[INFO] cloning repository https://github.com/carlomunguia/rusty-worlds
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/carlomunguia/rusty-worlds" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarlomunguia%2Frusty-worlds", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarlomunguia%2Frusty-worlds'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ae15ca49adfe35607698ab281f67482c1798967
[INFO] testing carlomunguia/rusty-worlds against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarlomunguia%2Frusty-worlds" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/carlomunguia/rusty-worlds on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/carlomunguia/rusty-worlds
[INFO] finished tweaking git repo https://github.com/carlomunguia/rusty-worlds
[INFO] tweaked toml for git repo https://github.com/carlomunguia/rusty-worlds written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/carlomunguia/rusty-worlds already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", 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] a9ce370fcd534615290c8f36d03c5eba79b4c448e9e3c1d6e2107b7fd6be0d1d
[INFO] running `Command { std: "docker" "start" "-a" "a9ce370fcd534615290c8f36d03c5eba79b4c448e9e3c1d6e2107b7fd6be0d1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9ce370fcd534615290c8f36d03c5eba79b4c448e9e3c1d6e2107b7fd6be0d1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9ce370fcd534615290c8f36d03c5eba79b4c448e9e3c1d6e2107b7fd6be0d1d", kill_on_drop: false }`
[INFO] [stdout] a9ce370fcd534615290c8f36d03c5eba79b4c448e9e3c1d6e2107b7fd6be0d1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fffe13e67ebb0adb693a72546667b9dc26f8228e935f09b9c9b543fabf3f5781
[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" "fffe13e67ebb0adb693a72546667b9dc26f8228e935f09b9c9b543fabf3f5781", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-io v0.3.1
[INFO] [stderr]    Compiling pin-project-lite v0.1.0
[INFO] [stderr]    Compiling once_cell v1.2.0
[INFO] [stderr]    Compiling async-task v1.0.0
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling tokio-threadpool v0.1.16
[INFO] [stderr]    Compiling futures-timer v1.0.3
[INFO] [stderr]    Compiling async-macros v1.0.0
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.10
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling async-std v1.0.1
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-udp v0.1.5
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling rusty-worlds v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `s1` in this scope
[INFO] [stdout]   --> src/main.rs:26:38
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let (z2, len) = calculate_length(s1);
[INFO] [stdout]    |                                      ^^ help: a local variable with a similar name exists: `z1`
[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 `rusty-worlds`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "fffe13e67ebb0adb693a72546667b9dc26f8228e935f09b9c9b543fabf3f5781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fffe13e67ebb0adb693a72546667b9dc26f8228e935f09b9c9b543fabf3f5781", kill_on_drop: false }`
[INFO] [stdout] fffe13e67ebb0adb693a72546667b9dc26f8228e935f09b9c9b543fabf3f5781
