[INFO] fetching crate surge-samplerate 0.2.4-alpha.0...
[INFO] testing surge-samplerate-0.2.4-alpha.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate surge-samplerate 0.2.4-alpha.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate surge-samplerate 0.2.4-alpha.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate surge-samplerate 0.2.4-alpha.0
[INFO] finished tweaking crates.io crate surge-samplerate 0.2.4-alpha.0
[INFO] tweaked toml for crates.io crate surge-samplerate 0.2.4-alpha.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8efda8dc0022c4ecb34929ede22ec834a067d9213811cad5310927eaa19bfb5
[INFO] running `Command { std: "docker" "start" "-a" "f8efda8dc0022c4ecb34929ede22ec834a067d9213811cad5310927eaa19bfb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8efda8dc0022c4ecb34929ede22ec834a067d9213811cad5310927eaa19bfb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8efda8dc0022c4ecb34929ede22ec834a067d9213811cad5310927eaa19bfb5", kill_on_drop: false }`
[INFO] [stdout] f8efda8dc0022c4ecb34929ede22ec834a067d9213811cad5310927eaa19bfb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e27368eafb9b4195adc241de966a6b3ba23207d8fabc74197d61ada1676b940
[INFO] running `Command { std: "docker" "start" "-a" "6e27368eafb9b4195adc241de966a6b3ba23207d8fabc74197d61ada1676b940", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling enum_dispatch v0.3.8
[INFO] [stderr]    Compiling surge-samplerate v0.2.4-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(in_band_lifetimes)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed due to unsolved ergonomic questions and added lifetime resolution complexity
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `surge-samplerate` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6e27368eafb9b4195adc241de966a6b3ba23207d8fabc74197d61ada1676b940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e27368eafb9b4195adc241de966a6b3ba23207d8fabc74197d61ada1676b940", kill_on_drop: false }`
[INFO] [stdout] 6e27368eafb9b4195adc241de966a6b3ba23207d8fabc74197d61ada1676b940