[INFO] fetching crate hot-lib-reloader-macro 0.6.5...
[INFO] checking hot-lib-reloader-macro-0.6.5 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate hot-lib-reloader-macro 0.6.5 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate hot-lib-reloader-macro 0.6.5 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hot-lib-reloader-macro 0.6.5
[INFO] finished tweaking crates.io crate hot-lib-reloader-macro 0.6.5
[INFO] tweaked toml for crates.io crate hot-lib-reloader-macro 0.6.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate hot-lib-reloader-macro 0.6.5 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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7300fd2dbe99ec146b9bb83c0a0b4562995cc7c4237a7ad872ff43b9eb3d7358
[INFO] running `Command { std: "docker" "start" "-a" "7300fd2dbe99ec146b9bb83c0a0b4562995cc7c4237a7ad872ff43b9eb3d7358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7300fd2dbe99ec146b9bb83c0a0b4562995cc7c4237a7ad872ff43b9eb3d7358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7300fd2dbe99ec146b9bb83c0a0b4562995cc7c4237a7ad872ff43b9eb3d7358", kill_on_drop: false }`
[INFO] [stdout] 7300fd2dbe99ec146b9bb83c0a0b4562995cc7c4237a7ad872ff43b9eb3d7358
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e39482d8bf2f6eb3109fd530051f6f118653e9aef8431ed01d975c5908d8a81b
[INFO] running `Command { std: "docker" "start" "-a" "e39482d8bf2f6eb3109fd530051f6f118653e9aef8431ed01d975c5908d8a81b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]     Checking unicode-ident v1.0.6
[INFO] [stderr]     Checking hot-lib-reloader-macro v0.6.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `syn::File` doesn't implement `Debug`
[INFO] [stdout]  --> examples/syn-test.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         dbg!(ast);
[INFO] [stdout]   |         ^^^^^^^^^ `syn::File` cannot be formatted using `{:?}` because it doesn't implement `Debug`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Debug` is not implemented for `syn::File`
[INFO] [stdout]   = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `dbg` (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 `hot-lib-reloader-macro` (example "syn-test") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e39482d8bf2f6eb3109fd530051f6f118653e9aef8431ed01d975c5908d8a81b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e39482d8bf2f6eb3109fd530051f6f118653e9aef8431ed01d975c5908d8a81b", kill_on_drop: false }`
[INFO] [stdout] e39482d8bf2f6eb3109fd530051f6f118653e9aef8431ed01d975c5908d8a81b
