[INFO] cloning repository https://github.com/nrc/rls-analysis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nrc/rls-analysis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrc%2Frls-analysis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrc%2Frls-analysis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd9939247dae2dbe4c801af4c0c3f82035f88d49
[INFO] testing nrc/rls-analysis against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrc%2Frls-analysis" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nrc/rls-analysis on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nrc/rls-analysis
[INFO] finished tweaking git repo https://github.com/nrc/rls-analysis
[INFO] tweaked toml for git repo https://github.com/nrc/rls-analysis written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/nrc/rls-analysis already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded json v0.11.13
[INFO] [stderr]   Downloaded derive-new v0.5.6
[INFO] [stderr]   Downloaded rls-data v0.18.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf959b9a500aa0c145e2af8e5f6a0c54390d7020d1a73f638970001e76b5ad6e
[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" "cf959b9a500aa0c145e2af8e5f6a0c54390d7020d1a73f638970001e76b5ad6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf959b9a500aa0c145e2af8e5f6a0c54390d7020d1a73f638970001e76b5ad6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf959b9a500aa0c145e2af8e5f6a0c54390d7020d1a73f638970001e76b5ad6e", kill_on_drop: false }`
[INFO] [stdout] cf959b9a500aa0c145e2af8e5f6a0c54390d7020d1a73f638970001e76b5ad6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--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] 74a1b5ce5b1bd4bbf1fa54abf1fc9afcf6ec2b1c6e482ab4373211ed218e6d41
[INFO] running `Command { std: "docker" "start" "-a" "74a1b5ce5b1bd4bbf1fa54abf1fc9afcf6ec2b1c6e482ab4373211ed218e6d41", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling json v0.11.13
[INFO] [stderr]    Compiling rls-span v0.4.1
[INFO] [stderr]    Compiling fst v0.3.3
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling rls-data v0.18.2
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling derive-new v0.5.6
[INFO] [stderr]    Compiling rls-analysis v0.16.12 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(type_ascription)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(crate_visibility_modifier)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:598:46
[INFO] [stdout]     |
[INFO] [stdout] 598 |         write!(f, "{}", ::std::error::Error::description(self))
[INFO] [stdout]     |                                              ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rls-analysis` due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "74a1b5ce5b1bd4bbf1fa54abf1fc9afcf6ec2b1c6e482ab4373211ed218e6d41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74a1b5ce5b1bd4bbf1fa54abf1fc9afcf6ec2b1c6e482ab4373211ed218e6d41", kill_on_drop: false }`
[INFO] [stdout] 74a1b5ce5b1bd4bbf1fa54abf1fc9afcf6ec2b1c6e482ab4373211ed218e6d41