[INFO] fetching crate bitconch-jsonrpc-server-utils 0.1.0... [INFO] checking bitconch-jsonrpc-server-utils-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate bitconch-jsonrpc-server-utils 0.1.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate bitconch-jsonrpc-server-utils 0.1.0 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 bitconch-jsonrpc-server-utils 0.1.0 [INFO] finished tweaking crates.io crate bitconch-jsonrpc-server-utils 0.1.0 [INFO] tweaked toml for crates.io crate bitconch-jsonrpc-server-utils 0.1.0 written to /workspace/builds/worker-0-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] Locking 75 packages [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 crossbeam-deque v0.7.4 (latest: v0.8.5) [INFO] [stderr] Adding crossbeam-epoch v0.8.2 (latest: v0.9.18) [INFO] [stderr] Adding crossbeam-queue v0.2.3 (latest: v0.3.11) [INFO] [stderr] Adding crossbeam-utils v0.7.2 (latest: v0.8.19) [INFO] [stderr] Adding futures v0.1.31 (latest: v0.3.30) [INFO] [stderr] Adding lock_api v0.3.4 (latest: v0.4.11) [INFO] [stderr] Adding memoffset v0.5.6 (latest: v0.9.1) [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 parking_lot v0.9.0 (latest: v0.12.1) [INFO] [stderr] Adding parking_lot_core v0.6.3 (latest: v0.9.9) [INFO] [stderr] Adding redox_syscall v0.1.57 (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 smallvec v0.6.14 (latest: v1.13.2) [INFO] [stderr] Adding tokio v0.1.22 (latest: v1.37.0) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [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 bytes v0.4.12 [INFO] [stderr] Downloaded memoffset v0.5.6 [INFO] [stderr] Downloaded tokio-sync v0.1.8 [INFO] [stderr] Downloaded tokio-uds v0.2.7 [INFO] [stderr] Downloaded tokio-codec v0.1.2 [INFO] [stderr] Downloaded tokio-reactor v0.1.12 [INFO] [stderr] Downloaded tokio-udp v0.1.6 [INFO] [stderr] Downloaded tokio-current-thread v0.1.7 [INFO] [stderr] Downloaded tokio-tcp v0.1.4 [INFO] [stderr] Downloaded crossbeam-deque v0.7.4 [INFO] [stderr] Downloaded bitconch-jsonrpc-core v0.1.0 [INFO] [stderr] Downloaded crossbeam-epoch v0.8.2 [INFO] [stderr] Downloaded futures v0.1.31 [INFO] [stderr] Downloaded bstr v1.9.1 [INFO] [stderr] Downloaded tokio-threadpool v0.1.18 [INFO] [stderr] Downloaded tokio-timer v0.2.13 [INFO] [stderr] Downloaded smallvec v0.6.14 [INFO] [stderr] Downloaded parking_lot_core v0.6.3 [INFO] [stderr] Downloaded parking_lot v0.9.0 [INFO] [stderr] Downloaded tokio v0.1.22 [INFO] [stderr] Downloaded globset v0.4.14 [INFO] [stderr] Downloaded tokio-fs v0.1.7 [INFO] [stderr] Downloaded tokio-io v0.1.13 [INFO] [stderr] Downloaded tokio-executor v0.1.10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 66c09ff92b83ba4e276d6451a031f51d37b8f675b9b80311147ef95e6a111fcf [INFO] running `Command { std: "docker" "start" "-a" "66c09ff92b83ba4e276d6451a031f51d37b8f675b9b80311147ef95e6a111fcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "66c09ff92b83ba4e276d6451a031f51d37b8f675b9b80311147ef95e6a111fcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66c09ff92b83ba4e276d6451a031f51d37b8f675b9b80311147ef95e6a111fcf", kill_on_drop: false }` [INFO] [stdout] 66c09ff92b83ba4e276d6451a031f51d37b8f675b9b80311147ef95e6a111fcf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ae179309cb5ebd9e2a8c05e110ad4b2903dbace82ab59cb6e2fa20fe1fa6a9a8 [INFO] running `Command { std: "docker" "start" "-a" "ae179309cb5ebd9e2a8c05e110ad4b2903dbace82ab59cb6e2fa20fe1fa6a9a8", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Compiling unicase v2.7.0 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking bstr v1.9.1 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking bitconch-jsonrpc-core v0.1.0 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking globset v0.4.14 [INFO] [stderr] Checking bitconch-jsonrpc-server-utils v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/cors.rs:282:1 [INFO] [stdout] | [INFO] [stdout] 282 | /// Returns headers which are always allowed. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [INFO] [stdout] | [INFO] [stdout] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Host` is imported redundantly [INFO] [stdout] --> src/cors.rs:306:6 [INFO] [stdout] | [INFO] [stdout] 305 | use super::*; [INFO] [stdout] | -------- the item `Host` is already imported here [INFO] [stdout] 306 | use hosts::Host; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/cors.rs:282:1 [INFO] [stdout] | [INFO] [stdout] 282 | /// Returns headers which are always allowed. