[INFO] crate rustc-ap-syntax 638.0.0 is already in cache
[INFO] checking rustc-ap-syntax-638.0.0 against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] extracting crate rustc-ap-syntax 638.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rustc-ap-syntax 638.0.0 on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rustc-ap-syntax 638.0.0
[INFO] finished tweaking crates.io crate rustc-ap-syntax 638.0.0
[INFO] tweaked toml for crates.io crate rustc-ap-syntax 638.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bdb4199c3a473b74cd4fb2263a379bec05832d802feb777a198f2324df446bea
[INFO] running `"docker" "start" "-a" "bdb4199c3a473b74cd4fb2263a379bec05832d802feb777a198f2324df446bea"`
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.0
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]     Checking rustc-ap-graphviz v638.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_target v638.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_error_codes v638.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_fs_util v638.0.0
[INFO] [stderr]    Compiling rustc-ap-syntax v638.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v638.0.0
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking jobserver v0.1.19
[INFO] [stderr]     Checking rustc-ap-serialize v638.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v638.0.0
[INFO] [stderr]     Checking crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking measureme v0.7.1
[INFO] [stderr]     Checking rustc-ap-rustc_index v638.0.0
[INFO] [stderr]     Checking rustc-rayon v0.3.0
[INFO] [stderr]     Checking rustc-ap-rustc_data_structures v638.0.0
[INFO] [stderr]     Checking rustc-ap-arena v638.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_span v638.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_feature v638.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_errors v638.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_session v638.0.0
[INFO] [stderr] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> lib.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | #![feature(slice_patterns)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> lib.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | #![feature(slice_patterns)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.31s
[INFO] running `"docker" "inspect" "bdb4199c3a473b74cd4fb2263a379bec05832d802feb777a198f2324df446bea"`
[INFO] running `"docker" "rm" "-f" "bdb4199c3a473b74cd4fb2263a379bec05832d802feb777a198f2324df446bea"`
[INFO] [stdout] bdb4199c3a473b74cd4fb2263a379bec05832d802feb777a198f2324df446bea