[INFO] fetching crate entrez-rs 0.1.4... [INFO] checking entrez-rs-0.1.4 against try#377afada703be70d3fdff9164a481570a3cba7fe for pr-113240 [INFO] extracting crate entrez-rs 0.1.4 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate entrez-rs 0.1.4 on toolchain 377afada703be70d3fdff9164a481570a3cba7fe [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate entrez-rs 0.1.4 [INFO] finished tweaking crates.io crate entrez-rs 0.1.4 [INFO] tweaked toml for crates.io crate entrez-rs 0.1.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "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" "+377afada703be70d3fdff9164a481570a3cba7fe" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1257667b625bff876690044cb00ea943703f7c681d3cf8110f52df03841147e9 [INFO] running `Command { std: "docker" "start" "-a" "1257667b625bff876690044cb00ea943703f7c681d3cf8110f52df03841147e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1257667b625bff876690044cb00ea943703f7c681d3cf8110f52df03841147e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1257667b625bff876690044cb00ea943703f7c681d3cf8110f52df03841147e9", kill_on_drop: false }` [INFO] [stdout] 1257667b625bff876690044cb00ea943703f7c681d3cf8110f52df03841147e9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e4d9e86847db66107b741a7528c358716e1d4a1ecf9d14cf8aaba3f04073282a [INFO] running `Command { std: "docker" "start" "-a" "e4d9e86847db66107b741a7528c358716e1d4a1ecf9d14cf8aaba3f04073282a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking log v0.4.19 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Checking tracing v0.1.37 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking httpdate v0.3.2 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking xmlparser v0.13.5 [INFO] [stderr] Compiling mime_guess v2.0.4 [INFO] [stderr] Checking roxmltree v0.13.1 [INFO] [stderr] Checking quick-xml v0.20.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking openssl-sys v0.9.90 [INFO] [stderr] Checking socket2 v0.3.19 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking openssl v0.10.55 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking h2 v0.2.7 [INFO] [stderr] Checking native-tls v0.2.11 [INFO] [stderr] Checking tokio-tls v0.3.1 [INFO] [stderr] Checking hyper v0.13.10 [INFO] [stderr] Checking hyper-tls v0.4.3 [INFO] [stderr] Checking reqwest v0.10.10 [INFO] [stderr] Checking entrez-rs v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/parser/pubmed.rs:449:16 [INFO] [stdout] | [INFO] [stdout] 449 | &txt.push("<"); [INFO] [stdout] | ^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 449 | let _ = &txt.push("<"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/parser/pubmed.rs:464:20 [INFO] [stdout] | [INFO] [stdout] 464 | &txt.push(elem.tag_name().name()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 464 | let _ = &txt.push(elem.tag_name().name()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/parser/pubmed.rs:466:16 [INFO] [stdout] | [INFO] [stdout] 466 | &txt.push(">"); [INFO] [stdout] | ^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 466 | let _ = &txt.push(">"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/parser/pubmed.rs:472:28 [INFO] [stdout] | [INFO] [stdout] 472 | ... &txt.push("<"); [INFO] [stdout] | ^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 472 | let _ = &txt.push("<"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/parser/pubmed.rs:487:24 [INFO] [stdout] | [INFO] [stdout] 487 | &txt.push(c.tag_name().name()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 487 | let _ = &txt.push(c.tag_name().name()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/parser/pubmed.rs:489:20 [INFO] [stdout] | [INFO] [stdout] 489 | &txt.push(">"); [INFO] [stdout] | ^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 489 | let _ = &txt.push(">"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/parser/pubmed.rs:494:20 [INFO] [stdout] | [INFO] [stdout] 494 | &txt.push(" src/parser/pubmed.rs:501:16 [INFO] [stdout] | [INFO] [stdout] 501 | &txt.push(c.tag_name().name()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 501 | let _ = &txt.push(c.tag_name().name()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/parser/pubmed.rs:502:16 [INFO] [stdout] | [INFO] [stdout] 502 | &txt.push(">"); [INFO] [stdout] | ^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 502 | let _ = &txt.push(">"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/parser/pubmed.rs:521:16 [INFO] [stdout] | [INFO] [stdout] 521 | &txt.push(" src/parser/pubmed.rs:528:16 [INFO] [stdout] | [INFO] [stdout] 528 | &txt.push(elem.tag_name().name()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 528 | let _ = &txt.push(elem.tag_name().name()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/parser/pubmed.rs:529:16 [INFO] [stdout] | [INFO] [stdout] 529 | &txt.push(">"); [INFO] [stdout] | ^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 529 | let _ = &txt.push(">"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/parser/pubmed.rs:449:16 [INFO] [stdout] | [INFO] [stdout] 449 | &txt.push("<"); [INFO] [stdout] | ^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 449 | let _ = &txt.push("<"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/parser/pubmed.rs:464:20 [INFO] [stdout] | [INFO] [stdout] 464 | &txt.push(elem.tag_name().name()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 464 | let _ = &txt.push(elem.tag_name().name()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/parser/pubmed.rs:466:16 [INFO] [stdout] | [INFO] [stdout] 466 | &txt.push(">"); [INFO] [stdout] | ^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 466 | let _ = &txt.push(">"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/parser/pubmed.rs:472:28 [INFO] [stdout] | [INFO] [stdout] 472 | ... &txt.push("<"); [INFO] [stdout] | ^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 472 | let _ = &txt.push("<"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/parser/pubmed.rs:487:24 [INFO] [stdout] | [INFO] [stdout] 487 | &txt.push(c.tag_name().name()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 487 | let _ = &txt.push(c.tag_name().name()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/parser/pubmed.rs:489:20 [INFO] [stdout] | [INFO] [stdout] 489 | &txt.push(">"); [INFO] [stdout] | ^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 489 | let _ = &txt.push(">"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/parser/pubmed.rs:494:20 [INFO] [stdout] | [INFO] [stdout] 494 | &txt.push(" src/parser/pubmed.rs:501:16 [INFO] [stdout] | [INFO] [stdout] 501 | &txt.push(c.tag_name().name()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 501 | let _ = &txt.push(c.tag_name().name()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/parser/pubmed.rs:502:16 [INFO] [stdout] | [INFO] [stdout] 502 | &txt.push(">"); [INFO] [stdout] | ^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 502 | let _ = &txt.push(">"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/parser/pubmed.rs:521:16 [INFO] [stdout] | [INFO] [stdout] 521 | &txt.push(" src/parser/pubmed.rs:528:16 [INFO] [stdout] | [INFO] [stdout] 528 | &txt.push(elem.tag_name().name()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 528 | let _ = &txt.push(elem.tag_name().name()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/parser/pubmed.rs:529:16 [INFO] [stdout] | [INFO] [stdout] 529 | &txt.push(">"); [INFO] [stdout] | ^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 529 | let _ = &txt.push(">"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 28.24s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.20.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "e4d9e86847db66107b741a7528c358716e1d4a1ecf9d14cf8aaba3f04073282a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4d9e86847db66107b741a7528c358716e1d4a1ecf9d14cf8aaba3f04073282a", kill_on_drop: false }` [INFO] [stdout] e4d9e86847db66107b741a7528c358716e1d4a1ecf9d14cf8aaba3f04073282a