[INFO] fetching crate kiss-ftpd 1.0.0...
[INFO] building kiss-ftpd-1.0.0 against try#3bbb5242a8064de4ca3af4036745ddf603ddaa85 for pr-101929
[INFO] extracting crate kiss-ftpd 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate kiss-ftpd 1.0.0 on toolchain 3bbb5242a8064de4ca3af4036745ddf603ddaa85
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bbb5242a8064de4ca3af4036745ddf603ddaa85" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kiss-ftpd 1.0.0
[INFO] finished tweaking crates.io crate kiss-ftpd 1.0.0
[INFO] tweaked toml for crates.io crate kiss-ftpd 1.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate kiss-ftpd 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bbb5242a8064de4ca3af4036745ddf603ddaa85" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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:e92e462e59ac3446a933540fd361ddeb5362c86f92d432d6a560a917a465022e" "/opt/rustwide/cargo-home/bin/cargo" "+3bbb5242a8064de4ca3af4036745ddf603ddaa85" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe092c483296fdc693724d24c4ffecbcfb5c026499a2e3a1115ea790ec5b23c1
[INFO] running `Command { std: "docker" "start" "-a" "fe092c483296fdc693724d24c4ffecbcfb5c026499a2e3a1115ea790ec5b23c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe092c483296fdc693724d24c4ffecbcfb5c026499a2e3a1115ea790ec5b23c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe092c483296fdc693724d24c4ffecbcfb5c026499a2e3a1115ea790ec5b23c1", kill_on_drop: false }`
[INFO] [stdout] fe092c483296fdc693724d24c4ffecbcfb5c026499a2e3a1115ea790ec5b23c1
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e92e462e59ac3446a933540fd361ddeb5362c86f92d432d6a560a917a465022e" "/opt/rustwide/cargo-home/bin/cargo" "+3bbb5242a8064de4ca3af4036745ddf603ddaa85" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c32d9f02445b8332df35d6255633a43e0cdc7d814708670010931d869d109f5
[INFO] running `Command { std: "docker" "start" "-a" "3c32d9f02445b8332df35d6255633a43e0cdc7d814708670010931d869d109f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling tokio v1.7.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling protobuf v2.24.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling raw-cpuid v9.0.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling arc-swap v1.3.0
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling prometheus v0.12.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling moka v0.3.1
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling atomic-shim v0.1.0
[INFO] [stderr]    Compiling const-random v0.1.13
[INFO] [stderr]    Compiling quanta v0.7.2
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling slog-scope v4.4.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.5
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling cht v0.4.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling slog-stdlog v4.1.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling std_prelude v0.2.12
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling stfu8 v0.2.4
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling derive_more v0.99.14
[INFO] [stderr] error: could not compile `protobuf`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name protobuf --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protobuf-2.24.1/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 -C metadata=e7f05f32302166e5 -C extra-filename=-e7f05f32302166e5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid --cfg rustc_nightly` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3c32d9f02445b8332df35d6255633a43e0cdc7d814708670010931d869d109f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c32d9f02445b8332df35d6255633a43e0cdc7d814708670010931d869d109f5", kill_on_drop: false }`
[INFO] [stdout] 3c32d9f02445b8332df35d6255633a43e0cdc7d814708670010931d869d109f5