[INFO] fetching crate uringy 0.5.0... [INFO] checking uringy-0.5.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate uringy 0.5.0 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate uringy 0.5.0 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 uringy 0.5.0 [INFO] finished tweaking crates.io crate uringy 0.5.0 [INFO] tweaked toml for crates.io crate uringy 0.5.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate crates.io crate uringy 0.5.0 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] Downloading crates ... [INFO] [stderr] Downloaded uringy-macros v0.2.0 [INFO] [stderr] Downloaded io-uring v0.6.1 [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] d9c992ccfe4458ea4b674a3b0115b971bf9b6ae823a2c49d0a8df68dcc4e2ca0 [INFO] running `Command { std: "docker" "start" "-a" "d9c992ccfe4458ea4b674a3b0115b971bf9b6ae823a2c49d0a8df68dcc4e2ca0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d9c992ccfe4458ea4b674a3b0115b971bf9b6ae823a2c49d0a8df68dcc4e2ca0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9c992ccfe4458ea4b674a3b0115b971bf9b6ae823a2c49d0a8df68dcc4e2ca0", kill_on_drop: false }` [INFO] [stdout] d9c992ccfe4458ea4b674a3b0115b971bf9b6ae823a2c49d0a8df68dcc4e2ca0 [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] fd0cbb634971b15e7539deebbff6280a8e25c116bce13f52544889c869ca8ac5 [INFO] running `Command { std: "docker" "start" "-a" "fd0cbb634971b15e7539deebbff6280a8e25c116bce13f52544889c869ca8ac5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling io-uring v0.6.1 [INFO] [stderr] Checking cache-padded v1.3.0 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.29 [INFO] [stderr] Compiling uringy-macros v0.2.0 [INFO] [stderr] Checking uringy v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::time` [INFO] [stdout] --> src/runtime/mod.rs:577:9 [INFO] [stdout] | [INFO] [stdout] 577 | use crate::time; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Duration`, `Instant` [INFO] [stdout] --> src/runtime/mod.rs:579:21 [INFO] [stdout] | [INFO] [stdout] 579 | use std::time::{Duration, Instant}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Duration` is imported redundantly [INFO] [stdout] --> src/runtime/mod.rs:583:13 [INFO] [stdout] | [INFO] [stdout] 582 | use super::*; [INFO] [stdout] | -------- the item `Duration` is already imported here [INFO] [stdout] 583 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.86s [INFO] running `Command { std: "docker" "inspect" "fd0cbb634971b15e7539deebbff6280a8e25c116bce13f52544889c869ca8ac5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd0cbb634971b15e7539deebbff6280a8e25c116bce13f52544889c869ca8ac5", kill_on_drop: false }` [INFO] [stdout] fd0cbb634971b15e7539deebbff6280a8e25c116bce13f52544889c869ca8ac5 [INFO] checking uringy-0.5.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate uringy 0.5.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate uringy 0.5.0 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 uringy 0.5.0 [INFO] finished tweaking crates.io crate uringy 0.5.0 [INFO] tweaked toml for crates.io crate uringy 0.5.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate uringy 0.5.0 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-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] 05bf1f3f0f79a7ddcb9596b99b20ed375e81dc9533f818909f7e326e8f6192c6 [INFO] running `Command { std: "docker" "start" "-a" "05bf1f3f0f79a7ddcb9596b99b20ed375e81dc9533f818909f7e326e8f6192c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "05bf1f3f0f79a7ddcb9596b99b20ed375e81dc9533f818909f7e326e8f6192c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "05bf1f3f0f79a7ddcb9596b99b20ed375e81dc9533f818909f7e326e8f6192c6", kill_on_drop: false }` [INFO] [stdout] 05bf1f3f0f79a7ddcb9596b99b20ed375e81dc9533f818909f7e326e8f6192c6 [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] 6ab7399e18db0d111f14b1af35eb2bcfd5396eca4357c51067f336a89299f12a [INFO] running `Command { std: "docker" "start" "-a" "6ab7399e18db0d111f14b1af35eb2bcfd5396eca4357c51067f336a89299f12a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling io-uring v0.6.1 [INFO] [stderr] Checking cache-padded v1.3.0 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.29 [INFO] [stderr] Compiling uringy-macros v0.2.0 [INFO] [stderr] Checking uringy v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::time` [INFO] [stdout] --> src/runtime/mod.rs:577:9 [INFO] [stdout] | [INFO] [stdout] 577 | use crate::time; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Duration`, `Instant` [INFO] [stdout] --> src/runtime/mod.rs:579:21 [INFO] [stdout] | [INFO] [stdout] 579 | use std::time::{Duration, Instant}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Duration` is imported redundantly [INFO] [stdout] --> src/runtime/mod.rs:583:13 [INFO] [stdout] | [INFO] [stdout] 582 | use super::*; [INFO] [stdout] | -------- the item `Duration` is already imported here [INFO] [stdout] 583 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed for `Result<_, Box>` [INFO] [stdout] --> src/runtime/mod.rs:594:17 [INFO] [stdout] | [INFO] [stdout] 594 | let result = start(|| panic!("oops")); [INFO] [stdout] | ^^^^^^ ------------------------ type must be known at this point [INFO] [stdout] | [INFO] [stdout] help: consider giving `result` an explicit type, where the type for type parameter `T` is specified [INFO] [stdout] | [INFO] [stdout] 594 | let result: Result<_, Box> = start(|| panic!("oops")); [INFO] [stdout] | +++++++++++++++++++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed for `Result<_, Box>` [INFO] [stdout] --> src/runtime/mod.rs:662:21 [INFO] [stdout] | [INFO] [stdout] 662 | let result = contain(|| panic!("oops")); [INFO] [stdout] | ^^^^^^ -------------------------- type must be known at this point [INFO] [stdout] | [INFO] [stdout] help: consider giving `result` an explicit type, where the type for type parameter `T` is specified [INFO] [stdout] | [INFO] [stdout] 662 | let result: Result<_, Box> = contain(|| panic!("oops")); [INFO] [stdout] | +++++++++++++++++++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed for `Result>` [INFO] [stdout] --> src/runtime/mod.rs:743:21 [INFO] [stdout] | [INFO] [stdout] 743 | let result = spawn(|| panic!("oops")).join(); [INFO] [stdout] | ^^^^^^ ------------------------ type must be known at this point [INFO] [stdout] | [INFO] [stdout] help: consider giving `result` an explicit type, where the type for type parameter `T` is specified [INFO] [stdout] | [INFO] [stdout] 743 | let result: Result> = spawn(|| panic!("oops")).join(); [INFO] [stdout] | +++++++++++++++++++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed for `runtime::JoinHandle<_>` [INFO] [stdout] --> src/runtime/mod.rs:847:25 [INFO] [stdout] | [INFO] [stdout] 847 | let handle = spawn(|| { [INFO] [stdout] | _________________________^^^^^^___- [INFO] [stdout] 848 | | // Propagates to children [INFO] [stdout] 849 | | spawn(|| unsafe { [INFO] [stdout] 850 | | dbg!(is_cancelled()); [INFO] [stdout] ... | [INFO] [stdout] 854 | | panic!("oops"); [INFO] [stdout] 855 | | }); [INFO] [stdout] | |______________________- type must be known at this point [INFO] [stdout] | [INFO] [stdout] help: consider giving `handle` an explicit type, where the type for type parameter `T` is specified [INFO] [stdout] | [INFO] [stdout] 847 | let handle: runtime::JoinHandle<_> = spawn(|| { [INFO] [stdout] | ++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `uringy` (lib test) due to 5 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "6ab7399e18db0d111f14b1af35eb2bcfd5396eca4357c51067f336a89299f12a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ab7399e18db0d111f14b1af35eb2bcfd5396eca4357c51067f336a89299f12a", kill_on_drop: false }` [INFO] [stdout] 6ab7399e18db0d111f14b1af35eb2bcfd5396eca4357c51067f336a89299f12a