[INFO] fetching crate json_rpc 0.2.0... [INFO] checking json_rpc-0.2.0 against try#169954edd744527414c631e9af1bbdc537b0cdf2 for pr-75192 [INFO] extracting crate json_rpc 0.2.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate json_rpc 0.2.0 on toolchain 169954edd744527414c631e9af1bbdc537b0cdf2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "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-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a6c54da3271b9e17fcd8897e96c614c12987b17f1d783da66657d4c5867bef3c [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" "a6c54da3271b9e17fcd8897e96c614c12987b17f1d783da66657d4c5867bef3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a6c54da3271b9e17fcd8897e96c614c12987b17f1d783da66657d4c5867bef3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6c54da3271b9e17fcd8897e96c614c12987b17f1d783da66657d4c5867bef3c", kill_on_drop: false }` [INFO] [stdout] a6c54da3271b9e17fcd8897e96c614c12987b17f1d783da66657d4c5867bef3c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 185564ca9207de794dec636f298580e5a8a5f9708ba9c4678925f024d8ae2be1 [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" "185564ca9207de794dec636f298580e5a8a5f9708ba9c4678925f024d8ae2be1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking tracing-core v0.1.15 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Compiling hashbrown v0.8.2 [INFO] [stderr] Compiling indexmap v1.5.1 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking http v0.2.1 [INFO] [stderr] Checking tracing v0.1.19 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking num_cpus v0.2.13 [INFO] [stderr] Checking socket2 v0.3.12 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking asynchronous v0.4.5 [INFO] [stderr] Checking json_rpc v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking mio v0.6.22 [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" "185564ca9207de794dec636f298580e5a8a5f9708ba9c4678925f024d8ae2be1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "185564ca9207de794dec636f298580e5a8a5f9708ba9c4678925f024d8ae2be1", kill_on_drop: false }` [INFO] [stdout] 185564ca9207de794dec636f298580e5a8a5f9708ba9c4678925f024d8ae2be1