[INFO] cloning repository https://github.com/afdw/cas
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/afdw/cas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fafdw%2Fcas", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fafdw%2Fcas'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc38026a86612eaa89094ba88d72ff3442c93534
[INFO] documenting afdw/cas against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fafdw%2Fcas" "/workspace/builds/worker-37/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/afdw/cas on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-37/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/afdw/cas
[INFO] finished tweaking git repo https://github.com/afdw/cas
[INFO] tweaked toml for git repo https://github.com/afdw/cas written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate git repo https://github.com/afdw/cas already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `named-profiles` has been stabilized in the 1.57 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/profiles.html#custom-profiles for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pango-sys v0.10.0
[INFO] [stderr]   Downloaded gobject-sys v0.10.0
[INFO] [stderr]   Downloaded glib-sys v0.10.1
[INFO] [stderr]   Downloaded cairo-sys-rs v0.10.0
[INFO] [stderr]   Downloaded pango v0.9.1
[INFO] [stderr]   Downloaded serde_json v1.0.59
[INFO] [stderr]   Downloaded glib v0.10.3
[INFO] [stderr]   Downloaded glib-macros v0.10.1
[INFO] [stderr]   Downloaded futures-util v0.3.8
[INFO] [stderr]   Downloaded futures-task v0.3.8
[INFO] [stderr]   Downloaded futures-executor v0.3.8
[INFO] [stderr]   Downloaded futures-io v0.3.8
[INFO] [stderr]   Downloaded pin-project-internal v1.0.2
[INFO] [stderr]   Downloaded pin-project v1.0.2
[INFO] [stderr]   Downloaded futures-core v0.3.8
[INFO] [stderr]   Downloaded gtk-sys v0.10.0
[INFO] [stderr]   Downloaded cairo-rs v0.9.1
[INFO] [stderr]   Downloaded futures-macro v0.3.8
[INFO] [stderr]   Downloaded gio-sys v0.10.1
[INFO] [stderr]   Downloaded futures-channel v0.3.8
[INFO] [stderr]   Downloaded gdk-sys v0.10.0
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.10.0
[INFO] [stderr]   Downloaded atk-sys v0.10.0
[INFO] [stderr]   Downloaded futures v0.3.8
[INFO] [stderr]   Downloaded gdk-pixbuf v0.9.0
[INFO] [stderr]   Downloaded gio v0.9.1
[INFO] [stderr]   Downloaded atk v0.9.0
[INFO] [stderr]   Downloaded system-deps v1.3.2
[INFO] [stderr]   Downloaded anyhow v1.0.34
[INFO] [stderr]   Downloaded pangocairo-sys v0.11.0
[INFO] [stderr]   Downloaded pangocairo v0.10.0
[INFO] [stderr]   Downloaded cc v1.0.65
[INFO] [stderr]   Downloaded futures-sink v0.3.8
[INFO] [stderr]   Downloaded syn v1.0.52
[INFO] [stderr]   Downloaded thiserror-impl v1.0.22
[INFO] [stderr]   Downloaded thiserror v1.0.22
[INFO] [stderr]   Downloaded serde v1.0.117
[INFO] [stderr]   Downloaded indexmap v1.6.0
[INFO] [stderr]   Downloaded toml v0.5.7
[INFO] [stderr]   Downloaded strum v0.18.0
[INFO] [stderr]   Downloaded strum_macros v0.18.0
[INFO] [stderr]   Downloaded version-compare v0.0.10
[INFO] [stderr]   Downloaded gdk v0.13.2
[INFO] [stderr]   Downloaded gtk v0.9.2
[INFO] [stderr]   Downloaded libc v0.2.80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d899855ffb50b837278bddac3446771ab9a9ca27ce82579500de506639b51c41
[INFO] running `Command { std: "docker" "start" "-a" "d899855ffb50b837278bddac3446771ab9a9ca27ce82579500de506639b51c41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d899855ffb50b837278bddac3446771ab9a9ca27ce82579500de506639b51c41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d899855ffb50b837278bddac3446771ab9a9ca27ce82579500de506639b51c41", kill_on_drop: false }`
[INFO] [stdout] d899855ffb50b837278bddac3446771ab9a9ca27ce82579500de506639b51c41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f164ad0f3abaf338d172200090bcc9c11b74475bd3668c33e2c68d94dbea281
[INFO] running `Command { std: "docker" "start" "-a" "7f164ad0f3abaf338d172200090bcc9c11b74475bd3668c33e2c68d94dbea281", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `named-profiles` has been stabilized in the 1.57 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/profiles.html#custom-profiles for more information about using this feature.
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]    Compiling pango v0.9.1
[INFO] [stderr]    Compiling gio v0.9.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.9.0
[INFO] [stderr]    Compiling gdk v0.13.2
[INFO] [stderr]    Compiling atk v0.9.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling pangocairo v0.10.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling gtk v0.9.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling glib-macros v0.10.1
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling system-deps v1.3.2
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]    Compiling glib-sys v0.10.1
[INFO] [stderr]    Compiling gobject-sys v0.10.0
[INFO] [stderr]    Compiling gio-sys v0.10.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.10.0
[INFO] [stderr]    Compiling pango-sys v0.10.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.10.0
[INFO] [stderr]    Compiling gdk-sys v0.10.0
[INFO] [stderr]    Compiling atk-sys v0.10.0
[INFO] [stderr]    Compiling gtk-sys v0.10.0
[INFO] [stderr]    Compiling pangocairo-sys v0.11.0
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking glib v0.10.3
[INFO] [stderr]  Documenting cas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/serialization.rs:126:6
[INFO] [stdout]     |
[INFO] [stdout] 126 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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(iterator_fold_self)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `cas`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name cas src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=7d4b864e419ba316 -L dependency=/opt/rustwide/target/debug/deps --extern cairo=/opt/rustwide/target/debug/deps/libcairo-5d861eab873134fb.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-8af77a8eaceb3a1c.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-aca76639f4a16b35.rmeta --extern gtk=/opt/rustwide/target/debug/deps/libgtk-f73670e27218d9ac.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-155028970a51ff98.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-ccca90cbbb4a18f5.rmeta --extern pangocairo=/opt/rustwide/target/debug/deps/libpangocairo-532690dbf7f8d38c.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-0b236750cb2bced4.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-61ab47fbdbe2150d.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "7f164ad0f3abaf338d172200090bcc9c11b74475bd3668c33e2c68d94dbea281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f164ad0f3abaf338d172200090bcc9c11b74475bd3668c33e2c68d94dbea281", kill_on_drop: false }`
[INFO] [stdout] 7f164ad0f3abaf338d172200090bcc9c11b74475bd3668c33e2c68d94dbea281