[INFO] fetching crate serde_builder 0.2.0...
[INFO] testing serde_builder-0.2.0 against try#8da20828b6ea601dfd8e2448cb50ace88876bd78 for pr-150933
[INFO] extracting crate serde_builder 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate serde_builder 0.2.0
[INFO] finished tweaking crates.io crate serde_builder 0.2.0
[INFO] tweaked toml for crates.io crate serde_builder 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_builder 0.2.0 on toolchain 8da20828b6ea601dfd8e2448cb50ace88876bd78
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serde_builder 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc1888b72ff457c84bd8943a7710e32dae0cc9cfe30d61c3d78d3b8a95959c54
[INFO] running `Command { std: "docker" "start" "-a" "fc1888b72ff457c84bd8943a7710e32dae0cc9cfe30d61c3d78d3b8a95959c54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc1888b72ff457c84bd8943a7710e32dae0cc9cfe30d61c3d78d3b8a95959c54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc1888b72ff457c84bd8943a7710e32dae0cc9cfe30d61c3d78d3b8a95959c54", kill_on_drop: false }`
[INFO] [stdout] fc1888b72ff457c84bd8943a7710e32dae0cc9cfe30d61c3d78d3b8a95959c54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f625bff9e1ffc11f4a5429b27f5b2efd539a5a61edc869bdb5de8fc62af69b0
[INFO] running `Command { std: "docker" "start" "-a" "6f625bff9e1ffc11f4a5429b27f5b2efd539a5a61edc869bdb5de8fc62af69b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]    Compiling thiserror v1.0.43
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]    Compiling thiserror-impl v1.0.43
[INFO] [stderr]    Compiling concat-arrays v0.1.2
[INFO] [stderr]    Compiling serde_builder v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.90s
[INFO] running `Command { std: "docker" "inspect" "6f625bff9e1ffc11f4a5429b27f5b2efd539a5a61edc869bdb5de8fc62af69b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f625bff9e1ffc11f4a5429b27f5b2efd539a5a61edc869bdb5de8fc62af69b0", kill_on_drop: false }`
[INFO] [stdout] 6f625bff9e1ffc11f4a5429b27f5b2efd539a5a61edc869bdb5de8fc62af69b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ef45d0d17138aeea03a1df6e418394836a84f67091af668fe05456856401c70
[INFO] running `Command { std: "docker" "start" "-a" "5ef45d0d17138aeea03a1df6e418394836a84f67091af668fe05456856401c70", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/b307e4cd9f7f44cab2cc4d6bce820f82ccff7bb586c399e50de87766b1185ba4/merged: no space left on device
[INFO] running `Command { std: "docker" "inspect" "5ef45d0d17138aeea03a1df6e418394836a84f67091af668fe05456856401c70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ef45d0d17138aeea03a1df6e418394836a84f67091af668fe05456856401c70", kill_on_drop: false }`
[INFO] [stdout] 5ef45d0d17138aeea03a1df6e418394836a84f67091af668fe05456856401c70