[INFO] fetching crate genref 0.8.0...
[INFO] testing genref-0.8.0 against 1.76.0 for beta-1.77-1
[INFO] extracting crate genref 0.8.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate genref 0.8.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate genref 0.8.0
[INFO] finished tweaking crates.io crate genref 0.8.0
[INFO] tweaked toml for crates.io crate genref 0.8.0 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" "+1.76.0" "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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7060bf95fd2ecf836efaecbc0c0fa0c24eb99d4a1b9aba4c1b69ae212535b464
[INFO] running `Command { std: "docker" "start" "-a" "7060bf95fd2ecf836efaecbc0c0fa0c24eb99d4a1b9aba4c1b69ae212535b464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7060bf95fd2ecf836efaecbc0c0fa0c24eb99d4a1b9aba4c1b69ae212535b464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7060bf95fd2ecf836efaecbc0c0fa0c24eb99d4a1b9aba4c1b69ae212535b464", kill_on_drop: false }`
[INFO] [stdout] 7060bf95fd2ecf836efaecbc0c0fa0c24eb99d4a1b9aba4c1b69ae212535b464
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d01dfd493f2cccff84886e743be3ac4fc8e1cf5b6f4a1b24f08b557090f455f
[INFO] running `Command { std: "docker" "start" "-a" "8d01dfd493f2cccff84886e743be3ac4fc8e1cf5b6f4a1b24f08b557090f455f", kill_on_drop: false }`
[INFO] [stderr]    Compiling genref v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(assert_matches)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `genref` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8d01dfd493f2cccff84886e743be3ac4fc8e1cf5b6f4a1b24f08b557090f455f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d01dfd493f2cccff84886e743be3ac4fc8e1cf5b6f4a1b24f08b557090f455f", kill_on_drop: false }`
[INFO] [stdout] 8d01dfd493f2cccff84886e743be3ac4fc8e1cf5b6f4a1b24f08b557090f455f
[INFO] testing genref-0.8.0 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate genref 0.8.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate genref 0.8.0 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate genref 0.8.0
[INFO] finished tweaking crates.io crate genref 0.8.0
[INFO] tweaked toml for crates.io crate genref 0.8.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c895435f0a98df4f7c1c3abac1f81746cb82ba993c3042c03e3b2b08ae177f5e
[INFO] running `Command { std: "docker" "start" "-a" "c895435f0a98df4f7c1c3abac1f81746cb82ba993c3042c03e3b2b08ae177f5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c895435f0a98df4f7c1c3abac1f81746cb82ba993c3042c03e3b2b08ae177f5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c895435f0a98df4f7c1c3abac1f81746cb82ba993c3042c03e3b2b08ae177f5e", kill_on_drop: false }`
[INFO] [stdout] c895435f0a98df4f7c1c3abac1f81746cb82ba993c3042c03e3b2b08ae177f5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f759640d4ac89f1fe21e86d0153959df4ad9d6cad1f50a9fe1305430636fce57
[INFO] running `Command { std: "docker" "start" "-a" "f759640d4ac89f1fe21e86d0153959df4ad9d6cad1f50a9fe1305430636fce57", kill_on_drop: false }`
[INFO] [stderr]    Compiling genref v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(assert_matches)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: mutable reference of mutable static is discouraged
[INFO] [stdout]    --> src/lib.rs:298:52
[INFO] [stdout]     |
[INFO] [stdout] 298 |             gen: Generation(NonNull::from(unsafe { &mut ZERO })),
[INFO] [stdout]     |                                                    ^^^^^^^^^ mutable reference of mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stdout]     = note: reference of mutable static is a hard error from 2024 edition
[INFO] [stdout]     = note: mutable statics can be written to by multiple threads: aliasing violations or data races will cause undefined behavior
[INFO] [stdout]     = note: `#[warn(static_mut_ref)]` on by default
[INFO] [stdout] help: mutable references are dangerous since if there's any other pointer or reference used for that static while the reference lives, that's UB; use `addr_of_mut!` instead to create a raw pointer
[INFO] [stdout]     |
[INFO] [stdout] 298 |             gen: Generation(NonNull::from(unsafe { addr_of_mut!(ZERO) })),
[INFO] [stdout]     |                                                    ~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `genref` (lib) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "f759640d4ac89f1fe21e86d0153959df4ad9d6cad1f50a9fe1305430636fce57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f759640d4ac89f1fe21e86d0153959df4ad9d6cad1f50a9fe1305430636fce57", kill_on_drop: false }`
[INFO] [stdout] f759640d4ac89f1fe21e86d0153959df4ad9d6cad1f50a9fe1305430636fce57
