[INFO] fetching crate jsonrpc-client-transports 18.0.0... [INFO] checking jsonrpc-client-transports-18.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate jsonrpc-client-transports 18.0.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate jsonrpc-client-transports 18.0.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate jsonrpc-client-transports 18.0.0 [INFO] finished tweaking crates.io crate jsonrpc-client-transports 18.0.0 [INFO] tweaked toml for crates.io crate jsonrpc-client-transports 18.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 217 packages [INFO] [stderr] Adding autocfg v0.1.8 (latest: v1.2.0) [INFO] [stderr] Adding base64 v0.9.3 (latest: v0.22.0) [INFO] [stderr] Adding base64 v0.10.1 (latest: v0.22.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding bytes v0.4.12 (latest: v1.6.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding convert_case v0.4.0 (latest: v0.6.0) [INFO] [stderr] Adding crossbeam-utils v0.7.2 (latest: v0.8.19) [INFO] [stderr] Adding env_logger v0.7.1 (latest: v0.11.3) [INFO] [stderr] Adding foreign-types v0.3.2 (latest: v0.5.0) [INFO] [stderr] Adding foreign-types-shared v0.1.1 (latest: v0.3.1) [INFO] [stderr] Adding futures v0.1.31 (latest: v0.3.30) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.12) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding http v0.2.12 (latest: v1.1.0) [INFO] [stderr] Adding http-body v0.4.6 (latest: v1.0.0) [INFO] [stderr] Adding humantime v1.3.0 (latest: v2.1.0) [INFO] [stderr] Adding hyper v0.10.16 (latest: v1.2.0) [INFO] [stderr] Adding hyper v0.14.28 (latest: v1.2.0) [INFO] [stderr] Adding hyper-tls v0.5.0 (latest: v0.6.0) [INFO] [stderr] Adding idna v0.1.5 (latest: v0.5.0) [INFO] [stderr] Adding language-tags v0.2.2 (latest: v0.3.2) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding lock_api v0.3.4 (latest: v0.4.11) [INFO] [stderr] Adding log v0.3.9 (latest: v0.4.21) [INFO] [stderr] Adding mime v0.2.6 (latest: v0.3.17) [INFO] [stderr] Adding mio v0.6.23 (latest: v0.8.11) [INFO] [stderr] Adding miow v0.2.2 (latest: v0.6.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding parking_lot v0.9.0 (latest: v0.12.1) [INFO] [stderr] Adding parking_lot v0.11.2 (latest: v0.12.1) [INFO] [stderr] Adding parking_lot_core v0.6.3 (latest: v0.9.9) [INFO] [stderr] Adding parking_lot_core v0.8.6 (latest: v0.9.9) [INFO] [stderr] Adding percent-encoding v1.0.1 (latest: v2.3.1) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [INFO] [stderr] Adding rand v0.6.5 (latest: v0.8.5) [INFO] [stderr] Adding rand v0.7.3 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.1.1 (latest: v0.3.1) [INFO] [stderr] Adding rand_chacha v0.2.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.5.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.1.0 (latest: v0.3.2) [INFO] [stderr] Adding rand_hc v0.2.0 (latest: v0.3.2) [INFO] [stderr] Adding rand_isaac v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding rand_jitter v0.1.4 (latest: v0.4.0) [INFO] [stderr] Adding rand_os v0.1.3 (latest: v0.2.2) [INFO] [stderr] Adding rand_pcg v0.1.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_xorshift v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding redox_syscall v0.1.57 (latest: v0.5.1) [INFO] [stderr] Adding redox_syscall v0.2.16 (latest: v0.5.1) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding rustc_version v0.2.3 (latest: v0.4.0) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.22) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding sha1 v0.6.1 (latest: v0.10.6) [INFO] [stderr] Adding smallvec v0.6.14 (latest: v1.13.2) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding time v0.1.45 (latest: v0.3.34) [INFO] [stderr] Adding tokio-tls v0.2.1 (latest: v0.3.1) [INFO] [stderr] Adding tokio-util v0.6.10 (latest: v0.7.10) [INFO] [stderr] Adding unicase v1.4.2 (latest: v2.7.0) [INFO] [stderr] Adding url v1.7.2 (latest: v2.5.0) [INFO] [stderr] Adding version_check v0.1.5 (latest: v0.9.4) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding websocket v0.24.0 (latest: v0.27.1) [INFO] [stderr] Adding websocket-base v0.24.0 (latest: v0.26.5) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [INFO] [stderr] Adding windows-sys v0.48.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded parity-tokio-ipc v0.9.0 [INFO] [stderr] Downloaded jsonrpc-core v18.0.0 [INFO] [stderr] Downloaded jsonrpc-pubsub v18.0.0 [INFO] [stderr] Downloaded jsonrpc-ipc-server v18.0.0 [INFO] [stderr] Downloaded websocket v0.24.0 [INFO] [stderr] Downloaded jsonrpc-http-server v18.0.0 [INFO] [stderr] Downloaded jsonrpc-server-utils v18.0.0 [INFO] [stderr] Downloaded tokio-tls v0.2.1 [INFO] [stderr] Downloaded websocket-base v0.24.