[INFO] fetching crate rtdlib 0.6.2...
[INFO] checking rtdlib-0.6.2 against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] extracting crate rtdlib 0.6.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rtdlib 0.6.2 on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rtdlib 0.6.2
[INFO] finished tweaking crates.io crate rtdlib 0.6.2
[INFO] tweaked toml for crates.io crate rtdlib 0.6.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rtdlib-sys v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b319d4166a1dfa069eadfebfaf5502332a9b3f1359be0ad7a72ec8fc1ce5880
[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" "6b319d4166a1dfa069eadfebfaf5502332a9b3f1359be0ad7a72ec8fc1ce5880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b319d4166a1dfa069eadfebfaf5502332a9b3f1359be0ad7a72ec8fc1ce5880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b319d4166a1dfa069eadfebfaf5502332a9b3f1359be0ad7a72ec8fc1ce5880", kill_on_drop: false }`
[INFO] [stdout] 6b319d4166a1dfa069eadfebfaf5502332a9b3f1359be0ad7a72ec8fc1ce5880
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75b68ef17af18be79837f202720ed0ef1f6982a47077380894b5e3047561ffa0
[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" "75b68ef17af18be79837f202720ed0ef1f6982a47077380894b5e3047561ffa0", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking rtdlib v0.6.2 (/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 -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=1ff8372aade811c3 -C extra-filename=-1ff8372aade811c3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libc=/opt/rustwide/target/debug/deps/liblibc-29558494146b64b1.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-069e103ea6cb229f.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-72500e7d3cf04b4b.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-193e2e17724ee7d8.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:36:30
[INFO] [stdout]    |
[INFO] [stdout] 36 |   fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:30:36
[INFO] [stdout]    |
[INFO] [stdout] 30 |       RTDError::Io(ref err) => err.description(),
[INFO] [stdout]    |                                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:31:43
[INFO] [stdout]    |
[INFO] [stdout] 31 |       RTDError::SerdeJson(ref err) => err.description(),
[INFO] [stdout]    |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "75b68ef17af18be79837f202720ed0ef1f6982a47077380894b5e3047561ffa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b68ef17af18be79837f202720ed0ef1f6982a47077380894b5e3047561ffa0", kill_on_drop: false }`
[INFO] [stdout] 75b68ef17af18be79837f202720ed0ef1f6982a47077380894b5e3047561ffa0