[INFO] fetching crate rust-chat 0.1.4... [INFO] checking rust-chat-0.1.4 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate rust-chat 0.1.4 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate rust-chat 0.1.4 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 rust-chat 0.1.4 [INFO] finished tweaking crates.io crate rust-chat 0.1.4 [INFO] tweaked toml for crates.io crate rust-chat 0.1.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate rust-chat 0.1.4 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 zvariant_derive v3.1.2 [INFO] [stderr] Downloaded async-broadcast v0.3.4 [INFO] [stderr] Downloaded zbus_names v2.1.0 [INFO] [stderr] Downloaded easy-parallel v3.2.0 [INFO] [stderr] Downloaded zbus_macros v2.1.1 [INFO] [stderr] Downloaded enumflags2_derive v0.7.3 [INFO] [stderr] Downloaded async-task v4.1.0 [INFO] [stderr] Downloaded enumflags2 v0.7.3 [INFO] [stderr] Downloaded signal-hook-mio v0.2.1 [INFO] [stderr] Downloaded winrt-notification v0.5.1 [INFO] [stderr] Downloaded crossterm v0.23.0 [INFO] [stderr] Downloaded zvariant v3.1.2 [INFO] [stderr] Downloaded notify-rust v4.5.6 [INFO] [stderr] Downloaded zbus v2.1.1 [INFO] [stderr] Downloaded windows_x86_64_gnu v0.24.0 [INFO] [stderr] Downloaded windows_i686_gnu v0.24.0 [INFO] [stderr] Downloaded windows_i686_msvc v0.24.0 [INFO] [stderr] Downloaded windows_x86_64_msvc v0.24.0 [INFO] [stderr] Downloaded windows v0.24.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f5873dd1eca4990eb761a3a16def5dceb9dda690adff53c94bb79f14c5a12ed8 [INFO] running `Command { std: "docker" "start" "-a" "f5873dd1eca4990eb761a3a16def5dceb9dda690adff53c94bb79f14c5a12ed8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f5873dd1eca4990eb761a3a16def5dceb9dda690adff53c94bb79f14c5a12ed8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5873dd1eca4990eb761a3a16def5dceb9dda690adff53c94bb79f14c5a12ed8", kill_on_drop: false }` [INFO] [stdout] f5873dd1eca4990eb761a3a16def5dceb9dda690adff53c94bb79f14c5a12ed8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 44174d8f6bc603400b14d9e3d10ae23786ded5d6b47a6b799419b2d3e465fe0a [INFO] running `Command { std: "docker" "start" "-a" "44174d8f6bc603400b14d9e3d10ae23786ded5d6b47a6b799419b2d3e465fe0a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Checking cache-padded v1.2.0 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Checking event-listener v2.5.2 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Checking fastrand v1.7.0 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Compiling parking_lot_core v0.9.1 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Compiling signal-hook v0.3.13 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling async-trait v0.1.52 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking easy-parallel v3.2.0 [INFO] [stderr] Checking async-task v4.1.0 [INFO] [stderr] Checking sha1_smol v1.0.0 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Checking lock_api v0.4.6 [INFO] [stderr] Checking async-broadcast v0.3.4 [INFO] [stderr] Checking ordered-stream v0.0.1 [INFO] [stderr] Checking sha1 v0.6.1 [INFO] [stderr] Checking async-channel v1.6.1 [INFO] [stderr] Checking async-lock v2.5.0 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Checking futures-lite v1.12.0 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking async-executor v1.4.1 [INFO] [stderr] Checking getrandom v0.2.5 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking polling v2.2.0 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking nix v0.23.1 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking parking_lot v0.12.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking async-io v1.6.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking signal-hook-mio v0.2.1 [INFO] [stderr] Checking crossterm v0.23.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling enumflags2_derive v0.7.3 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling serde_repr v0.1.7 [INFO] [stderr] Compiling async-recursion v0.3.2 [INFO] [stderr] Compiling thiserror v1.0.30 [INFO] [stderr] Compiling proc-macro-crate v1.1.3 [INFO] [stderr] Compiling zvariant_derive v3.1.2 [INFO] [stderr] Compiling zbus_macros v2.1.1 [INFO] [stderr] Checking enumflags2 v0.7.3 [INFO] [stderr] Checking zvariant v3.1.2 [INFO] [stderr] Checking zbus_names v2.1.0 [INFO] [stderr] Checking zbus v2.1.1 [INFO] [stderr] Checking notify-rust v4.5.6 [INFO] [stderr] Checking rust-chat v0.1.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.89s [INFO] running `Command { std: "docker" "inspect" "44174d8f6bc603400b14d9e3d10ae23786ded5d6b47a6b799419b2d3e465fe0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44174d8f6bc603400b14d9e3d10ae23786ded5d6b47a6b799419b2d3e465fe0a", kill_on_drop: false }` [INFO] [stdout] 44174d8f6bc603400b14d9e3d10ae23786ded5d6b47a6b799419b2d3e465fe0a [INFO] checking rust-chat-0.1.4 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate rust-chat 0.1.4 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate rust-chat 0.1.4 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 rust-chat 0.1.4 [INFO] finished tweaking crates.io crate rust-chat 0.1.4 [INFO] tweaked toml for crates.io crate rust-chat 0.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate rust-chat 0.1.4 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 21261f4ccd1085aa3027693bbbbd2c377a1104b74ec78afb83fb666ba6e66cef [INFO] running `Command { std: "docker" "start" "-a" "21261f4ccd1085aa3027693bbbbd2c377a1104b74ec78afb83fb666ba6e66cef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "21261f4ccd1085aa3027693bbbbd2c377a1104b74ec78afb83fb666ba6e66cef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21261f4ccd1085aa3027693bbbbd2c377a1104b74ec78afb83fb666ba6e66cef", kill_on_drop: false }` [INFO] [stdout] 21261f4ccd1085aa3027693bbbbd2c377a1104b74ec78afb83fb666ba6e66cef [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 527e7fb50daeb3ecc44d07e35f57ba494bd5928d0400088aa8113b59da4d9ce5 [INFO] running `Command { std: "docker" "start" "-a" "527e7fb50daeb3ecc44d07e35f57ba494bd5928d0400088aa8113b59da4d9ce5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Checking cache-padded v1.2.0 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Checking fastrand v1.7.0 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Checking event-listener v2.5.2 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling async-trait v0.1.52 [INFO] [stderr] Compiling parking_lot_core v0.9.1 [INFO] [stderr] Compiling signal-hook v0.3.13 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Checking async-task v4.1.0 [INFO] [stderr] Checking sha1_smol v1.0.0 [INFO] [stderr] Checking easy-parallel v3.2.0 [INFO] [stderr] Checking lock_api v0.4.6 [INFO] [stderr] Checking ordered-stream v0.0.1 [INFO] [stderr] Checking async-broadcast v0.3.4 [INFO] [stderr] Checking async-channel v1.6.1 [INFO] [stderr] Checking async-lock v2.5.0 [INFO] [stderr] Checking sha1 v0.6.1 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Checking futures-lite v1.12.0 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-lite-1.12.0/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" "527e7fb50daeb3ecc44d07e35f57ba494bd5928d0400088aa8113b59da4d9ce5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "527e7fb50daeb3ecc44d07e35f57ba494bd5928d0400088aa8113b59da4d9ce5", kill_on_drop: false }` [INFO] [stdout] 527e7fb50daeb3ecc44d07e35f57ba494bd5928d0400088aa8113b59da4d9ce5