[INFO] fetching crate task-executor 0.3.3... [INFO] checking task-executor-0.3.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate task-executor 0.3.3 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate task-executor 0.3.3 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 task-executor 0.3.3 [INFO] finished tweaking crates.io crate task-executor 0.3.3 [INFO] tweaked toml for crates.io crate task-executor 0.3.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 55 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding fastrand v1.9.0 (latest: v2.0.2) [INFO] [stderr] Adding futures-lite v1.13.0 (latest: v2.3.0) [INFO] [stderr] Adding queue-ext v0.3.0 (latest: v0.4.1) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [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 update_rate v2.0.1 [INFO] [stderr] Downloaded queue-ext v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c5af9111cf92ad29d8b96d93239bb7077ee2560dc44e6d4964ee0f3acee9059f [INFO] running `Command { std: "docker" "start" "-a" "c5af9111cf92ad29d8b96d93239bb7077ee2560dc44e6d4964ee0f3acee9059f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c5af9111cf92ad29d8b96d93239bb7077ee2560dc44e6d4964ee0f3acee9059f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5af9111cf92ad29d8b96d93239bb7077ee2560dc44e6d4964ee0f3acee9059f", kill_on_drop: false }` [INFO] [stdout] c5af9111cf92ad29d8b96d93239bb7077ee2560dc44e6d4964ee0f3acee9059f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a807d226752183c0af40a38634a05fdfbb548eed06d99f5b6ff066891f85ad1c [INFO] running `Command { std: "docker" "start" "-a" "a807d226752183c0af40a38634a05fdfbb548eed06d99f5b6ff066891f85ad1c", kill_on_drop: false }` [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Checking parking v2.2.0 [INFO] [stderr] Checking waker-fn v1.1.1 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stderr] Checking dashmap v5.5.3 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking queue-ext v0.3.0 [INFO] [stderr] Checking task-executor v0.3.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Unpin` is imported redundantly [INFO] [stdout] --> src/builder.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::marker::Unpin; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Unpin` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Unpin` is imported redundantly [INFO] [stdout] --> src/close.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::marker::Unpin; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Unpin` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Unpin` is imported redundantly [INFO] [stdout] --> src/exec.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::marker::Unpin; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Unpin` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Unpin` is imported redundantly [INFO] [stdout] --> src/flush.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::marker::Unpin; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Unpin` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Unpin` is imported redundantly [INFO] [stdout] --> src/local.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::marker::Unpin; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Unpin` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Unpin` is imported redundantly [INFO] [stdout] --> src/local_builder.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::marker::Unpin; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Unpin` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Unpin` is imported redundantly [INFO] [stdout] --> src/builder.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::marker::Unpin; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Unpin` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Unpin` is imported redundantly [INFO] [stdout] --> src/close.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::marker::Unpin; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Unpin` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Unpin` is imported redundantly [INFO] [stdout] --> src/exec.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::marker::Unpin; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Unpin` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Unpin` is imported redundantly [INFO] [stdout] --> src/flush.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::marker::Unpin; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Unpin` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Unpin` is imported redundantly [INFO] [stdout] --> src/local.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::marker::Unpin; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Unpin` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Unpin` is imported redundantly [INFO] [stdout] --> src/local_builder.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::marker::Unpin; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Unpin` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.50s [INFO] running `Command { std: "docker" "inspect" "a807d226752183c0af40a38634a05fdfbb548eed06d99f5b6ff066891f85ad1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a807d226752183c0af40a38634a05fdfbb548eed06d99f5b6ff066891f85ad1c", kill_on_drop: false }` [INFO] [stdout] a807d226752183c0af40a38634a05fdfbb548eed06d99f5b6ff066891f85ad1c [INFO] checking task-executor-0.3.3 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate task-executor 0.3.3 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate task-executor 0.3.3 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 task-executor 0.3.3 [INFO] finished tweaking crates.io crate task-executor 0.3.3 [INFO] tweaked toml for crates.io crate task-executor 0.3.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e11d92e12e3f543d66b287e9d37071c468d268e9b3ccadd121f0793b159f2159 [INFO] running `Command { std: "docker" "start" "-a" "e11d92e12e3f543d66b287e9d37071c468d268e9b3ccadd121f0793b159f2159", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e11d92e12e3f543d66b287e9d37071c468d268e9b3ccadd121f0793b159f2159", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e11d92e12e3f543d66b287e9d37071c468d268e9b3ccadd121f0793b159f2159", kill_on_drop: false }` [INFO] [stdout] e11d92e12e3f543d66b287e9d37071c468d268e9b3ccadd121f0793b159f2159 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4e800a63cbd11974692b18633c89666b68dd952e096104b486aba75b6414fccf [INFO] running `Command { std: "docker" "start" "-a" "4e800a63cbd11974692b18633c89666b68dd952e096104b486aba75b6414fccf", kill_on_drop: false }` [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Checking waker-fn v1.1.1 [INFO] [stderr] Checking parking v2.2.0 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stderr] Checking parking_lot v0.12.1 [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] [stderr] Checking dashmap v5.5.3 [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" "4e800a63cbd11974692b18633c89666b68dd952e096104b486aba75b6414fccf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e800a63cbd11974692b18633c89666b68dd952e096104b486aba75b6414fccf", kill_on_drop: false }` [INFO] [stdout] 4e800a63cbd11974692b18633c89666b68dd952e096104b486aba75b6414fccf