[INFO] fetching crate repose 0.1.0...
[INFO] documenting repose-0.1.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate repose 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate repose 0.1.0 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 repose 0.1.0
[INFO] finished tweaking crates.io crate repose 0.1.0
[INFO] tweaked toml for crates.io crate repose 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 libarchive3-sys v0.1.2
[INFO] [stderr]   Downloaded base64 v0.3.1
[INFO] [stderr]   Downloaded libarchive v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e1971bfddc5fe1cc721f0a3c3a64a97d14923d0d8fff654750a404b39507e14e
[INFO] running `Command { std: "docker" "start" "-a" "e1971bfddc5fe1cc721f0a3c3a64a97d14923d0d8fff654750a404b39507e14e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1971bfddc5fe1cc721f0a3c3a64a97d14923d0d8fff654750a404b39507e14e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1971bfddc5fe1cc721f0a3c3a64a97d14923d0d8fff654750a404b39507e14e", kill_on_drop: false }`
[INFO] [stdout] e1971bfddc5fe1cc721f0a3c3a64a97d14923d0d8fff654750a404b39507e14e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 655af26edc2edfbb50ffc06cafba477b522409b246484d896723fc4fc1555afb
[INFO] running `Command { std: "docker" "start" "-a" "655af26edc2edfbb50ffc06cafba477b522409b246484d896723fc4fc1555afb", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking uname v0.1.1
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking base64 v0.3.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling libarchive3-sys v0.1.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking libarchive v0.1.1
[INFO] [stderr]  Documenting repose v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `slice_patterns` has been stable since `1.42.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `repose`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name repose src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=9111ba72b5202862 -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-c213f8f051721be1.rmeta --extern getopts=/opt/rustwide/target/debug/deps/libgetopts-d3241f5558bf3643.rmeta --extern libarchive=/opt/rustwide/target/debug/deps/liblibarchive-80e56984680cd8b5.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-4467f3ffc13087c9.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-3e801e26485dce58.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-795d1b0e30063f16.rmeta --extern uname=/opt/rustwide/target/debug/deps/libuname-2c51af4d289557e9.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "655af26edc2edfbb50ffc06cafba477b522409b246484d896723fc4fc1555afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "655af26edc2edfbb50ffc06cafba477b522409b246484d896723fc4fc1555afb", kill_on_drop: false }`
[INFO] [stdout] 655af26edc2edfbb50ffc06cafba477b522409b246484d896723fc4fc1555afb
