[INFO] crate json_rpc 0.2.0 is already in cache [INFO] testing json_rpc-0.2.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] extracting crate json_rpc 0.2.0 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate json_rpc 0.2.0 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", 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-10/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 77125bacd6f19a5a95f600aa985ce3f71c0fd3f3c078bf9ee4b0287214aca93d [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" "77125bacd6f19a5a95f600aa985ce3f71c0fd3f3c078bf9ee4b0287214aca93d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "77125bacd6f19a5a95f600aa985ce3f71c0fd3f3c078bf9ee4b0287214aca93d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77125bacd6f19a5a95f600aa985ce3f71c0fd3f3c078bf9ee4b0287214aca93d", kill_on_drop: false }` [INFO] [stdout] 77125bacd6f19a5a95f600aa985ce3f71c0fd3f3c078bf9ee4b0287214aca93d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", 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] c8b8b1a2c6ecd92b17afd7f6673b45f86c8caacd9737bfabf1c7bc9519312fa6 [INFO] running `Command { std: "docker" "start" "-a" "c8b8b1a2c6ecd92b17afd7f6673b45f86c8caacd9737bfabf1c7bc9519312fa6", kill_on_drop: false }` [INFO] [stderr] Compiling num_cpus v0.2.13 [INFO] [stderr] Compiling asynchronous v0.4.5 [INFO] [stderr] Compiling 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] running `Command { std: "docker" "inspect" "c8b8b1a2c6ecd92b17afd7f6673b45f86c8caacd9737bfabf1c7bc9519312fa6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8b8b1a2c6ecd92b17afd7f6673b45f86c8caacd9737bfabf1c7bc9519312fa6", kill_on_drop: false }` [INFO] [stdout] c8b8b1a2c6ecd92b17afd7f6673b45f86c8caacd9737bfabf1c7bc9519312fa6