[INFO] fetching crate libunftp 0.11.2...
[INFO] testing libunftp-0.11.2 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate libunftp 0.11.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate libunftp 0.11.2 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libunftp 0.11.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate libunftp 0.11.2
[INFO] tweaked toml for crates.io crate libunftp 0.11.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate libunftp 0.11.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 499334c70c571693de7c2d30fe0255c937591f2ddc20aab4343b846bf943d4e2
[INFO] running `Command { std: "docker" "start" "-a" "499334c70c571693de7c2d30fe0255c937591f2ddc20aab4343b846bf943d4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "499334c70c571693de7c2d30fe0255c937591f2ddc20aab4343b846bf943d4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "499334c70c571693de7c2d30fe0255c937591f2ddc20aab4343b846bf943d4e2", kill_on_drop: false }`
[INFO] [stdout] 499334c70c571693de7c2d30fe0255c937591f2ddc20aab4343b846bf943d4e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b5c8d45f6aaf62d038857a70a55cdcb1376da3be680ce4cf9ac91828c250566
[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" "0b5c8d45f6aaf62d038857a70a55cdcb1376da3be680ce4cf9ac91828c250566", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling proc-macro-nested v0.1.5
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling bytes v0.5.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling protobuf v2.14.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling prometheus v0.9.0
[INFO] [stderr]    Compiling object v0.19.0
[INFO] [stderr]    Compiling std_prelude v0.2.12
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling tracing-core v0.1.10
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling slog-scope v4.3.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling crossbeam-queue v0.2.2
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling ring v0.16.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling slog-stdlog v4.0.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling stfu8 v0.2.4
[INFO] [stderr]    Compiling addr2line v0.12.1
[INFO] [stderr]    Compiling backtrace v0.3.48
[INFO] [stderr]    Compiling webpki v0.21.3
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling rustls v0.17.0
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.20
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]    Compiling tracing-attributes v0.1.8
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling thiserror v1.0.19
[INFO] [stderr]    Compiling proxy-protocol v0.1.1
[INFO] [stderr]    Compiling tracing v0.1.15
[INFO] [stderr]    Compiling pin-project v0.4.20
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-rustls v0.13.1
[INFO] [stderr]    Compiling path_abs v0.5.0
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling libunftp v0.11.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 53s
[INFO] running `Command { std: "docker" "inspect" "0b5c8d45f6aaf62d038857a70a55cdcb1376da3be680ce4cf9ac91828c250566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b5c8d45f6aaf62d038857a70a55cdcb1376da3be680ce4cf9ac91828c250566", kill_on_drop: false }`
[INFO] [stdout] 0b5c8d45f6aaf62d038857a70a55cdcb1376da3be680ce4cf9ac91828c250566
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fd8c44b483bbb9bfb394ef661082c897f0aec65b211fe79846d55a4848294bf
[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" "8fd8c44b483bbb9bfb394ef661082c897f0aec65b211fe79846d55a4848294bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling sharded-slab v0.0.9
[INFO] [stderr]    Compiling tracing-serde v0.1.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling tracing-log v0.1.1
[INFO] [stderr]    Compiling async_ftp v4.0.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling tracing-subscriber v0.2.7
[INFO] [stderr]    Compiling libunftp v0.11.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `libunftp`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name main --edition=2018 tests/main.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -Cembed-bitcode=no -C debuginfo=2 --test -C metadata=806e9fe884bca968 -C extra-filename=-806e9fe884bca968 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-90cd0c66e85bb0bc.so --extern async_ftp=/opt/rustwide/target/debug/deps/libasync_ftp-aa264c73ab2a4241.rlib --extern bytes=/opt/rustwide/target/debug/deps/libbytes-e2f7d60ed17837d2.rlib --extern chrono=/opt/rustwide/target/debug/deps/libchrono-b5c1069aacf454eb.rlib --extern clap=/opt/rustwide/target/debug/deps/libclap-77f931fbdca541ba.rlib --extern failure=/opt/rustwide/target/debug/deps/libfailure-6cf0a6d270972a2e.rlib --extern failure_derive=/opt/rustwide/target/debug/deps/libfailure_derive-15e74b908b62aa5b.so --extern futures=/opt/rustwide/target/debug/deps/libfutures-ba5ed66d92180a9f.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31d911caff3602c2.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-7c0477ae3415ac1f.rlib --extern libunftp=/opt/rustwide/target/debug/deps/liblibunftp-5067527c04a576e0.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-2c5a3e6f05aa3f12.rlib --extern path_abs=/opt/rustwide/target/debug/deps/libpath_abs-7a34798982843c5b.rlib --extern pretty_assertions=/opt/rustwide/target/debug/deps/libpretty_assertions-764d491a2478e0c7.rlib --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-2573a525a7d77362.rlib --extern prometheus=/opt/rustwide/target/debug/deps/libprometheus-2621fbda419eaff0.rlib --extern proxy_protocol=/opt/rustwide/target/debug/deps/libproxy_protocol-6654a88151f5a6ce.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-7fb98764e3fce434.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-4da3f475abc140e9.rlib --extern rustls=/opt/rustwide/target/debug/deps/librustls-e84cec06a4e13dfc.rlib --extern slog=/opt/rustwide/target/debug/deps/libslog-c3fd561ea715db3e.rlib --extern slog_stdlog=/opt/rustwide/target/debug/deps/libslog_stdlog-0e4bf135435cb684.rlib --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-9b1885b876b84568.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-4a1f5b3f708a3374.rlib --extern tokio_rustls=/opt/rustwide/target/debug/deps/libtokio_rustls-fb292555d0e86b69.rlib --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-d127e8cb5fe3569b.rlib --extern tracing=/opt/rustwide/target/debug/deps/libtracing-011ea246e96ba896.rlib --extern tracing_attributes=/opt/rustwide/target/debug/deps/libtracing_attributes-a6171526d611fe12.so --extern tracing_futures=/opt/rustwide/target/debug/deps/libtracing_futures-647ef78082583134.rlib --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-e4536e63f7198dd5.rlib --extern uuid=/opt/rustwide/target/debug/deps/libuuid-2e1a2d124249045c.rlib --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/ring-cbaac806de3cb790/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" "8fd8c44b483bbb9bfb394ef661082c897f0aec65b211fe79846d55a4848294bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fd8c44b483bbb9bfb394ef661082c897f0aec65b211fe79846d55a4848294bf", kill_on_drop: false }`
[INFO] [stdout] 8fd8c44b483bbb9bfb394ef661082c897f0aec65b211fe79846d55a4848294bf