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 39376ae638b44d395384460818668ffe6f6382d5c6b8e2d54b75052d4c21cc0b [INFO] running `Command { std: "docker" "start" "-a" "39376ae638b44d395384460818668ffe6f6382d5c6b8e2d54b75052d4c21cc0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "39376ae638b44d395384460818668ffe6f6382d5c6b8e2d54b75052d4c21cc0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39376ae638b44d395384460818668ffe6f6382d5c6b8e2d54b75052d4c21cc0b", kill_on_drop: false }` [INFO] [stdout] 39376ae638b44d395384460818668ffe6f6382d5c6b8e2d54b75052d4c21cc0b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3ec74bbd3c865292df7919565f32e60a38671cba0e1c8d9f4e4b271338aa9495 [INFO] running `Command { std: "docker" "start" "-a" "3ec74bbd3c865292df7919565f32e60a38671cba0e1c8d9f4e4b271338aa9495", kill_on_drop: false }` [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking unicode-normalization v0.1.23 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking unicode-bidi v0.3.15 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking matches v0.1.10 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking bstr v1.9.1 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking sha1_smol v1.0.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking sha1 v0.6.1 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking assert_matches v1.5.0 [INFO] [stderr] Checking hyper v0.10.16 [INFO] [stderr] Checking globset v0.4.14 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking openssl v0.10.64 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Compiling derive_more v0.99.17 [INFO] [stderr] Checking native-tls v0.2.11 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking tokio-tls v0.2.1 [INFO] [stderr] Checking websocket-base v0.24.0 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking websocket v0.24.0 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking tokio-stream v0.1.15 [INFO] [stderr] Checking tokio-util v0.6.10 [INFO] [stderr] Checking hyper v0.14.28 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking parity-tokio-ipc v0.9.0 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking jsonrpc-core v18.0.0 [INFO] [stderr] Checking jsonrpc-server-utils v18.0.0 [INFO] [stderr] Checking jsonrpc-pubsub v18.0.0 [INFO] [stderr] Checking jsonrpc-ipc-server v18.0.0 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking jsonrpc-http-server v18.0.0 [INFO] [stderr] Checking jsonrpc-client-transports v18.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `futures` is imported redundantly [INFO] [stdout] --> src/lib.rs:7:2 [INFO] [stdout] | [INFO] [stdout] 7 | self, [INFO] [stdout] | ^^^^ the item `futures` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/transports/http.rs:108:21 [INFO] [stdout] | [INFO] [stdout] 106 | use crate::*; [INFO] [stdout] | -------- the item `Error` is already imported here [INFO] [stdout] 107 | use assert_matches::assert_matches; [INFO] [stdout] 108 | use jsonrpc_core::{Error, ErrorCode, IoHandler, Params, Value}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Params` is imported redundantly [INFO] [stdout] --> src/transports/http.rs:108:50 [INFO] [stdout] | [INFO] [stdout] 106 | use crate::*; [INFO] [stdout] | -------- the item `Params` is already imported here [INFO] [stdout] 107 | use assert_matches::assert_matches; [INFO] [stdout] 108 | use jsonrpc_core::{Error, ErrorCode, IoHandler, Params, Value}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Value` is imported redundantly [INFO] [stdout] --> src/transports/http.rs:108:58 [INFO] [stdout] | [INFO] [stdout] 106 | use crate::*; [INFO] [stdout] | -------- the item `Value` is already imported here [INFO] [stdout] 107 | use assert_matches::assert_matches; [INFO] [stdout] 108 | use jsonrpc_core::{Error, ErrorCode, IoHandler, Params, Value}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Notification` is imported redundantly [INFO] [stdout] --> src/transports/mod.rs:169:30 [INFO] [stdout] | [INFO] [stdout] 168 | use super::*; [INFO] [stdout] | -------- the item `Notification` is already imported here [INFO] [stdout] 169 | use jsonrpc_core::{Failure, Notification, Output, Params, Success, Value, Version}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Params` is imported