[INFO] fetching crate uexec 0.1.4...
[INFO] testing uexec-0.1.4 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate uexec 0.1.4 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate uexec 0.1.4
[INFO] finished tweaking crates.io crate uexec 0.1.4
[INFO] tweaked toml for crates.io crate uexec 0.1.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate uexec 0.1.4 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate uexec 0.1.4 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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e39ba6821f15b7b7e148daeecc0c74c8dbd1872c83a57d65687e486b7c3405c
[INFO] running `Command { std: "docker" "start" "-a" "9e39ba6821f15b7b7e148daeecc0c74c8dbd1872c83a57d65687e486b7c3405c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e39ba6821f15b7b7e148daeecc0c74c8dbd1872c83a57d65687e486b7c3405c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e39ba6821f15b7b7e148daeecc0c74c8dbd1872c83a57d65687e486b7c3405c", kill_on_drop: false }`
[INFO] [stdout] 9e39ba6821f15b7b7e148daeecc0c74c8dbd1872c83a57d65687e486b7c3405c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12f84499f385924afd6e75f07fa31c9047bf0c6586d52855026e5c34bbdbf8f0
[INFO] running `Command { std: "docker" "start" "-a" "12f84499f385924afd6e75f07fa31c9047bf0c6586d52855026e5c34bbdbf8f0", kill_on_drop: false }`
[INFO] [stderr] Compiling libc v0.2.94
[INFO] [stderr] Compiling proc-macro2 v1.0.26
[INFO] [stderr] Compiling unicode-xid v0.2.2
[INFO] [stderr] Compiling syn v1.0.72
[INFO] [stderr] Compiling getrandom v0.2.2
[INFO] [stderr] Compiling futures-core v0.3.14
[INFO] [stderr] Compiling futures-sink v0.3.14
[INFO] [stderr] Compiling fastrand v1.4.1
[INFO] [stderr] Compiling lock_api v0.4.4
[INFO] [stderr] Compiling crossbeam-utils v0.8.4
[INFO] [stderr] Compiling spinning_top v0.2.3
[INFO] [stderr] Compiling parking_lot_core v0.8.3
[INFO] [stderr] Compiling quote v1.0.9
[INFO] [stderr] Compiling nanorand v0.5.2
[INFO] [stderr] Compiling parking_lot v0.11.1
[INFO] [stderr] Compiling pin-project-internal v1.0.7
[INFO] [stderr] Compiling pin-project v1.0.7
[INFO] [stderr] Compiling flume v0.10.5
[INFO] [stderr] Compiling uexec v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.47s
[INFO] running `Command { std: "docker" "inspect" "12f84499f385924afd6e75f07fa31c9047bf0c6586d52855026e5c34bbdbf8f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12f84499f385924afd6e75f07fa31c9047bf0c6586d52855026e5c34bbdbf8f0", kill_on_drop: false }`
[INFO] [stdout] 12f84499f385924afd6e75f07fa31c9047bf0c6586d52855026e5c34bbdbf8f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a906dcdde2ef3fb3f9a361d49cd997d38ed484e2c414263aa22306676f66e5f
[INFO] running `Command { std: "docker" "start" "-a" "5a906dcdde2ef3fb3f9a361d49cd997d38ed484e2c414263aa22306676f66e5f", kill_on_drop: false }`
[INFO] [stderr] Compiling memchr v2.4.0
[INFO] [stderr] Compiling parking v2.0.0
[INFO] [stderr] Compiling waker-fn v1.1.0
[INFO] [stderr] Compiling futures-io v0.3.14
[INFO] [stderr] Compiling num_cpus v1.13.0
[INFO] [stderr] Compiling easy-parallel v3.1.0
[INFO] [stderr] Compiling futures-lite v1.11.3
[INFO] [stderr] Compiling uexec v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout] --> examples/channel.rs:20:13
[INFO] [stdout] |
[INFO] [stdout] 20 | drop(sender.send_async(Some(i)).await);
[INFO] [stdout] | ^^^^^--------------------------------^
[INFO] [stdout] | |
[INFO] [stdout] | argument has type `Result<(), flume::SendError