[INFO] crate mockers_codegen 0.9.4 is already in cache
[INFO] testing mockers_codegen-0.9.4 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate mockers_codegen 0.9.4 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate mockers_codegen 0.9.4 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mockers_codegen 0.9.4
[INFO] finished tweaking crates.io crate mockers_codegen 0.9.4
[INFO] tweaked toml for crates.io crate mockers_codegen 0.9.4 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48c88e2f1fadddcb659ec51981ff129051a4da6b16579298a6846ee5d9c30948
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "48c88e2f1fadddcb659ec51981ff129051a4da6b16579298a6846ee5d9c30948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48c88e2f1fadddcb659ec51981ff129051a4da6b16579298a6846ee5d9c30948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48c88e2f1fadddcb659ec51981ff129051a4da6b16579298a6846ee5d9c30948", kill_on_drop: false }`
[INFO] [stdout] 48c88e2f1fadddcb659ec51981ff129051a4da6b16579298a6846ee5d9c30948
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 360c3e82a8a6f89e6a37be89b04d2b664ce300f9c4e2f0fed8a9412c9257de51
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "360c3e82a8a6f89e6a37be89b04d2b664ce300f9c4e2f0fed8a9412c9257de51", kill_on_drop: false }`
[INFO] [stderr]    Compiling mockers_codegen v0.9.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> 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] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]  --> 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] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stderr] error: could not compile `mockers_codegen`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "360c3e82a8a6f89e6a37be89b04d2b664ce300f9c4e2f0fed8a9412c9257de51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "360c3e82a8a6f89e6a37be89b04d2b664ce300f9c4e2f0fed8a9412c9257de51", kill_on_drop: false }`
[INFO] [stdout] 360c3e82a8a6f89e6a37be89b04d2b664ce300f9c4e2f0fed8a9412c9257de51