[INFO] cloning repository https://github.com/colwem/bridge-trainer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/colwem/bridge-trainer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolwem%2Fbridge-trainer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolwem%2Fbridge-trainer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c0b6c24e4a5173166e0480ddf552ebbaccc22a4
[INFO] testing colwem/bridge-trainer against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolwem%2Fbridge-trainer" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/colwem/bridge-trainer on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/colwem/bridge-trainer
[INFO] finished tweaking git repo https://github.com/colwem/bridge-trainer
[INFO] tweaked toml for git repo https://github.com/colwem/bridge-trainer written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/colwem/bridge-trainer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7a1c6ee20d8278319f84f487156ff6255e811af472a97e31d0b7ee639d37847
[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" "a7a1c6ee20d8278319f84f487156ff6255e811af472a97e31d0b7ee639d37847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7a1c6ee20d8278319f84f487156ff6255e811af472a97e31d0b7ee639d37847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7a1c6ee20d8278319f84f487156ff6255e811af472a97e31d0b7ee639d37847", kill_on_drop: false }`
[INFO] [stdout] a7a1c6ee20d8278319f84f487156ff6255e811af472a97e31d0b7ee639d37847
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94215c4e6b15204b63b0aab7c78c57376e3edecf541208b771a6447c9ecb1d43
[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" "94215c4e6b15204b63b0aab7c78c57376e3edecf541208b771a6447c9ecb1d43", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rustyline v6.0.0
[INFO] [stderr]    Compiling bridge-trainer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0382]: borrow of moved value: `combinations`
[INFO] [stdout]   --> src/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut combinations:Vec<String> = Vec::new();
[INFO] [stdout]    |         ---------------- move occurs because `combinations` has type `Vec<String>`, which does not implement the `Copy` trait
[INFO] [stdout] ...
[INFO] [stdout] 34 |         combinations.shuffle(&mut rng);
[INFO] [stdout]    |         ^^^^^^^^^^^^ value borrowed here after move
[INFO] [stdout] 35 |         for c in combinations {
[INFO] [stdout]    |                  ------------
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  value moved here, in previous iteration of loop
[INFO] [stdout]    |                  help: consider borrowing to avoid moving into the for loop: `&combinations`
[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 E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bridge-trainer`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "94215c4e6b15204b63b0aab7c78c57376e3edecf541208b771a6447c9ecb1d43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94215c4e6b15204b63b0aab7c78c57376e3edecf541208b771a6447c9ecb1d43", kill_on_drop: false }`
[INFO] [stdout] 94215c4e6b15204b63b0aab7c78c57376e3edecf541208b771a6447c9ecb1d43