[INFO] fetching crate single_executor 0.4.1... [INFO] checking single_executor-0.4.1 against master#16b569057e4d1591b4bee05f10df34000308dedc for pr-127827 [INFO] extracting crate single_executor 0.4.1 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate single_executor 0.4.1 on toolchain 16b569057e4d1591b4bee05f10df34000308dedc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate single_executor 0.4.1 [INFO] finished tweaking crates.io crate single_executor 0.4.1 [INFO] tweaked toml for crates.io crate single_executor 0.4.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 17 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded concurrency_traits v0.7.2 [INFO] [stderr] Downloaded atomic_swapping v0.1.0 [INFO] [stderr] Downloaded simple_futures v0.1.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 64f54c971efb2a8be85f18970d8a3aac13d4001128205187e418165aedaea945 [INFO] running `Command { std: "docker" "start" "-a" "64f54c971efb2a8be85f18970d8a3aac13d4001128205187e418165aedaea945", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "64f54c971efb2a8be85f18970d8a3aac13d4001128205187e418165aedaea945", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64f54c971efb2a8be85f18970d8a3aac13d4001128205187e418165aedaea945", kill_on_drop: false }` [INFO] [stdout] 64f54c971efb2a8be85f18970d8a3aac13d4001128205187e418165aedaea945 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cfa81f899c329d310a382159bd5a5aa426c9f709cc4088a4097dbad7f12dee39 [INFO] running `Command { std: "docker" "start" "-a" "cfa81f899c329d310a382159bd5a5aa426c9f709cc4088a4097dbad7f12dee39", kill_on_drop: false }` [INFO] [stderr] Checking atomic_swapping v0.1.0 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.6 [INFO] [stderr] Compiling syn v2.0.72 [INFO] [stderr] Checking simple_futures v0.1.2 [INFO] [stderr] Checking num-rational v0.4.2 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking num v0.4.3 [INFO] [stderr] Compiling async-trait v0.1.81 [INFO] [stderr] Checking concurrency_traits v0.7.2 [INFO] [stderr] Checking single_executor v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait `EnsureSend` is never used [INFO] [stdout] --> src/lib.rs:34:7 [INFO] [stdout] | [INFO] [stdout] 34 | trait EnsureSend: Send {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `EnsureSync` is never used [INFO] [stdout] --> src/lib.rs:35:7 [INFO] [stdout] | [INFO] [stdout] 35 | trait EnsureSync: Sync {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `EnsureSend` is never used [INFO] [stdout] --> src/lib.rs:34:7 [INFO] [stdout] | [INFO] [stdout] 34 | trait EnsureSend: Send {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `EnsureSync` is never used [INFO] [stdout] --> src/lib.rs:35:7 [INFO] [stdout] | [INFO] [stdout] 35 | trait EnsureSync: Sync {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.17s [INFO] running `Command { std: "docker" "inspect" "cfa81f899c329d310a382159bd5a5aa426c9f709cc4088a4097dbad7f12dee39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cfa81f899c329d310a382159bd5a5aa426c9f709cc4088a4097dbad7f12dee39", kill_on_drop: false }` [INFO] [stdout] cfa81f899c329d310a382159bd5a5aa426c9f709cc4088a4097dbad7f12dee39 [INFO] checking single_executor-0.4.1 against try#8a6640bd72b80869b16392026cb3aa8ce8e3f9b7 for pr-127827 [INFO] extracting crate single_executor 0.4.1 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate single_executor 0.4.1 on toolchain 8a6640bd72b80869b16392026cb3aa8ce8e3f9b7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a6640bd72b80869b16392026cb3aa8ce8e3f9b7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate single_executor 0.4.1 [INFO] finished tweaking crates.io crate single_executor 0.4.1 [INFO] tweaked toml for crates.io crate single_executor 0.4.