[INFO] fetching crate ra_ap_cfg 0.0.74...
[INFO] checking ra_ap_cfg-0.0.74 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate ra_ap_cfg 0.0.74 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ra_ap_cfg 0.0.74 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ra_ap_cfg 0.0.74
[INFO] finished tweaking crates.io crate ra_ap_cfg 0.0.74
[INFO] tweaked toml for crates.io crate ra_ap_cfg 0.0.74 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce6cc850a543d9b11f5c1ec60c42d068dc0307f74710c78402ce4f9d09fb8bfa
[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" "ce6cc850a543d9b11f5c1ec60c42d068dc0307f74710c78402ce4f9d09fb8bfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce6cc850a543d9b11f5c1ec60c42d068dc0307f74710c78402ce4f9d09fb8bfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce6cc850a543d9b11f5c1ec60c42d068dc0307f74710c78402ce4f9d09fb8bfa", kill_on_drop: false }`
[INFO] [stdout] ce6cc850a543d9b11f5c1ec60c42d068dc0307f74710c78402ce4f9d09fb8bfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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] b3c32be8724a1a14a528822be849e459acf913cd9d9e11cb4e9f1c94d52fab23
[INFO] running `Command { std: "docker" "start" "-a" "b3c32be8724a1a14a528822be849e459acf913cd9d9e11cb4e9f1c94d52fab23", kill_on_drop: false }`
[INFO] [stderr]     Checking arbitrary v1.0.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking ra_ap_cfg v0.0.74 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling derive_arbitrary v1.0.2
[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" "b3c32be8724a1a14a528822be849e459acf913cd9d9e11cb4e9f1c94d52fab23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3c32be8724a1a14a528822be849e459acf913cd9d9e11cb4e9f1c94d52fab23", kill_on_drop: false }`
[INFO] [stdout] b3c32be8724a1a14a528822be849e459acf913cd9d9e11cb4e9f1c94d52fab23