[INFO] fetching crate ra_ap_cfg 0.0.72...
[INFO] testing ra_ap_cfg-0.0.72 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate ra_ap_cfg 0.0.72 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ra_ap_cfg 0.0.72 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ra_ap_cfg 0.0.72
[INFO] finished tweaking crates.io crate ra_ap_cfg 0.0.72
[INFO] tweaked toml for crates.io crate ra_ap_cfg 0.0.72 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71b9ad44b781e89332afa76c04c706286d4a42fa1b089de0155a05f3460ba1e7
[INFO] running `Command { std: "docker" "start" "-a" "71b9ad44b781e89332afa76c04c706286d4a42fa1b089de0155a05f3460ba1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71b9ad44b781e89332afa76c04c706286d4a42fa1b089de0155a05f3460ba1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71b9ad44b781e89332afa76c04c706286d4a42fa1b089de0155a05f3460ba1e7", kill_on_drop: false }`
[INFO] [stdout] 71b9ad44b781e89332afa76c04c706286d4a42fa1b089de0155a05f3460ba1e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8e9760a3cc28006569e757a4a2b208378a97a7765d44f9cd77b53a44eaf6e7e
[INFO] running `Command { std: "docker" "start" "-a" "e8e9760a3cc28006569e757a4a2b208378a97a7765d44f9cd77b53a44eaf6e7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ra_ap_cfg v0.0.72 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "e8e9760a3cc28006569e757a4a2b208378a97a7765d44f9cd77b53a44eaf6e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8e9760a3cc28006569e757a4a2b208378a97a7765d44f9cd77b53a44eaf6e7e", kill_on_drop: false }`
[INFO] [stdout] e8e9760a3cc28006569e757a4a2b208378a97a7765d44f9cd77b53a44eaf6e7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 574bf757df71114b6398a6004d06bfdf2f66f5959316fbd399e9dceae1c0c908
[INFO] running `Command { std: "docker" "start" "-a" "574bf757df71114b6398a6004d06bfdf2f66f5959316fbd399e9dceae1c0c908", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling arbitrary v1.0.2
[INFO] [stderr]    Compiling derive_arbitrary v1.0.2
[INFO] [stderr]    Compiling ra_ap_cfg v0.0.72 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `mbe`
[INFO] [stdout]  --> src/tests.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mbe::syntax_node_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:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | 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` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "574bf757df71114b6398a6004d06bfdf2f66f5959316fbd399e9dceae1c0c908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "574bf757df71114b6398a6004d06bfdf2f66f5959316fbd399e9dceae1c0c908", kill_on_drop: false }`
[INFO] [stdout] 574bf757df71114b6398a6004d06bfdf2f66f5959316fbd399e9dceae1c0c908