[INFO] cloning repository https://github.com/cecinuga/audio_rust_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cecinuga/audio_rust_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcecinuga%2Faudio_rust_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcecinuga%2Faudio_rust_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 680f0a83d74f429e763a69fe3a9c6f2974462e43
[INFO] checking cecinuga/audio_rust_test/680f0a83d74f429e763a69fe3a9c6f2974462e43 against master#9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9 for pr-124108
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcecinuga%2Faudio_rust_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/cecinuga/audio_rust_test on toolchain 9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cecinuga/audio_rust_test
[INFO] finished tweaking git repo https://github.com/cecinuga/audio_rust_test
[INFO] tweaked toml for git repo https://github.com/cecinuga/audio_rust_test written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cecinuga/audio_rust_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" "+9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.88
[INFO] [stderr]   Downloaded cpal v0.14.1
[INFO] [stderr]   Downloaded nix v0.25.0
[INFO] [stderr]   Downloaded cc v1.0.76
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7db14b9df315bd26369597725021b64ee08dd9cec5ee5d8510b4bc8add3271fd
[INFO] running `Command { std: "docker" "start" "-a" "7db14b9df315bd26369597725021b64ee08dd9cec5ee5d8510b4bc8add3271fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7db14b9df315bd26369597725021b64ee08dd9cec5ee5d8510b4bc8add3271fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7db14b9df315bd26369597725021b64ee08dd9cec5ee5d8510b4bc8add3271fd", kill_on_drop: false }`
[INFO] [stdout] 7db14b9df315bd26369597725021b64ee08dd9cec5ee5d8510b4bc8add3271fd
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c3e1ba4c0985a2bcd9a5515e24dbee7b44367f9311866ef534233172c1442a2
[INFO] running `Command { std: "docker" "start" "-a" "1c3e1ba4c0985a2bcd9a5515e24dbee7b44367f9311866ef534233172c1442a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling cc v1.0.76
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling cpal v0.14.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking hound v3.5.0
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1c3e1ba4c0985a2bcd9a5515e24dbee7b44367f9311866ef534233172c1442a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c3e1ba4c0985a2bcd9a5515e24dbee7b44367f9311866ef534233172c1442a2", kill_on_drop: false }`
[INFO] [stdout] 1c3e1ba4c0985a2bcd9a5515e24dbee7b44367f9311866ef534233172c1442a2