[INFO] fetching crate ra_ap_cfg 0.0.62...
[INFO] checking ra_ap_cfg-0.0.62 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate ra_ap_cfg 0.0.62 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ra_ap_cfg 0.0.62 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ra_ap_cfg 0.0.62
[INFO] finished tweaking crates.io crate ra_ap_cfg 0.0.62
[INFO] tweaked toml for crates.io crate ra_ap_cfg 0.0.62 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f31f73851cbd3f348d2c83bd3928ffd443ff55efaa3cfb6ec42ac6f084314e35
[INFO] running `Command { std: "docker" "start" "-a" "f31f73851cbd3f348d2c83bd3928ffd443ff55efaa3cfb6ec42ac6f084314e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f31f73851cbd3f348d2c83bd3928ffd443ff55efaa3cfb6ec42ac6f084314e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f31f73851cbd3f348d2c83bd3928ffd443ff55efaa3cfb6ec42ac6f084314e35", kill_on_drop: false }`
[INFO] [stdout] f31f73851cbd3f348d2c83bd3928ffd443ff55efaa3cfb6ec42ac6f084314e35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 052bcb835d7ea26f6d3d6cd3c6d197fed76ba979989d9208136449559cecb33f
[INFO] running `Command { std: "docker" "start" "-a" "052bcb835d7ea26f6d3d6cd3c6d197fed76ba979989d9208136449559cecb33f", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking dissimilar v1.0.2
[INFO] [stderr]     Checking smol_str v0.1.18
[INFO] [stderr]     Checking expect-test v1.1.0
[INFO] [stderr]     Checking always-assert v0.1.2
[INFO] [stderr]     Checking ra_ap_stdx v0.0.62
[INFO] [stderr]     Checking ra_ap_tt v0.0.62
[INFO] [stderr]     Checking ra_ap_cfg v0.0.62 (/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" "052bcb835d7ea26f6d3d6cd3c6d197fed76ba979989d9208136449559cecb33f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "052bcb835d7ea26f6d3d6cd3c6d197fed76ba979989d9208136449559cecb33f", kill_on_drop: false }`
[INFO] [stdout] 052bcb835d7ea26f6d3d6cd3c6d197fed76ba979989d9208136449559cecb33f