[INFO] cloning repository https://github.com/MiguelMathias/proj1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MiguelMathias/proj1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMiguelMathias%2Fproj1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMiguelMathias%2Fproj1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c3c571213b5f2b174cf3f0be361f368dce0bded1
[INFO] testing MiguelMathias/proj1 against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMiguelMathias%2Fproj1" "/workspace/builds/worker-61/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-61/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MiguelMathias/proj1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MiguelMathias/proj1
[INFO] finished tweaking git repo https://github.com/MiguelMathias/proj1
[INFO] tweaked toml for git repo https://github.com/MiguelMathias/proj1 written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] crate git repo https://github.com/MiguelMathias/proj1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 412473241fae8086dfe6f08e7add9b3fc23fe9bf72ae343c4c3cdd94e88df197
[INFO] running `Command { std: "docker" "start" "-a" "412473241fae8086dfe6f08e7add9b3fc23fe9bf72ae343c4c3cdd94e88df197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "412473241fae8086dfe6f08e7add9b3fc23fe9bf72ae343c4c3cdd94e88df197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "412473241fae8086dfe6f08e7add9b3fc23fe9bf72ae343c4c3cdd94e88df197", kill_on_drop: false }`
[INFO] [stdout] 412473241fae8086dfe6f08e7add9b3fc23fe9bf72ae343c4c3cdd94e88df197
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1ea9521562204fe7ed1209da996b1009491255853f8509107194b3704a377ef
[INFO] running `Command { std: "docker" "start" "-a" "d1ea9521562204fe7ed1209da996b1009491255853f8509107194b3704a377ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling proj1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/tcp/sender.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 |                 .expect(format!("Couldn't bind sender to {}!", ipv4Addr)),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&str`, found struct `String`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proj1` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "d1ea9521562204fe7ed1209da996b1009491255853f8509107194b3704a377ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1ea9521562204fe7ed1209da996b1009491255853f8509107194b3704a377ef", kill_on_drop: false }`
[INFO] [stdout] d1ea9521562204fe7ed1209da996b1009491255853f8509107194b3704a377ef