[INFO] fetching crate midir 0.6.2...
[INFO] checking midir-0.6.2 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate midir 0.6.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate midir 0.6.2 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate midir 0.6.2
[INFO] finished tweaking crates.io crate midir 0.6.2
[INFO] tweaked toml for crates.io crate midir 0.6.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate midir 0.6.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winrt_gen_macros v0.7.1
[INFO] [stderr]   Downloaded winrt_macros v0.7.1
[INFO] [stderr]   Downloaded memalloc v0.1.0
[INFO] [stderr]   Downloaded winrt_gen v0.7.1
[INFO] [stderr]   Downloaded winrt v0.7.1
[INFO] [stderr]   Downloaded coremidi v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d619b03456e798fc9c8d8ee973ce7084b09f7f2d738d22a5b03910949353337d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d619b03456e798fc9c8d8ee973ce7084b09f7f2d738d22a5b03910949353337d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d619b03456e798fc9c8d8ee973ce7084b09f7f2d738d22a5b03910949353337d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d619b03456e798fc9c8d8ee973ce7084b09f7f2d738d22a5b03910949353337d", kill_on_drop: false }`
[INFO] [stdout] d619b03456e798fc9c8d8ee973ce7084b09f7f2d738d22a5b03910949353337d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20f3a3e4be7d04fa48ff80ad8a6b0c3bf5b349f7a9d11dd977ccf0d1acab521e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "20f3a3e4be7d04fa48ff80ad8a6b0c3bf5b349f7a9d11dd977ccf0d1acab521e", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking memalloc v0.1.0
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]     Checking alsa v0.2.2
[INFO] [stderr]     Checking midir v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.10s
[INFO] running `Command { std: "docker" "inspect" "20f3a3e4be7d04fa48ff80ad8a6b0c3bf5b349f7a9d11dd977ccf0d1acab521e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20f3a3e4be7d04fa48ff80ad8a6b0c3bf5b349f7a9d11dd977ccf0d1acab521e", kill_on_drop: false }`
[INFO] [stdout] 20f3a3e4be7d04fa48ff80ad8a6b0c3bf5b349f7a9d11dd977ccf0d1acab521e