[INFO] crate cereal_macros 0.3.5 is already in cache
[INFO] checking cereal_macros-0.3.5 against try#22dd2dd1dc07f63ae9394352d412f020d2985684 for pr-74627
[INFO] extracting crate cereal_macros 0.3.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate cereal_macros 0.3.5 on toolchain 22dd2dd1dc07f63ae9394352d412f020d2985684
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cereal_macros 0.3.5
[INFO] finished tweaking crates.io crate cereal_macros 0.3.5
[INFO] tweaked toml for crates.io crate cereal_macros 0.3.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3467133f48ea586b4f8ba178ecade95d9341e75f69079f6319672422b601a18e
[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" "3467133f48ea586b4f8ba178ecade95d9341e75f69079f6319672422b601a18e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3467133f48ea586b4f8ba178ecade95d9341e75f69079f6319672422b601a18e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3467133f48ea586b4f8ba178ecade95d9341e75f69079f6319672422b601a18e", kill_on_drop: false }`
[INFO] [stdout] 3467133f48ea586b4f8ba178ecade95d9341e75f69079f6319672422b601a18e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b4a5485e0d5c439e39ffea8f522bce202cb66ed6bb20e676aa0e5ccef71c426
[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" "4b4a5485e0d5c439e39ffea8f522bce202cb66ed6bb20e676aa0e5ccef71c426", kill_on_drop: false }`
[INFO] [stderr]     Checking cereal_macros v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/plugin.rs:2:42
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_syntax, plugin_registrar, quote, rustc_private)]
[INFO] [stdout]   |                                          ^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/plugin.rs:2:42
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_syntax, plugin_registrar, quote, rustc_private)]
[INFO] [stdout]   |                                          ^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rustc_plugin`
[INFO] [stdout]  --> src/plugin.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate rustc_plugin;
[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 `cereal_macros`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0463]: can't find crate for `rustc_plugin`
[INFO] [stdout]  --> src/plugin.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate rustc_plugin;
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "4b4a5485e0d5c439e39ffea8f522bce202cb66ed6bb20e676aa0e5ccef71c426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b4a5485e0d5c439e39ffea8f522bce202cb66ed6bb20e676aa0e5ccef71c426", kill_on_drop: false }`
[INFO] [stdout] 4b4a5485e0d5c439e39ffea8f522bce202cb66ed6bb20e676aa0e5ccef71c426