[INFO] fetching crate unsend 0.2.1... [INFO] checking unsend-0.2.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate unsend 0.2.1 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate unsend 0.2.1 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 unsend 0.2.1 [INFO] finished tweaking crates.io crate unsend 0.2.1 [INFO] tweaked toml for crates.io crate unsend 0.2.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate crates.io crate unsend 0.2.1 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] Downloading crates ... [INFO] [stderr] Downloaded waker-fn v1.1.0 [INFO] [stderr] Downloaded concurrent-queue v2.2.0 [INFO] [stderr] Downloaded parking v2.1.0 [INFO] [stderr] Downloaded async-channel v1.8.0 [INFO] [stderr] Downloaded blocking v1.3.1 [INFO] [stderr] Downloaded atomic-waker v1.1.1 [INFO] [stderr] Downloaded async-task v4.4.0 [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] 813b42692266c67e5ae4360dfbbaa66c6554cac8ea4d2df4328e081e94406ef8 [INFO] running `Command { std: "docker" "start" "-a" "813b42692266c67e5ae4360dfbbaa66c6554cac8ea4d2df4328e081e94406ef8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "813b42692266c67e5ae4360dfbbaa66c6554cac8ea4d2df4328e081e94406ef8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "813b42692266c67e5ae4360dfbbaa66c6554cac8ea4d2df4328e081e94406ef8", kill_on_drop: false }` [INFO] [stdout] 813b42692266c67e5ae4360dfbbaa66c6554cac8ea4d2df4328e081e94406ef8 [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] 8b6e9d6cee70600d02d0e10ede4f2033ee3269e7c70bdc01ff2242594ccbdec4 [INFO] running `Command { std: "docker" "start" "-a" "8b6e9d6cee70600d02d0e10ede4f2033ee3269e7c70bdc01ff2242594ccbdec4", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling libc v0.2.142 [INFO] [stderr] Compiling crossbeam-utils v0.8.15 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Checking parking v2.1.0 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Compiling io-lifetimes v1.0.10 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling rustix v0.37.15 [INFO] [stderr] Checking atomic-waker v1.1.1 [INFO] [stderr] Checking linux-raw-sys v0.3.4 [INFO] [stderr] Checking async-task v4.4.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking async-lock v2.7.0 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling polling v2.8.0 [INFO] [stderr] Compiling async-io v1.13.0 [INFO] [stderr] Checking concurrent-queue v2.2.0 [INFO] [stderr] Checking async-channel v1.8.0 [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stderr] Checking socket2 v0.4.9 [INFO] [stderr] Checking blocking v1.3.1 [INFO] [stderr] Checking unsend v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Future` is imported redundantly [INFO] [stdout] --> src/executor.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | use core::future::Future; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | use futures_lite::prelude::*; [INFO] [stdout] | ------------------------ the item `Future` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::sync::atomic` [INFO] [stdout] --> src/lib.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | pub use core::sync::atomic; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Future` is imported redundantly [INFO] [stdout] --> src/executor.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | use core::future::Future; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | use futures_lite::prelude::*; [INFO] [stdout] | ------------------------ the item `Future` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Context` is imported redundantly [INFO] [stdout] --> src/event.rs:635:21 [INFO] [stdout] | [INFO] [stdout] 630 | use super::*; [INFO] [stdout] | -------- the item `Context` is already imported here [INFO] [stdout] ... [INFO] [stdout] 635 | use std::task::{Context, Wake, Waker}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Waker` is imported redundantly [INFO] [stdout] --> src/event.rs:635:36 [INFO] [stdout] | [INFO] [stdout] 630 | use super::*; [INFO] [stdout] | -------- the item `Waker` is already imported here [INFO] [stdout] ... [INFO] [stdout] 635 | use std::task::{Context, Wake, Waker}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::sync::atomic` [INFO] [stdout] --> src/lib.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | pub use core::sync::atomic; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.93s [INFO] running `Command { std: "docker" "inspect" "8b6e9d6cee70600d02d0e10ede4f2033ee3269e7c70bdc01ff2242594ccbdec4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b6e9d6cee70600d02d0e10ede4f2033ee3269e7c70bdc01ff2242594ccbdec4", kill_on_drop: false }` [INFO] [stdout] 8b6e9d6cee70600d02d0e10ede4f2033ee3269e7c70bdc01ff2242594ccbdec4 [INFO] checking unsend-0.2.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate unsend 0.2.1 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate unsend 0.2.1 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 unsend 0.2.1 [INFO] finished tweaking crates.io crate unsend 0.2.1 [INFO] tweaked toml for crates.io crate unsend 0.2.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate unsend 0.2.1 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] 00a135323db6360a0377b258f33f85c55265acfcb935cc18adceb53f72aa68ac [INFO] running `Command { std: "docker" "start" "-a" "00a135323db6360a0377b258f33f85c55265acfcb935cc18adceb53f72aa68ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "00a135323db6360a0377b258f33f85c55265acfcb935cc18adceb53f72aa68ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00a135323db6360a0377b258f33f85c55265acfcb935cc18adceb53f72aa68ac", kill_on_drop: false }` [INFO] [stdout] 00a135323db6360a0377b258f33f85c55265acfcb935cc18adceb53f72aa68ac [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] 119f09816a6201a1634ba62e04ab771392e2d761a3a3a585f9e5ffa493742673 [INFO] running `Command { std: "docker" "start" "-a" "119f09816a6201a1634ba62e04ab771392e2d761a3a3a585f9e5ffa493742673", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.142 [INFO] [stderr] Compiling crossbeam-utils v0.8.15 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking parking v2.1.0 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling io-lifetimes v1.0.10 [INFO] [stderr] Compiling rustix v0.37.15 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking linux-raw-sys v0.3.4 [INFO] [stderr] Checking async-task v4.4.0 [INFO] [stderr] Checking atomic-waker v1.1.1 [INFO] [stderr] Checking async-lock v2.7.0 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling polling v2.8.0 [INFO] [stderr] Compiling async-io v1.13.0 [INFO] [stderr] Checking concurrent-queue v2.2.0 [INFO] [stderr] Checking async-channel v1.8.0 [INFO] [stderr] Checking futures-lite v1.13.0 [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" "119f09816a6201a1634ba62e04ab771392e2d761a3a3a585f9e5ffa493742673", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "119f09816a6201a1634ba62e04ab771392e2d761a3a3a585f9e5ffa493742673", kill_on_drop: false }` [INFO] [stdout] 119f09816a6201a1634ba62e04ab771392e2d761a3a3a585f9e5ffa493742673