[INFO] cloning repository https://github.com/mashedcode/proc-macro2-whitespace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mashedcode/proc-macro2-whitespace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmashedcode%2Fproc-macro2-whitespace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmashedcode%2Fproc-macro2-whitespace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f934294f40fe4e749077e2e14d8731b1f05f60e
[INFO] checking mashedcode/proc-macro2-whitespace against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmashedcode%2Fproc-macro2-whitespace" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mashedcode/proc-macro2-whitespace on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mashedcode/proc-macro2-whitespace
[INFO] finished tweaking git repo https://github.com/mashedcode/proc-macro2-whitespace
[INFO] tweaked toml for git repo https://github.com/mashedcode/proc-macro2-whitespace written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/mashedcode/proc-macro2-whitespace already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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-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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c2e851341ed2fb659534ea64e0b5176fd3b3f2fcc58fbcd7efe26fe86e6a73c
[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" "0c2e851341ed2fb659534ea64e0b5176fd3b3f2fcc58fbcd7efe26fe86e6a73c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c2e851341ed2fb659534ea64e0b5176fd3b3f2fcc58fbcd7efe26fe86e6a73c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c2e851341ed2fb659534ea64e0b5176fd3b3f2fcc58fbcd7efe26fe86e6a73c", kill_on_drop: false }`
[INFO] [stdout] 0c2e851341ed2fb659534ea64e0b5176fd3b3f2fcc58fbcd7efe26fe86e6a73c
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 666c5687ab2fed2ab6ba3f8ffc5dc0e7feb184e5a096882424e1d50553895ad1
[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" "666c5687ab2fed2ab6ba3f8ffc5dc0e7feb184e5a096882424e1d50553895ad1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking rustc-ap-rustc_graphviz v671.0.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking yansi-term v0.1.2
[INFO] [stderr]     Checking rustc-ap-rustc_fs_util v671.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]     Checking version_check v0.9.2
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling rustfmt-nightly v2.0.0-rc.2 (https://github.com/rust-lang/rustfmt#218593f2)
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking dunce v1.0.1
[INFO] [stderr]     Checking rustc-workspace-hack v1.0.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v671.0.0
[INFO] [stderr]     Checking annotate-snippets v0.8.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]     Checking unicode-normalization v0.1.13
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[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking ena v0.14.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking aho-corasick v0.7.13
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[INFO] [stderr]     Checking sha-1 v0.8.2
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[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[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 v0.1.11
[INFO] [stderr]    Compiling stacker v0.1.11
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking measureme v0.7.1
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking rustc-ap-rustc_serialize v671.0.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking rustc-rayon v0.3.0
[INFO] [stderr]     Checking rustc-ap-rustc_index v671.0.0
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]     Checking rustc-ap-rustc_data_structures v671.0.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_data_structures-671.0.0/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-671.0.0/sync.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         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-671.0.0/sync.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "666c5687ab2fed2ab6ba3f8ffc5dc0e7feb184e5a096882424e1d50553895ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "666c5687ab2fed2ab6ba3f8ffc5dc0e7feb184e5a096882424e1d50553895ad1", kill_on_drop: false }`
[INFO] [stdout] 666c5687ab2fed2ab6ba3f8ffc5dc0e7feb184e5a096882424e1d50553895ad1