[INFO] fetching crate deferred-future 0.1.5... [INFO] checking deferred-future-0.1.5 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate deferred-future 0.1.5 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate deferred-future 0.1.5 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 deferred-future 0.1.5 [INFO] finished tweaking crates.io crate deferred-future 0.1.5 [INFO] tweaked toml for crates.io crate deferred-future 0.1.5 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate crates.io crate deferred-future 0.1.5 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wasm-bindgen-test v0.3.37 [INFO] [stderr] Downloaded futures-time v3.0.0 [INFO] [stderr] Downloaded wasm-bindgen-test-macro v0.3.37 [INFO] [stderr] Downloaded serde-wasm-bindgen v0.6.1 [INFO] [stderr] Downloaded gloo-history v0.2.1 [INFO] [stderr] Downloaded winnow v0.5.17 [INFO] [stderr] Downloaded wasm-gloo-dom-events v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3591449c8aa09b8db332c4b589a8724745f4c7c9999f9ae00aba8b5059c9daa3 [INFO] running `Command { std: "docker" "start" "-a" "3591449c8aa09b8db332c4b589a8724745f4c7c9999f9ae00aba8b5059c9daa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3591449c8aa09b8db332c4b589a8724745f4c7c9999f9ae00aba8b5059c9daa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3591449c8aa09b8db332c4b589a8724745f4c7c9999f9ae00aba8b5059c9daa3", kill_on_drop: false }` [INFO] [stdout] 3591449c8aa09b8db332c4b589a8724745f4c7c9999f9ae00aba8b5059c9daa3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c87a7ee73860739a6cb8c046a93773ef8d51a483da0a0e1f89cfb28494587dc0 [INFO] running `Command { std: "docker" "start" "-a" "c87a7ee73860739a6cb8c046a93773ef8d51a483da0a0e1f89cfb28494587dc0", kill_on_drop: false }` [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Checking futures-io v0.3.29 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling futures-task v0.3.29 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Checking futures-sink v0.3.29 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Compiling syn v2.0.38 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling polling v2.8.0 [INFO] [stderr] Compiling rustix v0.37.27 [INFO] [stderr] Compiling async-io v1.13.0 [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stderr] Checking concurrent-queue v2.3.0 [INFO] [stderr] Checking async-lock v2.8.0 [INFO] [stderr] Checking socket2 v0.4.10 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stderr] Checking futures-time v3.0.0 [INFO] [stderr] Compiling futures-macro v0.3.29 [INFO] [stderr] Checking futures-executor v0.3.29 [INFO] [stderr] Checking futures v0.3.29 [INFO] [stderr] Checking deferred-future v0.1.5 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.16s [INFO] running `Command { std: "docker" "inspect" "c87a7ee73860739a6cb8c046a93773ef8d51a483da0a0e1f89cfb28494587dc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c87a7ee73860739a6cb8c046a93773ef8d51a483da0a0e1f89cfb28494587dc0", kill_on_drop: false }` [INFO] [stdout] c87a7ee73860739a6cb8c046a93773ef8d51a483da0a0e1f89cfb28494587dc0 [INFO] checking deferred-future-0.1.5 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate deferred-future 0.1.5 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate deferred-future 0.1.5 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 deferred-future 0.1.5 [INFO] finished tweaking crates.io crate deferred-future 0.1.5 [INFO] tweaked toml for crates.io crate deferred-future 0.1.5 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate deferred-future 0.1.5 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f97b749d2c7741c47034c98da7e5f72894002c5ca22d151543a7f6a413a53704 [INFO] running `Command { std: "docker" "start" "-a" "f97b749d2c7741c47034c98da7e5f72894002c5ca22d151543a7f6a413a53704", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f97b749d2c7741c47034c98da7e5f72894002c5ca22d151543a7f6a413a53704", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f97b749d2c7741c47034c98da7e5f72894002c5ca22d151543a7f6a413a53704", kill_on_drop: false }` [INFO] [stdout] f97b749d2c7741c47034c98da7e5f72894002c5ca22d151543a7f6a413a53704 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 00a965cb02cdb46473778e8ea246558f62da321ec1f6a5ac5bbe02cc2ebee4d7 [INFO] running `Command { std: "docker" "start" "-a" "00a965cb02cdb46473778e8ea246558f62da321ec1f6a5ac5bbe02cc2ebee4d7", kill_on_drop: false }` [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Checking futures-io v0.3.29 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Compiling futures-task v0.3.29 [INFO] [stderr] Checking slab v0.4.9 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling syn v2.0.38 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Checking futures-sink v0.3.29 [INFO] [stderr] Compiling polling v2.8.0 [INFO] [stderr] Compiling rustix v0.37.27 [INFO] [stderr] Compiling async-io v1.13.0 [INFO] [stderr] Checking linux-raw-sys v0.3.8 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stderr] Checking concurrent-queue v2.3.0 [INFO] [stderr] Checking async-lock v2.8.0 [INFO] [stderr] Checking socket2 v0.4.10 [INFO] [stderr] Checking async-channel v1.9.0 [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::(|_| unreachable!()).unwrap(); [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 `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" "00a965cb02cdb46473778e8ea246558f62da321ec1f6a5ac5bbe02cc2ebee4d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00a965cb02cdb46473778e8ea246558f62da321ec1f6a5ac5bbe02cc2ebee4d7", kill_on_drop: false }` [INFO] [stdout] 00a965cb02cdb46473778e8ea246558f62da321ec1f6a5ac5bbe02cc2ebee4d7