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [INFO] [stdout] | [INFO] [stdout] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tokio` is imported redundantly [INFO] [stdout] --> src/reactor.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use tokio; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 16 | pub extern crate tokio; [INFO] [stdout] | ----------------------- the item `tokio` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `num_cpus` is imported redundantly [INFO] [stdout] --> src/reactor.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use num_cpus; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | extern crate num_cpus; [INFO] [stdout] | ---------------------- the item `num_cpus` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tokio` is imported redundantly [INFO] [stdout] --> src/reactor.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use tokio; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 16 | pub extern crate tokio; [INFO] [stdout] | ----------------------- the item `tokio` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `num_cpus` is imported redundantly [INFO] [stdout] --> src/reactor.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use num_cpus; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | extern crate num_cpus; [INFO] [stdout] | ---------------------- the item `num_cpus` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/reactor.rs:114:6 [INFO] [stdout] | [INFO] [stdout] 114 | 2...4 => 2, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [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(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/reactor.rs:114:6 [INFO] [stdout] | [INFO] [stdout] 114 | 2...4 => 2, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [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(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `tokio::runtime::Builder::threadpool_builder`: use the `core_threads`, `blocking_threads`, `name_prefix`, `keep_alive`, and `stack_size` functions on `runtime::Builder`, instead [INFO] [stdout] --> src/reactor.rs:123:6 [INFO] [stdout] | [INFO] [stdout] 123 | .threadpool_builder(tp_builder) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `tokio::runtime::Builder::threadpool_builder`: use the `core_threads`, `blocking_threads`, `name_prefix`, `keep_alive`, and `stack_size` functions on `runtime::Builder`, instead [INFO] [stdout] --> src/reactor.rs:123:6 [INFO] [stdout] | [INFO] [stdout] 123 | .threadpool_builder(tp_builder) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/hosts.rs:74:28 [INFO] [stdout] | [INFO] [stdout] 74 | Some(port) => match port.clone().parse::().ok() { [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/hosts.rs:74:28 [INFO] [stdout] | [INFO] [stdout] 74 | Some(port) => match port.clone().parse::().ok() { [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.39s [INFO] running `Command { std: "docker" "inspect" "ae179309cb5ebd9e2a8c05e110ad4b2903dbace82ab59cb6e2fa20fe1fa6a9a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae179309cb5ebd9e2a8c05e110ad4b2903dbace82ab59cb6e2fa20fe1fa6a9a8", kill_on_drop: false }` [INFO] [stdout] ae179309cb5ebd9e2a8c05e110ad4b2903dbace82ab59cb6e2fa20fe1fa6a9a8 [INFO] checking bitconch-jsonrpc-server-utils-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate bitconch-jsonrpc-server-utils 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate bitconch-jsonrpc-server-utils 0.1.0 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 bitconch-jsonrpc-server-utils 0.1.0 [INFO] finished tweaking crates.io crate bitconch-jsonrpc-server-utils 0.1.0 [INFO] tweaked toml for crates.io crate bitconch-jsonrpc-server-utils 0.1.0 written to /workspace/builds/worker-0-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] Blocking waiting for file lock on package cache [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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 68163e00cd6e9ad874f691c5ec030479562e081f49fbab53a73442a9b69c0fdb [INFO] running `Command { std: "docker" "start" "-a" "68163e00cd6e9ad874f691c5ec030479562e081f49fbab53a73442a9b69c0fdb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "68163e00cd6e9ad874f691c5ec030479562e081f49fbab53a73442a9b69c0fdb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68163e00cd6e9ad874f691c5ec030479562e081f49fbab53a73442a9b69c0fdb", kill_on_drop: false }` [INFO] [stdout] 