[INFO] fetching crate potatonet-client 0.4.3...
[INFO] testing potatonet-client-0.4.3 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate potatonet-client 0.4.3 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate potatonet-client 0.4.3
[INFO] finished tweaking crates.io crate potatonet-client 0.4.3
[INFO] tweaked toml for crates.io crate potatonet-client 0.4.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate potatonet-client 0.4.3 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 81 packages to latest compatible versions
[INFO] [stderr]       Adding bytes v0.5.6 (available: v1.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rmp-serde v0.14.4
[INFO] [stderr]   Downloaded potatonet-common v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b90e94dbccde418d50049aeeff6e5103199ae15322ccff4f6f8b160510a8ce13
[INFO] running `Command { std: "docker" "start" "-a" "b90e94dbccde418d50049aeeff6e5103199ae15322ccff4f6f8b160510a8ce13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b90e94dbccde418d50049aeeff6e5103199ae15322ccff4f6f8b160510a8ce13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b90e94dbccde418d50049aeeff6e5103199ae15322ccff4f6f8b160510a8ce13", kill_on_drop: false }`
[INFO] [stdout] b90e94dbccde418d50049aeeff6e5103199ae15322ccff4f6f8b160510a8ce13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8139d029d5e4152fbdcdd93e096fc8f5571a43c5b9d3cb9cbd6b79857d5bd937
[INFO] running `Command { std: "docker" "start" "-a" "8139d029d5e4152fbdcdd93e096fc8f5571a43c5b9d3cb9cbd6b79857d5bd937", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling rmp v0.8.14
[INFO] [stderr]    Compiling async-signal v0.2.13
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling async-lock v3.4.1
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling rmp-serde v0.14.4
[INFO] [stderr]    Compiling async-process v2.5.0
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling async-std v1.13.2
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling potatonet-common v0.4.3
[INFO] [stderr]    Compiling potatonet-client v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `serde::export`
[INFO] [stdout]   --> src/lib.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | use serde::export::PhantomData;
[INFO] [stdout]    |            ^^^^^^ could not find `export` in `serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `potatonet-client` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8139d029d5e4152fbdcdd93e096fc8f5571a43c5b9d3cb9cbd6b79857d5bd937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8139d029d5e4152fbdcdd93e096fc8f5571a43c5b9d3cb9cbd6b79857d5bd937", kill_on_drop: false }`
[INFO] [stdout] 8139d029d5e4152fbdcdd93e096fc8f5571a43c5b9d3cb9cbd6b79857d5bd937