[INFO] updating cached repository https://github.com/Fredemus/Tempo-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 61adc4b3d97e7d1a2c3bf2918c9e6080a615a87c
[INFO] checking Fredemus/Tempo-rs against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredemus%2FTempo-rs" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Fredemus/Tempo-rs on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Fredemus/Tempo-rs
[INFO] finished tweaking git repo https://github.com/Fredemus/Tempo-rs
[INFO] tweaked toml for git repo https://github.com/Fredemus/Tempo-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Fredemus/Tempo-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ebe3408f00d159a1dc0467501276fe496e1c6999d50540792160e578d43b20cb
[INFO] running `"docker" "start" "-a" "ebe3408f00d159a1dc0467501276fe496e1c6999d50540792160e578d43b20cb"`
[INFO] [stderr]    Compiling cpal v0.10.0 (https://github.com/RustAudio/cpal#fc46f023)
[INFO] [stderr]    Compiling alsa-sys v0.1.1 (https://github.com/RustAudio/cpal#fc46f023)
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]     Checking rppal v0.11.3
[INFO] [stderr]     Checking rustfft v3.0.0
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]     Checking num-rational v0.2.2
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.5
[INFO] [stderr]     Checking thiserror v1.0.5
[INFO] [stderr] error[E0425]: cannot find value `source` in this scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/cpal-c2179e82da06da7e/fc46f02/src/error.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         err: BackendSpecificError,
[INFO] [stderr]    |         ^^^ help: try: `Self::source`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `source` in this scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/cpal-c2179e82da06da7e/fc46f02/src/error.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         err: BackendSpecificError,
[INFO] [stderr]    |         ^^^ help: try: `Self::source`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `source` in this scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/cpal-c2179e82da06da7e/fc46f02/src/error.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |         err: BackendSpecificError,
[INFO] [stderr]    |         ^^^ help: try: `Self::source`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `source` in this scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/cpal-c2179e82da06da7e/fc46f02/src/error.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |         err: BackendSpecificError,
[INFO] [stderr]    |         ^^^ help: try: `Self::source`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `source` in this scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/cpal-c2179e82da06da7e/fc46f02/src/error.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |         err: BackendSpecificError,
[INFO] [stderr]     |         ^^^ help: try: `Self::source`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `source` in this scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/cpal-c2179e82da06da7e/fc46f02/src/error.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 |         err: BackendSpecificError,
[INFO] [stderr]     |         ^^^ help: try: `Self::source`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `source` in this scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/cpal-c2179e82da06da7e/fc46f02/src/error.rs:145:9
[INFO] [stderr]     |
[INFO] [stderr] 145 |         err: BackendSpecificError,
[INFO] [stderr]     |         ^^^ help: try: `Self::source`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `source` in this scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/cpal-c2179e82da06da7e/fc46f02/src/error.rs:160:9
[INFO] [stderr]     |
[INFO] [stderr] 160 |         err: BackendSpecificError,
[INFO] [stderr]     |         ^^^ help: try: `Self::source`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `cpal`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ebe3408f00d159a1dc0467501276fe496e1c6999d50540792160e578d43b20cb"`
[INFO] running `"docker" "rm" "-f" "ebe3408f00d159a1dc0467501276fe496e1c6999d50540792160e578d43b20cb"`
[INFO] [stdout] ebe3408f00d159a1dc0467501276fe496e1c6999d50540792160e578d43b20cb