[INFO] cloning repository https://github.com/EthanWeegee/simple-nus3audio-gui
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EthanWeegee/simple-nus3audio-gui" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthanWeegee%2Fsimple-nus3audio-gui", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthanWeegee%2Fsimple-nus3audio-gui'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 27ae3948425d1e2e3061252ac3e48744e0e829a6
[INFO] testing EthanWeegee/simple-nus3audio-gui against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthanWeegee%2Fsimple-nus3audio-gui" "/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/EthanWeegee/simple-nus3audio-gui on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/EthanWeegee/simple-nus3audio-gui
[INFO] finished tweaking git repo https://github.com/EthanWeegee/simple-nus3audio-gui
[INFO] tweaked toml for git repo https://github.com/EthanWeegee/simple-nus3audio-gui written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/EthanWeegee/simple-nus3audio-gui already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 614cdb83c80042de8c9c4178cc07663bff7093a82199333967a1977f98844bbf
[INFO] running `Command { std: "docker" "start" "-a" "614cdb83c80042de8c9c4178cc07663bff7093a82199333967a1977f98844bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "614cdb83c80042de8c9c4178cc07663bff7093a82199333967a1977f98844bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "614cdb83c80042de8c9c4178cc07663bff7093a82199333967a1977f98844bbf", kill_on_drop: false }`
[INFO] [stdout] 614cdb83c80042de8c9c4178cc07663bff7093a82199333967a1977f98844bbf
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c01014a16e789d3aa285db943aa8393c01d9dfa2b3970fdfcc5fa871cb7dde9
[INFO] running `Command { std: "docker" "start" "-a" "3c01014a16e789d3aa285db943aa8393c01d9dfa2b3970fdfcc5fa871cb7dde9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling serde_derive v1.0.131
[INFO] [stderr]    Compiling serde v1.0.131
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling cpal v0.13.5
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling pathdiff v0.2.1
[INFO] [stderr]    Compiling riff v1.0.1
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling claxon v0.4.3
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling ogg v0.8.0
[INFO] [stderr]    Compiling open v2.0.2
[INFO] [stderr]    Compiling wav v1.0.0
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling fon v0.6.0
[INFO] [stderr]    Compiling lewton v0.10.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling slice-deque v0.3.0
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling which v4.2.4
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling directories v4.0.1
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling cmake v0.1.46
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling fltk-sys v1.2.20
[INFO] [stderr]    Compiling alsa v0.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling binwrite_derive v0.2.1
[INFO] [stderr]    Compiling binwrite v0.2.1
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling minimp3 v0.5.1
[INFO] [stderr] error: could not compile `serde`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.131/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="serde_derive"' --cfg 'feature="std"' -C metadata=611459e447784b79 -C extra-filename=-611459e447784b79 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-184a80b80ae1491e.so --cap-lints allow --cap-lints=warn --cfg ops_bound --cfg core_reverse --cfg de_boxed_c_str --cfg de_boxed_path --cfg de_rc_dst --cfg core_duration --cfg integer128 --cfg range_inclusive --cfg iterator_try_fold --cfg num_nonzero --cfg serde_derive --cfg core_try_from --cfg num_nonzero_signed --cfg systemtime_checked_add --cfg std_atomic64 --cfg std_atomic` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3c01014a16e789d3aa285db943aa8393c01d9dfa2b3970fdfcc5fa871cb7dde9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c01014a16e789d3aa285db943aa8393c01d9dfa2b3970fdfcc5fa871cb7dde9", kill_on_drop: false }`
[INFO] [stdout] 3c01014a16e789d3aa285db943aa8393c01d9dfa2b3970fdfcc5fa871cb7dde9