[INFO] fetching crate exonum_jsonrpc 0.5.1... [INFO] checking exonum_jsonrpc-0.5.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate exonum_jsonrpc 0.5.1 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate exonum_jsonrpc 0.5.1 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 exonum_jsonrpc 0.5.1 [INFO] finished tweaking crates.io crate exonum_jsonrpc 0.5.1 [INFO] tweaked toml for crates.io crate exonum_jsonrpc 0.5.1 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 165 packages [INFO] [stderr] Adding autocfg v0.1.8 (latest: v1.2.0) [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 cookie v0.12.0 (latest: v0.18.1) [INFO] [stderr] Adding cookie_store v0.7.0 (latest: v0.21.0) [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 dtoa v0.4.8 (latest: v1.0.9) [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 h2 v0.1.26 (latest: v0.4.4) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding http v0.1.21 (latest: v1.1.0) [INFO] [stderr] Adding http-body v0.1.0 (latest: v1.0.0) [INFO] [stderr] Adding hyper v0.12.36 (latest: v1.2.0) [INFO] [stderr] Adding hyper-tls v0.3.2 (latest: v0.6.0) [INFO] [stderr] Adding idna v0.1.5 (latest: v0.5.0) [INFO] [stderr] Adding idna v0.2.3 (latest: v0.5.0) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding itoa v0.4.8 (latest: v1.0.11) [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 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 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_core v0.6.3 (latest: v0.9.9) [INFO] [stderr] Adding percent-encoding v1.0.1 (latest: v2.3.1) [INFO] [stderr] Adding publicsuffix v1.5.6 (latest: v2.2.3) [INFO] [stderr] Adding rand v0.6.5 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.1.1 (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_hc v0.1.0 (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 reqwest v0.9.17 (latest: v0.12.3) [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 serde_urlencoded v0.5.5 (latest: v0.7.1) [INFO] [stderr] Adding smallvec v0.6.14 (latest: v1.13.2) [INFO] [stderr] Adding string v0.2.1 (latest: v0.3.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding time v0.1.45 (latest: v0.3.34) [INFO] [stderr] Adding tokio v0.1.22 (latest: v1.37.0) [INFO] [stderr] Adding url v1.7.2 (latest: v2.5.0) [INFO] [stderr] Adding uuid v0.7.4 (latest: v1.8.0) [INFO] [stderr] Adding want v0.2.0 (latest: v0.3.1) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [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 reqwest v0.9.17 [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] 8280380ee771211c6867871c6a0ff98a284b756d47e311276dbea5b80dc64d4c [INFO] running `Command { std: "docker" "start" "-a" "8280380ee771211c6867871c6a0ff98a284b756d47e311276dbea5b80dc64d4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8280380ee771211c6867871c6a0ff98a284b756d47e311276dbea5b80dc64d4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8280380ee771211c6867871c6a0ff98a284b756d47e311276dbea5b80dc64d4c", kill_on_drop: false }` [INFO] [stdout] 8280380ee771211c6867871c6a0ff98a284b756d47e311276dbea5b80dc64d4c [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] 866b1af58b80c2a38ed9a79a425afee2aa1278bbce3d4fe410e9ea3722a96167 [INFO] running `Command { std: "docker" "start" "-a" "866b1af58b80c2a38ed9a79a425afee2aa1278bbce3d4fe410e9ea3722a96167", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Checking rand_core v0.4.2 [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] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling hyper v0.12.36 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking publicsuffix v1.5.6 [INFO] [stderr] Checking try_from v0.3.2 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking openssl-sys v0.9.102 [INFO] [stderr] Checking backtrace v0.3.71 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking cookie v0.12.0 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking openssl v0.10.64 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking cookie_store v0.7.0 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking native-tls v0.2.11 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] Checking reqwest v0.9.17 [INFO] [stderr] Checking exonum_jsonrpc v0.5.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `reqwest` is imported redundantly [INFO] [stdout] --> src/client.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | use reqwest; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:35:1 [INFO] [stdout] | [INFO] [stdout] 35 | extern crate reqwest; [INFO] [stdout] | --------------------- the item `reqwest` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `reqwest` is imported redundantly [INFO] [stdout] --> src/error.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | use reqwest; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:35:1 [INFO] [stdout] | [INFO] [stdout] 35 | extern crate reqwest; [INFO] [stdout] | --------------------- the item `reqwest` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/error.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:41:1 [INFO] [stdout] | [INFO] [stdout] 41 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `reqwest` is imported redundantly [INFO] [stdout] --> src/client.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | use reqwest; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:35:1 [INFO] [stdout] | [INFO] [stdout] 35 | extern crate reqwest; [INFO] [stdout] | --------------------- the item `reqwest` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `reqwest` is imported redundantly [INFO] [stdout] --> src/error.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | use reqwest; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:35:1 [INFO] [stdout] | [INFO] [stdout] 35 | extern crate reqwest; [INFO] [stdout] | --------------------- the item `reqwest` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/error.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:41:1 [INFO] [stdout] | [INFO] [stdout] 41 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> examples/bitcoin.