redundantly [INFO] [stdout] --> src/transports/mod.rs:169:52 [INFO] [stdout] | [INFO] [stdout] 168 | use super::*; [INFO] [stdout] | -------- the item `Params` is already imported here [INFO] [stdout] 169 | use jsonrpc_core::{Failure, Notification, Output, Params, Success, Value, Version}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Value` is imported redundantly [INFO] [stdout] --> src/transports/mod.rs:169:69 [INFO] [stdout] | [INFO] [stdout] 168 | use super::*; [INFO] [stdout] | -------- the item `Value` is already imported here [INFO] [stdout] 169 | use jsonrpc_core::{Failure, Notification, Output, Params, Success, Value, Version}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Version` is imported redundantly [INFO] [stdout] --> src/transports/mod.rs:169:76 [INFO] [stdout] | [INFO] [stdout] 168 | use super::*; [INFO] [stdout] | -------- the item `Version` is already imported here [INFO] [stdout] 169 | use jsonrpc_core::{Failure, Notification, Output, Params, Success, Value, Version}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `RpcChannel` is imported redundantly [INFO] [stdout] --> src/lib.rs:346:14 [INFO] [stdout] | [INFO] [stdout] 344 | use super::*; [INFO] [stdout] | -------- the item `RpcChannel` is already imported here [INFO] [stdout] 345 | use crate::transports::local; [INFO] [stdout] 346 | use crate::{RpcChannel, TypedClient}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TypedClient` is imported redundantly [INFO] [stdout] --> src/lib.rs:346:26 [INFO] [stdout] | [INFO] [stdout] 344 | use super::*; [INFO] [stdout] | -------- the item `TypedClient` is already imported here [INFO] [stdout] 345 | use crate::transports::local; [INFO] [stdout] 346 | use crate::{RpcChannel, TypedClient}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.72s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] running `Command { std: "docker" "inspect" "3ec74bbd3c865292df7919565f32e60a38671cba0e1c8d9f4e4b271338aa9495", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ec74bbd3c865292df7919565f32e60a38671cba0e1c8d9f4e4b271338aa9495", kill_on_drop: false }` [INFO] [stdout] 3ec74bbd3c865292df7919565f32e60a38671cba0e1c8d9f4e4b271338aa9495 [INFO] checking jsonrpc-client-transports-18.0.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate jsonrpc-client-transports 18.0.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate jsonrpc-client-transports 18.0.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate jsonrpc-client-transports 18.0.0 [INFO] finished tweaking crates.io crate jsonrpc-client-transports 18.0.0 [INFO] tweaked toml for crates.io crate jsonrpc-client-transports 18.0.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 08a05b05bf76ec7665cab9cdfa4edeaba8a6fd9c61c2ee40009920793a1448b1 [INFO] running `Command { std: "docker" "start" "-a" "08a05b05bf76ec7665cab9cdfa4edeaba8a6fd9c61c2ee40009920793a1448b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "08a05b05bf76ec7665cab9cdfa4edeaba8a6fd9c61c2ee40009920793a1448b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08a05b05bf76ec7665cab9cdfa4edeaba8a6fd9c61c2ee40009920793a1448b1", kill_on_drop: false }` [INFO] [stdout] 08a05b05bf76ec7665cab9cdfa4edeaba8a6fd9c61c2ee40009920793a1448b1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cf2c8a680feeb0e6b671527d3bb2551c4747ddda23fbbce81c97c2b1c894982d [INFO] running `Command { std: "docker" "start" "-a" "cf2c8a680feeb0e6b671527d3bb2551c4747ddda23fbbce81c97c2b1c894982d", kill_on_drop: false }` [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Checking unicode-normalization v0.1.23 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking matches v0.1.10 [INFO] [stderr] Checking unicode-bidi v0.3.15 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking bstr v1.9.1 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking sha1_smol v1.0.0 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking sha1 v0.6.1 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking assert_matches v1.5.0 [INFO] [stderr] Checking hyper v0.10.16 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Checking globset v0.4.14 [INFO] [stderr] Checking openssl v0.10.64 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Compiling derive_more v0.99.17 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking native-tls v0.2.11 [INFO] [stderr] Checking tokio-tls v0.2.1 [INFO] [stderr] Checking websocket-base v0.24.0 [INFO] [stderr] Checking websocket v0.24.0 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking tokio-util v0.6.10 [INFO] [stderr] Checking tokio-stream v0.1.15 [INFO] [stderr] Checking hyper v0.14.28 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking parity-tokio-ipc v0.9.0 [INFO] [stderr] Checking jsonrpc-core v18.0.0 [INFO] [stderr] Checking jsonrpc-server-utils v18.0.0 [INFO] [stderr] Checking jsonrpc-pubsub v18.0.0 [INFO] [stderr] Checking jsonrpc-ipc-server v18.0.0 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking jsonrpc-http-server v18.0.0 [INFO] [stderr] Checking jsonrpc-client-transports v18.