[INFO] fetching crate rustfmt_lib 2.0.0-rc.2...
[INFO] checking rustfmt_lib-2.0.0-rc.2 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate rustfmt_lib 2.0.0-rc.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rustfmt_lib 2.0.0-rc.2 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded annotate-snippets v0.6.1
[INFO] [stderr]   Downloaded dunce v1.0.1
[INFO] [stderr]   Downloaded rustc-rayon v0.3.0
[INFO] [stderr]   Downloaded bytecount v0.6.2
[INFO] [stderr]   Downloaded psm v0.1.12
[INFO] [stderr]   Downloaded packed_simd_2 v0.3.4
[INFO] [stderr]   Downloaded termize v0.1.1
[INFO] [stderr]   Downloaded yansi-term v0.1.2
[INFO] [stderr]   Downloaded rustc-ap-rustc_attr v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_errors v659.0.0
[INFO] [stderr]   Downloaded ena v0.14.0
[INFO] [stderr]   Downloaded rustc-ap-arena v659.0.0
[INFO] [stderr]   Downloaded rustfmt-config_proc_macro v0.5.1
[INFO] [stderr]   Downloaded rustc-rayon-core v0.3.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_lexer v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_fs_util v659.0.0
[INFO] [stderr]   Downloaded annotate-snippets v0.8.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_target v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_span v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_session v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast_pretty v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-graphviz v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast_passes v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_feature v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_expand v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_parse v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_macros v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_data_structures v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-serialize v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_index v659.0.0
[INFO] [stderr]   Downloaded measureme v0.7.1
[INFO] [stderr]   Downloaded stacker v0.1.12
[INFO] [stderr]   Downloaded unicode_categories v0.1.1
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e068265403870723ef392f6102a99209acba98aeb3bcbd8dab59cc970a222c85
[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" "e068265403870723ef392f6102a99209acba98aeb3bcbd8dab59cc970a222c85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e068265403870723ef392f6102a99209acba98aeb3bcbd8dab59cc970a222c85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e068265403870723ef392f6102a99209acba98aeb3bcbd8dab59cc970a222c85", kill_on_drop: false }`
[INFO] [stdout] e068265403870723ef392f6102a99209acba98aeb3bcbd8dab59cc970a222c85
[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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8faa5b17a6f13addb610c268078591b2aa11c8f5dfaf3ba081c18f2d1eeec9e
[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" "f8faa5b17a6f13addb610c268078591b2aa11c8f5dfaf3ba081c18f2d1eeec9e", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking rustc-ap-graphviz v659.0.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_ast v659.0.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling rustc-ap-rustc_target v659.0.0
[INFO] [stderr]     Checking annotate-snippets v0.6.1
[INFO] [stderr]     Checking rustc-ap-rustc_fs_util v659.0.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling rustc-ap-rustc_attr v659.0.0
[INFO] [stderr]     Checking version_check v0.9.2
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking dunce v1.0.1
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[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]    Compiling psm v0.1.12
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling stacker v0.1.12
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v659.0.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking typenum v1.12.0
[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 serde_json v1.0.60
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking ena v0.14.0
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[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]     Checking ignore v0.4.17
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking rustc-ap-rustc_index v659.0.0
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking measureme v0.7.1
[INFO] [stderr]     Checking rustc-rayon v0.3.0
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking rustc-ap-rustc_data_structures v659.0.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_data_structures-659.0.0/lib.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(optin_builtin_traits)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: renamed to `auto_traits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: auto traits are experimental and possibly buggy
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_data_structures-659.0.0/sync.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         pub auto trait Send {}
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #13231 <https://github.com/rust-lang/rust/issues/13231> for more information
[INFO] [stdout]    = help: add `#![feature(auto_traits)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: auto traits are experimental and possibly buggy
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_data_structures-659.0.0/sync.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         pub auto trait Sync {}
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #13231 <https://github.com/rust-lang/rust/issues/13231> for more information
[INFO] [stdout]    = help: add `#![feature(auto_traits)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0557, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-ap-rustc_data_structures`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f8faa5b17a6f13addb610c268078591b2aa11c8f5dfaf3ba081c18f2d1eeec9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8faa5b17a6f13addb610c268078591b2aa11c8f5dfaf3ba081c18f2d1eeec9e", kill_on_drop: false }`
[INFO] [stdout] f8faa5b17a6f13addb610c268078591b2aa11c8f5dfaf3ba081c18f2d1eeec9e