[INFO] fetching crate serde_builder 0.2.0...
[INFO] building serde_builder-0.2.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate serde_builder 0.2.0 into /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_builder 0.2.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 288c1b3bc2b6c3da31469943fd76c16fe9c33c5d15f288b4972b1b7b0c8245a5
[INFO] running `Command { std: "docker" "start" "-a" "288c1b3bc2b6c3da31469943fd76c16fe9c33c5d15f288b4972b1b7b0c8245a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "288c1b3bc2b6c3da31469943fd76c16fe9c33c5d15f288b4972b1b7b0c8245a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "288c1b3bc2b6c3da31469943fd76c16fe9c33c5d15f288b4972b1b7b0c8245a5", kill_on_drop: false }`
[INFO] [stdout] 288c1b3bc2b6c3da31469943fd76c16fe9c33c5d15f288b4972b1b7b0c8245a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cce06f8370a3d4f4012d78d9d7b251ec6ae0b4424cd930f8a30ee62030e3d03a
[INFO] running `Command { std: "docker" "start" "-a" "cce06f8370a3d4f4012d78d9d7b251ec6ae0b4424cd930f8a30ee62030e3d03a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling thiserror v1.0.43
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]    Compiling syn v1.0.109
[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 13.20s
[INFO] running `Command { std: "docker" "inspect" "cce06f8370a3d4f4012d78d9d7b251ec6ae0b4424cd930f8a30ee62030e3d03a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cce06f8370a3d4f4012d78d9d7b251ec6ae0b4424cd930f8a30ee62030e3d03a", kill_on_drop: false }`
[INFO] [stdout] cce06f8370a3d4f4012d78d9d7b251ec6ae0b4424cd930f8a30ee62030e3d03a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 999b5693b0bff28266def12fc3fa4771af8ddad28259daf9c3bc83d73a368707
[INFO] running `Command { std: "docker" "start" "-a" "999b5693b0bff28266def12fc3fa4771af8ddad28259daf9c3bc83d73a368707", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.100
[INFO] [stderr]    Compiling ryu v1.0.14
[INFO] [stderr]    Compiling itoa v1.0.8
[INFO] [stderr]    Compiling serde_builder v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.53s
[INFO] running `Command { std: "docker" "inspect" "999b5693b0bff28266def12fc3fa4771af8ddad28259daf9c3bc83d73a368707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "999b5693b0bff28266def12fc3fa4771af8ddad28259daf9c3bc83d73a368707", kill_on_drop: false }`
[INFO] [stdout] 999b5693b0bff28266def12fc3fa4771af8ddad28259daf9c3bc83d73a368707