[INFO] fetching crate mockers_codegen 0.9.4...
[INFO] checking mockers_codegen-0.9.4 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate mockers_codegen 0.9.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mockers_codegen 0.9.4 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ff52e9bcafaa2ec68ea007aaad7df2b690e0d0957ebaf4f1b3770629c6e9e66
[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" "6ff52e9bcafaa2ec68ea007aaad7df2b690e0d0957ebaf4f1b3770629c6e9e66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ff52e9bcafaa2ec68ea007aaad7df2b690e0d0957ebaf4f1b3770629c6e9e66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ff52e9bcafaa2ec68ea007aaad7df2b690e0d0957ebaf4f1b3770629c6e9e66", kill_on_drop: false }`
[INFO] [stdout] 6ff52e9bcafaa2ec68ea007aaad7df2b690e0d0957ebaf4f1b3770629c6e9e66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a42fb8268014656ad8996690dd7990cc228e8e90870f7f6d4bd775b0984aba65
[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" "a42fb8268014656ad8996690dd7990cc228e8e90870f7f6d4bd775b0984aba65", kill_on_drop: false }`
[INFO] [stderr]    Compiling mockers_codegen v0.9.4 (/opt/rustwide/workdir)
[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[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] [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] [stderr] error: could not compile `mockers_codegen`
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] Some errors have detailed explanations: E0463, E0557.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a42fb8268014656ad8996690dd7990cc228e8e90870f7f6d4bd775b0984aba65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a42fb8268014656ad8996690dd7990cc228e8e90870f7f6d4bd775b0984aba65", kill_on_drop: false }`
[INFO] [stdout] a42fb8268014656ad8996690dd7990cc228e8e90870f7f6d4bd775b0984aba65