[INFO] fetching crate net-sync 0.0.1...
[INFO] testing net-sync-0.0.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate net-sync 0.0.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate net-sync 0.0.1
[INFO] finished tweaking crates.io crate net-sync 0.0.1
[INFO] tweaked toml for crates.io crate net-sync 0.0.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate net-sync 0.0.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 81 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-diff-derive v0.2.0
[INFO] [stderr]   Downloaded track-macro v0.1.0
[INFO] [stderr]   Downloaded serde-diff v0.2.0
[INFO] [stderr]   Downloaded byteorder v0.5.3
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.4
[INFO] [stderr]   Downloaded lz4-compress v0.1.1
[INFO] [stderr]   Downloaded track v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b1f822c83a9aa6919e6804a6608d68d1930f4e363e711d9137b0b3da80e0645
[INFO] running `Command { std: "docker" "start" "-a" "7b1f822c83a9aa6919e6804a6608d68d1930f4e363e711d9137b0b3da80e0645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b1f822c83a9aa6919e6804a6608d68d1930f4e363e711d9137b0b3da80e0645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b1f822c83a9aa6919e6804a6608d68d1930f4e363e711d9137b0b3da80e0645", kill_on_drop: false }`
[INFO] [stdout] 7b1f822c83a9aa6919e6804a6608d68d1930f4e363e711d9137b0b3da80e0645
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72829f065f281c72a3ad7d9332710c4a59012e213158b949afae573aa0d0db3b
[INFO] running `Command { std: "docker" "start" "-a" "72829f065f281c72a3ad7d9332710c4a59012e213158b949afae573aa0d0db3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling lz4-compress v0.1.1
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling serde-diff-derive v0.2.0
[INFO] [stderr]    Compiling track-macro v0.1.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde-diff v0.2.0
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stdout] error[E0433]: failed to resolve: could not find `export` in `serde`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-diff-0.2.0/src/lib.rs:705:37
[INFO] [stdout]     |
[INFO] [stdout] 705 |                 let value = &serde::export::from_utf8_lossy(value);
[INFO] [stdout]     |                                     ^^^^^^ could not find `export` in `serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde-diff` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "72829f065f281c72a3ad7d9332710c4a59012e213158b949afae573aa0d0db3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72829f065f281c72a3ad7d9332710c4a59012e213158b949afae573aa0d0db3b", kill_on_drop: false }`
[INFO] [stdout] 72829f065f281c72a3ad7d9332710c4a59012e213158b949afae573aa0d0db3b