[INFO] fetching crate espa 0.15.0...
[INFO] documenting espa-0.15.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate espa 0.15.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate espa 0.15.0 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 espa 0.15.0
[INFO] finished tweaking crates.io crate espa 0.15.0
[INFO] tweaked toml for crates.io crate espa 0.15.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate espa 0.15.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.68
[INFO] [stderr]   Downloaded esl v0.18.0
[INFO] [stderr]   Downloaded document-features v0.2.7
[INFO] [stderr]   Downloaded hashbrown v0.14.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ecc969b61c041b4817b97e270a9324d4fb336b44d4165223b79d70a7bf5fcc9c
[INFO] running `Command { std: "docker" "start" "-a" "ecc969b61c041b4817b97e270a9324d4fb336b44d4165223b79d70a7bf5fcc9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecc969b61c041b4817b97e270a9324d4fb336b44d4165223b79d70a7bf5fcc9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecc969b61c041b4817b97e270a9324d4fb336b44d4165223b79d70a7bf5fcc9c", kill_on_drop: false }`
[INFO] [stdout] ecc969b61c041b4817b97e270a9324d4fb336b44d4165223b79d70a7bf5fcc9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bedb2cc243543a4e8425b757b3da0f944b019e81f3e8c3b3189a81cb7d75e210
[INFO] running `Command { std: "docker" "start" "-a" "bedb2cc243543a4e8425b757b3da0f944b019e81f3e8c3b3189a81cb7d75e210", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.68
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling litrs v0.2.3
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking hashbrown v0.14.1
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking flate2 v1.0.27
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]     Checking unsafe-libyaml v0.2.9
[INFO] [stderr]     Checking base64 v0.21.4
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]    Compiling document-features v0.2.7
[INFO] [stderr]     Checking aho-corasick v1.1.1
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking clap_builder v4.4.6
[INFO] [stderr]     Checking indexmap v2.0.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking iter-identify_first_last v0.2.0
[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/iter-identify_first_last-0.2.0/src/lib.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature="nightly", feature(trusted_len))]
[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]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr] error: could not compile `iter-identify_first_last` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bedb2cc243543a4e8425b757b3da0f944b019e81f3e8c3b3189a81cb7d75e210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bedb2cc243543a4e8425b757b3da0f944b019e81f3e8c3b3189a81cb7d75e210", kill_on_drop: false }`
[INFO] [stdout] bedb2cc243543a4e8425b757b3da0f944b019e81f3e8c3b3189a81cb7d75e210
[INFO] documenting espa-0.15.0 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate espa 0.15.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate espa 0.15.0 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 espa 0.15.0
[INFO] finished tweaking crates.io crate espa 0.15.0
[INFO] tweaked toml for crates.io crate espa 0.15.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate espa 0.15.0 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f47d4b4135e808fe6626955ed6e52e31c4a1f5ab6c0677d3e34dd273442f2dea
[INFO] running `Command { std: "docker" "start" "-a" "f47d4b4135e808fe6626955ed6e52e31c4a1f5ab6c0677d3e34dd273442f2dea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f47d4b4135e808fe6626955ed6e52e31c4a1f5ab6c0677d3e34dd273442f2dea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f47d4b4135e808fe6626955ed6e52e31c4a1f5ab6c0677d3e34dd273442f2dea", kill_on_drop: false }`
[INFO] [stdout] f47d4b4135e808fe6626955ed6e52e31c4a1f5ab6c0677d3e34dd273442f2dea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e296a214caec16ccfb05c7e6280cd024751b9547a3256e3e5586fe037fc3bc4e
[INFO] running `Command { std: "docker" "start" "-a" "e296a214caec16ccfb05c7e6280cd024751b9547a3256e3e5586fe037fc3bc4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.68
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling litrs v0.2.3
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking hashbrown v0.14.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking flate2 v1.0.27
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking base64 v0.21.4
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]     Checking unsafe-libyaml v0.2.9
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking clap_builder v4.4.6
[INFO] [stderr]    Compiling document-features v0.2.7
[INFO] [stderr]     Checking indexmap v2.0.2
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking aho-corasick v1.1.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking iter-identify_first_last v0.2.0
[INFO] [stderr]     Checking getrandom v0.2.10
[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/iter-identify_first_last-0.2.0/src/lib.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature="nightly", feature(trusted_len))]
[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 `iter-identify_first_last` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e296a214caec16ccfb05c7e6280cd024751b9547a3256e3e5586fe037fc3bc4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e296a214caec16ccfb05c7e6280cd024751b9547a3256e3e5586fe037fc3bc4e", kill_on_drop: false }`
[INFO] [stdout] e296a214caec16ccfb05c7e6280cd024751b9547a3256e3e5586fe037fc3bc4e
