[INFO] fetching crate rustfmt_lib 2.0.0-rc.2...
[INFO] checking rustfmt_lib-2.0.0-rc.2 against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] extracting crate rustfmt_lib 2.0.0-rc.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rustfmt_lib 2.0.0-rc.2 on toolchain 8b72f65b805cbe4c261de45030d663f524f27376
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustfmt_lib 2.0.0-rc.2
[INFO] finished tweaking crates.io crate rustfmt_lib 2.0.0-rc.2
[INFO] tweaked toml for crates.io crate rustfmt_lib 2.0.0-rc.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustfmt-config_proc_macro v0.5.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_macros v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_lexer v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-arena v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_attr v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-graphviz v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_feature v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast_passes v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast_pretty v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_fs_util v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_errors v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-serialize v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_session v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_parse v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_span v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_data_structures v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_expand v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_target v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_index v659.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af6dbed5f3fc3f211e758bf113da483b1991af417e486cffab69311333f61669
[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" "af6dbed5f3fc3f211e758bf113da483b1991af417e486cffab69311333f61669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af6dbed5f3fc3f211e758bf113da483b1991af417e486cffab69311333f61669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af6dbed5f3fc3f211e758bf113da483b1991af417e486cffab69311333f61669", kill_on_drop: false }`
[INFO] [stdout] af6dbed5f3fc3f211e758bf113da483b1991af417e486cffab69311333f61669
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9c9e54d8b1ef622238a75e694e052645ecd4cfc811ae8ba17abf2a3181e2718
[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" "e9c9e54d8b1ef622238a75e694e052645ecd4cfc811ae8ba17abf2a3181e2718", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking rustc-ap-graphviz v659.0.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_ast v659.0.0
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling rustc-ap-rustc_target v659.0.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking annotate-snippets v0.6.1
[INFO] [stderr]     Checking rustc-ap-rustc_fs_util v659.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_attr v659.0.0
[INFO] [stderr]     Checking yansi-term v0.1.2
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v659.0.0
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking ena v0.14.0
[INFO] [stderr]     Checking annotate-snippets v0.8.0
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking rustc-ap-serialize v659.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling rustfmt-config_proc_macro v0.5.1
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v659.0.0
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[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 atty v0.2.14
[INFO] [stderr]     Checking termize v0.1.1
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]    Compiling psm v0.1.12
[INFO] [stderr]    Compiling stacker v0.1.12
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking rustc-ap-rustc_index v659.0.0
[INFO] [stderr]     Checking measureme v0.7.1
[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 rustc-rayon v0.3.0
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking rustc-ap-rustc_data_structures v659.0.0
[INFO] [stderr]     Checking rustc-ap-arena v659.0.0
[INFO] [stdout] error[E0599]: no method named `reserve_in_place` found for struct `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 `RawVec<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `reserve_in_place` found for struct `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 `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] running `Command { std: "docker" "inspect" "e9c9e54d8b1ef622238a75e694e052645ecd4cfc811ae8ba17abf2a3181e2718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9c9e54d8b1ef622238a75e694e052645ecd4cfc811ae8ba17abf2a3181e2718", kill_on_drop: false }`
[INFO] [stdout] e9c9e54d8b1ef622238a75e694e052645ecd4cfc811ae8ba17abf2a3181e2718