[INFO] fetching crate seagulldoro 0.1.0... [INFO] checking seagulldoro-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate seagulldoro 0.1.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate seagulldoro 0.1.0 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 seagulldoro 0.1.0 [INFO] finished tweaking crates.io crate seagulldoro 0.1.0 [INFO] tweaked toml for crates.io crate seagulldoro 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate seagulldoro 0.1.0 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] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded fetch_unroll v0.2.2 [INFO] [stderr] Downloaded easy-parallel v3.1.0 [INFO] [stderr] Downloaded async-process v1.0.1 [INFO] [stderr] Downloaded ureq v1.5.4 [INFO] [stderr] Downloaded libflate_lz77 v1.0.0 [INFO] [stderr] Downloaded oboe v0.3.1 [INFO] [stderr] Downloaded libflate v1.0.3 [INFO] [stderr] Downloaded derivative v2.1.3 [INFO] [stderr] Downloaded clang-sys v1.0.3 [INFO] [stderr] Downloaded bytemuck v1.5.0 [INFO] [stderr] Downloaded async-net v1.5.0 [INFO] [stderr] Downloaded breadx v0.2.3 [INFO] [stderr] Downloaded log v0.4.13 [INFO] [stderr] Downloaded backtrace v0.3.55 [INFO] [stderr] Downloaded serde v1.0.119 [INFO] [stderr] Downloaded serde_json v1.0.61 [INFO] [stderr] Downloaded syn v1.0.58 [INFO] [stderr] Downloaded filetime v0.2.13 [INFO] [stderr] Downloaded cookie v0.14.3 [INFO] [stderr] Downloaded serde_derive v1.0.119 [INFO] [stderr] Downloaded standback v0.2.14 [INFO] [stderr] Downloaded time v0.2.24 [INFO] [stderr] Downloaded ref_slice v1.2.0 [INFO] [stderr] Downloaded cty v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1886acf36ff5702f3db616b66a80db25884397a18176b0e5077bc9b9fc954578 [INFO] running `Command { std: "docker" "start" "-a" "1886acf36ff5702f3db616b66a80db25884397a18176b0e5077bc9b9fc954578", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1886acf36ff5702f3db616b66a80db25884397a18176b0e5077bc9b9fc954578", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1886acf36ff5702f3db616b66a80db25884397a18176b0e5077bc9b9fc954578", kill_on_drop: false }` [INFO] [stdout] 1886acf36ff5702f3db616b66a80db25884397a18176b0e5077bc9b9fc954578 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8a1315a88ef488cceed376aa4459a95717a4792d2d43cf5f79c30915a15fa6f9 [INFO] running `Command { std: "docker" "start" "-a" "8a1315a88ef488cceed376aa4459a95717a4792d2d43cf5f79c30915a15fa6f9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking futures-core v0.3.12 [INFO] [stderr] Checking cache-padded v1.1.1 [INFO] [stderr] Checking pin-project-lite v0.2.4 [INFO] [stderr] Checking fastrand v1.4.0 [INFO] [stderr] Checking futures-io v0.3.12 [INFO] [stderr] Compiling log v0.4.13 [INFO] [stderr] Checking event-listener v2.5.1 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking async-task v4.0.3 [INFO] [stderr] Checking vec-arena v1.0.0 [INFO] [stderr] Compiling syn v1.0.58 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Checking atomic-waker v1.0.0 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling nix v0.15.0 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking ahash v0.4.7 [INFO] [stderr] Checking async-lock v2.3.0 [INFO] [stderr] Checking ttf-parser v0.6.2 [INFO] [stderr] Compiling anyhow v1.0.38 [INFO] [stderr] Compiling cpal v0.13.1 [INFO] [stderr] Checking tinyvec v1.1.0 [INFO] [stderr] Checking async-channel v1.5.1 [INFO] [stderr] Checking ref_slice v1.2.0 [INFO] [stderr] Checking bytemuck v1.5.0 [INFO] [stderr] Checking cty v0.2.1 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking ab_glyph_rasterizer v0.1.4 [INFO] [stderr] Checking easy-parallel v3.1.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling alsa-sys v0.3.1 [INFO] [stderr] Checking futures-lite v1.11.3 [INFO] [stderr] Checking owned_ttf_parser v0.6.0 [INFO] [stderr] Checking rusttype v0.9.2 [INFO] [stderr] Checking blocking v1.0.2 [INFO] [stderr] Checking async-executor v1.4.0 [INFO] [stderr] Checking approx v0.4.0 [INFO] [stderr] Checking nb-connect v1.0.2 [INFO] [stderr] Checking polling v2.0.2 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking nix v0.19.1 [INFO] [stderr] Checking async-fs v1.5.0 [INFO] [stderr] Checking async-io v1.3.1 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking async-net v1.5.0 [INFO] [stderr] Checking async-process v1.0.1 [INFO] [stderr] Checking smol v1.2.5 [INFO] [stderr] Checking alsa v0.4.3 [INFO] [stderr] Checking breadx v0.2.3 [INFO] [stderr] Compiling thiserror-impl v1.0.23 [INFO] [stderr] Checking thiserror v1.0.23 [INFO] [stderr] Checking seagulldoro