[INFO] fetching crate border-async-trainer 0.0.5...
[INFO] documenting border-async-trainer-0.0.5 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate border-async-trainer 0.0.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate border-async-trainer 0.0.5 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate border-async-trainer 0.0.5
[INFO] finished tweaking crates.io crate border-async-trainer 0.0.5
[INFO] tweaked toml for crates.io crate border-async-trainer 0.0.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb261785266c6af45be55c679f122450a3a53e6ca5fdae88aeaf6be05cb60973
[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" "cb261785266c6af45be55c679f122450a3a53e6ca5fdae88aeaf6be05cb60973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb261785266c6af45be55c679f122450a3a53e6ca5fdae88aeaf6be05cb60973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb261785266c6af45be55c679f122450a3a53e6ca5fdae88aeaf6be05cb60973", kill_on_drop: false }`
[INFO] [stdout] cb261785266c6af45be55c679f122450a3a53e6ca5fdae88aeaf6be05cb60973
[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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2c6b36f3938d7b5fdbaca82a123d43cfb64d36b4c5ed2defcf0b36d506eba19c
[INFO] running `Command { std: "docker" "start" "-a" "2c6b36f3938d7b5fdbaca82a123d43cfb64d36b4c5ed2defcf0b36d506eba19c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking weezl v0.1.6
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling protobuf v2.27.1
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking segment-tree v2.0.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]     Checking crossbeam-utils v0.8.8
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rayon-core v1.9.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling aquamarine v0.1.11
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking tensorboard-rs v0.2.4
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking serde_yaml v0.8.24
[INFO] [stderr]     Checking border-core v0.0.5
[INFO] [stderr]  Documenting border-async-trainer v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 44s
[INFO] running `Command { std: "docker" "inspect" "2c6b36f3938d7b5fdbaca82a123d43cfb64d36b4c5ed2defcf0b36d506eba19c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c6b36f3938d7b5fdbaca82a123d43cfb64d36b4c5ed2defcf0b36d506eba19c", kill_on_drop: false }`
[INFO] [stdout] 2c6b36f3938d7b5fdbaca82a123d43cfb64d36b4c5ed2defcf0b36d506eba19c
[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=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e5d04207abb0c261c7efcfb251f5368109158c54de8de1ac262c381a0df89c78
[INFO] running `Command { std: "docker" "start" "-a" "e5d04207abb0c261c7efcfb251f5368109158c54de8de1ac262c381a0df89c78", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking weezl v0.1.6
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling protobuf v2.27.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking segment-tree v2.0.0
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stdout] error[E0277]: the trait bound `proc_macro2::Span: From<proc_macro::Span>` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro-error-1.0.4/src/lib.rs:549:37
[INFO] [stdout]     |
[INFO] [stdout] 549 |                 first: self.clone().into(),
[INFO] [stdout]     |                                     ^^^^ the trait `From<proc_macro::Span>` is not implemented for `proc_macro2::Span`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `Into<proc_macro2::Span>` for `proc_macro::Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `proc_macro2::Span: From<proc_macro::Span>` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro-error-1.0.4/src/lib.rs:550:36
[INFO] [stdout]     |
[INFO] [stdout] 550 |                 last: self.clone().into(),
[INFO] [stdout]     |                                    ^^^^ the trait `From<proc_macro::Span>` is not implemented for `proc_macro2::Span`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `Into<proc_macro2::Span>` for `proc_macro::Span`
[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 E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro-error` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e5d04207abb0c261c7efcfb251f5368109158c54de8de1ac262c381a0df89c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5d04207abb0c261c7efcfb251f5368109158c54de8de1ac262c381a0df89c78", kill_on_drop: false }`
[INFO] [stdout] e5d04207abb0c261c7efcfb251f5368109158c54de8de1ac262c381a0df89c78