[INFO] cloning repository https://github.com/ericgumba/rustman
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ericgumba/rustman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericgumba%2Frustman", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericgumba%2Frustman'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d313a7a679e782c991dc4b684a460a629e164222
[INFO] testing ericgumba/rustman against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericgumba%2Frustman" "/workspace/builds/worker-50/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-50/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ericgumba/rustman on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ericgumba/rustman
[INFO] finished tweaking git repo https://github.com/ericgumba/rustman
[INFO] tweaked toml for git repo https://github.com/ericgumba/rustman written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] crate git repo https://github.com/ericgumba/rustman already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6442f744c141c48ceda9f7d2ae3fbfdcfd7cb19dff59929fd1567de7c19cfb67
[INFO] running `Command { std: "docker" "start" "-a" "6442f744c141c48ceda9f7d2ae3fbfdcfd7cb19dff59929fd1567de7c19cfb67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6442f744c141c48ceda9f7d2ae3fbfdcfd7cb19dff59929fd1567de7c19cfb67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6442f744c141c48ceda9f7d2ae3fbfdcfd7cb19dff59929fd1567de7c19cfb67", kill_on_drop: false }`
[INFO] [stdout] 6442f744c141c48ceda9f7d2ae3fbfdcfd7cb19dff59929fd1567de7c19cfb67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3dec1886520e93b7ddabcb61a521e010499a40140045e9bb695b167ff602812
[INFO] running `Command { std: "docker" "start" "-a" "e3dec1886520e93b7ddabcb61a521e010499a40140045e9bb695b167ff602812", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/main.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let s = String::from_iter(protagonist);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: borrow of moved value: `protagonist`
[INFO] [stdout]   --> src/main.rs:35:59
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut protagonist = Vec::new();
[INFO] [stdout]    |         --------------- move occurs because `protagonist` has type `Vec<char>`, which does not implement the `Copy` trait
[INFO] [stdout] ...
[INFO] [stdout] 31 |     let s = String::from_iter(protagonist);
[INFO] [stdout]    |                               ----------- value moved here
[INFO] [stdout] ...
[INFO] [stdout] 35 |     while lives > 0 && ! challenger.eq(&String::from_iter(&protagonist) ) {
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^ value borrowed here after move
[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 E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hello-rust` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e3dec1886520e93b7ddabcb61a521e010499a40140045e9bb695b167ff602812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3dec1886520e93b7ddabcb61a521e010499a40140045e9bb695b167ff602812", kill_on_drop: false }`
[INFO] [stdout] e3dec1886520e93b7ddabcb61a521e010499a40140045e9bb695b167ff602812