[INFO] cloning repository https://github.com/plorefice/invade-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/plorefice/invade-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplorefice%2Finvade-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplorefice%2Finvade-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a373b854b33793adce22fd0dc13c1c1f59c737c
[INFO] documenting plorefice/invade-rs 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%2Fplorefice%2Finvade-rs" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/plorefice/invade-rs 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/plorefice/invade-rs
[INFO] finished tweaking git repo https://github.com/plorefice/invade-rs
[INFO] tweaked toml for git repo https://github.com/plorefice/invade-rs written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/plorefice/invade-rs 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-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" "+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] 7cb667722fddc8dbe8b61159a9f49ffd98b074a541bc8b6e19672b557f424cda
[INFO] running `Command { std: "docker" "start" "-a" "7cb667722fddc8dbe8b61159a9f49ffd98b074a541bc8b6e19672b557f424cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cb667722fddc8dbe8b61159a9f49ffd98b074a541bc8b6e19672b557f424cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cb667722fddc8dbe8b61159a9f49ffd98b074a541bc8b6e19672b557f424cda", kill_on_drop: false }`
[INFO] [stdout] 7cb667722fddc8dbe8b61159a9f49ffd98b074a541bc8b6e19672b557f424cda
[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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] bb344ecd8dc112e8978fc21f54daeeb250f295bd6697df840b3c7463b2f287c3
[INFO] running `Command { std: "docker" "start" "-a" "bb344ecd8dc112e8978fc21f54daeeb250f295bd6697df840b3c7463b2f287c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]     Checking unicode-segmentation v1.2.1
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]     Checking tui v0.3.0-beta.3
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]  Documenting invade-rs 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(nll)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(range_contains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 `invade-rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name invade_rs 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 clap=/opt/rustwide/target/debug/deps/libclap-3c2d5eb2429e100b.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-e3d7d22521f9a6ef.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-0b2baeb832b70c21.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-e4d0786298bab446.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-6f3726862cef4833.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-33bad640886bae40.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "bb344ecd8dc112e8978fc21f54daeeb250f295bd6697df840b3c7463b2f287c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb344ecd8dc112e8978fc21f54daeeb250f295bd6697df840b3c7463b2f287c3", kill_on_drop: false }`
[INFO] [stdout] bb344ecd8dc112e8978fc21f54daeeb250f295bd6697df840b3c7463b2f287c3
