[INFO] cloning repository https://github.com/PowerSnail/countdown [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PowerSnail/countdown" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPowerSnail%2Fcountdown", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPowerSnail%2Fcountdown'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d8da3fe5f59aaf57a6d3f096c14af8a1cae13629 [INFO] checking PowerSnail/countdown against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPowerSnail%2Fcountdown" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PowerSnail/countdown 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 git repo https://github.com/PowerSnail/countdown [INFO] finished tweaking git repo https://github.com/PowerSnail/countdown [INFO] tweaked toml for git repo https://github.com/PowerSnail/countdown written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/PowerSnail/countdown 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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded zvariant_derive v3.4.1 [INFO] [stderr] Downloaded zbus_macros v2.3.2 [INFO] [stderr] Downloaded notify-rust v4.5.8 [INFO] [stderr] Downloaded strum v0.22.0 [INFO] [stderr] Downloaded async-broadcast v0.4.0 [INFO] [stderr] Downloaded serde_repr v0.1.8 [INFO] [stderr] Downloaded mac-notification-sys v0.5.2 [INFO] [stderr] Downloaded strum_macros v0.22.0 [INFO] [stderr] Downloaded async-io v1.7.0 [INFO] [stderr] Downloaded winrt-notification v0.5.1 [INFO] [stderr] Downloaded zvariant v3.4.1 [INFO] [stderr] Downloaded zbus v2.3.2 [INFO] [stderr] Downloaded windows_x86_64_msvc 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_gnu v0.24.0 [INFO] [stderr] Downloaded windows v0.24.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 79ff769c98a50585563d0640fcc86fcbfc240851ef3825637a0386d51c072e2b [INFO] running `Command { std: "docker" "start" "-a" "79ff769c98a50585563d0640fcc86fcbfc240851ef3825637a0386d51c072e2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "79ff769c98a50585563d0640fcc86fcbfc240851ef3825637a0386d51c072e2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79ff769c98a50585563d0640fcc86fcbfc240851ef3825637a0386d51c072e2b", kill_on_drop: false }` [INFO] [stdout] 79ff769c98a50585563d0640fcc86fcbfc240851ef3825637a0386d51c072e2b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4577327af27017a73b802686bcaa0a38ba866eb77acdd090bb707b3e3fc325aa [INFO] running `Command { std: "docker" "start" "-a" "4577327af27017a73b802686bcaa0a38ba866eb77acdd090bb707b3e3fc325aa", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling serde v1.0.138 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling serde_derive v1.0.138 [INFO] [stderr] Checking once_cell v1.13.0 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Checking cache-padded v1.2.0 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Checking event-listener v2.5.2 [INFO] [stderr] Checking fastrand v1.7.0 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling async-trait v0.1.56 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Compiling regex-syntax v0.6.27 [INFO] [stderr] Checking tracing-core v0.1.28 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Checking easy-parallel v3.2.0 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Checking async-task v4.3.0 [INFO] [stderr] Checking sha1_smol v1.0.0 [INFO] [stderr] Checking async-channel v1.6.1 [INFO] [stderr] Checking ordered-stream v0.0.1 [INFO] [stderr] Checking async-lock v2.5.0 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Checking os_str_bytes v6.1.0 [INFO] [stderr] Checking hashbrown v0.12.1 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking sha1 v0.6.1 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking futures-lite v1.12.0 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking async-executor v1.4.1 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking polling v2.2.0 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking dirs-sys v0.3.7 [INFO] [stderr] Checking nix v0.23.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs v4.0.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking async-io v1.7.0 [INFO] [stderr] Compiling regex v1.6.0 [INFO] [stderr] Checking async-broadcast v0.4.