[INFO] fetching crate libunftp 0.14.1...
[INFO] testing libunftp-0.14.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate libunftp 0.14.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate libunftp 0.14.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libunftp 0.14.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate libunftp 0.14.1
[INFO] tweaked toml for crates.io crate libunftp 0.14.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate libunftp 0.14.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prometheus v0.10.0
[INFO] [stderr]   Downloaded tokio-rustls v0.14.1
[INFO] [stderr]   Downloaded protobuf v2.14.0
[INFO] [stderr]   Downloaded pam v0.7.0
[INFO] [stderr]   Downloaded ctor v0.1.15
[INFO] [stderr]   Downloaded tokio-compat-02 v0.1.2
[INFO] [stderr]   Downloaded rustls v0.19.0
[INFO] [stderr]   Downloaded async_ftp v4.0.4
[INFO] [stderr]   Downloaded socket2 v0.3.16
[INFO] [stderr]   Downloaded tokio v0.3.5
[INFO] [stderr]   Downloaded rustls v0.18.1
[INFO] [stderr]   Downloaded std_prelude v0.2.12
[INFO] [stderr]   Downloaded tokio-util v0.4.0
[INFO] [stderr]   Downloaded path_abs v0.5.0
[INFO] [stderr]   Downloaded tokio-macros v0.3.0
[INFO] [stderr]   Downloaded proxy-protocol v0.1.1
[INFO] [stderr]   Downloaded tokio-rustls v0.21.1
[INFO] [stderr]   Downloaded ring v0.16.14
[INFO] [stderr]   Downloaded stfu8 v0.2.4
[INFO] [stderr]   Downloaded rustls-native-certs v0.3.0
[INFO] [stderr]   Downloaded hyper-rustls v0.20.0
[INFO] [stderr]   Downloaded yup-oauth2 v4.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70d3b449731ba0ef266cc29c41fe5f2b2cb372ee6af3a6bb0e22276dbd6424e0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "70d3b449731ba0ef266cc29c41fe5f2b2cb372ee6af3a6bb0e22276dbd6424e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70d3b449731ba0ef266cc29c41fe5f2b2cb372ee6af3a6bb0e22276dbd6424e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70d3b449731ba0ef266cc29c41fe5f2b2cb372ee6af3a6bb0e22276dbd6424e0", kill_on_drop: false }`
[INFO] [stdout] 70d3b449731ba0ef266cc29c41fe5f2b2cb372ee6af3a6bb0e22276dbd6424e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9d8a51d35068ad68f6396bc33481877e45a134fc4bd254fb1e35c502dda0606
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c9d8a51d35068ad68f6396bc33481877e45a134fc4bd254fb1e35c502dda0606", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling proc-macro-nested v0.1.5
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling protobuf v2.14.0
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stderr]    Compiling prometheus v0.10.0
[INFO] [stderr]    Compiling std_prelude v0.2.12
[INFO] [stderr]    Compiling ring v0.16.14
[INFO] [stderr]    Compiling tokio v0.3.5
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling slog-scope v4.3.0
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling slog-stdlog v4.1.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling mio v0.7.6
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling stfu8 v0.2.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling webpki v0.21.3
[INFO] [stderr]    Compiling rustls v0.19.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling tokio-macros v0.3.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.20
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr] error: could not compile `rustls`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rustls --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustls-0.19.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="log"' --cfg 'feature="logging"' -C metadata=d13b4bb04acccf95 -C extra-filename=-d13b4bb04acccf95 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-652e22f2c0312e1e.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-93afe3d9087c158b.rmeta --extern ring=/opt/rustwide/target/debug/deps/libring-d8138aaa514b43f3.rmeta --extern sct=/opt/rustwide/target/debug/deps/libsct-661fff253cef2801.rmeta --extern webpki=/opt/rustwide/target/debug/deps/libwebpki-14983e7e0f1a2ab9.rmeta --cap-lints allow --cap-lints=warn -L native=/opt/rustwide/target/debug/build/ring-840b2961bc1c0297/out` (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" "c9d8a51d35068ad68f6396bc33481877e45a134fc4bd254fb1e35c502dda0606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9d8a51d35068ad68f6396bc33481877e45a134fc4bd254fb1e35c502dda0606", kill_on_drop: false }`
[INFO] [stdout] c9d8a51d35068ad68f6396bc33481877e45a134fc4bd254fb1e35c502dda0606