[INFO] fetching crate serde_derive 1.0.217...
[INFO] building serde_derive-1.0.217 against master#f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9 for pr-137044
[INFO] extracting crate serde_derive 1.0.217 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate serde_derive 1.0.217 on toolchain f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_derive 1.0.217
[INFO] finished tweaking crates.io crate serde_derive 1.0.217
[INFO] tweaked toml for crates.io crate serde_derive 1.0.217 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate serde_derive 1.0.217 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" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d30e4be91ec50cd1cb389e884be1de97ad235e262de808480c645e654c3e5700
[INFO] running `Command { std: "docker" "start" "-a" "d30e4be91ec50cd1cb389e884be1de97ad235e262de808480c645e654c3e5700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d30e4be91ec50cd1cb389e884be1de97ad235e262de808480c645e654c3e5700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d30e4be91ec50cd1cb389e884be1de97ad235e262de808480c645e654c3e5700", kill_on_drop: false }`
[INFO] [stdout] d30e4be91ec50cd1cb389e884be1de97ad235e262de808480c645e654c3e5700
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 402332bc643d698a782e58c30c0f7b0371e0f83d99127a8bcb5603abdd72e392
[INFO] running `Command { std: "docker" "start" "-a" "402332bc643d698a782e58c30c0f7b0371e0f83d99127a8bcb5603abdd72e392", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.92
[INFO] [stderr]    Compiling serde_derive v1.0.217 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.78s
[INFO] running `Command { std: "docker" "inspect" "402332bc643d698a782e58c30c0f7b0371e0f83d99127a8bcb5603abdd72e392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "402332bc643d698a782e58c30c0f7b0371e0f83d99127a8bcb5603abdd72e392", kill_on_drop: false }`
[INFO] [stdout] 402332bc643d698a782e58c30c0f7b0371e0f83d99127a8bcb5603abdd72e392
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d77f1c8aba91bc306b963f44229eb04f434f641bdf2713b4afaf733fb684b54d
[INFO] running `Command { std: "docker" "start" "-a" "d77f1c8aba91bc306b963f44229eb04f434f641bdf2713b4afaf733fb684b54d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]    Compiling serde_derive v1.0.217 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.92s
[INFO] running `Command { std: "docker" "inspect" "d77f1c8aba91bc306b963f44229eb04f434f641bdf2713b4afaf733fb684b54d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d77f1c8aba91bc306b963f44229eb04f434f641bdf2713b4afaf733fb684b54d", kill_on_drop: false }`
[INFO] [stdout] d77f1c8aba91bc306b963f44229eb04f434f641bdf2713b4afaf733fb684b54d