[INFO] fetching crate schemat 0.1.21...
[INFO] documenting schemat-0.1.21 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate schemat 0.1.21 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate schemat 0.1.21 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] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate schemat 0.1.21
[INFO] finished tweaking crates.io crate schemat 0.1.21
[INFO] tweaked toml for crates.io crate schemat 0.1.21 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate schemat 0.1.21 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mfmt v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6411003fc9528b767570b8b1dd0877ad4e0349e37507741c958bee64de95c918
[INFO] running `Command { std: "docker" "start" "-a" "6411003fc9528b767570b8b1dd0877ad4e0349e37507741c958bee64de95c918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6411003fc9528b767570b8b1dd0877ad4e0349e37507741c958bee64de95c918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6411003fc9528b767570b8b1dd0877ad4e0349e37507741c958bee64de95c918", kill_on_drop: false }`
[INFO] [stdout] 6411003fc9528b767570b8b1dd0877ad4e0349e37507741c958bee64de95c918
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3602d0015e2c039d5654d97c7cfc0d8b3009e5165dec1bd6cabe7cfef114a3b3
[INFO] running `Command { std: "docker" "start" "-a" "3602d0015e2c039d5654d97c7cfc0d8b3009e5165dec1bd6cabe7cfef114a3b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking bytecount v0.6.3
[INFO] [stderr]     Checking bumpalo v3.14.0
[INFO] [stderr]     Checking mfmt v0.2.3
[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/mfmt-0.2.3/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(allocator_api)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/bumpalo-3.14.0/src/lib.rs:5:48
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![cfg_attr(feature = "allocator_api", feature(allocator_api))]
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^
[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 `mfmt` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `bumpalo` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3602d0015e2c039d5654d97c7cfc0d8b3009e5165dec1bd6cabe7cfef114a3b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3602d0015e2c039d5654d97c7cfc0d8b3009e5165dec1bd6cabe7cfef114a3b3", kill_on_drop: false }`
[INFO] [stdout] 3602d0015e2c039d5654d97c7cfc0d8b3009e5165dec1bd6cabe7cfef114a3b3
[INFO] documenting schemat-0.1.21 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate schemat 0.1.21 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate schemat 0.1.21 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] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate schemat 0.1.21
[INFO] finished tweaking crates.io crate schemat 0.1.21
[INFO] tweaked toml for crates.io crate schemat 0.1.21 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate schemat 0.1.21 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" "+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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] aa495bb79ba8bd226087de37ba2bc43bba6d8cae37dda1aedf45423c01bcd154
[INFO] running `Command { std: "docker" "start" "-a" "aa495bb79ba8bd226087de37ba2bc43bba6d8cae37dda1aedf45423c01bcd154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa495bb79ba8bd226087de37ba2bc43bba6d8cae37dda1aedf45423c01bcd154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa495bb79ba8bd226087de37ba2bc43bba6d8cae37dda1aedf45423c01bcd154", kill_on_drop: false }`
[INFO] [stdout] aa495bb79ba8bd226087de37ba2bc43bba6d8cae37dda1aedf45423c01bcd154
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b55ad50065242a6248534e5021fe3b462aa2cee95297882124fe8a94ab4e9180
[INFO] running `Command { std: "docker" "start" "-a" "b55ad50065242a6248534e5021fe3b462aa2cee95297882124fe8a94ab4e9180", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking bytecount v0.6.3
[INFO] [stderr]     Checking bumpalo v3.14.0
[INFO] [stderr]     Checking mfmt v0.2.3
[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/mfmt-0.2.3/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(allocator_api)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/bumpalo-3.14.0/src/lib.rs:5:48
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![cfg_attr(feature = "allocator_api", feature(allocator_api))]
[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 `mfmt` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `bumpalo` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b55ad50065242a6248534e5021fe3b462aa2cee95297882124fe8a94ab4e9180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b55ad50065242a6248534e5021fe3b462aa2cee95297882124fe8a94ab4e9180", kill_on_drop: false }`
[INFO] [stdout] b55ad50065242a6248534e5021fe3b462aa2cee95297882124fe8a94ab4e9180
