[INFO] fetching crate json_rpc 0.2.0... [INFO] checking json_rpc-0.2.0 against master#a874956d940ecb3ed524b6176a171219ac4787ea for pr-76104 [INFO] extracting crate json_rpc 0.2.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate json_rpc 0.2.0 on toolchain a874956d940ecb3ed524b6176a171219ac4787ea [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "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-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 547f98599fa5124bd8e96daa9a344b5929929d6d04114cbfba82ca2e235b2d97 [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" "547f98599fa5124bd8e96daa9a344b5929929d6d04114cbfba82ca2e235b2d97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "547f98599fa5124bd8e96daa9a344b5929929d6d04114cbfba82ca2e235b2d97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "547f98599fa5124bd8e96daa9a344b5929929d6d04114cbfba82ca2e235b2d97", kill_on_drop: false }` [INFO] [stdout] 547f98599fa5124bd8e96daa9a344b5929929d6d04114cbfba82ca2e235b2d97 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4d24b768c94a1c3a501193a32f867ca300565252b119fd76cf20c806ff456975 [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" "4d24b768c94a1c3a501193a32f867ca300565252b119fd76cf20c806ff456975", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.21 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking hashbrown v0.9.0 [INFO] [stderr] Checking futures-sink v0.3.5 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Checking tracing-core v0.1.16 [INFO] [stderr] Checking log v0.4.11 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.35 [INFO] [stderr] Checking num_cpus v0.2.13 [INFO] [stderr] Checking socket2 v0.3.15 [INFO] [stderr] Checking asynchronous v0.4.5 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking http v0.2.1 [INFO] [stderr] Checking tracing v0.1.19 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling syn v1.0.41 [INFO] [stderr] Checking tokio v0.2.22 [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" "4d24b768c94a1c3a501193a32f867ca300565252b119fd76cf20c806ff456975", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d24b768c94a1c3a501193a32f867ca300565252b119fd76cf20c806ff456975", kill_on_drop: false }` [INFO] [stdout] 4d24b768c94a1c3a501193a32f867ca300565252b119fd76cf20c806ff456975