[INFO] cloning repository https://github.com/AndruMace/BreakTime
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndruMace/BreakTime" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndruMace%2FBreakTime", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndruMace%2FBreakTime'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14dba6601dd657f9a02b6fe39c948407af955bf9
[INFO] documenting AndruMace/BreakTime against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndruMace%2FBreakTime" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AndruMace/BreakTime 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 git repo https://github.com/AndruMace/BreakTime
[INFO] finished tweaking git repo https://github.com/AndruMace/BreakTime
[INFO] tweaked toml for git repo https://github.com/AndruMace/BreakTime written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/AndruMace/BreakTime 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]  Downloading crates ...
[INFO] [stderr]   Downloaded open v2.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e5eb9751f4712ccbbedd8e0bb2d240621cdb9dc08e7a6fa33334e601dc453127
[INFO] running `Command { std: "docker" "start" "-a" "e5eb9751f4712ccbbedd8e0bb2d240621cdb9dc08e7a6fa33334e601dc453127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5eb9751f4712ccbbedd8e0bb2d240621cdb9dc08e7a6fa33334e601dc453127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5eb9751f4712ccbbedd8e0bb2d240621cdb9dc08e7a6fa33334e601dc453127", kill_on_drop: false }`
[INFO] [stdout] e5eb9751f4712ccbbedd8e0bb2d240621cdb9dc08e7a6fa33334e601dc453127
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] eed1f742dcaf96f71a24f75515f48cebdec2cf62226c57ff8929eadd0c7a3f6b
[INFO] running `Command { std: "docker" "start" "-a" "eed1f742dcaf96f71a24f75515f48cebdec2cf62226c57ff8929eadd0c7a3f6b", kill_on_drop: false }`
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking open v2.1.3
[INFO] [stderr]     Checking directories-next v2.0.0
[INFO] [stderr]  Documenting breaktime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(path_try_exists)]
[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 document `breaktime`
[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 bin --crate-name breaktime src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=1cb7f0fce25ee2e4 -L dependency=/opt/rustwide/target/debug/deps --extern directories_next=/opt/rustwide/target/debug/deps/libdirectories_next-8dd9e690a6873f72.rmeta --extern dirs=/opt/rustwide/target/debug/deps/libdirs-c1ccaba41ee89c76.rmeta --extern open=/opt/rustwide/target/debug/deps/libopen-1f8149dbb02d41d8.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-0e64e7070f8eb4e7.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "eed1f742dcaf96f71a24f75515f48cebdec2cf62226c57ff8929eadd0c7a3f6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eed1f742dcaf96f71a24f75515f48cebdec2cf62226c57ff8929eadd0c7a3f6b", kill_on_drop: false }`
[INFO] [stdout] eed1f742dcaf96f71a24f75515f48cebdec2cf62226c57ff8929eadd0c7a3f6b
