[INFO] cloning repository https://github.com/stevenliebregt/cargo-generate-rosalind-template
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stevenliebregt/cargo-generate-rosalind-template" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevenliebregt%2Fcargo-generate-rosalind-template", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevenliebregt%2Fcargo-generate-rosalind-template'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7c8b4be27ea640dfcb767cf5e27b51b384c2865
[INFO] testing stevenliebregt/cargo-generate-rosalind-template against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevenliebregt%2Fcargo-generate-rosalind-template" "/workspace/builds/worker-105/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-105/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stevenliebregt/cargo-generate-rosalind-template on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-105/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/stevenliebregt/cargo-generate-rosalind-template
[INFO] finished tweaking git repo https://github.com/stevenliebregt/cargo-generate-rosalind-template
[INFO] tweaked toml for git repo https://github.com/stevenliebregt/cargo-generate-rosalind-template written to /workspace/builds/worker-105/source/Cargo.toml
[INFO] crate git repo https://github.com/stevenliebregt/cargo-generate-rosalind-template already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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 rosalind_test_reader v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 058313b81a7ef97a4d5944ca6bdb959e8a662d19e8be149415ebe6f3d97fd9d6
[INFO] running `Command { std: "docker" "start" "-a" "058313b81a7ef97a4d5944ca6bdb959e8a662d19e8be149415ebe6f3d97fd9d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "058313b81a7ef97a4d5944ca6bdb959e8a662d19e8be149415ebe6f3d97fd9d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "058313b81a7ef97a4d5944ca6bdb959e8a662d19e8be149415ebe6f3d97fd9d6", kill_on_drop: false }`
[INFO] [stdout] 058313b81a7ef97a4d5944ca6bdb959e8a662d19e8be149415ebe6f3d97fd9d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b731970e6ebb37926a4fa71863bdcbe419fcd6a3d452070febc747eb001d1c7
[INFO] running `Command { std: "docker" "start" "-a" "6b731970e6ebb37926a4fa71863bdcbe419fcd6a3d452070febc747eb001d1c7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rosalind_test_reader v0.1.0
[INFO] [stderr]    Compiling app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `()` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         my_function()
[INFO] [stdout]    |         ^^^^^^^^^^^^^ `()` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `()`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: required by `std::fmt::Display::fmt`
[INFO] [stdout]    = note: this error originates in the macro `$crate::format_args_nl` (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 E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `app`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "6b731970e6ebb37926a4fa71863bdcbe419fcd6a3d452070febc747eb001d1c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b731970e6ebb37926a4fa71863bdcbe419fcd6a3d452070febc747eb001d1c7", kill_on_drop: false }`
[INFO] [stdout] 6b731970e6ebb37926a4fa71863bdcbe419fcd6a3d452070febc747eb001d1c7
