[INFO] cloning repository https://github.com/Navidem/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/Navidem/rls-analysis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNavidem%2Frls-analysis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNavidem%2Frls-analysis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5a178098f159354096d97dd86941963facc7dce
[INFO] testing Navidem/rls-analysis against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNavidem%2Frls-analysis" "/workspace/builds/worker-69/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-69/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Navidem/rls-analysis 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/Navidem/rls-analysis
[INFO] finished tweaking git repo https://github.com/Navidem/rls-analysis
[INFO] tweaked toml for git repo https://github.com/Navidem/rls-analysis written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] crate git repo https://github.com/Navidem/rls-analysis 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] [stdout] 8aa20863630cbbaddf0248da3d8163ee1c9449aeebd926e041e0c39deb224956
[INFO] running `Command { std: "docker" "start" "-a" "8aa20863630cbbaddf0248da3d8163ee1c9449aeebd926e041e0c39deb224956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8aa20863630cbbaddf0248da3d8163ee1c9449aeebd926e041e0c39deb224956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aa20863630cbbaddf0248da3d8163ee1c9449aeebd926e041e0c39deb224956", kill_on_drop: false }`
[INFO] [stdout] 8aa20863630cbbaddf0248da3d8163ee1c9449aeebd926e041e0c39deb224956
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09fd7328a70bde1a84fab10b74a798a7decf6ee8b45bec0840c67d51132c8bce
[INFO] running `Command { std: "docker" "start" "-a" "09fd7328a70bde1a84fab10b74a798a7decf6ee8b45bec0840c67d51132c8bce", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling nibble_vec v0.0.4
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.6
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling radix_trie v0.1.3
[INFO] [stderr]    Compiling quote v0.5.1
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling rls-span v0.4.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rls-span-0.4.0/src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(proc_macro)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `proc_macro` has been stable since 1.29.0 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 compile `rls-span`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "09fd7328a70bde1a84fab10b74a798a7decf6ee8b45bec0840c67d51132c8bce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09fd7328a70bde1a84fab10b74a798a7decf6ee8b45bec0840c67d51132c8bce", kill_on_drop: false }`
[INFO] [stdout] 09fd7328a70bde1a84fab10b74a798a7decf6ee8b45bec0840c67d51132c8bce
