[INFO] fetching crate c3p0_pg_async 0.44.0...
[INFO] testing c3p0_pg_async-0.44.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate c3p0_pg_async 0.44.0 into /workspace/builds/worker-89/source
[INFO] validating manifest of crates.io crate c3p0_pg_async 0.44.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-89/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-2022-02-22" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bb8 v0.4.2
[INFO] [stderr]   Downloaded include_dir_impl v0.5.0
[INFO] [stderr]   Downloaded include_dir v0.5.0
[INFO] [stderr]   Downloaded bb8-postgres v0.4.0
[INFO] [stderr]   Downloaded c3p0_common_async v0.44.0
[INFO] [stderr]   Downloaded c3p0_common v0.44.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a07bec60d0c1799bf988d417f188a6e236e0b97e89e777875ac7cb2e36de212
[INFO] running `Command { std: "docker" "start" "-a" "0a07bec60d0c1799bf988d417f188a6e236e0b97e89e777875ac7cb2e36de212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a07bec60d0c1799bf988d417f188a6e236e0b97e89e777875ac7cb2e36de212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a07bec60d0c1799bf988d417f188a6e236e0b97e89e777875ac7cb2e36de212", kill_on_drop: false }`
[INFO] [stdout] 0a07bec60d0c1799bf988d417f188a6e236e0b97e89e777875ac7cb2e36de212
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b83452a54c5ebeff28b4cdea30548fd605d4269f4408c54481d5bd8f8ced38f
[INFO] running `Command { std: "docker" "start" "-a" "9b83452a54c5ebeff28b4cdea30548fd605d4269f4408c54481d5bd8f8ced38f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling siphasher v0.3.9
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.9.1
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling hmac v0.9.0
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling postgres-protocol v0.5.3
[INFO] [stderr]    Compiling postgres-types v0.1.3
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling c3p0_common v0.44.0
[INFO] [stderr]    Compiling bb8 v0.4.2
[INFO] [stderr]    Compiling tokio-postgres v0.5.5
[INFO] [stderr]    Compiling c3p0_common_async v0.44.0
[INFO] [stderr]    Compiling bb8-postgres v0.4.0
[INFO] [stderr]    Compiling c3p0_pg_async v0.44.0 (/opt/rustwide/workdir)
[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-1.0.136/src/lib.rs:276:5
[INFO] [stdout]     |
[INFO] [stdout] 276 | use self::__private as export;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0603`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `c3p0_pg_async` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9b83452a54c5ebeff28b4cdea30548fd605d4269f4408c54481d5bd8f8ced38f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b83452a54c5ebeff28b4cdea30548fd605d4269f4408c54481d5bd8f8ced38f", kill_on_drop: false }`
[INFO] [stdout] 9b83452a54c5ebeff28b4cdea30548fd605d4269f4408c54481d5bd8f8ced38f