[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 `futures-lite` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f44fa1602e21cb2b3719bbfcaa6d45f74d6d04cda78b0e902a38276decc7b7a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f44fa1602e21cb2b3719bbfcaa6d45f74d6d04cda78b0e902a38276decc7b7a4", kill_on_drop: false }`
[INFO] [stdout] f44fa1602e21cb2b3719bbfcaa6d45f74d6d04cda78b0e902a38276decc7b7a4