[INFO] cloning repository https://github.com/CBlair1986/rustbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CBlair1986/rustbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCBlair1986%2Frustbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCBlair1986%2Frustbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e63be4735366c42cd3a165ac86e41c46c4d24d53
[INFO] testing CBlair1986/rustbox against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCBlair1986%2Frustbox" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CBlair1986/rustbox on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CBlair1986/rustbox
[INFO] finished tweaking git repo https://github.com/CBlair1986/rustbox
[INFO] tweaked toml for git repo https://github.com/CBlair1986/rustbox written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/CBlair1986/rustbox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bfdfd55a4114bb2b10956b72ae3aa81a242c41c96b0d122200313968b3035eb
[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" "5bfdfd55a4114bb2b10956b72ae3aa81a242c41c96b0d122200313968b3035eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bfdfd55a4114bb2b10956b72ae3aa81a242c41c96b0d122200313968b3035eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bfdfd55a4114bb2b10956b72ae3aa81a242c41c96b0d122200313968b3035eb", kill_on_drop: false }`
[INFO] [stdout] 5bfdfd55a4114bb2b10956b72ae3aa81a242c41c96b0d122200313968b3035eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 0f8f2c8c2cac20c7ff8cfdb60729edbdb86da4728fde451ce06967cc67b0d2e0
[INFO] running `Command { std: "docker" "start" "-a" "0f8f2c8c2cac20c7ff8cfdb60729edbdb86da4728fde451ce06967cc67b0d2e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |         if (n > delta) {
[INFO] [stdout]    |            ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 2 arguments but 0 arguments were supplied
[INFO] [stdout]   --> src/main.rs:9:58
[INFO] [stdout]    |
[INFO] [stdout] 9  |     println!("Magic sequences for order-3 square: {:?}", magic_sequences())
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^-- supplied 0 arguments
[INFO] [stdout]    |                                                          |
[INFO] [stdout]    |                                                          expected 2 arguments
[INFO] [stdout] ...
[INFO] [stdout] 32 | fn magic_sequences(ns: Vec<i32>, target: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]    | -------------------------------------------------------------- defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustbox`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "0f8f2c8c2cac20c7ff8cfdb60729edbdb86da4728fde451ce06967cc67b0d2e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f8f2c8c2cac20c7ff8cfdb60729edbdb86da4728fde451ce06967cc67b0d2e0", kill_on_drop: false }`
[INFO] [stdout] 0f8f2c8c2cac20c7ff8cfdb60729edbdb86da4728fde451ce06967cc67b0d2e0