[INFO] fetching crate fixnum 0.7.0...
[INFO] documenting fixnum-0.7.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate fixnum 0.7.0 into /workspace/builds/worker-112/source
[INFO] validating manifest of crates.io crate fixnum 0.7.0 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] started tweaking crates.io crate fixnum 0.7.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate fixnum 0.7.0
[INFO] tweaked toml for crates.io crate fixnum 0.7.0 written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] crate crates.io crate fixnum 0.7.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded impl-trait-for-tuples v0.2.1
[INFO] [stderr]   Downloaded byte-slice-cast v1.2.0
[INFO] [stderr]   Downloaded trybuild v1.0.53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] 168b9dfe5f4e5a6f75a9f01b15ede2e44553c448131ff6daee7a0b1bdd860eb0
[INFO] running `Command { std: "docker" "start" "-a" "168b9dfe5f4e5a6f75a9f01b15ede2e44553c448131ff6daee7a0b1bdd860eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "168b9dfe5f4e5a6f75a9f01b15ede2e44553c448131ff6daee7a0b1bdd860eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "168b9dfe5f4e5a6f75a9f01b15ede2e44553c448131ff6daee7a0b1bdd860eb0", kill_on_drop: false }`
[INFO] [stdout] 168b9dfe5f4e5a6f75a9f01b15ede2e44553c448131ff6daee7a0b1bdd860eb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] deb4f0f459cfe314c1eb028831323d5a45bc978a550bb4890027837ac92eefd0
[INFO] running `Command { std: "docker" "start" "-a" "deb4f0f459cfe314c1eb028831323d5a45bc978a550bb4890027837ac92eefd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]  Documenting fixnum v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: Some of the next features must be enabled: "i128", "i64", "i32", "i16"
[INFO] [stdout]    --> src/lib.rs:153:1
[INFO] [stdout]     |
[INFO] [stdout] 153 | compile_error!("Some of the next features must be enabled: \"i128\", \"i64\", \"i32\", \"i16\"");
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `fixnum`
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name fixnum src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="serde"' --cfg 'feature="std"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=21c874591ca24aa7 -L dependency=/opt/rustwide/target/debug/deps --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-cbd6b08d31d36250.so --extern itoa=/opt/rustwide/target/debug/deps/libitoa-75e7c899ce14f4bd.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-c1dbd7982c3bdf69.rmeta --extern static_assertions=/opt/rustwide/target/debug/deps/libstatic_assertions-df62a6794b74038e.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-d5d797e647ec61d1.rmeta --cap-lints=warn --crate-version 0.7.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "deb4f0f459cfe314c1eb028831323d5a45bc978a550bb4890027837ac92eefd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deb4f0f459cfe314c1eb028831323d5a45bc978a550bb4890027837ac92eefd0", kill_on_drop: false }`
[INFO] [stdout] deb4f0f459cfe314c1eb028831323d5a45bc978a550bb4890027837ac92eefd0