68163e00cd6e9ad874f691c5ec030479562e081f49fbab53a73442a9b69c0fdb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3fd933f939af5712d102f60d64a7e0ccb8c683af16331f208ab5e6a4ce754834 [INFO] running `Command { std: "docker" "start" "-a" "3fd933f939af5712d102f60d64a7e0ccb8c683af16331f208ab5e6a4ce754834", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling unicase v2.7.0 [INFO] [stderr] Checking bstr v1.9.1 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking bitconch-jsonrpc-core v0.1.0 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking globset v0.4.14 [INFO] [stderr] Checking bitconch-jsonrpc-server-utils v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/cors.rs:282:1 [INFO] [stdout] | [INFO] [stdout] 282 | /// Returns headers which are always allowed. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [INFO] [stdout] | [INFO] [stdout] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tokio` is imported redundantly [INFO] [stdout] --> src/reactor.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use tokio; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 16 | pub extern crate tokio; [INFO] [stdout] | ----------------------- the item `tokio` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `num_cpus` is imported redundantly [INFO] [stdout] --> src/reactor.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use num_cpus; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | extern crate num_cpus; [INFO] [stdout] | ---------------------- the item `num_cpus` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/reactor.rs:114:6 [INFO] [stdout] | [INFO] [stdout] 114 | 2...4 => 2, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [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(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/cors.rs:282:1 [INFO] [stdout] | [INFO] [stdout] 282 | /// Returns headers which are always allowed. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [INFO] [stdout] | [INFO] [stdout] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Host` is imported redundantly [INFO] [stdout] --> src/cors.rs:306:6 [INFO] [stdout] | [INFO] [stdout] 305 | use super::*; [INFO] [stdout] | -------- the item `Host` is already imported here [INFO] [stdout] 306 | use hosts::Host; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tokio` is imported redundantly [INFO] [stdout] --> src/reactor.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use tokio; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 16 | pub extern crate tokio; [INFO] [stdout] | ----------------------- the item `tokio` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `num_cpus` is imported redundantly [INFO] [stdout] --> src/reactor.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use num_cpus; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | extern crate num_cpus; [INFO] [stdout] | ---------------------- the item `num_cpus` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/reactor.rs:114:6 [INFO] [stdout] | [INFO] [stdout] 114 | 2...4 => 2, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [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(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `tokio::runtime::Builder::threadpool_builder`: use the `core_threads`, `blocking_threads`, `name_prefix`, `keep_alive`, and `stack_size` functions on `runtime::Builder`, instead [INFO] [stdout] --> src/reactor.rs:123:6 [INFO] [stdout] | [INFO] [stdout] 123 | .threadpool_builder(tp_builder) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/hosts.rs:74:28 [INFO] [stdout] | [INFO] [stdout] 74 | Some(port) => match port.clone().parse::().ok() { [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `tokio::runtime::Builder::threadpool_builder`: use the `core_threads`, `blocking_threads`, `name_prefix`, `keep_alive`, and `stack_size` functions on `runtime::Builder`, instead [INFO] [stdout] --> src/reactor.rs:123:6 [INFO] [stdout] | [INFO] [stdout] 123 | .threadpool_builder(tp_builder) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/hosts.rs:74:28 [INFO] [stdout] | [INFO] [stdout] 74 | Some(port) => match port.clone().parse::().ok() { [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.48s [INFO] running `Command { std: "docker" "inspect" "3fd933f939af5712d102f60d64a7e0ccb8c683af16331f208ab5e6a4ce754834", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3fd933f939af5712d102f60d64a7e0ccb8c683af16331f208ab5e6a4ce754834", kill_on_drop: false }` [INFO] [stdout] 3fd933f939af5712d102f60d64a7e0ccb8c683af16331f208ab5e6a4ce754834