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a6640bd72b80869b16392026cb3aa8ce8e3f9b7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 17 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a6640bd72b80869b16392026cb3aa8ce8e3f9b7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+8a6640bd72b80869b16392026cb3aa8ce8e3f9b7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3e38949b543810cf288c7f3540a27196bb36ccb841a8359b574820119141a7df [INFO] running `Command { std: "docker" "start" "-a" "3e38949b543810cf288c7f3540a27196bb36ccb841a8359b574820119141a7df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3e38949b543810cf288c7f3540a27196bb36ccb841a8359b574820119141a7df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e38949b543810cf288c7f3540a27196bb36ccb841a8359b574820119141a7df", kill_on_drop: false }` [INFO] [stdout] 3e38949b543810cf288c7f3540a27196bb36ccb841a8359b574820119141a7df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+8a6640bd72b80869b16392026cb3aa8ce8e3f9b7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 25adcccfcc57a58efc30b32b94a252fff4cfaed032de5ffa27515d5ed5dbda13 [INFO] running `Command { std: "docker" "start" "-a" "25adcccfcc57a58efc30b32b94a252fff4cfaed032de5ffa27515d5ed5dbda13", kill_on_drop: false }` [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.6 [INFO] [stderr] Checking atomic_swapping v0.1.0 [INFO] [stderr] Compiling syn v2.0.72 [INFO] [stderr] Checking simple_futures v0.1.2 [INFO] [stderr] Checking num-rational v0.4.2 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking num v0.4.3 [INFO] [stderr] Compiling async-trait v0.1.81 [INFO] [stderr] Checking concurrency_traits v0.7.2 [INFO] [stderr] Checking single_executor v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait `EnsureSend` is never used [INFO] [stdout] --> src/lib.rs:34:7 [INFO] [stdout] | [INFO] [stdout] 34 | trait EnsureSend: Send {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `EnsureSync` is never used [INFO] [stdout] --> src/lib.rs:35:7 [INFO] [stdout] | [INFO] [stdout] 35 | trait EnsureSync: Sync {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0382]: use of moved value: `loop_function` [INFO] [stdout] --> src/lib.rs:377:17 [INFO] [stdout] | [INFO] [stdout] 369 | let loop_function = |atom_count: Rc| async move { [INFO] [stdout] | ------------- move occurs because `loop_function` has type `{async closure@src/lib.rs:369:29: 369:58}`, which does not implement the `Copy` trait [INFO] [stdout] ... [INFO] [stdout] 373 | for _ in 0..100 { [INFO] [stdout] | --------------- inside of this loop [INFO] [stdout] ... [INFO] [stdout] 377 | move || { [INFO] [stdout] | ^^^^^^^ value moved into closure here, in previous iteration of loop [INFO] [stdout] 378 | let atom_count = atom_count.clone(); [INFO] [stdout] 379 | loop_function(atom_count) [INFO] [stdout] | ------------- use occurs due to use in closure [INFO] [stdout] | [INFO] [stdout] help: consider moving the expression out of the loop so it is only moved once [INFO] [stdout] | [INFO] [stdout] 373 ~ let mut value = loop_function(atom_count); [INFO] [stdout] 374 ~ for _ in 0..100 { [INFO] [stdout] 375 | let atom_count = Rc::new(AtomicIsize::new(0)); [INFO] [stdout] ... [INFO] [stdout] 379 | let atom_count = atom_count.clone(); [INFO] [stdout] 380 ~ value [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 E0382`. [INFO] [stdout] [INFO] [stderr] error: could not compile `single_executor` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "25adcccfcc57a58efc30b32b94a252fff4cfaed032de5ffa27515d5ed5dbda13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25adcccfcc57a58efc30b32b94a252fff4cfaed032de5ffa27515d5ed5dbda13", kill_on_drop: false }` [INFO] [stdout] 25adcccfcc57a58efc30b32b94a252fff4cfaed032de5ffa27515d5ed5dbda13