[INFO] fetching crate mockers_macros 0.9.4...
[INFO] checking mockers_macros-0.9.4 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate mockers_macros 0.9.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mockers_macros 0.9.4 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mockers_macros 0.9.4
[INFO] finished tweaking crates.io crate mockers_macros 0.9.4
[INFO] tweaked toml for crates.io crate mockers_macros 0.9.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a1e3f05cc95662728f038f90b165137c47e749a1b943a04a7d9835d863ef69c
[INFO] running `Command { std: "docker" "start" "-a" "4a1e3f05cc95662728f038f90b165137c47e749a1b943a04a7d9835d863ef69c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a1e3f05cc95662728f038f90b165137c47e749a1b943a04a7d9835d863ef69c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a1e3f05cc95662728f038f90b165137c47e749a1b943a04a7d9835d863ef69c", kill_on_drop: false }`
[INFO] [stdout] 4a1e3f05cc95662728f038f90b165137c47e749a1b943a04a7d9835d863ef69c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7252a820a4c3e085f620461d77368c642d2a2376c511ca65713e1ce95ce79071
[INFO] running `Command { std: "docker" "start" "-a" "7252a820a4c3e085f620461d77368c642d2a2376c511ca65713e1ce95ce79071", kill_on_drop: false }`
[INFO] [stderr]    Compiling mockers_codegen v0.9.4
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers_codegen-0.9.4/src/lib.rs:1:49
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(not(feature="with-syntex"), feature(quote, rustc_private))]
[INFO] [stdout]   |                                                 ^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mockers_codegen`
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers_codegen-0.9.4/src/lib.rs:7:36
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(not(feature="with-syntex"))] extern crate syntax;
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] Some errors have detailed explanations: E0463, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7252a820a4c3e085f620461d77368c642d2a2376c511ca65713e1ce95ce79071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7252a820a4c3e085f620461d77368c642d2a2376c511ca65713e1ce95ce79071", kill_on_drop: false }`
[INFO] [stdout] 7252a820a4c3e085f620461d77368c642d2a2376c511ca65713e1ce95ce79071