[INFO] fetching crate ra_ap_cfg 0.0.19...
[INFO] checking ra_ap_cfg-0.0.19 against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] extracting crate ra_ap_cfg 0.0.19 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate ra_ap_cfg 0.0.19 on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ra_ap_cfg 0.0.19
[INFO] finished tweaking crates.io crate ra_ap_cfg 0.0.19
[INFO] tweaked toml for crates.io crate ra_ap_cfg 0.0.19 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "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" "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" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", 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] 20b75082c4f5a49c830034f31362a425d884ca42891f72cc561950cfa1bd9061
[INFO] running `Command { std: "docker" "start" "-a" "20b75082c4f5a49c830034f31362a425d884ca42891f72cc561950cfa1bd9061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20b75082c4f5a49c830034f31362a425d884ca42891f72cc561950cfa1bd9061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20b75082c4f5a49c830034f31362a425d884ca42891f72cc561950cfa1bd9061", kill_on_drop: false }`
[INFO] [stdout] 20b75082c4f5a49c830034f31362a425d884ca42891f72cc561950cfa1bd9061
[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" "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" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7506c23a0733cf00a94b919c92ef0567b098db8be063b13891a192bcecf5ad7f
[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" "7506c23a0733cf00a94b919c92ef0567b098db8be063b13891a192bcecf5ad7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking ra_ap_stdx v0.0.19
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking smol_str v0.1.17
[INFO] [stderr]     Checking ra_ap_tt v0.0.19
[INFO] [stderr]     Checking ra_ap_cfg v0.0.19 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `mbe`
[INFO] [stdout]   --> src/cfg_expr.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |     use mbe::ast_to_token_tree;
[INFO] [stdout]    |         ^^^ use of undeclared crate or module `mbe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `syntax`
[INFO] [stdout]   --> src/cfg_expr.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |     use syntax::ast::{self, AstNode};
[INFO] [stdout]    |         ^^^^^^ use of undeclared crate or module `syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `syntax`
[INFO] [stdout]   --> src/cfg_expr.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |     use syntax::ast::{self, AstNode};
[INFO] [stdout]    |         ^^^^^^ use of undeclared crate or module `syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ra_ap_cfg`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7506c23a0733cf00a94b919c92ef0567b098db8be063b13891a192bcecf5ad7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7506c23a0733cf00a94b919c92ef0567b098db8be063b13891a192bcecf5ad7f", kill_on_drop: false }`
[INFO] [stdout] 7506c23a0733cf00a94b919c92ef0567b098db8be063b13891a192bcecf5ad7f