[INFO] cloning repository https://github.com/haithcock/rust-fundamentals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/haithcock/rust-fundamentals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaithcock%2Frust-fundamentals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaithcock%2Frust-fundamentals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99148865497d968c7c8d5f7956f1273b778acdf3
[INFO] checking haithcock/rust-fundamentals against master#d14d202262d13df896b0c624b0cec6e4bfde631a for pr-143028
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaithcock%2Frust-fundamentals" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/haithcock/rust-fundamentals
[INFO] finished tweaking git repo https://github.com/haithcock/rust-fundamentals
[INFO] tweaked toml for git repo https://github.com/haithcock/rust-fundamentals written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/haithcock/rust-fundamentals on toolchain d14d202262d13df896b0c624b0cec6e4bfde631a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d14d202262d13df896b0c624b0cec6e4bfde631a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/haithcock/rust-fundamentals already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d14d202262d13df896b0c624b0cec6e4bfde631a" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+d14d202262d13df896b0c624b0cec6e4bfde631a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 815e9a02c55118f5ed5111bd04629125804bfaa12677bca02e11e30240d82bde
[INFO] running `Command { std: "docker" "start" "-a" "815e9a02c55118f5ed5111bd04629125804bfaa12677bca02e11e30240d82bde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "815e9a02c55118f5ed5111bd04629125804bfaa12677bca02e11e30240d82bde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "815e9a02c55118f5ed5111bd04629125804bfaa12677bca02e11e30240d82bde", kill_on_drop: false }`
[INFO] [stdout] 815e9a02c55118f5ed5111bd04629125804bfaa12677bca02e11e30240d82bde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+d14d202262d13df896b0c624b0cec6e4bfde631a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 835895c292e4bfc74d6b76165ac4ed3fd4703266bccffbda2c9348f54d9d9411
[INFO] running `Command { std: "docker" "start" "-a" "835895c292e4bfc74d6b76165ac4ed3fd4703266bccffbda2c9348f54d9d9411", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-fundamentals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `fn(i32) {print_age}` doesn't implement `std::fmt::Display`
[INFO] [stdout]  --> src/main.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | println!("{}", print_age);
[INFO] [stdout]   |           --   ^^^^^^^^^ `fn(i32) {print_age}` cannot be formatted with the default formatter
[INFO] [stdout]   |           |
[INFO] [stdout]   |           required by this formatting parameter
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `std::fmt::Display` is not implemented for fn item `fn(i32) {print_age}`
[INFO] [stdout]   = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]   = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `fn(i32) {print_age}` doesn't implement `std::fmt::Display`
[INFO] [stdout]  --> src/main.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | println!("{}", print_age);
[INFO] [stdout]   |           --   ^^^^^^^^^ `fn(i32) {print_age}` cannot be formatted with the default formatter
[INFO] [stdout]   |           |
[INFO] [stdout]   |           required by this formatting parameter
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `std::fmt::Display` is not implemented for fn item `fn(i32) {print_age}`
[INFO] [stdout]   = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]   = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-fundamentals` (bin "rust-fundamentals" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-fundamentals` (bin "rust-fundamentals") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "835895c292e4bfc74d6b76165ac4ed3fd4703266bccffbda2c9348f54d9d9411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "835895c292e4bfc74d6b76165ac4ed3fd4703266bccffbda2c9348f54d9d9411", kill_on_drop: false }`
[INFO] [stdout] 835895c292e4bfc74d6b76165ac4ed3fd4703266bccffbda2c9348f54d9d9411