[INFO] cloning repository https://github.com/discordance/rust_sampler_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/discordance/rust_sampler_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiscordance%2Frust_sampler_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiscordance%2Frust_sampler_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f82a83ab21c12971ed9affe507407199ba05674
[INFO] checking discordance/rust_sampler_test against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiscordance%2Frust_sampler_test" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/discordance/rust_sampler_test on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/discordance/rust_sampler_test
[INFO] finished tweaking git repo https://github.com/discordance/rust_sampler_test
[INFO] tweaked toml for git repo https://github.com/discordance/rust_sampler_test written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/discordance/rust_sampler_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/discordance/aubio_port_rust.git`
[INFO] [stderr]     Updating git repository `https://github.com/discordance/cpal.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plotlib v0.4.0
[INFO] [stderr]   Downloaded svg v0.5.12
[INFO] [stderr]   Downloaded proc-macro2 v0.4.28
[INFO] [stderr]   Downloaded coremidi v0.3.0
[INFO] [stderr]   Downloaded alsa v0.2.1
[INFO] [stderr]   Downloaded as-slice v0.1.3
[INFO] [stderr]   Downloaded hash32 v0.1.1
[INFO] [stderr]   Downloaded rosc v0.1.6
[INFO] [stderr]   Downloaded syn v0.15.32
[INFO] [stderr]   Downloaded ucd-util v0.1.2
[INFO] [stderr]   Downloaded regex-syntax v0.6.16
[INFO] [stderr]   Downloaded toml v0.5.0
[INFO] [stderr]   Downloaded sample v0.10.0
[INFO] [stderr]   Downloaded heapless v0.5.3
[INFO] [stderr]   Downloaded wmidi v1.1.0
[INFO] [stderr]   Downloaded nix v0.9.0
[INFO] [stderr]   Downloaded backtrace v0.3.20
[INFO] [stderr]   Downloaded memalloc v0.1.0
[INFO] [stderr]   Downloaded midir v0.5.0
[INFO] [stderr]   Downloaded easer v0.2.1
[INFO] [stderr]   Downloaded winmm-sys v0.2.0
[INFO] [stderr]   Downloaded elapsed v0.1.2
[INFO] [stderr]   Downloaded time_calc v0.13.0
[INFO] [stderr]   Downloaded coremidi-sys v2.0.2
[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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc3c3d71fabda36e721e8bc77349e62f0007f06394e569ae283240fe949cb87f
[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" "bc3c3d71fabda36e721e8bc77349e62f0007f06394e569ae283240fe949cb87f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc3c3d71fabda36e721e8bc77349e62f0007f06394e569ae283240fe949cb87f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc3c3d71fabda36e721e8bc77349e62f0007f06394e569ae283240fe949cb87f", kill_on_drop: false }`
[INFO] [stdout] bc3c3d71fabda36e721e8bc77349e62f0007f06394e569ae283240fe949cb87f
[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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 529632d6825d279d868d3fbed8bb6bceda339390bb73b1cbbc849c73c2b7bd2b
[INFO] running `Command { std: "docker" "start" "-a" "529632d6825d279d868d3fbed8bb6bceda339390bb73b1cbbc849c73c2b7bd2b", kill_on_drop: false }`
[INFO] [stderr] error: multiple packages link to native library `alsa`, but a native library can be linked only once
[INFO] [stderr] 
[INFO] [stderr] package `alsa-sys v0.1.1 (https://github.com/discordance/cpal.git#ef7a4b60)`
[INFO] [stderr]     ... which is depended on by `cpal v0.8.2 (https://github.com/discordance/cpal.git#ef7a4b60)`
[INFO] [stderr]     ... which is depended on by `smplr v0.0.2 (/opt/rustwide/workdir)`
[INFO] [stderr] links to native library `alsa`
[INFO] [stderr] 
[INFO] [stderr] package `alsa-sys v0.1.2`
[INFO] [stderr]     ... which is depended on by `alsa v0.2.1`
[INFO] [stderr]     ... which is depended on by `midir v0.5.0`
[INFO] [stderr]     ... which is depended on by `smplr v0.0.2 (/opt/rustwide/workdir)`
[INFO] [stderr] also links to native library `alsa`
[INFO] running `Command { std: "docker" "inspect" "529632d6825d279d868d3fbed8bb6bceda339390bb73b1cbbc849c73c2b7bd2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "529632d6825d279d868d3fbed8bb6bceda339390bb73b1cbbc849c73c2b7bd2b", kill_on_drop: false }`
[INFO] [stdout] 529632d6825d279d868d3fbed8bb6bceda339390bb73b1cbbc849c73c2b7bd2b