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling toml v0.5.9 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Compiling enumflags2_derive v0.7.4 [INFO] [stderr] Compiling tracing-attributes v0.1.22 [INFO] [stderr] Compiling serde_repr v0.1.8 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling async-recursion v0.3.2 [INFO] [stderr] Compiling clap_derive v3.2.7 [INFO] [stderr] Compiling thiserror v1.0.31 [INFO] [stderr] Compiling proc-macro-crate v1.1.3 [INFO] [stderr] Checking tracing v0.1.35 [INFO] [stderr] Compiling zvariant_derive v3.4.1 [INFO] [stderr] Compiling zbus_macros v2.3.2 [INFO] [stderr] Checking clap v3.2.8 [INFO] [stderr] Checking enumflags2 v0.7.5 [INFO] [stderr] Checking zvariant v3.4.1 [INFO] [stderr] Checking zbus_names v2.1.0 [INFO] [stderr] Checking zbus v2.3.2 [INFO] [stderr] Checking notify-rust v4.5.8 [INFO] [stderr] Checking snail-countdown v1.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.27s [INFO] running `Command { std: "docker" "inspect" "4577327af27017a73b802686bcaa0a38ba866eb77acdd090bb707b3e3fc325aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4577327af27017a73b802686bcaa0a38ba866eb77acdd090bb707b3e3fc325aa", kill_on_drop: false }` [INFO] [stdout] 4577327af27017a73b802686bcaa0a38ba866eb77acdd090bb707b3e3fc325aa [INFO] checking PowerSnail/countdown against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPowerSnail%2Fcountdown" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PowerSnail/countdown 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 git repo https://github.com/PowerSnail/countdown [INFO] finished tweaking git repo https://github.com/PowerSnail/countdown [INFO] tweaked toml for git repo https://github.com/PowerSnail/countdown written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/PowerSnail/countdown 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b20660bf7c632ad901b72a0f78c75bd283f6f916c6c1fac22c5d046504c67d1c [INFO] running `Command { std: "docker" "start" "-a" "b20660bf7c632ad901b72a0f78c75bd283f6f916c6c1fac22c5d046504c67d1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b20660bf7c632ad901b72a0f78c75bd283f6f916c6c1fac22c5d046504c67d1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b20660bf7c632ad901b72a0f78c75bd283f6f916c6c1fac22c5d046504c67d1c", kill_on_drop: false }` [INFO] [stdout] b20660bf7c632ad901b72a0f78c75bd283f6f916c6c1fac22c5d046504c67d1c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] bb19e9cf3db1c53bd996c155a3da973ef46a5a75ecb12cc8d2bc59134e331fd4 [INFO] running `Command { std: "docker" "start" "-a" "bb19e9cf3db1c53bd996c155a3da973ef46a5a75ecb12cc8d2bc59134e331fd4", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling serde v1.0.138 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling serde_derive v1.0.138 [INFO] [stderr] Checking once_cell v1.13.0 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Checking cache-padded v1.2.0 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking event-listener v2.5.2 [INFO] [stderr] Checking fastrand v1.7.0 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling async-trait v0.1.56 [INFO] [stderr] Compiling regex-syntax v0.6.27 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking tracing-core v0.1.28 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Checking sha1_smol v1.0.0 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Checking easy-parallel v3.2.0 [INFO] [stderr] Checking async-task v4.3.0 [INFO] [stderr] Checking ordered-stream v0.0.1 [INFO] [stderr] Checking async-channel v1.6.1 [INFO] [stderr] Checking sha1 v0.6.1 [INFO] [stderr] Checking async-lock v2.5.0 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking os_str_bytes v6.1.0 [INFO] [stderr] Checking hashbrown v0.12.1 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Checking futures-lite v1.12.0 [INFO] [stderr] Checking clap_lex v0.2.4 [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] [stderr] Compiling proc-macro-error-attr v1.0.4 [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" "bb19e9cf3db1c53bd996c155a3da973ef46a5a75ecb12cc8d2bc59134e331fd4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb19e9cf3db1c53bd996c155a3da973ef46a5a75ecb12cc8d2bc59134e331fd4", kill_on_drop: false }` [INFO] [stdout] bb19e9cf3db1c53bd996c155a3da973ef46a5a75ecb12cc8d2bc59134e331fd4