[INFO] fetching crate c3p0_pg_async 0.44.0...
[INFO] documenting c3p0_pg_async-0.44.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate c3p0_pg_async 0.44.0 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate c3p0_pg_async 0.44.0 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 c3p0_pg_async 0.44.0
[INFO] finished tweaking crates.io crate c3p0_pg_async 0.44.0
[INFO] tweaked toml for crates.io crate c3p0_pg_async 0.44.0 written to /workspace/builds/worker-31/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--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-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 9429ab8db9153300f9d77bbc39d7eb3dac5bc0047186e4001e3484a2d6a069c6
[INFO] running `Command { std: "docker" "start" "-a" "9429ab8db9153300f9d77bbc39d7eb3dac5bc0047186e4001e3484a2d6a069c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9429ab8db9153300f9d77bbc39d7eb3dac5bc0047186e4001e3484a2d6a069c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9429ab8db9153300f9d77bbc39d7eb3dac5bc0047186e4001e3484a2d6a069c6", kill_on_drop: false }`
[INFO] [stdout] 9429ab8db9153300f9d77bbc39d7eb3dac5bc0047186e4001e3484a2d6a069c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] [stdout] 77357129f6eb089f62db984e7fdf942b95869a0cf6b498b88f87eb738673dacf
[INFO] running `Command { std: "docker" "start" "-a" "77357129f6eb089f62db984e7fdf942b95869a0cf6b498b88f87eb738673dacf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[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]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking phf_shared v0.8.0
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[INFO] [stderr]     Checking phf v0.8.0
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[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.9.1
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[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking hmac v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking postgres-protocol v0.5.3
[INFO] [stderr]     Checking postgres-types v0.1.3
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking c3p0_common v0.44.0
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking c3p0_common_async v0.44.0
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking bb8 v0.4.2
[INFO] [stderr]     Checking tokio-postgres v0.5.5
[INFO] [stderr]     Checking bb8-postgres v0.4.0
[INFO] [stderr]  Documenting c3p0_pg_async v0.44.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `c3p0_pg_async`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name c3p0_pg_async src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0a63587cf657f1be -L dependency=/opt/rustwide/target/debug/deps --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-55bf42e5c208f088.so --extern bb8=/opt/rustwide/target/debug/deps/libbb8-4611fe345b365ca7.rmeta --extern bb8_postgres=/opt/rustwide/target/debug/deps/libbb8_postgres-79bf6a83be496a70.rmeta --extern c3p0_common=/opt/rustwide/target/debug/deps/libc3p0_common-ad1cb5a056669d54.rmeta --extern c3p0_common_async=/opt/rustwide/target/debug/deps/libc3p0_common_async-19e39e17f6d2608c.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-ea7ceb16da29ee56.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-0b61054b794719d9.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-dbdb529db862b224.rmeta --extern tokio_postgres=/opt/rustwide/target/debug/deps/libtokio_postgres-e590d2504a91fe57.rmeta --cap-lints=warn --crate-version 0.44.0` (exit status: 1)
[INFO] [stdout] error[E0603]: module `export` is private
[INFO] [stdout]    --> src/json.rs:17:12
[INFO] [stdout]     |
[INFO] [stdout] 17  | use serde::export::fmt::Display;
[INFO] [stdout]     |            ^^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `export` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.137/src/lib.rs:274:5
[INFO] [stdout]     |
[INFO] [stdout] 274 | use self::__private as export;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[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 E0603`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "77357129f6eb089f62db984e7fdf942b95869a0cf6b498b88f87eb738673dacf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77357129f6eb089f62db984e7fdf942b95869a0cf6b498b88f87eb738673dacf", kill_on_drop: false }`
[INFO] [stdout] 77357129f6eb089f62db984e7fdf942b95869a0cf6b498b88f87eb738673dacf