[INFO] cloning repository https://github.com/Sh4d1/rush
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sh4d1/rush" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSh4d1%2Frush", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSh4d1%2Frush'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2bb2b0979c99102ae25b054528185c5bc72b1e5e
[INFO] documenting Sh4d1/rush against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSh4d1%2Frush" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sh4d1/rush on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Sh4d1/rush
[INFO] finished tweaking git repo https://github.com/Sh4d1/rush
[INFO] tweaked toml for git repo https://github.com/Sh4d1/rush written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Sh4d1/rush already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/nix-rust/nix`
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang/libc`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded errno v0.1.8
[INFO] [stderr]   Downloaded shellexpand v1.0.0
[INFO] [stderr]   Downloaded exec v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 979c924be5d7cc56fd2501bd2b1dd004302d163b0c7ae1a284581c9ceb8f60ea
[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" "979c924be5d7cc56fd2501bd2b1dd004302d163b0c7ae1a284581c9ceb8f60ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "979c924be5d7cc56fd2501bd2b1dd004302d163b0c7ae1a284581c9ceb8f60ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "979c924be5d7cc56fd2501bd2b1dd004302d163b0c7ae1a284581c9ceb8f60ea", kill_on_drop: false }`
[INFO] [stdout] 979c924be5d7cc56fd2501bd2b1dd004302d163b0c7ae1a284581c9ceb8f60ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "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] ad2742bfa07c262999a8614e4ca840a567c9f112c3fc4fe4feedd3f2a4d969d2
[INFO] running `Command { std: "docker" "start" "-a" "ad2742bfa07c262999a8614e4ca840a567c9f112c3fc4fe4feedd3f2a4d969d2", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking bit-vec v0.4.3
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]     Checking libc v0.2.20 (https://github.com/rust-lang/libc#6813109f)
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking encode_unicode v0.1.3
[INFO] [stderr]     Checking shellexpand v1.0.0
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking errno v0.1.8
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking exec v0.2.0
[INFO] [stderr]     Checking nix v0.8.0 (https://github.com/nix-rust/nix#109b0e86)
[INFO] [stderr]     Checking chan v0.1.19
[INFO] [stderr]     Checking chan-signal v0.2.0
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]  Documenting rush v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rush v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]  --> src/prompt.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::env::{current_dir, home_dir};
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]   --> src/prompt.rs:37:23
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let homedir = home_dir().unwrap().as_path().to_str().expect("Failed : path -> str").to_string();
[INFO] [stdout]    |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/job_manager.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / lazy_static! {
[INFO] [stdout] 4 | |     pub static ref JOB: Mutex<JobManager> = Mutex::new(JobManager::new());
[INFO] [stdout] 5 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/job_manager.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / lazy_static! {
[INFO] [stdout] 4 | |     pub static ref JOB: Mutex<JobManager> = Mutex::new(JobManager::new());
[INFO] [stdout] 5 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(string_split_off)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `string_split_off` has been stable since 1.16.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(string_split_off)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(string_split_off)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rush` due to 2 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `rush`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name rushlib src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c7823b4d3ef23dc5 -L dependency=/opt/rustwide/target/debug/deps --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-e1f20bf12d097390.rmeta --extern chan_signal=/opt/rustwide/target/debug/deps/libchan_signal-8f8031290ac1ff09.rmeta --extern exec=/opt/rustwide/target/debug/deps/libexec-e2d170a1283f3d5b.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-bd44212d5468aa80.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-6d137696d8f8f04d.rmeta --extern rustyline=/opt/rustwide/target/debug/deps/librustyline-d7114c82cb998450.rmeta --extern shellexpand=/opt/rustwide/target/debug/deps/libshellexpand-a196793107b08ec2.rmeta --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ad2742bfa07c262999a8614e4ca840a567c9f112c3fc4fe4feedd3f2a4d969d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad2742bfa07c262999a8614e4ca840a567c9f112c3fc4fe4feedd3f2a4d969d2", kill_on_drop: false }`
[INFO] [stdout] ad2742bfa07c262999a8614e4ca840a567c9f112c3fc4fe4feedd3f2a4d969d2