v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Box` is imported redundantly [INFO] [stdout] --> src/main.rs:15:11 [INFO] [stdout] | [INFO] [stdout] 15 | use std::{boxed::Box, iter, mem, time::Duration}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Box` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Box` is imported redundantly [INFO] [stdout] --> src/main.rs:15:11 [INFO] [stdout] | [INFO] [stdout] 15 | use std::{boxed::Box, iter, mem, time::Duration}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Box` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.11s [INFO] running `Command { std: "docker" "inspect" "8a1315a88ef488cceed376aa4459a95717a4792d2d43cf5f79c30915a15fa6f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a1315a88ef488cceed376aa4459a95717a4792d2d43cf5f79c30915a15fa6f9", kill_on_drop: false }` [INFO] [stdout] 8a1315a88ef488cceed376aa4459a95717a4792d2d43cf5f79c30915a15fa6f9 [INFO] checking seagulldoro-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate seagulldoro 0.1.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate seagulldoro 0.1.0 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 seagulldoro 0.1.0 [INFO] finished tweaking crates.io crate seagulldoro 0.1.0 [INFO] tweaked toml for crates.io crate seagulldoro 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate seagulldoro 0.1.0 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1b3ed56028192b130bde3c14e5c290002c5625039666d2fa8a3b0236057d6983 [INFO] running `Command { std: "docker" "start" "-a" "1b3ed56028192b130bde3c14e5c290002c5625039666d2fa8a3b0236057d6983", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1b3ed56028192b130bde3c14e5c290002c5625039666d2fa8a3b0236057d6983", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b3ed56028192b130bde3c14e5c290002c5625039666d2fa8a3b0236057d6983", kill_on_drop: false }` [INFO] [stdout] 1b3ed56028192b130bde3c14e5c290002c5625039666d2fa8a3b0236057d6983 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0fbcaacffe53b81d1287aaabbec00c38317278ace80c547519d43c03183b3b30 [INFO] running `Command { std: "docker" "start" "-a" "0fbcaacffe53b81d1287aaabbec00c38317278ace80c547519d43c03183b3b30", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking cache-padded v1.1.1 [INFO] [stderr] Checking futures-core v0.3.12 [INFO] [stderr] Checking futures-io v0.3.12 [INFO] [stderr] Checking fastrand v1.4.0 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Checking pin-project-lite v0.2.4 [INFO] [stderr] Compiling log v0.4.13 [INFO] [stderr] Checking event-listener v2.5.1 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking async-task v4.0.3 [INFO] [stderr] Checking vec-arena v1.0.0 [INFO] [stderr] Compiling syn v1.0.58 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Checking atomic-waker v1.0.0 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling nix v0.15.0 [INFO] [stderr] Checking ttf-parser v0.6.2 [INFO] [stderr] Checking async-lock v2.3.0 [INFO] [stderr] Compiling cpal v0.13.1 [INFO] [stderr] Compiling anyhow v1.0.38 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking ahash v0.4.7 [INFO] [stderr] Checking tinyvec v1.1.0 [INFO] [stderr] Checking cty v0.2.1 [INFO] [stderr] Checking async-channel v1.5.1 [INFO] [stderr] Checking bytemuck v1.5.0 [INFO] [stderr] Checking ref_slice v1.2.0 [INFO] [stderr] Checking ab_glyph_rasterizer v0.1.4 [INFO] [stderr] Checking easy-parallel v3.1.0 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling alsa-sys v0.3.1 [INFO] [stderr] Checking futures-lite v1.11.3 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-lite-1.11.3/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] Checking owned_ttf_parser v0.6.0 [INFO] [stderr] Checking rusttype v0.9.2 [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] Checking polling v2.0.2 [INFO] [stderr] Checking nb-connect v1.0.2 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking nix v0.19.1 [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] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/signal-hook-registry-1.3.0/src/half_lock.rs:145:13 [INFO] [stdout] | [INFO] [stdout] 145 | unsafe { libc::abort() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type [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 `signal-hook-registry` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "0fbcaacffe53b81d1287aaabbec00c38317278ace80c547519d43c03183b3b30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0fbcaacffe53b81d1287aaabbec00c38317278ace80c547519d43c03183b3b30", kill_on_drop: false }` [INFO] [stdout] 0fbcaacffe53b81d1287aaabbec00c38317278ace80c547519d43c03183b3b30