[INFO] fetching crate schedwalk 0.1.0... [INFO] testing schedwalk-0.1.0 against 1.83.0 for beta-1.84.0-4 [INFO] extracting crate schedwalk 0.1.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate schedwalk 0.1.0 on toolchain 1.83.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate schedwalk 0.1.0 [INFO] finished tweaking crates.io crate schedwalk 0.1.0 [INFO] tweaked toml for crates.io crate schedwalk 0.1.0 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" "+1.83.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 19 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5112bc14424c73a91048bbafe616cc22abd550216e07e7635b1d3bc9f977eff1 [INFO] running `Command { std: "docker" "start" "-a" "5112bc14424c73a91048bbafe616cc22abd550216e07e7635b1d3bc9f977eff1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5112bc14424c73a91048bbafe616cc22abd550216e07e7635b1d3bc9f977eff1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5112bc14424c73a91048bbafe616cc22abd550216e07e7635b1d3bc9f977eff1", kill_on_drop: false }` [INFO] [stdout] 5112bc14424c73a91048bbafe616cc22abd550216e07e7635b1d3bc9f977eff1 [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e1e74c6d19321437258426f50776663f235d7e65ba0a5a5d4773d271ad0bf54a [INFO] running `Command { std: "docker" "start" "-a" "e1e74c6d19321437258426f50776663f235d7e65ba0a5a5d4773d271ad0bf54a", kill_on_drop: false }` [INFO] [stderr] Compiling async-task v4.7.1 [INFO] [stderr] Compiling schedwalk v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.51s [INFO] running `Command { std: "docker" "inspect" "e1e74c6d19321437258426f50776663f235d7e65ba0a5a5d4773d271ad0bf54a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1e74c6d19321437258426f50776663f235d7e65ba0a5a5d4773d271ad0bf54a", kill_on_drop: false }` [INFO] [stdout] e1e74c6d19321437258426f50776663f235d7e65ba0a5a5d4773d271ad0bf54a [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 71a54ee65c07d5cbfbf5e0cc9cc24745e5aaccda0808d51a27cdbe2f357f9509 [INFO] running `Command { std: "docker" "start" "-a" "71a54ee65c07d5cbfbf5e0cc9cc24745e5aaccda0808d51a27cdbe2f357f9509", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Compiling unicode-ident v1.0.14 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling futures-sink v0.3.31 [INFO] [stderr] Compiling futures-core v0.3.31 [INFO] [stderr] Compiling futures-io v0.3.31 [INFO] [stderr] Compiling futures-task v0.3.31 [INFO] [stderr] Compiling pin-project-lite v0.2.15 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.90 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling schedwalk v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/lib.rs:333:17 [INFO] [stdout] | [INFO] [stdout] 333 | drop(sender_a.send(())); [INFO] [stdout] | ^^^^^-----------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `Result<(), ()>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 333 - drop(sender_a.send(())); [INFO] [stdout] 333 + let _ = sender_a.send(()); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/lib.rs:337:17 [INFO] [stdout] | [INFO] [stdout] 337 | drop(sender_b.send(())); [INFO] [stdout] | ^^^^^-----------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `Result<(), ()>` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 337 - drop(sender_b.send(())); [INFO] [stdout] 337 + let _ = sender_b.send(()); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 12.66s [INFO] running `Command { std: "docker" "inspect" "71a54ee65c07d5cbfbf5e0cc9cc24745e5aaccda0808d51a27cdbe2f357f9509", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "71a54ee65c07d5cbfbf5e0cc9cc24745e5aaccda0808d51a27cdbe2f357f9509", kill_on_drop: false }` [INFO] [stdout] 71a54ee65c07d5cbfbf5e0cc9cc24745e5aaccda0808d51a27cdbe2f357f9509 [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 17103df04cbc21b864da3db502eeb2c3943dca33d53a77961d63d2f19a34cccd [INFO] running `Command { std: "docker" "start" "-a" "17103df04cbc21b864da3db502eeb2c3943dca33d53a77961d63d2f19a34cccd", kill_on_drop: false }` [INFO] [stderr] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stderr] --> src/lib.rs:333:17 [INFO] [stderr] | [INFO] [stderr] 333 | drop(sender_a.send(())); [INFO] [stderr] | ^^^^^-----------------^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `Result<(), ()>` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 333 - drop(sender_a.send(())); [INFO] [stderr] 333 + let _ = sender_a.send(()); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stderr] --> src/lib.rs:337:17 [INFO] [stderr] | [INFO] [stderr] 337 | drop(sender_b.send(())); [INFO] [stderr] | ^^^^^-----------------^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `Result<(), ()>` [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 337 - drop(sender_b.send(())); [INFO] [stderr] 337 + let _ = sender_b.send(()); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `schedwalk` (lib test) generated 2 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/schedwalk-8219658b57625730) [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test schedule::tests::empty ... ok [INFO] [stdout] test schedule::tests::big ... ok [INFO] [stdout] test schedule::tests::one ... ok [INFO] [stdout] test schedule::tests::two ... ok [INFO] [stdout] test schedule::tests::long ... ok [INFO] [stdout] test tests::walk_basic ... ok [INFO] [stdout] test tests::walk_channels ... ok [INFO] [stdout] test tests::channel_deadlock - should panic ... ok [INFO] [stdout] test tests::channels ... ok [INFO] [stdout] test tests::spawn_panic ... ok [INFO] [stdout] test tests::walk_deadlock - should panic ... ok [INFO] [stdout] test tests::example ... ok [INFO] [stdout] test tests::basic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [INFO] [stderr] Doc-tests schedwalk [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/../README.md - (line 19) ... ok [INFO] [stdout] test src/../README.md - (line 62) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.66s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "17103df04cbc21b864da3db502eeb2c3943dca33d53a77961d63d2f19a34cccd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17103df04cbc21b864da3db502eeb2c3943dca33d53a77961d63d2f19a34cccd", kill_on_drop: false }` [INFO] [stdout] 17103df04cbc21b864da3db502eeb2c3943dca33d53a77961d63d2f19a34cccd