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `futures` is imported redundantly [INFO] [stdout] --> src/lib.rs:7:2 [INFO] [stdout] | [INFO] [stdout] 7 | self, [INFO] [stdout] | ^^^^ the item `futures` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/transports/http.rs:108:21 [INFO] [stdout] | [INFO] [stdout] 106 | use crate::*; [INFO] [stdout] | -------- the item `Error` is already imported here [INFO] [stdout] 107 | use assert_matches::assert_matches; [INFO] [stdout] 108 | use jsonrpc_core::{Error, ErrorCode, IoHandler, Params, Value}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Params` is imported redundantly [INFO] [stdout] --> src/transports/http.rs:108:50 [INFO] [stdout] | [INFO] [stdout] 106 | use crate::*; [INFO] [stdout] | -------- the item `Params` is already imported here [INFO] [stdout] 107 | use assert_matches::assert_matches; [INFO] [stdout] 108 | use jsonrpc_core::{Error, ErrorCode, IoHandler, Params, Value}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Value` is imported redundantly [INFO] [stdout] --> src/transports/http.rs:108:58 [INFO] [stdout] | [INFO] [stdout] 106 | use crate::*; [INFO] [stdout] | -------- the item `Value` is already imported here [INFO] [stdout] 107 | use assert_matches::assert_matches; [INFO] [stdout] 108 | use jsonrpc_core::{Error, ErrorCode, IoHandler, Params, Value}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Notification` is imported redundantly [INFO] [stdout] --> src/transports/mod.rs:169:30 [INFO] [stdout] | [INFO] [stdout] 168 | use super::*; [INFO] [stdout] | -------- the item `Notification` is already imported here [INFO] [stdout] 169 | use jsonrpc_core::{Failure, Notification, Output, Params, Success, Value, Version}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Params` is imported redundantly [INFO] [stdout] --> src/transports/mod.rs:169:52 [INFO] [stdout] | [INFO] [stdout] 168 | use super::*; [INFO] [stdout] | -------- the item `Params` is already imported here [INFO] [stdout] 169 | use jsonrpc_core::{Failure, Notification, Output, Params, Success, Value, Version}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Value` is imported redundantly [INFO] [stdout] --> src/transports/mod.rs:169:69 [INFO] [stdout] | [INFO] [stdout] 168 | use super::*; [INFO] [stdout] | -------- the item `Value` is already imported here [INFO] [stdout] 169 | use jsonrpc_core::{Failure, Notification, Output, Params, Success, Value, Version}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Version` is imported redundantly [INFO] [stdout] --> src/transports/mod.rs:169:76 [INFO] [stdout] | [INFO] [stdout] 168 | use super::*; [INFO] [stdout] | -------- the item `Version` is already imported here [INFO] [stdout] 169 | use jsonrpc_core::{Failure, Notification, Output, Params, Success, Value, Version}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `RpcChannel` is imported redundantly [INFO] [stdout] --> src/lib.rs:346:14 [INFO] [stdout] | [INFO] [stdout] 344 | use super::*; [INFO] [stdout] | -------- the item `RpcChannel` is already imported here [INFO] [stdout] 345 | use crate::transports::local; [INFO] [stdout] 346 | use crate::{RpcChannel, TypedClient}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TypedClient` is imported redundantly [INFO] [stdout] --> src/lib.rs:346:26 [INFO] [stdout] | [INFO] [stdout] 344 | use super::*; [INFO] [stdout] | -------- the item `TypedClient` is already imported here [INFO] [stdout] 345 | use crate::transports::local; [INFO] [stdout] 346 | use crate::{RpcChannel, TypedClient}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.67s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "cf2c8a680feeb0e6b671527d3bb2551c4747ddda23fbbce81c97c2b1c894982d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf2c8a680feeb0e6b671527d3bb2551c4747ddda23fbbce81c97c2b1c894982d", kill_on_drop: false }` [INFO] [stdout] cf2c8a680feeb0e6b671527d3bb2551c4747ddda23fbbce81c97c2b1c894982d