[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] d8446b10d6e3f5c1e95be2c9ee1dc88a25558f35
[INFO] testing discordance/rust_sampler_test against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiscordance%2Frust_sampler_test" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/discordance/rust_sampler_test on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-8/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" "+beta-2021-09-08" "fetch" "--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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bad74e1b847d89d27d1fdba51bd4478e65697579f4d1e16d3e8262a25743847
[INFO] running `Command { std: "docker" "start" "-a" "6bad74e1b847d89d27d1fdba51bd4478e65697579f4d1e16d3e8262a25743847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bad74e1b847d89d27d1fdba51bd4478e65697579f4d1e16d3e8262a25743847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bad74e1b847d89d27d1fdba51bd4478e65697579f4d1e16d3e8262a25743847", kill_on_drop: false }`
[INFO] [stdout] 6bad74e1b847d89d27d1fdba51bd4478e65697579f4d1e16d3e8262a25743847
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b4b0fecb468b9ac55caa67682caa1c68980a104d272090374b902b0a2f1d5e9
[INFO] running `Command { std: "docker" "start" "-a" "5b4b0fecb468b9ac55caa67682caa1c68980a104d272090374b902b0a2f1d5e9", 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 satisfies git dependency `alsa-sys` of package `cpal v0.8.2 (https://github.com/discordance/cpal.git#ef7a4b60)`
[INFO] [stderr]     ... which satisfies git dependency `cpal` of package `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 satisfies dependency `alsa-sys = "=0.1.2"` of package `alsa v0.2.1`
[INFO] [stderr]     ... which satisfies dependency `alsa = "=0.2.1"` of package `midir v0.5.0`
[INFO] [stderr]     ... which satisfies dependency `midir = "=0.5.0"` of package `smplr v0.0.2 (/opt/rustwide/workdir)`
[INFO] [stderr] also links to native library `alsa`
[INFO] running `Command { std: "docker" "inspect" "5b4b0fecb468b9ac55caa67682caa1c68980a104d272090374b902b0a2f1d5e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b4b0fecb468b9ac55caa67682caa1c68980a104d272090374b902b0a2f1d5e9", kill_on_drop: false }`
[INFO] [stdout] 5b4b0fecb468b9ac55caa67682caa1c68980a104d272090374b902b0a2f1d5e9