[INFO] cloning repository https://github.com/cbrevik/rabbitary
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cbrevik/rabbitary" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbrevik%2Frabbitary", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbrevik%2Frabbitary'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 289a142e416d41bf87a462f6a9b2fdd145af1c2f
[INFO] checking cbrevik/rabbitary against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbrevik%2Frabbitary" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cbrevik/rabbitary on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cbrevik/rabbitary
[INFO] finished tweaking git repo https://github.com/cbrevik/rabbitary
[INFO] tweaked toml for git repo https://github.com/cbrevik/rabbitary written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/cbrevik/rabbitary already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcbc5a4e2deb4379b65a8ab49745b09456823c417bb960c6943479384d7a204e
[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" "dcbc5a4e2deb4379b65a8ab49745b09456823c417bb960c6943479384d7a204e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcbc5a4e2deb4379b65a8ab49745b09456823c417bb960c6943479384d7a204e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcbc5a4e2deb4379b65a8ab49745b09456823c417bb960c6943479384d7a204e", kill_on_drop: false }`
[INFO] [stdout] dcbc5a4e2deb4379b65a8ab49745b09456823c417bb960c6943479384d7a204e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6ae06cf84d9b51b7bb1bd41c9636a4a867df22a8dfb464b0baeb04bcb4f113a
[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" "d6ae06cf84d9b51b7bb1bd41c9636a4a867df22a8dfb464b0baeb04bcb4f113a", kill_on_drop: false }`
[INFO] [stderr]     Checking http v0.1.16
[INFO] [stderr]     Checking rabbitary v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `RABBIT0`
[INFO] [stdout]  --> src/index.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | const RABBIT0: &str = "🐰";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RABBIT1`
[INFO] [stdout]  --> src/index.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const RABBIT1: &str = "🐇";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `str_to_rabbitary`
[INFO] [stdout]  --> src/index.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn str_to_rabbitary(text: &str) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rabbitary_to_str`
[INFO] [stdout]   --> src/index.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn rabbitary_to_str(rabbitary: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `handler`
[INFO] [stdout]   --> src/index.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn handler(request: Request<()>) -> http::Result<Response<String>> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `handler`
[INFO] [stdout]   --> src/index.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn handler(request: Request<()>) -> http::Result<Response<String>> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.75s
[INFO] running `Command { std: "docker" "inspect" "d6ae06cf84d9b51b7bb1bd41c9636a4a867df22a8dfb464b0baeb04bcb4f113a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6ae06cf84d9b51b7bb1bd41c9636a4a867df22a8dfb464b0baeb04bcb4f113a", kill_on_drop: false }`
[INFO] [stdout] d6ae06cf84d9b51b7bb1bd41c9636a4a867df22a8dfb464b0baeb04bcb4f113a