[INFO] fetching crate bern-arch 0.3.0...
[INFO] testing bern-arch-0.3.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate bern-arch 0.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate bern-arch 0.3.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bern-arch 0.3.0
[INFO] finished tweaking crates.io crate bern-arch 0.3.0
[INFO] tweaked toml for crates.io crate bern-arch 0.3.0 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" "+1.75.0" "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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded predicates-tree v1.0.9
[INFO] [stderr]   Downloaded mockall v0.11.4
[INFO] [stderr]   Downloaded bern-units v0.1.0
[INFO] [stderr]   Downloaded termtree v0.4.1
[INFO] [stderr]   Downloaded fragile v2.0.0
[INFO] [stderr]   Downloaded predicates-core v1.0.6
[INFO] [stderr]   Downloaded mockall_derive v0.11.4
[INFO] [stderr]   Downloaded predicates v2.1.5
[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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56e8917fe53ea3f0a30724a92114cc674101d34ed4cd70464b7c77d3cb189c3f
[INFO] running `Command { std: "docker" "start" "-a" "56e8917fe53ea3f0a30724a92114cc674101d34ed4cd70464b7c77d3cb189c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56e8917fe53ea3f0a30724a92114cc674101d34ed4cd70464b7c77d3cb189c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56e8917fe53ea3f0a30724a92114cc674101d34ed4cd70464b7c77d3cb189c3f", kill_on_drop: false }`
[INFO] [stdout] 56e8917fe53ea3f0a30724a92114cc674101d34ed4cd70464b7c77d3cb189c3f
[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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15dcca32d4619a05f9231d2321a2d8c0f3a2726bf6dc9b0eadee1606a85237d0
[INFO] running `Command { std: "docker" "start" "-a" "15dcca32d4619a05f9231d2321a2d8c0f3a2726bf6dc9b0eadee1606a85237d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling predicates-core v1.0.6
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling termtree v0.4.1
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling bern-arch v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling downcast v0.11.0
[INFO] [stderr]    Compiling fragile v2.0.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling predicates-tree v1.0.9
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling predicates v2.1.5
[INFO] [stderr]    Compiling mockall_derive v0.11.4
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling bern-units v0.1.0
[INFO] [stderr]    Compiling mockall v0.11.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(naked_functions)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:16:38
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![cfg_attr(not(target_os = "none"), feature(never_type))]
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bern-arch` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "15dcca32d4619a05f9231d2321a2d8c0f3a2726bf6dc9b0eadee1606a85237d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15dcca32d4619a05f9231d2321a2d8c0f3a2726bf6dc9b0eadee1606a85237d0", kill_on_drop: false }`
[INFO] [stdout] 15dcca32d4619a05f9231d2321a2d8c0f3a2726bf6dc9b0eadee1606a85237d0
[INFO] testing bern-arch-0.3.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate bern-arch 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate bern-arch 0.3.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bern-arch 0.3.0
[INFO] finished tweaking crates.io crate bern-arch 0.3.0
[INFO] tweaked toml for crates.io crate bern-arch 0.3.0 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-2023-12-22" "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-2023-12-22" "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-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 241713a811d192f0b0aea14e5f71b0b64b1f1fedf3388fcdea3e1c5e961c6d3e
[INFO] running `Command { std: "docker" "start" "-a" "241713a811d192f0b0aea14e5f71b0b64b1f1fedf3388fcdea3e1c5e961c6d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "241713a811d192f0b0aea14e5f71b0b64b1f1fedf3388fcdea3e1c5e961c6d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "241713a811d192f0b0aea14e5f71b0b64b1f1fedf3388fcdea3e1c5e961c6d3e", kill_on_drop: false }`
[INFO] [stdout] 241713a811d192f0b0aea14e5f71b0b64b1f1fedf3388fcdea3e1c5e961c6d3e
[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-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af6e0cab50eb9992429724f35d89ed651ab295f5538187d6e7d03019f3432c85
[INFO] running `Command { std: "docker" "start" "-a" "af6e0cab50eb9992429724f35d89ed651ab295f5538187d6e7d03019f3432c85", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling predicates-core v1.0.6
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling termtree v0.4.1
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling downcast v0.11.0
[INFO] [stderr]    Compiling fragile v2.0.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling bern-arch v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling predicates-tree v1.0.9
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling predicates v2.1.5
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling mockall_derive v0.11.4
[INFO] [stderr]    Compiling bern-units v0.1.0
[INFO] [stderr]    Compiling mockall v0.11.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(naked_functions)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:16:38
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![cfg_attr(not(target_os = "none"), feature(never_type))]
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bern-arch` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "af6e0cab50eb9992429724f35d89ed651ab295f5538187d6e7d03019f3432c85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af6e0cab50eb9992429724f35d89ed651ab295f5538187d6e7d03019f3432c85", kill_on_drop: false }`
[INFO] [stdout] af6e0cab50eb9992429724f35d89ed651ab295f5538187d6e7d03019f3432c85
