[INFO] cloning repository https://github.com/tuzz/audio_mixer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tuzz/audio_mixer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Faudio_mixer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Faudio_mixer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9dfe4bc556c56f3c48accab894cafe5a5ffe4b50 [INFO] testing tuzz/audio_mixer 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%2Ftuzz%2Faudio_mixer" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tuzz/audio_mixer 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/tuzz/audio_mixer [INFO] finished tweaking git repo https://github.com/tuzz/audio_mixer [INFO] tweaked toml for git repo https://github.com/tuzz/audio_mixer written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/tuzz/audio_mixer 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] Downloading crates ... [INFO] [stderr] Downloaded atomic_float v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2753d8dbdf35fd7b733b90d04cd2db1377e52ab49f5045be70056930573e9d87 [INFO] running `Command { std: "docker" "start" "-a" "2753d8dbdf35fd7b733b90d04cd2db1377e52ab49f5045be70056930573e9d87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2753d8dbdf35fd7b733b90d04cd2db1377e52ab49f5045be70056930573e9d87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2753d8dbdf35fd7b733b90d04cd2db1377e52ab49f5045be70056930573e9d87", kill_on_drop: false }` [INFO] [stdout] 2753d8dbdf35fd7b733b90d04cd2db1377e52ab49f5045be70056930573e9d87 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a0e0868e39555d2bef3a2e94da503ee44a4f4ac2a588960b563091d41c034a0d [INFO] running `Command { std: "docker" "start" "-a" "a0e0868e39555d2bef3a2e94da503ee44a4f4ac2a588960b563091d41c034a0d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.101 [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling cpal v0.13.4 [INFO] [stderr] Compiling atomic_float v0.1.0 [INFO] [stderr] Compiling alsa-sys v0.3.1 [INFO] [stderr] Compiling nix v0.20.1 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling thiserror-impl v1.0.29 [INFO] [stderr] Compiling thiserror v1.0.29 [INFO] [stderr] Compiling alsa v0.5.0 [INFO] [stderr] Compiling audio_mixer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(drain_filter)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(bool_to_option)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(once_cell)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(trait_alias)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: cannot add `{integer}` to `f32` [INFO] [stdout] --> src/low_pass_coefficients.rs:30:58 [INFO] [stdout] | [INFO] [stdout] 30 | let minimum_sample_rate = frequency * 2. + 10; // Give it some leeway. [INFO] [stdout] | ^ no implementation for `f32 + {integer}` [INFO] [stdout] | [INFO] [stdout] = help: the trait `Add<{integer}>` is not implemented for `f32` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0554. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `audio_mixer` due to 6 previous errors [INFO] running `Command { std: "docker" "inspect" "a0e0868e39555d2bef3a2e94da503ee44a4f4ac2a588960b563091d41c034a0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0e0868e39555d2bef3a2e94da503ee44a4f4ac2a588960b563091d41c034a0d", kill_on_drop: false }` [INFO] [stdout] a0e0868e39555d2bef3a2e94da503ee44a4f4ac2a588960b563091d41c034a0d