[INFO] fetching crate smlr 0.1.3...
[INFO] documenting smlr-0.1.3 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate smlr 0.1.3 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate smlr 0.1.3 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate smlr 0.1.3
[INFO] finished tweaking crates.io crate smlr 0.1.3
[INFO] tweaked toml for crates.io crate smlr 0.1.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate smlr 0.1.3 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded eddie v0.4.2
[INFO] [stderr]   Downloaded subtle v2.2.3
[INFO] [stderr]   Downloaded serde v1.0.115
[INFO] [stderr]   Downloaded blake2 v0.9.0
[INFO] [stderr]   Downloaded syn v1.0.38
[INFO] [stderr]   Downloaded serde_derive v1.0.115
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bea0066e18ea046d7ee72a04eb5591e01b41cd86a266c21bc6e69d571d180bcb
[INFO] running `Command { std: "docker" "start" "-a" "bea0066e18ea046d7ee72a04eb5591e01b41cd86a266c21bc6e69d571d180bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bea0066e18ea046d7ee72a04eb5591e01b41cd86a266c21bc6e69d571d180bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bea0066e18ea046d7ee72a04eb5591e01b41cd86a266c21bc6e69d571d180bcb", kill_on_drop: false }`
[INFO] [stdout] bea0066e18ea046d7ee72a04eb5591e01b41cd86a266c21bc6e69d571d180bcb
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf5be5cdc8bd947ab1c953878463f720ce75735680e43b4905c6657d879e320a
[INFO] running `Command { std: "docker" "start" "-a" "cf5be5cdc8bd947ab1c953878463f720ce75735680e43b4905c6657d879e320a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking eddie v0.4.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking blake2 v0.9.0
[INFO] [stderr]  Documenting smlr v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `CliOptions`
[INFO] [stdout]  --> src/file_manager.rs:3:89
[INFO] [stdout]   |
[INFO] [stdout] 3 | /// This struct helps us manage the location of the persistence files depending on the [CliOptions]
[INFO] [stdout]   |                                                                                         ^^^^^^^^^^ no item named `CliOptions` in scope
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]   = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `PersistenceOptions`
[INFO] [stdout]  --> src/file_manager.rs:4:62
[INFO] [stdout]   |
[INFO] [stdout] 4 | /// provided by the user or the default. See especially the [PersistenceOptions].
[INFO] [stdout]   |                                                              ^^^^^^^^^^^^^^^^^^ no item named `PersistenceOptions` in scope
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `filename`
[INFO] [stdout]   --> src/lib.rs:79:47
[INFO] [stdout]    |
[INFO] [stdout] 79 | /// This function reads the file provided as [filename] of get the input
[INFO] [stdout]    |                                               ^^^^^^^^ no item named `filename` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `flename`
[INFO] [stdout]   --> src/lib.rs:80:20
[INFO] [stdout]    |
[INFO] [stdout] 80 | /// from stdin if [flename] was None.
[INFO] [stdout]    |                    ^^^^^^^ no item named `flename` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings 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 `smlr`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name smlr src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0a6aabc07387117a -L dependency=/opt/rustwide/target/debug/deps --extern blake2=/opt/rustwide/target/debug/deps/libblake2-52a0d336f6b08c93.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-2408a5af82e4f142.rmeta --extern eddie=/opt/rustwide/target/debug/deps/libeddie-313c955dc3a2214a.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-24a2ffc4bff8a019.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-765d315c34621696.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-bd4356ef540c047b.rmeta --cap-lints=warn --crate-version 0.1.3` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "cf5be5cdc8bd947ab1c953878463f720ce75735680e43b4905c6657d879e320a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf5be5cdc8bd947ab1c953878463f720ce75735680e43b4905c6657d879e320a", kill_on_drop: false }`
[INFO] [stdout] cf5be5cdc8bd947ab1c953878463f720ce75735680e43b4905c6657d879e320a
