[INFO] fetching crate crossbeam-channel 0.5.8...
[INFO] checking crossbeam-channel-0.5.8 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate crossbeam-channel 0.5.8 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate crossbeam-channel 0.5.8 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crossbeam-channel 0.5.8
[INFO] finished tweaking crates.io crate crossbeam-channel 0.5.8
[INFO] tweaked toml for crates.io crate crossbeam-channel 0.5.8 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate crossbeam-channel 0.5.8 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9177287df20fb7d425d82c149cfff470c62f10a04b50a4d615a66ab320eac719
[INFO] running `Command { std: "docker" "start" "-a" "9177287df20fb7d425d82c149cfff470c62f10a04b50a4d615a66ab320eac719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9177287df20fb7d425d82c149cfff470c62f10a04b50a4d615a66ab320eac719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9177287df20fb7d425d82c149cfff470c62f10a04b50a4d615a66ab320eac719", kill_on_drop: false }`
[INFO] [stdout] 9177287df20fb7d425d82c149cfff470c62f10a04b50a4d615a66ab320eac719
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72a91a8cc625216db3368aa09eb387df860528e0d72e14adbfb0e045064f6e28
[INFO] running `Command { std: "docker" "start" "-a" "72a91a8cc625216db3368aa09eb387df860528e0d72e14adbfb0e045064f6e28", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]     Checking crossbeam-channel v0.5.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]     --> tests/select_macro.rs:1215:27
[INFO] [stdout]      |
[INFO] [stdout] 1215 |         recv(r) -> res => drop::<Result<i32, RecvError>>(res),
[INFO] [stdout]      |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---^
[INFO] [stdout]      |                                                          |
[INFO] [stdout]      |                                                          argument has type `Result<i32, crossbeam_channel::RecvError>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]      = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]     --> tests/select_macro.rs:1218:27
[INFO] [stdout]      |
[INFO] [stdout] 1218 |         recv(r) -> res => drop::<Result<i32, RecvError>>(res),
[INFO] [stdout]      |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---^
[INFO] [stdout]      |                                                          |
[INFO] [stdout]      |                                                          argument has type `Result<i32, crossbeam_channel::RecvError>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]     --> tests/select_macro.rs:1222:27
[INFO] [stdout]      |
[INFO] [stdout] 1222 |         recv(r) -> res => drop::<Result<i32, RecvError>>(res),
[INFO] [stdout]      |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---^
[INFO] [stdout]      |                                                          |
[INFO] [stdout]      |                                                          argument has type `Result<i32, crossbeam_channel::RecvError>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]     --> tests/select_macro.rs:1227:30
[INFO] [stdout]      |
[INFO] [stdout] 1227 |         send(s, 0) -> res => drop::<Result<(), SendError<i32>>>(res),
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---^
[INFO] [stdout]      |                                                                 |
[INFO] [stdout]      |                                                                 argument has type `Result<(), crossbeam_channel::SendError<i32>>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]     --> tests/select_macro.rs:1230:30
[INFO] [stdout]      |
[INFO] [stdout] 1230 |         send(s, 0) -> res => drop::<Result<(), SendError<i32>>>(res),
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---^
[INFO] [stdout]      |                                                                 |
[INFO] [stdout]      |                                                                 argument has type `Result<(), crossbeam_channel::SendError<i32>>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]     --> tests/select_macro.rs:1234:30
[INFO] [stdout]      |
[INFO] [stdout] 1234 |         send(s, 0) -> res => drop::<Result<(), SendError<i32>>>(res),
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---^
[INFO] [stdout]      |                                                                 |
[INFO] [stdout]      |                                                                 argument has type `Result<(), crossbeam_channel::SendError<i32>>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]     --> tests/select_macro.rs:1239:30
[INFO] [stdout]      |
[INFO] [stdout] 1239 |         send(s, 0) -> res => drop::<Result<(), SendError<i32>>>(res),
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---^
[INFO] [stdout]      |                                                                 |
[INFO] [stdout]      |                                                                 argument has type `Result<(), crossbeam_channel::SendError<i32>>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]     --> tests/select_macro.rs:1240:27
[INFO] [stdout]      |
[INFO] [stdout] 1240 |         recv(r) -> res => drop::<Result<i32, RecvError>>(res),
[INFO] [stdout]      |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---^
[INFO] [stdout]      |                                                          |
[INFO] [stdout]      |                                                          argument has type `Result<i32, crossbeam_channel::RecvError>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.61s
[INFO] running `Command { std: "docker" "inspect" "72a91a8cc625216db3368aa09eb387df860528e0d72e14adbfb0e045064f6e28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72a91a8cc625216db3368aa09eb387df860528e0d72e14adbfb0e045064f6e28", kill_on_drop: false }`
[INFO] [stdout] 72a91a8cc625216db3368aa09eb387df860528e0d72e14adbfb0e045064f6e28
