[INFO] fetching crate r3_port_riscv 0.3.1...
[INFO] documenting r3_port_riscv-0.3.1 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate r3_port_riscv 0.3.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate r3_port_riscv 0.3.1 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 r3_port_riscv 0.3.1
[INFO] finished tweaking crates.io crate r3_port_riscv 0.3.1
[INFO] tweaked toml for crates.io crate r3_port_riscv 0.3.1 written to /workspace/builds/worker-2-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 elain v0.3.0
[INFO] [stderr]   Downloaded tock-registers v0.7.0
[INFO] [stderr]   Downloaded svgbobdoc v0.3.0
[INFO] [stderr]   Downloaded r3_portkit v0.2.3
[INFO] [stderr]   Downloaded riscv-rt v0.8.1
[INFO] [stderr]   Downloaded r3_core v0.1.4
[INFO] [stderr]   Downloaded riscv v0.7.0
[INFO] [stderr]   Downloaded parry2d v0.8.0
[INFO] [stderr]   Downloaded pom v3.3.0
[INFO] [stderr]   Downloaded sauron v0.45.2
[INFO] [stderr]   Downloaded r3_kernel v0.1.4
[INFO] [stderr]   Downloaded riscv-target v0.1.2
[INFO] [stderr]   Downloaded jss v0.5.1
[INFO] [stderr]   Downloaded unstringify v0.1.4
[INFO] [stderr]   Downloaded r0 v1.0.0
[INFO] [stderr]   Downloaded macro_find_and_replace v1.0.0
[INFO] [stderr]   Downloaded macropol v0.1.3
[INFO] [stderr]   Downloaded tokenlock v0.3.8
[INFO] [stderr]   Downloaded sauron-core v0.45.2
[INFO] [stderr]   Downloaded mt-dom v0.15.0
[INFO] [stderr]   Downloaded svgbob v0.6.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1a5eb92adf81f38f0e3744e4da694f1a338cdde2986103d2254cdc380262f5f8
[INFO] running `Command { std: "docker" "start" "-a" "1a5eb92adf81f38f0e3744e4da694f1a338cdde2986103d2254cdc380262f5f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a5eb92adf81f38f0e3744e4da694f1a338cdde2986103d2254cdc380262f5f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a5eb92adf81f38f0e3744e4da694f1a338cdde2986103d2254cdc380262f5f8", kill_on_drop: false }`
[INFO] [stdout] 1a5eb92adf81f38f0e3744e4da694f1a338cdde2986103d2254cdc380262f5f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40a2c049a18dff30b57d57c1d1077bee7a639b92318c3806ba1eb813390af27d
[INFO] running `Command { std: "docker" "start" "-a" "40a2c049a18dff30b57d57c1d1077bee7a639b92318c3806ba1eb813390af27d", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking elain v0.3.0
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]    Compiling macro_find_and_replace v1.0.0
[INFO] [stderr]     Checking tock-registers v0.7.0
[INFO] [stderr]    Compiling unstringify v0.1.4
[INFO] [stderr]    Compiling tokenlock v0.3.8
[INFO] [stderr]    Compiling riscv-target v0.1.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tock-registers-0.7.0/src/lib.rs:56:1
[INFO] [stdout]    |
[INFO] [stdout] 56 | #![feature(const_fn_trait_bound)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `const_fn_trait_bound` has been stable since `1.61.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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 `tock-registers` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "40a2c049a18dff30b57d57c1d1077bee7a639b92318c3806ba1eb813390af27d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40a2c049a18dff30b57d57c1d1077bee7a639b92318c3806ba1eb813390af27d", kill_on_drop: false }`
[INFO] [stdout] 40a2c049a18dff30b57d57c1d1077bee7a639b92318c3806ba1eb813390af27d
[INFO] documenting r3_port_riscv-0.3.1 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate r3_port_riscv 0.3.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate r3_port_riscv 0.3.1 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 r3_port_riscv 0.3.1
[INFO] finished tweaking crates.io crate r3_port_riscv 0.3.1
[INFO] tweaked toml for crates.io crate r3_port_riscv 0.3.1 written to /workspace/builds/worker-2-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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a92a7bc52c3186b26fb793109385249c8b23bec05e3cca886dbfb9cafcf6b392
[INFO] running `Command { std: "docker" "start" "-a" "a92a7bc52c3186b26fb793109385249c8b23bec05e3cca886dbfb9cafcf6b392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a92a7bc52c3186b26fb793109385249c8b23bec05e3cca886dbfb9cafcf6b392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a92a7bc52c3186b26fb793109385249c8b23bec05e3cca886dbfb9cafcf6b392", kill_on_drop: false }`
[INFO] [stdout] a92a7bc52c3186b26fb793109385249c8b23bec05e3cca886dbfb9cafcf6b392
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57b84252f4643e9444a0430cb85df4efdae9d3f41e2d525f9b3f1afa09c82b0a
[INFO] running `Command { std: "docker" "start" "-a" "57b84252f4643e9444a0430cb85df4efdae9d3f41e2d525f9b3f1afa09c82b0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]     Checking elain v0.3.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]    Compiling unstringify v0.1.4
[INFO] [stderr]    Compiling macro_find_and_replace v1.0.0
[INFO] [stderr]     Checking tock-registers v0.7.0
[INFO] [stderr]    Compiling tokenlock v0.3.8
[INFO] [stderr]    Compiling riscv-target v0.1.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tock-registers-0.7.0/src/lib.rs:56:1
[INFO] [stdout]    |
[INFO] [stdout] 56 | #![feature(const_fn_trait_bound)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `const_fn_trait_bound` has been stable since `1.61.0` and no longer requires an attribute to enable
[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 `tock-registers` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "57b84252f4643e9444a0430cb85df4efdae9d3f41e2d525f9b3f1afa09c82b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57b84252f4643e9444a0430cb85df4efdae9d3f41e2d525f9b3f1afa09c82b0a", kill_on_drop: false }`
[INFO] [stdout] 57b84252f4643e9444a0430cb85df4efdae9d3f41e2d525f9b3f1afa09c82b0a
