[INFO] fetching crate fixnum 0.6.0...
[INFO] documenting fixnum-0.6.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate fixnum 0.6.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate fixnum 0.6.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fixnum 0.6.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate fixnum 0.6.0
[INFO] tweaked toml for crates.io crate fixnum 0.6.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate fixnum 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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 trybuild v1.0.42
[INFO] [stderr]   Downloaded byte-slice-cast v1.0.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.4
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.4
[INFO] [stderr]   Downloaded colored v2.0.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.74
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.74
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.74
[INFO] [stderr]   Downloaded js-sys v0.3.51
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.74
[INFO] [stderr]   Downloaded derive_more v0.99.14
[INFO] [stderr]   Downloaded cast v0.2.6
[INFO] [stderr]   Downloaded parity-scale-codec-derive v2.1.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.74
[INFO] [stderr]   Downloaded web-sys v0.3.51
[INFO] [stderr]   Downloaded parity-scale-codec v2.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7dd91caf3b245cdc7e282ea2a665ec77a42cdd0c57ef5fd678f05a3c9e4d629
[INFO] running `Command { std: "docker" "start" "-a" "d7dd91caf3b245cdc7e282ea2a665ec77a42cdd0c57ef5fd678f05a3c9e4d629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7dd91caf3b245cdc7e282ea2a665ec77a42cdd0c57ef5fd678f05a3c9e4d629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7dd91caf3b245cdc7e282ea2a665ec77a42cdd0c57ef5fd678f05a3c9e4d629", kill_on_drop: false }`
[INFO] [stdout] d7dd91caf3b245cdc7e282ea2a665ec77a42cdd0c57ef5fd678f05a3c9e4d629
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d3b9da8fdea1b33dbcc7afb5a7b131e99dacdabe427e80311772137198581c4
[INFO] running `Command { std: "docker" "start" "-a" "4d3b9da8fdea1b33dbcc7afb5a7b131e99dacdabe427e80311772137198581c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling derive_more v0.99.14
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]  Documenting fixnum v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: Some of the next features must be enabled: "i128", "i64", "i32", "i16"
[INFO] [stdout]    --> src/lib.rs:150:1
[INFO] [stdout]     |
[INFO] [stdout] 150 | compile_error!("Some of the next features must be enabled: \"i128\", \"i64\", \"i32\", \"i16\"");
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `fixnum`
[INFO] [stderr] 
[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 --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-1f8f4573db888654.so --extern serde=/opt/rustwide/target/debug/deps/libserde-809e5ded8d20a396.rmeta --extern static_assertions=/opt/rustwide/target/debug/deps/libstatic_assertions-d349298a6426b9af.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-12ddda03e0414e14.rmeta --cap-lints=warn --crate-version 0.6.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "4d3b9da8fdea1b33dbcc7afb5a7b131e99dacdabe427e80311772137198581c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d3b9da8fdea1b33dbcc7afb5a7b131e99dacdabe427e80311772137198581c4", kill_on_drop: false }`
[INFO] [stdout] 4d3b9da8fdea1b33dbcc7afb5a7b131e99dacdabe427e80311772137198581c4
