[INFO] cloning repository https://github.com/souvik1997/radish
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/souvik1997/radish" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsouvik1997%2Fradish", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsouvik1997%2Fradish'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 398b7f0bba49ff0789344013632e1b4886e9f620
[INFO] documenting souvik1997/radish against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsouvik1997%2Fradish" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/souvik1997/radish on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/souvik1997/radish
[INFO] finished tweaking git repo https://github.com/souvik1997/radish
[INFO] tweaked toml for git repo https://github.com/souvik1997/radish written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/souvik1997/radish already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b4c1755772a07f29c6507e838fa25c424fd6a496151002e6e8e3413dde8201fd
[INFO] running `Command { std: "docker" "start" "-a" "b4c1755772a07f29c6507e838fa25c424fd6a496151002e6e8e3413dde8201fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4c1755772a07f29c6507e838fa25c424fd6a496151002e6e8e3413dde8201fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4c1755772a07f29c6507e838fa25c424fd6a496151002e6e8e3413dde8201fd", kill_on_drop: false }`
[INFO] [stdout] b4c1755772a07f29c6507e838fa25c424fd6a496151002e6e8e3413dde8201fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7729b2dc237a6055ce0e2cd3604e7bb5242d72520a943b04ff8a1b6a5ca4cf55
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7729b2dc237a6055ce0e2cd3604e7bb5242d72520a943b04ff8a1b6a5ca4cf55", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking users v0.6.0
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]    Compiling libsqlite3-sys v0.8.1
[INFO] [stderr]    Compiling rlua v0.10.2
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]    Compiling diesel_derives v1.0.0
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking diesel v1.0.0
[INFO] [stderr]  Documenting radish 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(collections_range)]
[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] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `radish`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name radish src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-ff324e0b89dfb353.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-380ecbb5b726bca8.rmeta --extern diesel=/opt/rustwide/target/debug/deps/libdiesel-dd398fb043c8f0e7.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-61b3d0371d1ed0dd.rmeta --extern libsqlite3_sys=/opt/rustwide/target/debug/deps/liblibsqlite3_sys-2135ae604c2dc366.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-a2019a81566dfe23.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-0b29daba8c373f35.rmeta --extern rlua=/opt/rustwide/target/debug/deps/librlua-d9138c553f911fcc.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-511290ab97ffd6ee.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-e1148b236aaa3cd1.rmeta --extern unicode_normalization=/opt/rustwide/target/debug/deps/libunicode_normalization-1f7a41a5bfced5d6.rmeta --extern unicode_segmentation=/opt/rustwide/target/debug/deps/libunicode_segmentation-27fab8134336d2bf.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-1f3b3b4f3d357fc3.rmeta --extern users=/opt/rustwide/target/debug/deps/libusers-cc29df8c7446cd9d.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "7729b2dc237a6055ce0e2cd3604e7bb5242d72520a943b04ff8a1b6a5ca4cf55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7729b2dc237a6055ce0e2cd3604e7bb5242d72520a943b04ff8a1b6a5ca4cf55", kill_on_drop: false }`
[INFO] [stdout] 7729b2dc237a6055ce0e2cd3604e7bb5242d72520a943b04ff8a1b6a5ca4cf55
