[INFO] fetching crate liquid-rpc 0.2.0... [INFO] checking liquid-rpc-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate liquid-rpc 0.2.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate liquid-rpc 0.2.0 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 liquid-rpc 0.2.0 [INFO] finished tweaking crates.io crate liquid-rpc 0.2.0 [INFO] tweaked toml for crates.io crate liquid-rpc 0.2.0 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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 51 packages [INFO] [stderr] Adding base64 v0.9.3 (latest: v0.22.0) [INFO] [stderr] Adding bech32 v0.7.3 (latest: v0.11.0) [INFO] [stderr] Adding bitcoin v0.23.0 (latest: v0.31.2) [INFO] [stderr] Adding bitcoin_hashes v0.7.6 (latest: v0.14.0) [INFO] [stderr] Adding bitcoincore-rpc v0.11.0 (latest: v0.18.0) [INFO] [stderr] Adding bitcoincore-rpc-json v0.11.0 (latest: v0.18.0) [INFO] [stderr] Adding cc v1.0.41 (latest: v1.0.90) [INFO] [stderr] Adding elements v0.12.1 (latest: v0.24.1) [INFO] [stderr] Adding hex v0.3.2 (latest: v0.4.3) [INFO] [stderr] Adding hyper v0.10.16 (latest: v1.2.0) [INFO] [stderr] Adding idna v0.1.5 (latest: v0.5.0) [INFO] [stderr] Adding jsonrpc v0.11.0 (latest: v0.17.0) [INFO] [stderr] Adding language-tags v0.2.2 (latest: v0.3.2) [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 percent-encoding v1.0.1 (latest: v2.3.1) [INFO] [stderr] Adding secp256k1 v0.17.2 (latest: v0.29.0) [INFO] [stderr] Adding secp256k1-sys v0.1.2 (latest: v0.10.0) [INFO] [stderr] Adding time v0.1.45 (latest: v0.3.34) [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 v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded liquid-rpc-json v0.2.0 [INFO] [stderr] Downloaded jsonrpc v0.11.0 [INFO] [stderr] Downloaded bitcoincore-rpc v0.11.0 [INFO] [stderr] Downloaded bitcoin_hashes v0.7.6 [INFO] [stderr] Downloaded cc v1.0.41 [INFO] [stderr] Downloaded secp256k1-sys v0.1.2 [INFO] [stderr] Downloaded bitcoin v0.23.0 [INFO] [stderr] Downloaded bitcoincore-rpc-json v0.11.0 [INFO] [stderr] Downloaded secp256k1 v0.17.2 [INFO] [stderr] Downloaded elements v0.12.1 [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] 19d2dc3c3044521eb9ca2b7afe745948869f7763d15bfa8ec04859ae39ac85d4 [INFO] running `Command { std: "docker" "start" "-a" "19d2dc3c3044521eb9ca2b7afe745948869f7763d15bfa8ec04859ae39ac85d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "19d2dc3c3044521eb9ca2b7afe745948869f7763d15bfa8ec04859ae39ac85d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19d2dc3c3044521eb9ca2b7afe745948869f7763d15bfa8ec04859ae39ac85d4", kill_on_drop: false }` [INFO] [stdout] 19d2dc3c3044521eb9ca2b7afe745948869f7763d15bfa8ec04859ae39ac85d4 [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] 018b0cd5d505e7e41cead9d78197915f4f6568d8f8c593f2f2ac716d45048873 [INFO] running `Command { std: "docker" "start" "-a" "018b0cd5d505e7e41cead9d78197915f4f6568d8f8c593f2f2ac716d45048873", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling cc v1.0.41 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking matches v0.1.10 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Compiling secp256k1-sys v0.1.2 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking hyper v0.10.16 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking secp256k1 v0.17.2 [INFO] [stderr] Checking bitcoin_hashes v0.7.6 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking jsonrpc v0.11.0 [INFO] [stderr] Checking bitcoin v0.23.0 [INFO] [stderr] Checking bitcoincore-rpc-json v0.11.0 [INFO] [stderr] Checking elements v0.12.1 [INFO] [stderr] Checking bitcoincore-rpc v0.11.0 [INFO] [stderr] Checking liquid-rpc-json v0.2.0 [INFO] [stderr] Checking liquid-rpc v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `elements` is imported redundantly [INFO] [stdout] --> src/error.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use elements; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:20:1 [INFO] [stdout] | [INFO] [stdout] 20 | pub extern crate elements; [INFO] [stdout] | -------------------------- the item `elements` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `jsonrpc` is imported redundantly [INFO] [stdout] --> src/error.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use jsonrpc; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 21 | pub extern crate jsonrpc; [INFO] [stdout] | ------------------------- the item `jsonrpc` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/error.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:23:1 [INFO] [stdout] | [INFO] [stdout] 23 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `elements` is imported redundantly [INFO] [stdout] --> src/error.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use elements; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:20:1 [INFO] [stdout] | [INFO] [stdout] 20 | pub extern crate elements; [INFO] [stdout] | -------------------------- the item `elements` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `jsonrpc` is imported redundantly [INFO] [stdout] --> src/error.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use jsonrpc; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 21 | pub extern crate jsonrpc; [INFO] [stdout] | ------------------------- the item `jsonrpc` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/error.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:23:1 [INFO] [stdout] | [INFO] [stdout] 23 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:113:32 [INFO] [stdout] | [INFO] [stdout] 113 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 113 | fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:113:32 [INFO] [stdout] | [INFO] [stdout] 113 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 113 | fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.84s [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 2` [INFO] running `Command { std: "docker" "inspect" "018b0cd5d505e7e41cead9d78197915f4f6568d8f8c593f2f2ac716d45048873", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "018b0cd5d505e7e41cead9d78197915f4f6568d8f8c593f2f2ac716d45048873", kill_on_drop: false }` [INFO] [stdout] 018b0cd5d505e7e41cead9d78197915f4f6568d8f8c593f2f2ac716d45048873