[INFO] fetching crate dockworker 0.0.21...
[INFO] testing dockworker-0.0.21 against 1.49.0 for beta-1.50-1
[INFO] extracting crate dockworker 0.0.21 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate dockworker 0.0.21 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dockworker 0.0.21
[INFO] finished tweaking crates.io crate dockworker 0.0.21
[INFO] tweaked toml for crates.io crate dockworker 0.0.21 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate dockworker 0.0.21 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbfb39566f391b9ba3fc17255db95e1cd3e4bc5b26a81c7fd0cd1f07a054b804
[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" "fbfb39566f391b9ba3fc17255db95e1cd3e4bc5b26a81c7fd0cd1f07a054b804", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbfb39566f391b9ba3fc17255db95e1cd3e4bc5b26a81c7fd0cd1f07a054b804", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbfb39566f391b9ba3fc17255db95e1cd3e4bc5b26a81c7fd0cd1f07a054b804", kill_on_drop: false }`
[INFO] [stdout] fbfb39566f391b9ba3fc17255db95e1cd3e4bc5b26a81c7fd0cd1f07a054b804
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bc76239972663f5a8e8d122f3ecbfa61649a180146adb8c232955495a9dbf6b
[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" "6bc76239972663f5a8e8d122f3ecbfa61649a180146adb8c232955495a9dbf6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling futures-core v0.3.7
[INFO] [stderr]    Compiling futures-sink v0.3.7
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling futures-io v0.3.7
[INFO] [stderr]    Compiling object v0.21.1
[INFO] [stderr]    Compiling hyperx v1.2.0
[INFO] [stderr]    Compiling futures-task v0.3.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling futures-macro v0.3.7
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling futures-channel v0.3.7
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling futures-util v0.3.7
[INFO] [stderr]    Compiling net2 v0.2.35
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.2.1
[INFO] [stderr]    Compiling socket2 v0.3.15
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.12
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling unix_socket v0.5.0
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling tar v0.4.30
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling backtrace v0.3.53
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling futures-executor v0.3.7
[INFO] [stderr]    Compiling futures v0.3.7
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling hyper v0.13.8
[INFO] [stderr]    Compiling hyperlocal v0.7.0
[INFO] [stderr]    Compiling dockworker v0.0.21 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 02s
[INFO] running `Command { std: "docker" "inspect" "6bc76239972663f5a8e8d122f3ecbfa61649a180146adb8c232955495a9dbf6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bc76239972663f5a8e8d122f3ecbfa61649a180146adb8c232955495a9dbf6b", kill_on_drop: false }`
[INFO] [stdout] 6bc76239972663f5a8e8d122f3ecbfa61649a180146adb8c232955495a9dbf6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03c77768a4fd63945f8e3d835c4097a6201e92b621e2f8c6d9a45b1eb93ae8f6
[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" "03c77768a4fd63945f8e3d835c4097a6201e92b621e2f8c6d9a45b1eb93ae8f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling env_logger v0.8.1
[INFO] [stderr]    Compiling dockworker v0.0.21 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `dockworker::Docker::containers`
[INFO] [stdout]   --> examples/findports.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let containers = docker.containers(ContainerListOptions::default().all())?;
[INFO] [stdout]    |                             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `dockworker::Docker::containers`
[INFO] [stdout]  --> examples/filesystem.rs:8:37
[INFO] [stdout]   |
[INFO] [stdout] 8 |     if let Some(container) = docker.containers(opts).unwrap().get(0) {
[INFO] [stdout]   |                                     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `dockworker::Docker::containers`
[INFO] [stdout]   --> examples/export.rs:11:37
[INFO] [stdout]    |
[INFO] [stdout] 11 |     if let Some(container) = docker.containers(opts).unwrap().get(0) {
[INFO] [stdout]    |                                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dockworker`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name networks --edition=2018 examples/networks.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=cc951814388cbece -C extra-filename=-cc951814388cbece --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern backtrace_sys=/opt/rustwide/target/debug/deps/libbacktrace_sys-e338d63be855a52d.rlib --extern base64=/opt/rustwide/target/debug/deps/libbase64-394e463f53b3ae27.rlib --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-04b16b37fbc1beb3.rlib --extern chrono=/opt/rustwide/target/debug/deps/libchrono-ae45a88ca9402c44.rlib --extern dirs=/opt/rustwide/target/debug/deps/libdirs-67cf383e549b564d.rlib --extern dockworker=/opt/rustwide/target/debug/deps/libdockworker-0c0d5bcef4525b02.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-1b6b2869219c4682.rlib --extern failure=/opt/rustwide/target/debug/deps/libfailure-6243a4655b15f5f0.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-8b303231a963bc65.rlib --extern http=/opt/rustwide/target/debug/deps/libhttp-62abdda2dfd21777.rlib --extern hyper=/opt/rustwide/target/debug/deps/libhyper-17bbea377184d7c8.rlib --extern hyperlocal=/opt/rustwide/target/debug/deps/libhyperlocal-7eda45b0d08c1fc9.rlib --extern hyperx=/opt/rustwide/target/debug/deps/libhyperx-58e54c47034bc201.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-e85f58044ae91ffe.rlib --extern mime=/opt/rustwide/target/debug/deps/libmime-1f80b638f4e5cb9c.rlib --extern nix=/opt/rustwide/target/debug/deps/libnix-ab3a7eaeebb4880c.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-1b7f7ab2177811b4.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-4f4e3583aca69d64.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-eb215f896f9385f7.rlib --extern tar=/opt/rustwide/target/debug/deps/libtar-1388334aa13d40a8.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-c05b5944c419a4af.rlib --extern unix_socket=/opt/rustwide/target/debug/deps/libunix_socket-f78b1f3acbeb3652.rlib --extern url=/opt/rustwide/target/debug/deps/liburl-3fef8bff03050372.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/backtrace-sys-859bdde064c3f1fa/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" "03c77768a4fd63945f8e3d835c4097a6201e92b621e2f8c6d9a45b1eb93ae8f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03c77768a4fd63945f8e3d835c4097a6201e92b621e2f8c6d9a45b1eb93ae8f6", kill_on_drop: false }`
[INFO] [stdout] 03c77768a4fd63945f8e3d835c4097a6201e92b621e2f8c6d9a45b1eb93ae8f6