[INFO] cloning repository https://github.com/horahh/concurrency
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/horahh/concurrency" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhorahh%2Fconcurrency", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhorahh%2Fconcurrency'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b13d22becd5b50304ec6f0809a6aedfca5f6de6c
[INFO] testing horahh/concurrency against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhorahh%2Fconcurrency" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/horahh/concurrency on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/horahh/concurrency
[INFO] finished tweaking git repo https://github.com/horahh/concurrency
[INFO] tweaked toml for git repo https://github.com/horahh/concurrency written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/horahh/concurrency already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b69b5ef1b07e7aa5f1b41b8c86660b464fdceb686e1372ba1c5b0c96eb1ba890
[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" "b69b5ef1b07e7aa5f1b41b8c86660b464fdceb686e1372ba1c5b0c96eb1ba890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b69b5ef1b07e7aa5f1b41b8c86660b464fdceb686e1372ba1c5b0c96eb1ba890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b69b5ef1b07e7aa5f1b41b8c86660b464fdceb686e1372ba1c5b0c96eb1ba890", kill_on_drop: false }`
[INFO] [stdout] b69b5ef1b07e7aa5f1b41b8c86660b464fdceb686e1372ba1c5b0c96eb1ba890
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] d739e560091adeb9330f030c1d3fce1b0980630328a372a8fd7eb6ad4c7a72e2
[INFO] running `Command { std: "docker" "start" "-a" "d739e560091adeb9330f030c1d3fce1b0980630328a372a8fd7eb6ad4c7a72e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling psum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `fibonacci_mt` in this scope
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fibonacci_mt();
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: a function with a similar name exists: `fibbonacci_mt`
[INFO] [stdout] ...
[INFO] [stdout] 22 | fn fibbonacci_mt() {
[INFO] [stdout]    | ------------------ similarly named function `fibbonacci_mt` defined here
[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 E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `psum` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "d739e560091adeb9330f030c1d3fce1b0980630328a372a8fd7eb6ad4c7a72e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d739e560091adeb9330f030c1d3fce1b0980630328a372a8fd7eb6ad4c7a72e2", kill_on_drop: false }`
[INFO] [stdout] d739e560091adeb9330f030c1d3fce1b0980630328a372a8fd7eb6ad4c7a72e2