[INFO] fetching crate bitrange_plugin 0.1.2...
[INFO] checking bitrange_plugin-0.1.2 against beta for pr-78714
[INFO] extracting crate bitrange_plugin 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bitrange_plugin 0.1.2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitrange_plugin 0.1.2
[INFO] finished tweaking crates.io crate bitrange_plugin 0.1.2
[INFO] tweaked toml for crates.io crate bitrange_plugin 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 393d6e88d2282814f26a398e7f9a1d8143597c85eb33d5c84cacfa01838acf94
[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" "393d6e88d2282814f26a398e7f9a1d8143597c85eb33d5c84cacfa01838acf94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "393d6e88d2282814f26a398e7f9a1d8143597c85eb33d5c84cacfa01838acf94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "393d6e88d2282814f26a398e7f9a1d8143597c85eb33d5c84cacfa01838acf94", kill_on_drop: false }`
[INFO] [stdout] 393d6e88d2282814f26a398e7f9a1d8143597c85eb33d5c84cacfa01838acf94
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c830e3e946f6561d399453a8f31debdfcf32547b1f565a411846faf678ba3ab3
[INFO] running `Command { std: "docker" "start" "-a" "c830e3e946f6561d399453a8f31debdfcf32547b1f565a411846faf678ba3ab3", kill_on_drop: false }`
[INFO] [stderr]     Checking bitrange_plugin v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(proc_macro)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(proc_macro)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Term` found for enum `proc_macro::TokenTree` in the current scope
[INFO] [stdout]   --> src/pattern.rs:60:37
[INFO] [stdout]    |
[INFO] [stdout] 60 |                     Some(TokenTree::Term(term)) => {
[INFO] [stdout]    |                                     ^^^^ variant or associated item not found in `proc_macro::TokenTree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Op` found for enum `proc_macro::TokenTree` in the current scope
[INFO] [stdout]   --> src/pattern.rs:85:28
[INFO] [stdout]    |
[INFO] [stdout] 85 |     if let Some(TokenTree::Op(op)) = item {
[INFO] [stdout]    |                            ^^ variant or associated item not found in `proc_macro::TokenTree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Term` found for enum `proc_macro::TokenTree` in the current scope
[INFO] [stdout]   --> src/pattern.rs:97:28
[INFO] [stdout]    |
[INFO] [stdout] 97 |     if let Some(TokenTree::Term(term)) = item {
[INFO] [stdout]    |                            ^^^^ variant or associated item not found in `proc_macro::TokenTree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitrange_plugin`
[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[E0599]: no variant or associated item named `Term` found for enum `proc_macro::TokenTree` in the current scope
[INFO] [stdout]   --> src/pattern.rs:60:37
[INFO] [stdout]    |
[INFO] [stdout] 60 |                     Some(TokenTree::Term(term)) => {
[INFO] [stdout]    |                                     ^^^^ variant or associated item not found in `proc_macro::TokenTree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Op` found for enum `proc_macro::TokenTree` in the current scope
[INFO] [stdout]   --> src/pattern.rs:85:28
[INFO] [stdout]    |
[INFO] [stdout] 85 |     if let Some(TokenTree::Op(op)) = item {
[INFO] [stdout]    |                            ^^ variant or associated item not found in `proc_macro::TokenTree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Term` found for enum `proc_macro::TokenTree` in the current scope
[INFO] [stdout]   --> src/pattern.rs:97:28
[INFO] [stdout]    |
[INFO] [stdout] 97 |     if let Some(TokenTree::Term(term)) = item {
[INFO] [stdout]    |                            ^^^^ variant or associated item not found in `proc_macro::TokenTree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c830e3e946f6561d399453a8f31debdfcf32547b1f565a411846faf678ba3ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c830e3e946f6561d399453a8f31debdfcf32547b1f565a411846faf678ba3ab3", kill_on_drop: false }`
[INFO] [stdout] c830e3e946f6561d399453a8f31debdfcf32547b1f565a411846faf678ba3ab3