[INFO] fetching crate generator 0.7.5...
[INFO] checking generator-0.7.5 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate generator 0.7.5 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate generator 0.7.5 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate generator 0.7.5
[INFO] finished tweaking crates.io crate generator 0.7.5
[INFO] tweaked toml for crates.io crate generator 0.7.5 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate generator 0.7.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 987637d61c8df28ce0fec480285aca42f9ddd13734c78081fadf57d7bb128784
[INFO] running `Command { std: "docker" "start" "-a" "987637d61c8df28ce0fec480285aca42f9ddd13734c78081fadf57d7bb128784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "987637d61c8df28ce0fec480285aca42f9ddd13734c78081fadf57d7bb128784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "987637d61c8df28ce0fec480285aca42f9ddd13734c78081fadf57d7bb128784", kill_on_drop: false }`
[INFO] [stdout] 987637d61c8df28ce0fec480285aca42f9ddd13734c78081fadf57d7bb128784
[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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db3b7e29ec579de4c4715641ad075f9d693b84edb5718d00bf4e471f1224bfe3
[INFO] running `Command { std: "docker" "start" "-a" "db3b7e29ec579de4c4715641ad075f9d693b84edb5718d00bf4e471f1224bfe3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling generator v0.7.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: unused import: `prefetch`
[INFO] [stdout]   --> src/detail/mod.rs:36:44
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub use self::asm::{initialize_call_frame, prefetch, swap_registers, Registers};
[INFO] [stdout]    |                                            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:7:24
[INFO] [stdout]    |
[INFO] [stdout] 7  | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prefetch`
[INFO] [stdout]   --> src/detail/mod.rs:36:44
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub use self::asm::{initialize_call_frame, prefetch, swap_registers, Registers};
[INFO] [stdout]    |                                            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `generator` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "db3b7e29ec579de4c4715641ad075f9d693b84edb5718d00bf4e471f1224bfe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db3b7e29ec579de4c4715641ad075f9d693b84edb5718d00bf4e471f1224bfe3", kill_on_drop: false }`
[INFO] [stdout] db3b7e29ec579de4c4715641ad075f9d693b84edb5718d00bf4e471f1224bfe3
