[INFO] fetching crate coppers 0.1.1...
[INFO] documenting coppers-0.1.1 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate coppers 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate coppers 0.1.1 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 coppers 0.1.1
[INFO] finished tweaking crates.io crate coppers 0.1.1
[INFO] tweaked toml for crates.io crate coppers 0.1.1 written to /workspace/builds/worker-0-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 pyo3-macros v0.16.6
[INFO] [stderr]   Downloaded pyo3-build-config v0.16.6
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.16.6
[INFO] [stderr]   Downloaded pyo3-ffi v0.16.6
[INFO] [stderr]   Downloaded pyo3 v0.16.6
[INFO] [stderr]   Downloaded libgit2-sys v0.13.5+1.4.5
[INFO] [stderr]   Downloaded git2 v0.14.4
[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] cae84f730dd1a65c706894872a230554eb7bed3f2d6e62a805f521fec35ed3a6
[INFO] running `Command { std: "docker" "start" "-a" "cae84f730dd1a65c706894872a230554eb7bed3f2d6e62a805f521fec35ed3a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cae84f730dd1a65c706894872a230554eb7bed3f2d6e62a805f521fec35ed3a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cae84f730dd1a65c706894872a230554eb7bed3f2d6e62a805f521fec35ed3a6", kill_on_drop: false }`
[INFO] [stdout] cae84f730dd1a65c706894872a230554eb7bed3f2d6e62a805f521fec35ed3a6
[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] 0dfa0d49044450e0c8ed0410ead6839bb28ab6ef1b9f1530dcbc0fcd09c139bc
[INFO] running `Command { std: "docker" "start" "-a" "0dfa0d49044450e0c8ed0410ead6839bb28ab6ef1b9f1530dcbc0fcd09c139bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling openssl-sys v0.9.98
[INFO] [stderr]    Compiling libz-sys v1.1.12
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.13.5+1.4.5
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]     Checking serde v1.0.195
[INFO] [stderr]     Checking serde_json v1.0.111
[INFO] [stderr]     Checking git2 v0.14.4
[INFO] [stderr]  Documenting coppers v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(test)]
[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:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(internal_output_capture)]
[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 document `coppers`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name coppers src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=70c8bc7266e54efb -L dependency=/opt/rustwide/target/debug/deps --extern git2=/opt/rustwide/target/debug/deps/libgit2-48fd5e5f8b75cf44.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-154257be2cdb5bdc.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-32b9f870004ccabd.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-319bf41ec1876518.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-2ef2aea336c6b9db.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "0dfa0d49044450e0c8ed0410ead6839bb28ab6ef1b9f1530dcbc0fcd09c139bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dfa0d49044450e0c8ed0410ead6839bb28ab6ef1b9f1530dcbc0fcd09c139bc", kill_on_drop: false }`
[INFO] [stdout] 0dfa0d49044450e0c8ed0410ead6839bb28ab6ef1b9f1530dcbc0fcd09c139bc
[INFO] documenting coppers-0.1.1 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate coppers 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate coppers 0.1.1 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 coppers 0.1.1
[INFO] finished tweaking crates.io crate coppers 0.1.1
[INFO] tweaked toml for crates.io crate coppers 0.1.1 written to /workspace/builds/worker-0-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-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] 82e75dc3a9a24eb097c35818c717eebc67cb082a01ee8991833e11e466bfc16c
[INFO] running `Command { std: "docker" "start" "-a" "82e75dc3a9a24eb097c35818c717eebc67cb082a01ee8991833e11e466bfc16c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82e75dc3a9a24eb097c35818c717eebc67cb082a01ee8991833e11e466bfc16c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82e75dc3a9a24eb097c35818c717eebc67cb082a01ee8991833e11e466bfc16c", kill_on_drop: false }`
[INFO] [stdout] 82e75dc3a9a24eb097c35818c717eebc67cb082a01ee8991833e11e466bfc16c
[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] 69121e185404e022bf6a86a9fb47721b826bbd881d3225e4ccb69ae016f8e357
[INFO] running `Command { std: "docker" "start" "-a" "69121e185404e022bf6a86a9fb47721b826bbd881d3225e4ccb69ae016f8e357", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling libz-sys v1.1.12
[INFO] [stderr]    Compiling openssl-sys v0.9.98
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.13.5+1.4.5
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]     Checking serde v1.0.195
[INFO] [stderr]     Checking serde_json v1.0.111
[INFO] [stderr]     Checking git2 v0.14.4
[INFO] [stderr]  Documenting coppers v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(test)]
[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:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(internal_output_capture)]
[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 document `coppers`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name coppers src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=739a3ce3e81930c4 -L dependency=/opt/rustwide/target/debug/deps --extern git2=/opt/rustwide/target/debug/deps/libgit2-56945d3cfb2f0621.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-5d39bbac87d797f4.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-2952d6a44c1ca133.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-da6f26dbfe339ccf.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-9e0c6bae8a4c7dfa.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "69121e185404e022bf6a86a9fb47721b826bbd881d3225e4ccb69ae016f8e357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69121e185404e022bf6a86a9fb47721b826bbd881d3225e4ccb69ae016f8e357", kill_on_drop: false }`
[INFO] [stdout] 69121e185404e022bf6a86a9fb47721b826bbd881d3225e4ccb69ae016f8e357
