[INFO] fetching crate opml 1.1.3...
[INFO] checking opml-1.1.3 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate opml 1.1.3 into /workspace/builds/worker-69/source
[INFO] validating manifest of crates.io crate opml 1.1.3 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate opml 1.1.3
[INFO] finished tweaking crates.io crate opml 1.1.3
[INFO] tweaked toml for crates.io crate opml 1.1.3 written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] crate crates.io crate opml 1.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26586ed4978ca4f178b8e3954d7ca918ae47d5b1e5c9f80e3403684a352971f0
[INFO] running `Command { std: "docker" "start" "-a" "26586ed4978ca4f178b8e3954d7ca918ae47d5b1e5c9f80e3403684a352971f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26586ed4978ca4f178b8e3954d7ca918ae47d5b1e5c9f80e3403684a352971f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26586ed4978ca4f178b8e3954d7ca918ae47d5b1e5c9f80e3403684a352971f0", kill_on_drop: false }`
[INFO] [stdout] 26586ed4978ca4f178b8e3954d7ca918ae47d5b1e5c9f80e3403684a352971f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aedc039968b6f38c7e333120b438b05cab8a383d5aa0f7c324d1f97b68ff3096
[INFO] running `Command { std: "docker" "start" "-a" "aedc039968b6f38c7e333120b438b05cab8a383d5aa0f7c324d1f97b68ff3096", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling jetscii v0.5.1
[INFO] [stderr]     Checking xmlparser v0.13.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling strong-xml-derive v0.6.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking strong-xml v0.6.3
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking opml v1.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> source/lib.rs:60:3
[INFO] [stdout]    |
[INFO] [stdout] 60 |   XmlWrite, XmlRead, PartialEq, Debug, Clone, Serialize, Deserialize,
[INFO] [stdout]    |   ^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `XmlWrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> source/lib.rs:60:3
[INFO] [stdout]    |
[INFO] [stdout] 60 |   XmlWrite, XmlRead, PartialEq, Debug, Clone, Serialize, Deserialize,
[INFO] [stdout]    |   ^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `XmlWrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.33s
[INFO] running `Command { std: "docker" "inspect" "aedc039968b6f38c7e333120b438b05cab8a383d5aa0f7c324d1f97b68ff3096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aedc039968b6f38c7e333120b438b05cab8a383d5aa0f7c324d1f97b68ff3096", kill_on_drop: false }`
[INFO] [stdout] aedc039968b6f38c7e333120b438b05cab8a383d5aa0f7c324d1f97b68ff3096