[INFO] fetching crate rtdlib 1.7.1...
[INFO] testing rtdlib-1.7.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate rtdlib 1.7.1 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate rtdlib 1.7.1 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 crates.io crate rtdlib 1.7.1
[INFO] finished tweaking crates.io crate rtdlib 1.7.1
[INFO] tweaked toml for crates.io crate rtdlib 1.7.1 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] [stdout] f00daf43e1757c55bbe4f08e67aa2d6f3cf043a70d2525ec6d7b5a4cf2ee97cf
[INFO] running `Command { std: "docker" "start" "-a" "f00daf43e1757c55bbe4f08e67aa2d6f3cf043a70d2525ec6d7b5a4cf2ee97cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f00daf43e1757c55bbe4f08e67aa2d6f3cf043a70d2525ec6d7b5a4cf2ee97cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f00daf43e1757c55bbe4f08e67aa2d6f3cf043a70d2525ec6d7b5a4cf2ee97cf", kill_on_drop: false }`
[INFO] [stdout] f00daf43e1757c55bbe4f08e67aa2d6f3cf043a70d2525ec6d7b5a4cf2ee97cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] [stdout] 4a6e8856c9116f750a7e1e95066bc1cef944df12f884f20b509d9980482ab6ba
[INFO] running `Command { std: "docker" "start" "-a" "4a6e8856c9116f750a7e1e95066bc1cef944df12f884f20b509d9980482ab6ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling serde-aux v0.6.1
[INFO] [stderr]    Compiling rtdlib v1.7.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `rtdlib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rtdlib --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=81902e5146560ccb -C extra-filename=-81902e5146560ccb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libc=/opt/rustwide/target/debug/deps/liblibc-0ec3a1d3f48b901b.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-3d87f6cff87cb4be.rmeta --extern serde_aux=/opt/rustwide/target/debug/deps/libserde_aux-a82685737d9dc275.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-69054f4e434afa19.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-dfa2205c771bd85f.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-0543e4dc15aeaf0c.rmeta --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "4a6e8856c9116f750a7e1e95066bc1cef944df12f884f20b509d9980482ab6ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a6e8856c9116f750a7e1e95066bc1cef944df12f884f20b509d9980482ab6ba", kill_on_drop: false }`
[INFO] [stdout] 4a6e8856c9116f750a7e1e95066bc1cef944df12f884f20b509d9980482ab6ba