[INFO] fetching crate ra_ap_cfg 0.0.42...
[INFO] checking ra_ap_cfg-0.0.42 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate ra_ap_cfg 0.0.42 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate ra_ap_cfg 0.0.42 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ra_ap_cfg 0.0.42
[INFO] finished tweaking crates.io crate ra_ap_cfg 0.0.42
[INFO] tweaked toml for crates.io crate ra_ap_cfg 0.0.42 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f352b2bb6b49e6ece2fddb44ef8d6a1672b255c5933b8a38cd958aa9b641e10
[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" "6f352b2bb6b49e6ece2fddb44ef8d6a1672b255c5933b8a38cd958aa9b641e10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f352b2bb6b49e6ece2fddb44ef8d6a1672b255c5933b8a38cd958aa9b641e10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f352b2bb6b49e6ece2fddb44ef8d6a1672b255c5933b8a38cd958aa9b641e10", kill_on_drop: false }`
[INFO] [stdout] 6f352b2bb6b49e6ece2fddb44ef8d6a1672b255c5933b8a38cd958aa9b641e10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d61c0691601000cfd6cdcf2e13a70a42eff4392095f050a131a85bd6e46fbcd2
[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" "d61c0691601000cfd6cdcf2e13a70a42eff4392095f050a131a85bd6e46fbcd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking dissimilar v1.0.2
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking always-assert v0.1.2
[INFO] [stderr]     Checking expect-test v1.1.0
[INFO] [stderr]     Checking ra_ap_stdx v0.0.42
[INFO] [stderr]     Checking smol_str v0.1.17
[INFO] [stderr]     Checking ra_ap_tt v0.0.42
[INFO] [stderr]     Checking ra_ap_cfg v0.0.42 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `mbe`
[INFO] [stdout]  --> src/tests.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use mbe::ast_to_token_tree;
[INFO] [stdout]   |     ^^^ use of undeclared crate or module `mbe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `syntax`
[INFO] [stdout]  --> src/tests.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use syntax::{ast, AstNode};
[INFO] [stdout]   |     ^^^^^^ use of undeclared crate or module `syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this 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" "d61c0691601000cfd6cdcf2e13a70a42eff4392095f050a131a85bd6e46fbcd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d61c0691601000cfd6cdcf2e13a70a42eff4392095f050a131a85bd6e46fbcd2", kill_on_drop: false }`
[INFO] [stdout] d61c0691601000cfd6cdcf2e13a70a42eff4392095f050a131a85bd6e46fbcd2