[INFO] cloning repository https://github.com/pexip/os-rust-crossbeam-channel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pexip/os-rust-crossbeam-channel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpexip%2Fos-rust-crossbeam-channel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpexip%2Fos-rust-crossbeam-channel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8fe578b71d602631621b511a94d7c537ef63c2f
[INFO] checking pexip/os-rust-crossbeam-channel against nightly-2024-02-05 for check-cfg
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpexip%2Fos-rust-crossbeam-channel" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pexip/os-rust-crossbeam-channel 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 git repo https://github.com/pexip/os-rust-crossbeam-channel
[INFO] finished tweaking git repo https://github.com/pexip/os-rust-crossbeam-channel
[INFO] tweaked toml for git repo https://github.com/pexip/os-rust-crossbeam-channel written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pexip/os-rust-crossbeam-channel 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-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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eef61489ccfeced451f874e9dccb828ece0a2beb2db6eb4009999d72f69c8bc4
[INFO] running `Command { std: "docker" "start" "-a" "eef61489ccfeced451f874e9dccb828ece0a2beb2db6eb4009999d72f69c8bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eef61489ccfeced451f874e9dccb828ece0a2beb2db6eb4009999d72f69c8bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eef61489ccfeced451f874e9dccb828ece0a2beb2db6eb4009999d72f69c8bc4", kill_on_drop: false }`
[INFO] [stdout] eef61489ccfeced451f874e9dccb828ece0a2beb2db6eb4009999d72f69c8bc4
[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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1ae8e6908c4184415f358eee43d8ab57e27cdbf78f2044a3080920830b3806c
[INFO] running `Command { std: "docker" "start" "-a" "f1ae8e6908c4184415f358eee43d8ab57e27cdbf78f2044a3080920830b3806c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking rand_core v0.6.3
[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 1.38s
[INFO] running `Command { std: "docker" "inspect" "f1ae8e6908c4184415f358eee43d8ab57e27cdbf78f2044a3080920830b3806c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1ae8e6908c4184415f358eee43d8ab57e27cdbf78f2044a3080920830b3806c", kill_on_drop: false }`
[INFO] [stdout] f1ae8e6908c4184415f358eee43d8ab57e27cdbf78f2044a3080920830b3806c
[INFO] checking pexip/os-rust-crossbeam-channel against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpexip%2Fos-rust-crossbeam-channel" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pexip/os-rust-crossbeam-channel 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 git repo https://github.com/pexip/os-rust-crossbeam-channel
[INFO] finished tweaking git repo https://github.com/pexip/os-rust-crossbeam-channel
[INFO] tweaked toml for git repo https://github.com/pexip/os-rust-crossbeam-channel written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/pexip/os-rust-crossbeam-channel 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-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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9241d7e0a3191fd930e7d52bf370ea162f05dc7e7d16c800aaffa0e9a24f0565
[INFO] running `Command { std: "docker" "start" "-a" "9241d7e0a3191fd930e7d52bf370ea162f05dc7e7d16c800aaffa0e9a24f0565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9241d7e0a3191fd930e7d52bf370ea162f05dc7e7d16c800aaffa0e9a24f0565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9241d7e0a3191fd930e7d52bf370ea162f05dc7e7d16c800aaffa0e9a24f0565", kill_on_drop: false }`
[INFO] [stdout] 9241d7e0a3191fd930e7d52bf370ea162f05dc7e7d16c800aaffa0e9a24f0565
[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 -Dunexpected_cfgs" "-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" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] 6b42df976d3716ae40fec75c1115877c94316f1937c4d7fe71e71415ca6d7222
[INFO] running `Command { std: "docker" "start" "-a" "6b42df976d3716ae40fec75c1115877c94316f1937c4d7fe71e71415ca6d7222", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] error: unexpected `cfg` condition name: `crossbeam_sanitize`
[INFO] [stdout]    --> tests/tick.rs:132:11
[INFO] [stdout]     |
[INFO] [stdout] 132 | #[cfg(not(crossbeam_sanitize))] // TODO: assertions failed due to tsan is slow
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(crossbeam_sanitize)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `crossbeam_sanitize`
[INFO] [stdout]    --> tests/tick.rs:257:11
[INFO] [stdout]     |
[INFO] [stdout] 257 | #[cfg(not(crossbeam_sanitize))] // TODO: assertions failed due to tsan is slow
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(crossbeam_sanitize)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crossbeam-channel` (test "tick") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] running `Command { std: "docker" "inspect" "6b42df976d3716ae40fec75c1115877c94316f1937c4d7fe71e71415ca6d7222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b42df976d3716ae40fec75c1115877c94316f1937c4d7fe71e71415ca6d7222", kill_on_drop: false }`
[INFO] [stdout] 6b42df976d3716ae40fec75c1115877c94316f1937c4d7fe71e71415ca6d7222
