[INFO] fetching crate corundum 0.4.1...
[INFO] documenting corundum-0.4.1 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate corundum 0.4.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate corundum 0.4.1 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 corundum 0.4.1
[INFO] finished tweaking crates.io crate corundum 0.4.1
[INFO] tweaked toml for crates.io crate corundum 0.4.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate corundum 0.4.1 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 impl-trait-for-tuples v0.2.2
[INFO] [stderr]   Downloaded num-rational v0.4.0
[INFO] [stderr]   Downloaded num-complex v0.4.0
[INFO] [stderr]   Downloaded term-painter v0.3.0
[INFO] [stderr]   Downloaded crndm_derive v0.1.1
[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] 95a44abf34ea84edd2b194457180e2100b4b79b24310979b6588ee27e3e86a1d
[INFO] running `Command { std: "docker" "start" "-a" "95a44abf34ea84edd2b194457180e2100b4b79b24310979b6588ee27e3e86a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95a44abf34ea84edd2b194457180e2100b4b79b24310979b6588ee27e3e86a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95a44abf34ea84edd2b194457180e2100b4b79b24310979b6588ee27e3e86a1d", kill_on_drop: false }`
[INFO] [stdout] 95a44abf34ea84edd2b194457180e2100b4b79b24310979b6588ee27e3e86a1d
[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] 81c0acc35e60856334855021e797cc060d5b2184da730af9952ea0200b810a5b
[INFO] running `Command { std: "docker" "start" "-a" "81c0acc35e60856334855021e797cc060d5b2184da730af9952ea0200b810a5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking term-painter v0.3.0
[INFO] [stderr]     Checking num-bigint v0.4.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling crndm_derive v0.1.1
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.2
[INFO] [stderr]  Documenting corundum v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]    --> src/lib.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 | #![feature(untagged_unions)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]     |
[INFO] [stdout]     = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more
[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] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `corundum`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name corundum src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="cbindings"' --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b23f5f3645b087da -L dependency=/opt/rustwide/target/debug/deps --extern crndm_derive=/opt/rustwide/target/debug/deps/libcrndm_derive-33f252bb6babfafd.so --extern impl_trait_for_tuples=/opt/rustwide/target/debug/deps/libimpl_trait_for_tuples-ab514a87d0a1c128.so --extern libc=/opt/rustwide/target/debug/deps/liblibc-0aac9aeef1ad6e71.rmeta --extern memmap=/opt/rustwide/target/debug/deps/libmemmap-61fff5aa0f074a2e.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-42f8efd2d219758f.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-9132f2fe4131051a.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-ce5a8e361f983bd7.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-4cda21e5b426bf5b.rmeta --extern term_painter=/opt/rustwide/target/debug/deps/libterm_painter-38b9fb92c63ac7d6.rmeta --cap-lints=warn --crate-version 0.4.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "81c0acc35e60856334855021e797cc060d5b2184da730af9952ea0200b810a5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81c0acc35e60856334855021e797cc060d5b2184da730af9952ea0200b810a5b", kill_on_drop: false }`
[INFO] [stdout] 81c0acc35e60856334855021e797cc060d5b2184da730af9952ea0200b810a5b
