[INFO] cloning repository https://github.com/AndersLofgran/burn-that-dictator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndersLofgran/burn-that-dictator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndersLofgran%2Fburn-that-dictator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndersLofgran%2Fburn-that-dictator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb5abea1784abbac9bbb6ba5989780e5041918a4
[INFO] testing AndersLofgran/burn-that-dictator against beta-2021-09-12 for beta-1.56-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndersLofgran%2Fburn-that-dictator" "/workspace/builds/worker-45/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-45/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AndersLofgran/burn-that-dictator on toolchain beta-2021-09-12
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AndersLofgran/burn-that-dictator
[INFO] finished tweaking git repo https://github.com/AndersLofgran/burn-that-dictator
[INFO] tweaked toml for git repo https://github.com/AndersLofgran/burn-that-dictator written to /workspace/builds/worker-45/source/Cargo.toml
[INFO] crate git repo https://github.com/AndersLofgran/burn-that-dictator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-12" "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-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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-2021-09-12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acf6fcbc88ec2ef84da2e0f316b6a24ef5be36061e2b9c53fd6de9f61d5116fa
[INFO] running `Command { std: "docker" "start" "-a" "acf6fcbc88ec2ef84da2e0f316b6a24ef5be36061e2b9c53fd6de9f61d5116fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acf6fcbc88ec2ef84da2e0f316b6a24ef5be36061e2b9c53fd6de9f61d5116fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acf6fcbc88ec2ef84da2e0f316b6a24ef5be36061e2b9c53fd6de9f61d5116fa", kill_on_drop: false }`
[INFO] [stdout] acf6fcbc88ec2ef84da2e0f316b6a24ef5be36061e2b9c53fd6de9f61d5116fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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-2021-09-12" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3c57825c417c2918b448b44648244660d73941e02a3f6da31d510def23899a3
[INFO] running `Command { std: "docker" "start" "-a" "e3c57825c417c2918b448b44648244660d73941e02a3f6da31d510def23899a3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling hangman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/main.rs:101:50
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let guesses_str: String = guesses.iter().intersperse(&sep).collect();
[INFO] [stdout]     |                                                  ^^^^^^^^^^^ multiple `intersperse` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `std::slice::Iter<'a, T>`
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `Itertools` for the type `T`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let guesses_str: String = Iterator::intersperse(guesses.iter(), &sep).collect();
[INFO] [stdout]     |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let guesses_str: String = Itertools::intersperse(guesses.iter(), &sep).collect();
[INFO] [stdout]     |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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 E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hangman` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e3c57825c417c2918b448b44648244660d73941e02a3f6da31d510def23899a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3c57825c417c2918b448b44648244660d73941e02a3f6da31d510def23899a3", kill_on_drop: false }`
[INFO] [stdout] e3c57825c417c2918b448b44648244660d73941e02a3f6da31d510def23899a3