[INFO] fetching crate rtest-derive 0.2.0...
[INFO] testing rtest-derive-0.2.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate rtest-derive 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rtest-derive 0.2.0
[INFO] finished tweaking crates.io crate rtest-derive 0.2.0
[INFO] tweaked toml for crates.io crate rtest-derive 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rtest-derive 0.2.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] [stderr]       Adding darling v0.20.11 (available: v0.21.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5caea7dbeb0d34e3894fc04b10ee561f0987ff4bf248d07a2700758947576ef
[INFO] running `Command { std: "docker" "start" "-a" "d5caea7dbeb0d34e3894fc04b10ee561f0987ff4bf248d07a2700758947576ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5caea7dbeb0d34e3894fc04b10ee561f0987ff4bf248d07a2700758947576ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5caea7dbeb0d34e3894fc04b10ee561f0987ff4bf248d07a2700758947576ef", kill_on_drop: false }`
[INFO] [stdout] d5caea7dbeb0d34e3894fc04b10ee561f0987ff4bf248d07a2700758947576ef
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76fc3f071604a10aa79473da17d298b52d1a4cc2f41078ff941649ffa75f1ad7
[INFO] running `Command { std: "docker" "start" "-a" "76fc3f071604a10aa79473da17d298b52d1a4cc2f41078ff941649ffa75f1ad7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling rtest-util v0.2.0
[INFO] [stdout] error[E0433]: failed to resolve: could not find `syn` in the list of imported crates
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rtest-util-0.2.0/src/lib.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub module:      Option<String>,
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^ could not find `syn` in the list of imported crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `syn` in the list of imported crates
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rtest-util-0.2.0/src/lib.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub group:       Option<String>,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^ could not find `syn` in the list of imported crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `syn` in the list of imported crates
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rtest-util-0.2.0/src/lib.rs:15:22
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub cost:        Option<u32>,
[INFO] [stdout]    |                      ^^^^^^^^^^^ could not find `syn` in the list of imported crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `syn` in the list of imported crates
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rtest-util-0.2.0/src/lib.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub responsible: Option<String>,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^ could not find `syn` in the list of imported crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `syn` in the list of imported crates
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rtest-util-0.2.0/src/lib.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub optional:    bool,
[INFO] [stdout]    |                      ^^^^ could not find `syn` in the list of imported crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rtest-util` (lib) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "76fc3f071604a10aa79473da17d298b52d1a4cc2f41078ff941649ffa75f1ad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76fc3f071604a10aa79473da17d298b52d1a4cc2f41078ff941649ffa75f1ad7", kill_on_drop: false }`
[INFO] [stdout] 76fc3f071604a10aa79473da17d298b52d1a4cc2f41078ff941649ffa75f1ad7