[INFO] crate racer 2.1.35 is already in cache
[INFO] checking racer-2.1.35 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate racer 2.1.35 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate racer 2.1.35 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate racer 2.1.35
[INFO] finished tweaking crates.io crate racer 2.1.35
[INFO] tweaked toml for crates.io crate racer 2.1.35 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate racer 2.1.35 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1215ac37e90c39ad8bf1d634166698e365301a86cf5631e44d0bf0a292a165bc
[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" "1215ac37e90c39ad8bf1d634166698e365301a86cf5631e44d0bf0a292a165bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1215ac37e90c39ad8bf1d634166698e365301a86cf5631e44d0bf0a292a165bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1215ac37e90c39ad8bf1d634166698e365301a86cf5631e44d0bf0a292a165bc", kill_on_drop: false }`
[INFO] [stdout] 1215ac37e90c39ad8bf1d634166698e365301a86cf5631e44d0bf0a292a165bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c81397412a4000de81978174c14a5bdb8d925138b54331802fd96576d519cac9
[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" "c81397412a4000de81978174c14a5bdb8d925138b54331802fd96576d519cac9", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]    Compiling cc v1.0.53
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]     Checking rustc-ap-rustc_graphviz v664.0.0
[INFO] [stderr]     Checking rustc-ap-graphviz v659.0.0
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling rustc-ap-rustc_ast v664.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_target v664.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_ast v659.0.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling rustc-ap-rustc_target v659.0.0
[INFO] [stderr]     Checking annotate-snippets v0.8.0
[INFO] [stderr]     Checking annotate-snippets v0.6.1
[INFO] [stderr]     Checking rustc-ap-rustc_fs_util v664.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_fs_util v659.0.0
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v664.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v659.0.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking jobserver v0.1.21
[INFO] [stderr]     Checking termize v0.1.1
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking ena v0.14.0
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking measureme v0.7.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling psm v0.1.8
[INFO] [stderr]    Compiling stacker v0.1.9
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking rustc-ap-rustc_serialize v664.0.0
[INFO] [stderr]     Checking rustc-ap-serialize v659.0.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking rustc-rayon v0.3.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rustc-ap-rustc_index v664.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_index v659.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_data_structures v659.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_data_structures v664.0.0
[INFO] [stderr]     Checking rustc-ap-arena v659.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_arena v664.0.0
[INFO] [stdout] error[E0599]: no method named `reserve_in_place` found for struct `alloc::raw_vec::RawVec<T>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-arena-659.0.0/lib.rs:228:39
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 if last_chunk.storage.reserve_in_place(currently_used_cap, n) {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^ method not found in `alloc::raw_vec::RawVec<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `reserve_in_place` found for struct `alloc::raw_vec::RawVec<u8>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-arena-659.0.0/lib.rs:356:39
[INFO] [stdout]     |
[INFO] [stdout] 356 |                 if last_chunk.storage.reserve_in_place(used_bytes, needed_bytes) {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^ method not found in `alloc::raw_vec::RawVec<u8>`
[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 E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-ap-arena`.
[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" "c81397412a4000de81978174c14a5bdb8d925138b54331802fd96576d519cac9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c81397412a4000de81978174c14a5bdb8d925138b54331802fd96576d519cac9", kill_on_drop: false }`
[INFO] [stdout] c81397412a4000de81978174c14a5bdb8d925138b54331802fd96576d519cac9