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct MiningInfo { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 13 | blocks: u64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 14 | currentblocksize: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 15 | currentblockweight: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 16 | currentblocktx: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 17 | difficulty: f64, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 18 | errors: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 19 | networkhashps: f64, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 20 | pooledtx: u64, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 21 | testnet: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 22 | chain: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MiningInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.41s [INFO] running `Command { std: "docker" "inspect" "866b1af58b80c2a38ed9a79a425afee2aa1278bbce3d4fe410e9ea3722a96167", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "866b1af58b80c2a38ed9a79a425afee2aa1278bbce3d4fe410e9ea3722a96167", kill_on_drop: false }` [INFO] [stdout] 866b1af58b80c2a38ed9a79a425afee2aa1278bbce3d4fe410e9ea3722a96167 [INFO] checking exonum_jsonrpc-0.5.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate exonum_jsonrpc 0.5.1 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate exonum_jsonrpc 0.5.1 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 exonum_jsonrpc 0.5.1 [INFO] finished tweaking crates.io crate exonum_jsonrpc 0.5.1 [INFO] tweaked toml for crates.io crate exonum_jsonrpc 0.5.1 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] 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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] 7c090ff28138a3cfb9a78752452db22b2b722d718750196b65fcd3c110064a89 [INFO] running `Command { std: "docker" "start" "-a" "7c090ff28138a3cfb9a78752452db22b2b722d718750196b65fcd3c110064a89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7c090ff28138a3cfb9a78752452db22b2b722d718750196b65fcd3c110064a89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c090ff28138a3cfb9a78752452db22b2b722d718750196b65fcd3c110064a89", kill_on_drop: false }` [INFO] [stdout] 7c090ff28138a3cfb9a78752452db22b2b722d718750196b65fcd3c110064a89 [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] 44c0c2fcfc06d6e56d34281c80d7ad68e3611c6877ca382f0d3bced6bb1f673e [INFO] running `Command { std: "docker" "start" "-a" "44c0c2fcfc06d6e56d34281c80d7ad68e3611c6877ca382f0d3bced6bb1f673e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Checking rand_core v0.4.2 [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] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling hyper v0.12.36 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking publicsuffix v1.5.6 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking try_from v0.3.2 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking openssl-sys v0.9.102 [INFO] [stderr] Checking backtrace v0.3.71 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking cookie v0.12.0 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking openssl v0.10.64 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking cookie_store v0.7.0 [INFO] [stderr] Checking native-tls v0.2.11 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] Checking reqwest v0.9.17 [INFO] [stderr] Checking exonum_jsonrpc v0.5.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `reqwest` is imported redundantly [INFO] [stdout] --> src/client.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | use reqwest; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:35:1 [INFO] [stdout] | [INFO] [stdout] 35 | extern crate reqwest; [INFO] [stdout] | --------------------- the item `reqwest` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `reqwest` is imported redundantly [INFO] [stdout] --> src/error.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | use reqwest; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:35:1 [INFO] [stdout] | [INFO] [stdout] 35 | extern crate reqwest; [INFO] [stdout] | --------------------- the item `reqwest` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/error.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:41:1 [INFO] [stdout] | [INFO] [stdout] 41 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `reqwest` is imported redundantly [INFO] [stdout] --> src/client.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | use reqwest; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:35:1 [INFO] [stdout] | [INFO] [stdout] 35 | extern crate reqwest; [INFO] [stdout] | --------------------- the item `reqwest` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `reqwest` is imported redundantly [INFO] [stdout] --> src/error.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | use reqwest; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:35:1 [INFO] [stdout] | [INFO] [stdout] 35 | extern crate reqwest; [INFO] [stdout] | --------------------- the item `reqwest` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/error.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:41:1 [INFO] [stdout] | [INFO] [stdout] 41 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> examples/bitcoin.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct MiningInfo { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 13 | blocks: u64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 14 | currentblocksize: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 15 | currentblockweight: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 16 | currentblocktx: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 17 | difficulty: f64, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 18 | errors: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 19 | networkhashps: f64, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 20 | pooledtx: u64, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 21 | testnet: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 22 | chain: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MiningInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.37s [INFO] running `Command { std: "docker" "inspect" "44c0c2fcfc06d6e56d34281c80d7ad68e3611c6877ca382f0d3bced6bb1f673e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44c0c2fcfc06d6e56d34281c80d7ad68e3611c6877ca382f0d3bced6bb1f673e", kill_on_drop: false }` [INFO] [stdout] 44c0c2fcfc06d6e56d34281c80d7ad68e3611c6877ca382f0d3bced6bb1f673e