[INFO] fetching crate generator 0.7.5...
[INFO] checking generator-0.7.5 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate generator 0.7.5 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate generator 0.7.5 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "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-1-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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustversion v1.0.12
[INFO] [stderr]   Downloaded libc v0.2.146
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5cc336bc4bad8a1bb891d942928b22f5cb78f69ebd30d1eb1cb4e1f4ce1a2d5
[INFO] running `Command { std: "docker" "start" "-a" "a5cc336bc4bad8a1bb891d942928b22f5cb78f69ebd30d1eb1cb4e1f4ce1a2d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5cc336bc4bad8a1bb891d942928b22f5cb78f69ebd30d1eb1cb4e1f4ce1a2d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5cc336bc4bad8a1bb891d942928b22f5cb78f69ebd30d1eb1cb4e1f4ce1a2d5", kill_on_drop: false }`
[INFO] [stdout] a5cc336bc4bad8a1bb891d942928b22f5cb78f69ebd30d1eb1cb4e1f4ce1a2d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09ff66f8c7b3b452ecd544ddcd210cf8570b6e9a843d044a200a13b92f2cf34c
[INFO] running `Command { std: "docker" "start" "-a" "09ff66f8c7b3b452ecd544ddcd210cf8570b6e9a843d044a200a13b92f2cf34c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling generator v0.7.5 (/opt/rustwide/workdir)
[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: 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: 1 warning emitted
[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] running `Command { std: "docker" "inspect" "09ff66f8c7b3b452ecd544ddcd210cf8570b6e9a843d044a200a13b92f2cf34c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09ff66f8c7b3b452ecd544ddcd210cf8570b6e9a843d044a200a13b92f2cf34c", kill_on_drop: false }`
[INFO] [stdout] 09ff66f8c7b3b452ecd544ddcd210cf8570b6e9a843d044a200a13b92f2cf34c
[INFO] checking generator-0.7.5 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate generator 0.7.5 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate generator 0.7.5 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "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-1-tc2/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" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7867d5b6929acf610d104cbedf678bbb10f5e3c285cd4cedafb6ac51b02b4a36
[INFO] running `Command { std: "docker" "start" "-a" "7867d5b6929acf610d104cbedf678bbb10f5e3c285cd4cedafb6ac51b02b4a36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7867d5b6929acf610d104cbedf678bbb10f5e3c285cd4cedafb6ac51b02b4a36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7867d5b6929acf610d104cbedf678bbb10f5e3c285cd4cedafb6ac51b02b4a36", kill_on_drop: false }`
[INFO] [stdout] 7867d5b6929acf610d104cbedf678bbb10f5e3c285cd4cedafb6ac51b02b4a36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 269b40ce9e8ef969f37e39a02313e47052f22f0d68376fe2da6df755bdf448a9
[INFO] running `Command { std: "docker" "start" "-a" "269b40ce9e8ef969f37e39a02313e47052f22f0d68376fe2da6df755bdf448a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]    Compiling generator v0.7.5 (/opt/rustwide/workdir)
[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: 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: 1 warning emitted
[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: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]    --> tests/lib.rs:212:18
[INFO] [stdout]     |
[INFO] [stdout] 212 |         unsafe { &mut RET }
[INFO] [stdout]     |                  ^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stdout]     = note: this will be a hard error in the 2024 edition
[INFO] [stdout]     = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer
[INFO] [stdout]     |
[INFO] [stdout] 212 |         unsafe { addr_of_mut!(RET) }
[INFO] [stdout]     |                  ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "269b40ce9e8ef969f37e39a02313e47052f22f0d68376fe2da6df755bdf448a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "269b40ce9e8ef969f37e39a02313e47052f22f0d68376fe2da6df755bdf448a9", kill_on_drop: false }`
[INFO] [stdout] 269b40ce9e8ef969f37e39a02313e47052f22f0d68376fe2da6df755bdf448a9
