[INFO] fetching crate serdeio 0.4.1...
[INFO] building serdeio-0.4.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate serdeio 0.4.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate serdeio 0.4.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate serdeio 0.4.1
[INFO] tweaked toml for crates.io crate serdeio 0.4.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serdeio 0.4.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serdeio 0.4.1 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e532587b7122ae9ec8f9fdf20a49dc8736505e8a4f7af41f6d2bc3773d4a7a0
[INFO] running `Command { std: "docker" "start" "-a" "4e532587b7122ae9ec8f9fdf20a49dc8736505e8a4f7af41f6d2bc3773d4a7a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e532587b7122ae9ec8f9fdf20a49dc8736505e8a4f7af41f6d2bc3773d4a7a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e532587b7122ae9ec8f9fdf20a49dc8736505e8a4f7af41f6d2bc3773d4a7a0", kill_on_drop: false }`
[INFO] [stdout] 4e532587b7122ae9ec8f9fdf20a49dc8736505e8a4f7af41f6d2bc3773d4a7a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcb688284c0227a5cc670d778a5950da232622dc272c03275975d0e4b77d50d7
[INFO] running `Command { std: "docker" "start" "-a" "bcb688284c0227a5cc670d778a5950da232622dc272c03275975d0e4b77d50d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling serdeio v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.46s
[INFO] running `Command { std: "docker" "inspect" "bcb688284c0227a5cc670d778a5950da232622dc272c03275975d0e4b77d50d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcb688284c0227a5cc670d778a5950da232622dc272c03275975d0e4b77d50d7", kill_on_drop: false }`
[INFO] [stdout] bcb688284c0227a5cc670d778a5950da232622dc272c03275975d0e4b77d50d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f2a256f9c85f04f1179c25dddce59472e1cf32a4b0248ec0de49ba8c59ed03f
[INFO] running `Command { std: "docker" "start" "-a" "2f2a256f9c85f04f1179c25dddce59472e1cf32a4b0248ec0de49ba8c59ed03f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serdeio v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "2f2a256f9c85f04f1179c25dddce59472e1cf32a4b0248ec0de49ba8c59ed03f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f2a256f9c85f04f1179c25dddce59472e1cf32a4b0248ec0de49ba8c59ed03f", kill_on_drop: false }`
[INFO] [stdout] 2f2a256f9c85f04f1179c25dddce59472e1cf32a4b0248ec0de49ba8c59ed03f