[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 beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolwem%2Fbridge-trainer" "/workspace/builds/worker-37/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/colwem/bridge-trainer on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-37/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" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustyline v6.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3a6a2bebd0783ce2a3edbc42fa6b7835abb00a56f90445eea7140012befa414
[INFO] running `Command { std: "docker" "start" "-a" "e3a6a2bebd0783ce2a3edbc42fa6b7835abb00a56f90445eea7140012befa414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3a6a2bebd0783ce2a3edbc42fa6b7835abb00a56f90445eea7140012befa414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a6a2bebd0783ce2a3edbc42fa6b7835abb00a56f90445eea7140012befa414", kill_on_drop: false }`
[INFO] [stdout] e3a6a2bebd0783ce2a3edbc42fa6b7835abb00a56f90445eea7140012befa414
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef2a483e220c9401fe06489313bfa7ace4ee5fc0d2e344fdc39f8b5bfeb76f5b
[INFO] running `Command { std: "docker" "start" "-a" "ef2a483e220c9401fe06489313bfa7ace4ee5fc0d2e344fdc39f8b5bfeb76f5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling dirs v2.0.2
[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]     |                  `combinations` moved due to this implicit call to `.into_iter()`, in previous iteration of loop
[INFO] [stdout]     |                  help: consider borrowing to avoid moving into the for loop: `&combinations`
[INFO] [stdout]     |
[INFO] [stdout] note: this function takes ownership of the receiver `self`, which moves `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` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ef2a483e220c9401fe06489313bfa7ace4ee5fc0d2e344fdc39f8b5bfeb76f5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef2a483e220c9401fe06489313bfa7ace4ee5fc0d2e344fdc39f8b5bfeb76f5b", kill_on_drop: false }`
[INFO] [stdout] ef2a483e220c9401fe06489313bfa7ace4ee5fc0d2e344fdc39f8b5bfeb76f5b
