[INFO] fetching crate yumrepo 0.0.1...
[INFO] checking yumrepo-0.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate yumrepo 0.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate yumrepo 0.0.1 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 yumrepo 0.0.1
[INFO] finished tweaking crates.io crate yumrepo 0.0.1
[INFO] tweaked toml for crates.io crate yumrepo 0.0.1 written to /workspace/builds/worker-6-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]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding quick-xml v0.17.2 (latest: v0.31.0)
[INFO] [stderr]       Adding serde_yaml v0.8.26 (latest: v0.9.34+deprecated)
[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 quick-xml v0.17.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0ca6bda3a11df0384dc3e6a5e83c0d075a2e1b6ffcaf0b88409c0a6a04a16931
[INFO] running `Command { std: "docker" "start" "-a" "0ca6bda3a11df0384dc3e6a5e83c0d075a2e1b6ffcaf0b88409c0a6a04a16931", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ca6bda3a11df0384dc3e6a5e83c0d075a2e1b6ffcaf0b88409c0a6a04a16931", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ca6bda3a11df0384dc3e6a5e83c0d075a2e1b6ffcaf0b88409c0a6a04a16931", kill_on_drop: false }`
[INFO] [stdout] 0ca6bda3a11df0384dc3e6a5e83c0d075a2e1b6ffcaf0b88409c0a6a04a16931
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1fb2bd68ff86516e4a5d2f7aa9b83dbaef5c086e0b29aa96a5faad007eddabed
[INFO] running `Command { std: "docker" "start" "-a" "1fb2bd68ff86516e4a5d2f7aa9b83dbaef5c086e0b29aa96a5faad007eddabed", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking indexmap v1.9.3
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking quick-xml v0.17.2
[INFO] [stderr]     Checking yumrepo v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BufReader`, `Cursor`, `Read`
[INFO] [stdout]  --> src/prelude.rs:1:39
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use std::{*, collections::*, io::{Read, BufReader, Cursor}};
[INFO] [stdout]   |                                       ^^^^  ^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `de::DeserializeOwned`
[INFO] [stdout]  --> src/prelude.rs:2:41
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use serde::{Deserialize, Serialize, de::DeserializeOwned};
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Cursor`, `Read`
[INFO] [stdout]  --> src/prelude.rs:1:39
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use std::{*, collections::*, io::{Read, BufReader, Cursor}};
[INFO] [stdout]   |                                       ^^^^  ^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `de::DeserializeOwned`
[INFO] [stdout]  --> src/prelude.rs:2:41
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use serde::{Deserialize, Serialize, de::DeserializeOwned};
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.76s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.17.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "1fb2bd68ff86516e4a5d2f7aa9b83dbaef5c086e0b29aa96a5faad007eddabed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fb2bd68ff86516e4a5d2f7aa9b83dbaef5c086e0b29aa96a5faad007eddabed", kill_on_drop: false }`
[INFO] [stdout] 1fb2bd68ff86516e4a5d2f7aa9b83dbaef5c086e0b29aa96a5faad007eddabed