[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] checking discordance/rust_sampler_test/d8446b10d6e3f5c1e95be2c9ee1dc88a25558f35 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiscordance%2Frust_sampler_test" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/discordance/rust_sampler_test on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "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-2-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wmidi v1.1.0
[INFO] [stderr]   Downloaded num-bigint v0.1.44
[INFO] [stderr]   Downloaded time_calc v0.13.0
[INFO] [stderr]   Downloaded easer v0.2.1
[INFO] [stderr]   Downloaded which v1.0.5
[INFO] [stderr]   Downloaded nodrop v0.1.13
[INFO] [stderr]   Downloaded proc-macro2 v0.4.28
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.2
[INFO] [stderr]   Downloaded elapsed v0.1.2
[INFO] [stderr]   Downloaded cfg-if v0.1.6
[INFO] [stderr]   Downloaded quote v0.4.2
[INFO] [stderr]   Downloaded redox_users v0.3.0
[INFO] [stderr]   Downloaded bitflags v0.3.3
[INFO] [stderr]   Downloaded serde_derive v1.0.90
[INFO] [stderr]   Downloaded cexpr v0.2.3
[INFO] [stderr]   Downloaded clang-sys v0.21.2
[INFO] [stderr]   Downloaded ucd-util v0.1.2
[INFO] [stderr]   Downloaded alsa v0.2.1
[INFO] [stderr]   Downloaded serde_json v1.0.40
[INFO] [stderr]   Downloaded nom v3.2.1
[INFO] [stderr]   Downloaded nix v0.9.0
[INFO] [stderr]   Downloaded serde v1.0.90
[INFO] [stderr]   Downloaded syn v0.15.32
[INFO] [stderr]   Downloaded bindgen v0.32.3
[INFO] [stderr]   Downloaded backtrace v0.3.20
[INFO] [stderr]   Downloaded arrayvec v0.4.10
[INFO] [stderr]   Downloaded heapless v0.5.3
[INFO] [stderr]   Downloaded plotlib v0.4.0
[INFO] [stderr]   Downloaded ryu v1.0.0
[INFO] [stderr]   Downloaded regex v1.1.2
[INFO] [stderr]   Downloaded num-iter v0.1.37
[INFO] [stderr]   Downloaded env_logger v0.4.3
[INFO] [stderr]   Downloaded proc-macro2 v0.2.3
[INFO] [stderr]   Downloaded aho-corasick v0.6.9
[INFO] [stderr]   Downloaded lazy_static v1.2.0
[INFO] [stderr]   Downloaded log v0.4.6
[INFO] [stderr]   Downloaded coremidi v0.3.0
[INFO] [stderr]   Downloaded sample v0.10.0
[INFO] [stderr]   Downloaded winmm-sys v0.2.0
[INFO] [stderr]   Downloaded midir v0.5.0
[INFO] [stderr]   Downloaded svg v0.5.12
[INFO] [stderr]   Downloaded memchr v2.1.1
[INFO] [stderr]   Downloaded rosc v0.1.6
[INFO] [stderr]   Downloaded toml v0.5.0
[INFO] [stderr]   Downloaded rustc-demangle v0.1.14
[INFO] [stderr]   Downloaded backtrace-sys v0.1.28
[INFO] [stderr]   Downloaded utf8-ranges v1.0.2
[INFO] [stderr]   Downloaded num-complex v0.1.43
[INFO] [stderr]   Downloaded coremidi-sys v2.0.2
[INFO] [stderr]   Downloaded memalloc v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12102bdb1bfc3a0f9eee359e87f599832ff2608d4f8d7bbcd3848734c83bfb50
[INFO] running `Command { std: "docker" "start" "-a" "12102bdb1bfc3a0f9eee359e87f599832ff2608d4f8d7bbcd3848734c83bfb50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12102bdb1bfc3a0f9eee359e87f599832ff2608d4f8d7bbcd3848734c83bfb50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12102bdb1bfc3a0f9eee359e87f599832ff2608d4f8d7bbcd3848734c83bfb50", kill_on_drop: false }`
[INFO] [stdout] 12102bdb1bfc3a0f9eee359e87f599832ff2608d4f8d7bbcd3848734c83bfb50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57da4474a90bc2d1ec1f460535a3aca78caafd2c093089923fba37d4cfb6d483
[INFO] running `Command { std: "docker" "start" "-a" "57da4474a90bc2d1ec1f460535a3aca78caafd2c093089923fba37d4cfb6d483", 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` (locked to 0.1.1) of package `cpal v0.8.2 (https://github.com/discordance/cpal.git#ef7a4b60)`
[INFO] [stderr]     ... which satisfies git dependency `cpal` (locked to 0.8.2) 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 = "^0.1.1"` (locked to 0.1.2) of package `alsa v0.2.1`
[INFO] [stderr]     ... which satisfies dependency `alsa = "^0.2"` (locked to 0.2.1) of package `midir v0.5.0`
[INFO] [stderr]     ... which satisfies dependency `midir = "^0.5.0"` (locked to 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" "57da4474a90bc2d1ec1f460535a3aca78caafd2c093089923fba37d4cfb6d483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57da4474a90bc2d1ec1f460535a3aca78caafd2c093089923fba37d4cfb6d483", kill_on_drop: false }`
[INFO] [stdout] 57da4474a90bc2d1ec1f460535a3aca78caafd2c093089923fba37d4cfb6d483