[INFO] fetching crate json_rpc 0.2.0... [INFO] checking json_rpc-0.2.0 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863 [INFO] extracting crate json_rpc 0.2.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate json_rpc 0.2.0 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate json_rpc 0.2.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate json_rpc 0.2.0 [INFO] tweaked toml for crates.io crate json_rpc 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded asynchronous v0.4.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 44cd7db4900f180e5568046ae6ee867c249faadf1aad9256ea3c8ad682232f38 [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" "44cd7db4900f180e5568046ae6ee867c249faadf1aad9256ea3c8ad682232f38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "44cd7db4900f180e5568046ae6ee867c249faadf1aad9256ea3c8ad682232f38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44cd7db4900f180e5568046ae6ee867c249faadf1aad9256ea3c8ad682232f38", kill_on_drop: false }` [INFO] [stdout] 44cd7db4900f180e5568046ae6ee867c249faadf1aad9256ea3c8ad682232f38 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3d2fa821e088988fe4ca0718af50a72777f6b906651f64faa6d7702ca66c5373 [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" "3d2fa821e088988fe4ca0718af50a72777f6b906651f64faa6d7702ca66c5373", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling libc v0.2.85 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking futures-channel v0.3.12 [INFO] [stderr] Checking futures-util v0.3.12 [INFO] [stderr] Checking log v0.4.14 [INFO] [stderr] Checking tracing-core v0.1.17 [INFO] [stderr] Checking http v0.2.3 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Compiling tokio v1.2.0 [INFO] [stderr] Checking tracing v0.1.23 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking num_cpus v0.2.13 [INFO] [stderr] Checking asynchronous v0.4.5 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Checking json_rpc v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] error: extern crate `rustc_serialize` is private, and cannot be re-exported (error E0365), consider declaring with `pub` [INFO] [stdout] --> src/lib.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | pub use rustc_serialize as serialize; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(pub_use_of_private_extern_crate)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #34537 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/lib.rs:100:24 [INFO] [stdout] | [INFO] [stdout] 100 | -32099 ... -32000 => "Server error".to_string(), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:120:39 [INFO] [stdout] | [INFO] [stdout] 120 | methods: BTreeMap Result + 'static + Send + Sync >>> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Json) -> Result + 'static + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `json_rpc` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "3d2fa821e088988fe4ca0718af50a72777f6b906651f64faa6d7702ca66c5373", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d2fa821e088988fe4ca0718af50a72777f6b906651f64faa6d7702ca66c5373", kill_on_drop: false }` [INFO] [stdout] 3d2fa821e088988fe4ca0718af50a72777f6b906651f64faa6d7702ca66c5373